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Sven-Oliver Borchert - Entwicklung, Beobachtung und Steuerung integrierter, quasi-kontinuierlicher pharmazeutischer Produktionsprozesse mit Methoden der Multivariaten Datenverarbeitung

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Sven-Oliver Borchert

Entwicklung, Beobachtung und Steuerung integrierter, quasi-kontinuierlicher pharmazeutischer Produktionsprozesse mit Methoden der Multivariaten Datenverarbeitung

Series: Biotechnik/Medizintechnik

Volume 292 2016

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Implementierung von Vorgaben des Quality by Design S. 34-56

„… 34 Implementierung von Vorgaben des Quality by Design 5. Implementierung von Vorgaben des …” „… Quality by Design 5.1 Zielsetzungen von QbD in der Bioprozessentwicklung Der in Kapitel 4 entwickelte …” „… der FDA, nach Vorgaben eines Quality by Design, entsprechen. Hierzu sind die von der ICH festgelegten …”

Literaturverzeichnis S. 148-160

„… funding priorities in the pharmaceutical sciences allied to Quality by Design (QbD) and Process Analytical …” „… . Quality by Design and the Importance of PAT in QbD. Sep. Sci. Technol., 10, 195–224. Borchert, S.-O …” „… ., 2009. Quality by design for biopharmaceuticals. Nat. Biotechnol., 27, 26–34. Reifsnyder, D.H …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… – Quality by Design – Quasi-kontinuierliche Prozessstrategie Die vorliegende Arbeit befasst sich mit …” „… . Implementierung von Vorgaben des Quality by Design .......................................... 34 5.1 …” „… Randbedingungen eines QbD – Quality by Design zu erfüllen. Im Bereich der Integrierten Herstellung rekombinanter …”

Zusammenfassung und Ausblick S. 141-142

„… Randbedingungen eines QbD – Quality by Design zu erfüllen. Im Bereich der Integrierten Herstellung rekombinanter …” „… Quality Attributes und ihrer zugeordneten Operationsparameter wurden, über die Anwendung von DoE – Design …” „… Algorithmus IBR – Imputation by Regression wurden Methoden zur Prozessprädiktion implementiert und mit einem …”

Einleitung und Zielsetzung S. 1-4

„… einen Quality by Design (QbD) Ansatz, bei dem die Qualität nicht erst nach Beendigung eines …” „… Initiative lautet: Quality cannot be tested into products; it should be built-in or should be by design [FDA …” „… Development, Manufacturing, and Quality Assurance [FDA, 2004b] veröffentlicht. Beide Dokumente beschreiben …”

doi.org/10.51202/9783186292179

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

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D. Zorko, N. Vukašinović, B. Černe The effect of gear manufacturing quality on the mechanical and thermal state of a plastic gear S. 1319-1332

„… the gear quality from Q12 to Q11 or even Q10 can be achieved by a proper tool design and corrective …” „… integrated plastic gear design optimization considering all possible failure modes was presented by Tav ar et …” „… in their design, when employing this manufacturing technology. Gear quality and gear assembly errors …”

H. Yakaria Securing the Quality Chain by the Networking with the Gear Suppliers S. 1617-1630

„… Securing the Quality Chain by the Networking with the Gear Suppliers Dr.-Ing. Herman Yakaria, ZF …” „… company or from external suppliers. Fig. 1: Quality Securing by the Standardization One of the important …” „… facilitates improved comparison of the quality produced by various sources, ensuring consistency and accuracy …”

A. Yavuz Kanyilmaz, B. Karba, M. VARDAR Classifying plastic beveloid gear quality considering manufacturing errors S. 1159-1172

„… ratio performance values in the gears determined by the designer. Quality classification is carried out …” „… transmitting power and motion and the designer must determine a quality range for the gear so that the system …” „… study was to perform quality classification and find uncertainty caused by manufacturing and geometry …”

N. Missal, S. Schwertel, M. Ludwig The next level of axial forming for a sustainable component and process chain design S. 1765-1776

„… , sustainability, accuracy, and productivity. By utilizing material and applying a lightweight structural design …” „… between the new stiffened machine concepts and gear quality by the production of helical gears on vertical …” „… space requirement. In this design, the driven tool carrier has been extended by a second servo motor in …”

U. Kissling Impact of manufacturing deviations on the NVH behavior of modern gear design concepts S. 367-382

„… within the given tolerances will have the gear behavior intended by the designer. Naturally, the designer …” „… . Conclusion for industrial gearbox design: Manufacturing deviations up to quality 6 have little/acceptable …” „… Gears produced by injection molding can normally attain only quality 10 (ISO 1328), possibly 9. So, the …”

N. Fujimura Application-oriented research on internal generating polishing S. 1863-1876

„… requirements of mass production. This high productivity is achieved by a unique grinding wheel design matched …” „… main purposes. (1) Improvement of durability by decreasing the risk of micro cracks growing on …” „… level. This paper describes the influence of the polishing process on the surface quality of internal …”

W. Smet Gear geometry, size and material influences not captured in ISO 6336 S. 1267-1272

„… other documents in the ISO 6336 series, it provides a method by which different gear designs can be …” „… quality of the material as determined by the extent and effectiveness of forging, on the presence of …” „… in alignment with ISO 6336 requirements concerning material quality, allowable stress numbers, heat …”

M. Vivet, A. Rezayat, J. Verhoogen, K. Kucukcoskun, S. Donders Numerical analysis of bevel gear transmission acoustic emission using a 3D gear contact force model within a multibody system dynamics simulation environment S. 689-702

„… are designed to import and simulate a bevel gear set by starting from the typical bevel gear tooth …” „… and presented for three spiral bevel gear variants; two that have a normal gear blank design and one …” „… run-up configurations and analyzed. The resulting gearbox housing vibrations, computed by the multibody …”

B. Karba, N. Yildirim Backlash optimization via compatible gear couples on the assembly lines for planetary gearboxes S. 1147-1158

„… . By evaluating quality reports of manufactured gears, we were able to predict operating backlash …” „… manufacturing values by quality control staff. At this level, databases only contain span & over two balls tooth …” „… transmission field, mechanical design, and controlling field have been focused to backlash by investigating its …”

J. Cathelin Plastic Gears: Investigation on Noise and NVH Behavior S. 1449-1460

„… error amplitude are the gear design and quality classification. A higher geometrical quality will lead …” „… automotive drive train, autonomous driving and lightweight design are the main tendence in the automotive …” „… will give an overview of the links between acoustic excitations, gear design and material selection. 1 …”

J. Lohmiller, F. Dobler, M. Wöppermann Investigating different nodular graphite irons for the application of gears – a step towards standardization by using reasonable quality criteria S. 1731-1748

„… standardization by using reasonable quality criteria Dr.-Ing. Jochen Lohmiller, Dr.-Ing. Florian Dobler, Dr.-Ing …” „… standardization by using reasonable quality criteria.1. Introduction The call for an improved standardization of …” „… , allowing a differentiation between the quality grades ML, MQ, and ME by means of microstructural properties …”

A. Hilligardt, V. Schulze Gear Skiving with Minimum Twist Errors S. 1749-1764

„… gearing of such quality in finishing. Gear skiving is characterized by high productivity and flexibility …” „… correlation between the contact line and design variables of the process and tool was done. By correlating the …” „… process and tool design strategies for minimizing the twist are elaborated and finally, an adaptive …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… , M. Wöppermann, B. Zeeb, SEW-EURODRIVE GmbH & Co. KG, Bruchsal, GermanySecuring the Quality Chain by …” „… the application of gears – a step towards standardization by using reasonable quality criteria 1731J …” „… DesignThe VDI SOCIETY PRODUCT AND PROCESS DESIGN (VDI-GPP) and its technical divisions provide all sectors …”

A. Wallinger, R. Vonderschmidt, S. Vonderschmidt Lubricant Free Transmissions for the food industry – A Comparison S. 715-726

„… , stainless steel drives in hygienic design have become more popular in high-quality plants than earlier …” „… than high-quality helical planetary gears [2]. Fig. 7: Design and flux density of the magnetic …” „… of PEEK, the gear unit can be designed without lubricants. The following table shows the design …”

M. Brumm, D. Sari Complete machining of complex transmission parts S. 1581-1590

„… offset by considerable process and project risks, which will be discussed in this presentation. For …” „… increases. Compromises VDI-Berichte Nr. 2422, 2023 1581must be made in the design of the universal machine …” „… required. Cycle time is up to 30 minutes. Repeating lots (series production) Gearings and other design …”

L. Klee, T. Bergs, M. Solf, J. Brimmers Binder Jetting in Gears – Process Design and Tooth Bending Strength for Gears made of 17-4PH S. 1665-1680

„… integration of secondary design elements. These advantages are VDI-Berichte Nr. 2422, 2023 1665accompanied by …” „… Binder Jetting in Gears Process Design and Tooth Bending Strength for Gears made of 17-4PH Lukas …” „… different local density distribution in the component and the potential integration of secondary design …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… load carrying capacity could be designed. The geometry of the test gear itself, specified by the …” „… manufacture different profile shifts. Contradictory to the simplicity of manufacturing, the design of a …” „… of valid durability calculations according to a standard, like the ISO 6336 series, the design of …”

J.-A. Meis Parametric system simulation of load sharing in planetary gearboxes S. 269-280

„… priority in the design of planetary gearboxes to ensure high torque density at lowest possible cost …” „… late to make VDI-Berichte Nr. 2422, 2023 269fundamental changes in the gearbox design. Simulations to …” „… design status. Current standards and guidelines for gear and gearbox design like AGMA, IEC or ISO only …”

L. Becker, P. Tenberge Crossed helical gears – simulative studies and experimental results on non-involute geometries S. 1499-1514

„… design parameters and demonstrate the effects on operating behavior, with those a design recommendation …” „… virtual counterpart rack is defined, whose flank contour is described by a fourth-order polynomial with …” „… end by an S-bend modification and using q4, further free-form geometries are possible. The algorithm …”

F. Concli, M. N. Mastrone Latest advancements in the lubrication simulations of geared systems: a technology ready for industrial applications S. 499-518

„… (typically 10 to 20 - but specific procedures based on mesh quality and design parameters can be implemented …” „… , ItalyAbstractEnergy efficiency represents an important aspect of mechanical design. Despite their long history, gears …” „… manufacturers to increase the investments to achieve more efficient designs leading to energy saving, reduction …”

G. Devaraj Vibration reduction of planetary gear drive using mesh phasing: modelling and experimental validation S. 157-174

„… same/better performance of the product with lower costs i.e. design-to-cost. Having a validated model, or at …” „… and Planet-Ring meshes and maximizing the overall NVH performance of electric drive units by virtual …” „… concept design several layouts are discussed for EDU application and from the tradeoff planetary has been …”

C. van Oss, A. Hilbig, H. Sardemann, S. Schumann, B. Schlecht Opportunities arising from digital twins in gear development S. 1027-1038

„… Machine Design, IPF - Institute of Photogrammetry and Remote Sensing Technische Universität Dresden …” „… werden. Abstract In gear development and research, application oriented quality control and simulation …” „… VALidation Tool), a program developed by the FVA (Forschungsvereinigung Antriebstechnik), which enables the …”

L. Binanzer, L. Merkle, M. Dazer, A. Nicola Pitting Detection for Prognostics and Health Management in Gearbox Applications S. 97-108

„… , speed and vibration sensors. The experiments are statistically designed by means of Design of …” „… designed identically. Both electric motors are connected to a torque measuring shaft by a coupling. The …” „… Theorie von Design of Experiments (DOE) folgend statistisch ausgelegt. Dabei werden die Faktoren …”

C. Westphal, J. Brimmers, C. Brecher Influence of Axis Misalignments in Stepped Planetary Gear Stages on the Excitation Behavior – Test Rig Development and Simulative Analysis S. 175-190

„… , RWTH Aachen University, Germany Abstract One challenge in the design of automotive gearboxes is the …” „… flank pressures and an increase in the total transmission error. Acknowledgement Funded by the Deutsche …” „… Forschungsgemeinschaft (DFG, German Research Foundation) – 501245855 and supported by the WZL Gear Research Circle …”

S. Chen, C. Liu, D. Qin Forward Performance-driven Design of Gear Parameters S. 211-226

„… design objectives are normalized to establish an overall objective function by a linear weighting method …” „… algorithm, the design of gear parameters is driven by high comprehensive performance of gears. 2.Precise …” „… constructed by contact stress and bending stress as the design index of load capacity, as shown in Eq. (9 …”

N. De Bie, W. Smet, T. Van Der Kamp Assessing gear mesh misalignment in a parallel gear set by transmission error measurements S. 291-300

„… accurately by pulse signals from high quality shaft encoders or by accelerometers installed on the input and …” „… Assessing gear mesh misalignment in a parallel gear set by transmission error measurements M. Sc …” „… accurately be measured by shaft encoders or by accelerometers installed on the input and output shaft of a …”

C. Kunik, J. Kunert Wetting and oil flow analysis of planetary gearboxes using oil flow simulations S. 467-484

„… first step, the quality of CFD simulations using the SPH method is analyzed by comparing the oil flow …” „… gear units, which are characterized in particular by their compact design and their high torque density …” „… Kunik, Dr.-Ing. Jens Kunert, SEW-Eurodrive GmbH & Co KG, Bruchsal Abstract The quality and reliability …”

A. Beinstingel, F. Haringer, W. Sigmund, M. Heider, B. Pinnekamp, S. Marburg Investigation of Sound and Vibration Behavior of Cylindrical Gears S. 599-618

„… application is optimized by various design alternatives. A combination of both approaches is a recommendable …” „… when electric motors are used for propulsion and thus masking by an internal combustion engine or a …” „… aspect to a successful gear design. Since the main noise originates from the characteristic power …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot …” „… electromobility requirements for gears in terms of materials and product design. iSLS manufacturing allows for …” „… mechanical strength. Shot peening appears as a potential solution to densify surfaces by inducing localized …”

M. Werner, S. Graf, M. Oehler, O. Koch Investigation of the electrical behavior of a spur gear stage pair by means of impedance measurements S. 67-80

„… Investigation of the electrical behavior of a spur gear stage pair by means of impedance …” „… mechanical components are transformed into electrical equivalent systems and described by means of their …” „… hydrogen drives by means of a fuel cell, electric and hybrid drive systems play a decisive role in the …”

D. Gallagher, E. Wiita, R. Weidig Improved Method for Validation of Root Stress in Polymer Gears S. 1333-1350

„… . Notable works on the effect of stress concentration at the root fillet were carried out by Dolan …” „… . Polymer gears are typically characterised by low production cost, light weight and quiet operation; but …” „… standards for design verification, culminating with the release of VDI 2736 in 2014. Given the relatively …”

E. Virtanen, M. Kanerva, G. Szanti Fatigue testing of large sized bevel gears S. 897-906

„… topics included the effect of surface quality, verification of ATA advanced tooth contact design concept …” „… interfacing surface between the gear teeth and splines; for the later designs, this would be replaced by a …” „… nominal contact stress calculations. Finally, scuffing at high loads was solved by changing gear design …”

T. Kleiber, B. Neubauer Advancing to The Next Level – Cost Efficient Roll-Inspection: Back from End-of-Line NVH to Skiving Process S. 1591-1606

„… engine noise increased the necessity of high-quality gears. Restrictive design space, in all applications …” „… cost-effective method to inspect and monitor the quality of the external and internal gears. The typical output …” „… process, several challenges must be overcome to obtain proper gear quality and for an excellent …”

J. Zhang, B. Shaw, A. Hammer, I. Sewell Effects of Surface Engineering on the Efficiency of Involute Helical Gears – An Experimental Investigation S. 995-1016

„… value to the design of in-wheel drive systems that are used by electric vehicles where space is limited …” „… Investigation Dr. Jishan Zhang, Prof. Brian Shaw, Andy Hammer, Ian Sewell, Design Unit, School of Engineering …” „… studied when gears used were surface finished by different methods such as grinding, ISF (isotropic …”

J. König, M. Obermayr, T. Klein Digitalization of the Gear Development Process – Chances, Benefits and Risks S. 1017-1026

„… as the handling of the data model, are provided by a specialized software designer. Furthermore …” „… design and setup. The ZF-developed plugin allows calculations according to our internal standards by …” „… asissted by digital tools which support the engineers in solving various R&D tasks. Initially, engineers …”

L. Braumann, H. Amri, V. S. Viteri, J. Ochoa LUBGEAR – Experimental Campaign for Aviation Gears in Loss-of- Lubrication S. 1063-1070

„… industry are required to withstand off-design conditions such as loss of lubrication (LOL) for a specified …” „… amount of time during the certification process. While current design solutions such as auxiliary oil …” „… under LOL requires special experimental methods and test article designs. Benefits of testing strategies …”

J. Gründer, A. Monz Analytical Method for Calculating the Nominal Tooth Root Stress in Worm Gear Shafts S. 1091-1110

„… , A. H.: Worm Gearing Design Improvement by Considering Varying Mesh Stiffness. International Journal …” „… of research in the last decades is to optimize the load capacity on the worm wheel by using …” „… ° and are characterized by large gear ratios in one gear stage, high transmissible torques and …”

W. Wagner, S. Schumann, B. Schlecht The relevance of pinion deflection and twisting for loaded tooth contact analysis of high reduction hypoid gears S. 829-838

„… Gear Calculation) [5]. This is being developed by the Institute of Machine Elements and Machine Design …” „… also be used. To improve the element quality, the sharp edge can be reduced by cutting it away or by …” „… article, is a program of the FVA. It is developed by the Institute of Machine Elements and Machine Design …”

M. Fürst, S. Sepp, D. Schweigert, M. Otto, K. Stahl Experimental Investigation of Moving Contact Pattern in Helical Planetary Gearboxes S. 569-582

„… Stahl,School of Engineering and Design, Department of MechanicalEngineering, Gear Research Center (FZG …” „… Abstract Planetary gear sets combine the characteristics of high-power density and compact design which are …” „… and cost reduction, new challenges arise regarding a lightweight design. An accurate prediction of the …”

F. Eigner, S. Oberle, M. Berger A non-restrictive approach of gear geometry calculation for plastic gears S. 1469-1482

„… search for product improvement always leads to new ideas in product design. Often, a solution is found …” „… kinematic design, which describe the outer shape of the gear. This calculation basis unfolds the most …” „… potential in connection with the freedom that manufacturing with plastic e.g., by injection moulding allows …”

J.-H. Park, B.-S. Kim, D. Im, D.-J. Moon, J.-H. Kim, Y.-J. Park Development of Damage-based Accelerated Life Test Code for Gearbox using Genetic Algorithm S. 329-340

„… reasonable time by using the NSGA-III optimization accelerated life test code design method. VDI-Berichte Nr …” „… of test conditions were set, and an accelerated life test method was designed by selecting test …” „… , bearing designation and duty cycle The gearbox used for the accelerated life test design using equivalent …”

L. Bonaiti, M. Brambilla, P. Chiariotti, A. Cigada, C. Gorla, G. Boni, P. Codeluppi The effect of pinion axial positioning on noise and transmission error of face hobbed and face milled bevel gears S. 839-852

„… series as shown in Fig. 1 and Fig. 2. The casing has been designed by the constructor to get a simple and …” „… Abstract It is undeniable that, aided by the increasing electrification of machines, the gear community is …” „… undeniable fact that the gear (and gearboxes) noise is a complex phenomenon that is influenced by many …”

F. Mieth, D. Tazir Local load capacity analysis for the design of a balanced flank modification for cylindrical gears according to bevel gear procedures S. 927-944

„… Local load capacity analysis for the design of a balanced flank modification for cylindrical gears …” „… , FVA-GmbH, Frankfurt, Germany Abstract In order to be able to carry out an optimal gear design with the aim …” „… 10300 [2] for bevel gears, are widely used and established in the design and evaluation of gears. In …”

W. Ramdane, C. Changenet, S. S. Ouali, C. Chevrel-Fraux, P. Casanova Thermal model of a planetary gear set using an isothermal approach S. 451-466

„… designer able to have a wide range of potential results for different operating conditions, and then only …” „… losses, generated by sealing friction, bearing hydrodynamic losses and gear churning. Those power losses …” „… ; (ii) The ground plate by using a polymer material; (iii) the input shaft by using a polymer connection …”

M. M. Klein Holistic Sustainability-Assessment of Gearboxes S. 815-828

„… , strategic business decisions not only have to follow the classical development goals costs, time and quality …” „… business sectors to reduce GHG-emissions by avoiding the waste of resources like energy and material …” „… impact by their distances as well as the chosen means of transportation. VDI-Berichte Nr. 2422, 2023816 …”

B. van Wissen, L. Pastukhov, F. Mitsuzuka, K. Iwanaga, A. Hasanovic NVH performance of thermoplastic gears: modelling and measuring S. 1389-1402

„… Performance Material Solutions, using material science, application know-how and design expertise …” „… , VDI-Berichte Nr. 2422, 2023 1389dedicated to sustainability enabling future proof designs for everybody. As one …” „… gear noise roughly into two sections as shown in Figure 2. Rattle – Sound created by the impact on …”

S. Matkovič, D. Šeruga, M. Nagode, M. Kalin Prediction of tooth root fatigue failure of polymer gears for dry and oil lubricated contact and its comparison to experimentally obtained results S. 1301-1318

„… available. Nevertheless, the gear design with these materials is challenging due to the lack of specific …” „… lifetime curves and detailed tribological behaviour. Therefore, for trustworthy design of the polymer gears …” „… more commonly used in the product design process, not only for basic static stimulation but also for …”

M. Rothemund, M. Otto, K. Stahl Applicability of classic analytical calculation approaches for the design of plastic gears S. 1483-1498

„… . Conclusion The design of plastic gears for transmissions for higher power levels can only be achieved by …” „… Applicability of classic analytical calculation approaches for the design of plastic gears M …” „… volume but mainly for applications under low load. Current trends are leading to the design and …”

I. Hong, D. Talbot Tooth Bending Strain Rate Analysis in a Counter Shaft Drivetrain and Implications on Fatigue Strength S. 53-66

„… which is driven by strain rate dependent plasticity behaviors. This study combs through current …” „… rate effects to be worth consideration in gear design (i) the material must be sensitive to strain rate …” „… test results between ultrasonic and convention testing was done by Mayer [2] and a 2021 review done by …”

H. Jia, D. Qin, G. Hu, X. Xu, W. Bai Electromechanical Coupling Modeling and Torsional Vibration Analysis of Helicopter Electric Propulsion System S. 675-688

„… integration design and miniaturization of the EPS. Based on the proposed electromechanical coupling model, the …” „… ) the torsional vibration of the EPS can be reduced by changing the PMSM control methods and control …” „… helicopter, causing adverse effects on flight quality and safety[1-2]. Therefore, how to calculate and …”

G. Guimarães, L. Robatto, R. Rego, A. Faria, A. Borille, J. Mascheroni Surface integrity of 20MnCr5 pinion gears manufactured through laser powder bed fusion S. 1845-1858

„… electromobility impose new demands on the gear Industry in terms of materials, design and manufacturing. In this …” „… technologies in additive manufacturing (AM), allowing the designer to think beyond traditional constraints. On …” „… engineers with greater design flexibility and reduced tooling requirements. This opens up new possibilities …”

A. Carvalho, R. Rego, N. Fukumasu, D. Tamayo, F. Nascimento, I. Machado PVD Deposition of Nb-MoS2 Coatings on Gear Carburized Steel S. 1071-1082

„… , which can potentially be addressed by coatings technology. Doping MoS2 coatings with transition metals …” „… research will be the replacement of Ti as dopant element by Nb, which presents similar physical properties …” „… , also influenced by the substrate surface integrity. Moreover, VDI-Berichte Nr. 2422, 2023 1071the …”

J. Lövenich, M. Zalfen, D. Mevissen, J. Brimmers, C. Brecher Crack growth based tooth root life prediction model – an influence quantity analysis S. 109-124

„… turbo gearbox applications is the high number of load cycles reached by the gearbox components …” „… . Standards such as ISO 6336 deliver design guidelines for bending strength up to a limiting number of NG = 3 …” „… applications. To design gears for geared turbofans safely and weight-optimized, the tooth root load capacity in …”

A. Donmez, A. Kahraman Experimental Investigation of Influence of Indexing Errors on Gear Rattling S. 703-714

„… tooth surfaces followed by impacts, in the process causing excessive noise issues coined as gear rattle …” „… rattling of single- and double-mesh gear trains are investigated experimentally by using a recently …” „… arrangements, respectively. Two (or three) test gears of identical baseline designs with various tooth indexing …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… due to hardening distortions, the tool is designed in a force-controlled way by using disc springs …” „… loads. This requirement can be satisfied by mechanically imprinting compressive residual stresses which …” „… trajectory and process parameters was developed for process and tool design. Subsequently, the tool system …”

L. Bonaiti, M. Monti, C. Gorla, M. Geitner, T. Tobie, K. Stahl The consequences of different methodologies for the elaboration of pulsator test results with respect to the load spectrum assessment of gears S. 33-52

„… – by means of the simplified double slope curve proposed by Spindel and Haibach [20] (here designated …” „… results in a total failure of the transmission. Therefore, a crucial design aspect is an accurate …” „… tests represent a simplified test method and are not performed by meshing gears. Therefore, their …”

P. E. Schnetzer, J. Pellkofer, K. Stahl Calculation method for wear of steel-bronze rolling-sliding contacts relating to worm gears S. 907-926

„… ), School of Engineering and Design, Technical University of Munich, Garching, Germany Symbols A mm Running …” „… high transmission ratios in one stage, a compact design, the ability to self-lock, and low-noise …” „… those used in worm gear drives. The analogy by means of two disks was already used by Weber and Niemann …”

T. König, L. Cadau, L. Steidle, M. Kley, D. Cansu Güney, J. Albrecht, K. Weber A concept for comparison of new and aged lubricants in transmissions of electric vehicles and a method of oil aging on a test rig S. 1195-1206

„… instance, the typical map of an electric machine requires different transmission designs. [2, 3] In …” „… aging condition and quality. In advance of this work a rheometer and a tribometer are already used to …” „… friction deteriorate. [6] In a paper by Weber et al., the rheological and tribological properties of …”

U. Cihak-Bayr, T. Wopelka, C. Wintersteiger Effect of LOL conditions under high velocity and high injection temperatures S. 763-778

„… . Abstract Increasing demands on gear components such as high-pressure and high speeds are aggravated by …” „… to 30 m/s. The experimental campaign was complemented by a EHL simulation model, which can also …” „… disc as well as that of a circumferentially version rotated by 90 ° and that of a superfinished …”

A. Drechsel, J. Pellkofer, K. Stahl Transferability of the scuffing load capacity of gear oils determined on spur gears to hypoid gears S. 881-896

„… Classification of hypoid oils by use of a newly developed scuffing test method Alexander Drechsel, Dr.-Ing. Josef …” „… , School of Engineering and Design, Garching, Germany 1 Zusammenfassung Die Fresstragfähigkeit ist ein …” „… Veröffentlichung bewertet. 2 Abstract The scuffing load carrying capacity is a decisive design criterion in the …”

doi.org/10.51202/9783181024225

VDI - Rethinking the circular economy for plastics

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VDI (ed.)

Rethinking the circular economy for plastics

Series: Blaue Papiere

Volume 05/2023 2023

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Field of Action 2 Making closing the loop the task of all stakeholders S. 14-34

„… design:Product design, which is primarily conceived by manufacturers, also plays an overriding and significant …” „… environmental challenges.The use of high-quality recycled raw materials produced by mechanical means is …” „… ., by reducing investments, or that the importance of product design (design for recycling) could be …”

Field of Action 3 Creating regulatory incentives for a circular plastics economy S. 35-52

„… market, there is neither the supply of required high-quality recyclates by recyclers nor the demand for …” „… product design of OEMs/users, because the higher the quality and safety requirements of a product, the …” „… quality campaign on the part of recyclers and producers High motivation for circular product design …”

Glossary S. 62-65

„… closed cycles and avoids or recycles waste by design- ing materials, products, systems and business …” „… climate and environmental im-pact is minimal. Design for circularity: Design for circularity is a holistic …” „… design ap-proach that aims to design products in such a way that they can be recycled. Materials and …”

Recommended actions S. 57-59

„… conception and design of end products. High-quality recycla-bility also depends on product design and the …” „… emissions.Designing products consistently for the cycle through a holistic design approachThe path to a circular …” „… aspiration of bringing plastics into a circular economy can hardly be fulfilled by individual actors or …”

Introduction S. 1-7

„… characterised by high quality, reliability and innovative strength and the associated companies in the value …” „… and packaging design. However, awareness of the problem has not yet been matched by adequate progress …” „… high longevity. Although these technological limits can be overcome by changes in product design …”

Titelei/Inhaltsverzeichnis S. I-VI

„… white paper by the Round Table. The quality of the paper was further im-proved thanks to feedback from …” „… circular economy New holistic design approach needed 54 Increasing the effectiveness of design for …” „… circularity 55 Conclusions for the design for circularity 56Recommended actions 57List of sources 60 …”

organising the plastics industry for a circular economy S. 8-13

„… . It replaces the end-of-life concept with closed cycles and avoids or recycles waste by desig-ning …” „… approach, the recycling of waste is already taken into account during product creation (design for …” „… used and being greenhouse gas neutral by 2050 (cf. VCI 2020, p. 2).However, the path to a circular …”

doi.org/10.51202/9783949971402

VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

Results in this title

T. Kleiber DIN Q6 meets DIN Q10 – Need for modern internal gear production S. 415-424

„… lowering NVH level, but with increase of quality, also costs will go up. The trilemma must get broken by …” „… inspections. Gear quality inspection is in this case highly inspired by methods used for bearings. In some …” „… quality which directly will be highlighted to the quality inspector by FFT-analysis. On the left side …”

A. Pogačnik, U. Kissling Layout of profile modifications for symmetric and asymmetric plastic gears S. 1461-1472

„… effective also for lower manufacturing quality. The layout of profile modifications must be verified by a …” „… are annulated at lower quality by the manufacturing errors and have no or very small effect. So why …” „… 206000 Quality acc. DIN 3961 10 11 12 6 Tooth tip bending Ca (by LTCA), μm 101.5 101.5 101.5 9.1 …”

J. Brimmers, M. Willecke, C. Lopenhaus, C. Brecher Investigation of the potential of using surrogate models in the gear design process S. 727-740

„… parameter sets are defined by means of methods of Design of Experiment (DOE), e.g. full-factorial sampling …” „… space. Thus, the potential of surrogate models in the gear design process is also influenced by the DOE …” „… Investigation of the potential of using surrogate models in the gear design process Jens …”

T. Sturmlinger, A. Comak, A. Albers, S. Gerdhenrichs, R. H. Schmitt Methodical analysis and selection of auto identification systems in the gear box manufacturing S. 1509-1520

„… competitiveness by using auto-identification (Auto-ID) systems in its gear set production. The aim is to analyse …” „… manufacturing constrains and the properties of each technology by the state of the art. To identify the best …” „… to identify and evaluate interdependencies between the design of the current product generation and …”

P. Scholzen, C. Lopenhaus, C. Brecher, D. Billenstein, F. Rieg, G. Hammerl Investigation of the influence of elastic gear body structures on the operational behavior of gears S. 785-796

„… optimization in gear design. The power density of a gear can be increased by geometric gear body modifications …” „… gear body, lightweight construction can be achieved, for example, by designing cutouts. However, the …” „… and Approach The design of the gear body (GB) has a decisive influence on the meshing stiffness of …”

M. Zapf, J. Klose, F. Zanger, V. Schulze Analysis of process forces and surface topography when manufacturing case-hardened gears by double flanked hard skiving S. 1647-1658

„… quality achieved is only Q8 (evaluated by DIN3962). Some gears show a reeling or wobble over the …” „… Analysis of process forces and surface topography when manufacturing case-hardened gears by double …” „… and external gears to substitute gear grinding. Single flanked hard machining by skiving offers …”

A. D. Rauch, C. Wirth An easy-to-use and fast computational model for the prediction of the influence of manufacturing errors on gear transmission error S. 645-656

„… between meshing gears affected by TE is regarded as the main source of excitation for gear whine …” „… issues even though they lie within the requested tolerances. By several parametric studies we …” „… into how manufacturing errors may enrich the excitation spectrum, e.g., by dominant sidebands and …”

B. Schlecht, T. Schulze Improved tooth contact analysis by using virtual gear twins – How helpful is AI for finding best gear design? S. 203-216

„… depending deformations should be influenced by design arrangements in this way that they are reduced or …” „… well as outside. The quality of the results obtained in this way must be ensured by checking with the …” „… design modes is thus adequately transferable to neural networks by a sufficiently large amount of data …”

E. Lothman, L. Kamjou, E. Claesson Gear performance beyond current standards – Implementing increased material fatigue performance in gears S. 915-924

„… Abstract This paper deals with current possibilities to extend the load carrying capacity of gears by …” „… cleanliness. The bending fatigue resistance (tooth root bending) was increased by 45% and the contact fatigue …” „… resistance (surface pitting) was increased by 12% in this particular study according to the external …”

J.-A. Meis, F. Teklote, M. Borowski Simulation of the tooth root strength under consideration of material quality, finishing process and size effects S. 161-172

„… : ML, MQ and ME. These classes lead to different fatigue strength σFlim and are defined by quality …” „… Simulation of the tooth root strength under consideration of material quality, finishing process …” „… ] covers a wide range of influences by using factors derived from gear tests, which are usually performed …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… hypoid endurance Design and rating by means of loaded TCA of straight bevel differential gears …” „… VDI-Berichte 2355 VDI-Society for Product and Process Design International Conference on Gears …” „… unter www.dnb.de abrufbar. Bibliographic information published by the Deutsche Nationalbibliothek …”

G.-T. Weber New possibilities for dry hard finishing of internal gears S. 1659-1664

„… material as well as quenched and tempered material. Due to increased demand for geometrical quality and …” „… certain extent, the profile of the manufactured gear by modifications in process kinematics. A further …” „… demand for better gear quality in spur gears and annulus gears. Conventional process chains do not meet …”

J. Fechler, S. Oberle, M. Knopfle, V. Merz Improvement of the noise and vibration behavior of an electromechanical brake booster – An integral approach S. 1431-1442

„… demand by the assistance systems of the vehicle. VDI-Berichte Nr. 2355, 2019 1431 The …” „… are produced by injection molding. Fig. 1: iBooster Gen2 (Picture: Robert Bosch GmbH) Fig. 2 …” „… noise and vibration behaviour of a system is influenced by a lot of parameters and factors. An …”

M. Trubswetter, M. Otto, K. Stahl Evaluation of gear flank surface structure produced by skiving S. 1799-1812

„… process of the tooth flank on noise cannot be estimated by the gear tooth quality [31]. Kohn et al …” „… Evaluation of Gear Flank Surface Structure Produced by Skiving M. Trübswetter, M.Sc …” „… . However, the evaluation proves to be difficult. Gears produced by skiving have a particular surface …”

H. Baour, P. Falbriard Micro skiving – (r)evolution of a known production process S. 1619-1634

„… small module. Constraints related analysis will be made based on the time, cost and quality for each …” „… . Base principle Skiving is a machining process by chip removal allowing cutting by generation internal …” „… has several significant advantages compared to other methods: - Speed of the process - Quality of …”

A. Spatzig, N. Fujimura, T. Monden, T. Kikuchi, K. Yoshikawa, A. Georgoussis Machining process solutions to support the reduction of distortion in ring gears after heat treatment S. 1635-1646

„… option. Soft skiving and hard grinding can provide the best quality by competitive cost. Generating …” „… , the surface quality of the ring gear impacts the performance of the transmission. The right …” „… paper will outline a research study into Super Skiving, a process developed by Mitsubishi Heavy …”

B. Gierl, D. Drummer spur gears S. 1367-1378

„… increase the potential of polymer gears to a certain degree by changing the morphological structure of the …” „… design in design guides like VDI 2736 [3]. The treatment of friction and wear problems is from great …” „… , it is important for a successful design process to look at all possibilities for improving the …”

U. Kissling, U. Stolz, A. Turich Combining gear design with manufacturing process decisions S. 1533-1544

„… is provided by subcontractors. Additionally, gear transmission design continues to become more …” „… for a gear designer to find a suitable variant which can be manufactured by Power Skiving (Fig. 6 …” „… generated manufacturing twist can be determined by the gear design software (Fig. 9). The twist is …”

L. Stocco Complementary strengths of orbitless & planetary drives S. 1485-1496

„… Orbitless drive. A higher quality 32mm Orbitless prototype is evaluated in a multi-stage environment in …” „… quality is improved, and it is concluded that an Orbitless primary stage may be mated with conventional …” „… Planetary drive using sound measurements to corroborate the simulated results. In Section 4, a high quality …”

K. Lubke Virtual gauge for splined shaft-hub joints – Quality inspection and assembly of involute splines in the context of Industry 4.0 S. 1497-1508

„… 4156 define e.g. 30°, 37.5° or 45° [3,4,5,6]. Serration flanks are designed by non-parallel planes …” „… not real it is labeled virtual gauge. The virtual gauge of a spline is defined by the designed …” „… computer-aided gauging the virtual gauge is defined by the designed geometry: for the given example it is an …”

J. Lohmiller, J. Hoffmeister, J. Hermes Conventional high-strength nodular graphite iron as a substitute for austempered ductile iron (ADI) S. 877-892

„… nodular cast iron may be rendered adequate by improving the graphite quality and eliminating casting …” „… can be summarized as follows: The high-quality GJS is characterized by a very fine nodular graphite …” „… . The material was characterized by very fine nodular graphite. The material has been cast into …”

J. Hoffmeister, J. Hermes Optimized tooth root strength by controlled shot peening S. 137-148

„… . Thus, the quality control must also be carried out differently. By cleaning blasting the focus is on …” „… Optimized tooth root strength by controlled shot peening Dr.-Ing. Jürgen Hoffmeister, Dr.-Ing …” „… conditions, so that the process stability is ensured. By applying optimized shot peening parameters, the …”

J. Klose, F. Zanger, V. Schulze Gear skiving of external gears with internally geared tools S. 1579-1590

„… a compromise between tool wear and productivity. The feed is limited either by surface quality or …” „… cutting speed defined by rotation speed and tool diameter. The feed also impacts surface quality by …” „… designed and tested in other projects. The gear geometry is evaluated by measuring on a Zeiss Prismo 5 …”

I. Bae, U. Kissling Comparison of strength ratings of plastic gears by VDI 2736 and JIS B 1759 – In vision of building a new international standard S. 1267-1278

„… level of safety factors and life expectancies if they are designed by different calculation methods …” „… Comparison of Strength Ratings of Plastic Gears by VDI 2736 and JIS B 1759 In Vision of …” „… difficult for engineers to exchange knowledge on design and production which are often done on a global …”

P. Schneyer Large ring gear milling technology on universal machines – Philosophy of complete machining concept on a universal machine S. 1603-1618

„… device is a sphere which can be mounted on the gear ring by a magnetic prism. To compare the quality of …” „… machine concept. Complete workpiece machining by one universal machine helps to minimize the …” „… nonproductive work (workpiece setup, -transport) as well as it leads to higher Quality. When it comes to …”

P. Barreiro, J. Hoffmeister, J. Hermes, A. Bronner New improvement opportunities through applying topology optimization combined with 3D printing to the construction of gearbox housings S. 1823-1834

„… of the "X Series" designed by SEW-EURODRIVE offers the greatest potential for economic production …” „… of gearbox housings is severely restricted by all the currently used machining processes. 3D metal …” „… technologies regarding the design of gearbox housings. As a result of this investigation, a topology optimized …”

H.-J. Dennig, S. Monn, A. Vodermayer Thermoplastic high performance composite gears S. 1279-1290

„… polyetheretherketone (PEEK) and endless carbon fibers. Behind these results is a research project funded by …” „… . Introduction Currently, the gear market is dominated by metal gears and plastic gears. The main advantages of …” „… near-surface area. The pitting is also effected by the shear stresses and the thermal stresses due to the …”

T. Inoue, S. Kurokawa Improving the Estimation accuracy of fishing reel sensation caused by gear vibration using tactile response delay time S. 1123-1134

„… derived by the meshing simulation. Therefore, a high efficiency of the gear design can be expected …” „… experiments and production of samples is a huge advantage in gear designing. By applying this method in the …” „… Improving the Estimation Accuracy of Fishing Reel Sensation Caused by Gear Vibration Using …”

R. Weidig, H. J. Weimar Powertrain NVH improvement with high-performance polymer gears S. 1421-1430

„… segment have increased expectation on comfort and quality. Gear rattle and whine in mass balance …” „… automotive megatrend, driven by global legislation, to reduce the overall Emissions has opened new demanding …” „… and fluids respectively potential creep, polymer gears can offer many cost, design, processing and …”

A. Mihailidis, A. Psarros FEM analysis of the load distribution over the face width of helical gear pairs considering deviations, misalignments and deformations S. 193-202

„… . of Machine Elements and Machine Design, Aristotle University of Thessaloniki, Greece Abstract …” „… by each slice is calculated by taking into account the meshing stiffness. Deviation, misalignments …” „… element mesh is then created exploiting smart software features. Results are obtained by making extensive …”

D. Marino, H. Binz, M. Bachmann Analytical design method for beveloid gears with a small shaft angle and offset S. 391-402

„… applicability of this method is then demonstrated by selected examples. Compared to existing design strategies …” „… Analytical Design Method for Beveloid Gears with a Small Shaft Angle and Offset Daniel Marino …” „… arrangement of the gear axes within space. However, there is a need for a generally applicable design method …”

S.-G. Moon, S.-C. Kim, J.-H. Sohn, G.-H. Lee 2-stage gearbox optimization to minimize weight and maximize gear mesh efficiency considering the gear ratio for high speed gear S. 1237-1244

„… specifications are determined by considering the efficiency. In the optimization, th e design conditions and …” „… design and increased efficiency by 0.2 %. The final design may change in a more favourable direction …” „… design of the high speed 2 stage gearbox was performed and the results were analyzed. The objective …”

B. Brodmann, H. Bodschwinna Scattered light measurement on worm gears with high efficiency requirements S. 1567-1578

„… Abstract: The quality of the surface finish of gears is of considerable importance for the …” „… usable in industrial practice and therefore have no significance. By contrast, the scattered light …” „… the efficiency of the transmission can be established by measuring the scattered light parameter Aq …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… , the contact radius and film thickness could be affected by internal damping. This can have also an …” „… significantly (isoviscous regime). Thus, small shear rates caused by material compliance and small incontact …” „… approaches to estimate film thickness as a characteristic quantity relevant in machine design [3, 4, 5 …”

B. J . Siewerin, T. Tobie, K. Stahl, A. Dobler Flank load carrying capacity of hard-soft gear pairings S. 173-184

„… designed without flank modifications. The test runs have been lubricated by two different greases. Both …” „… machines are used that are driven by large gear drives. They often contain a hard, case-hardened pinion …” „… load carrying capacity usually is a major design criterion for all gear pairings. Although pitting, in …”

N. Yildirim, M. Yasar, E. Yildirim, F. Erdogan, B. Karatas Experimental verification of improvements in static and fatigue bending capacity of spur gear tooth via tooth root design optimization S. 959-972

„… gear pair is first analyzed for standard type of gear design with symmetric tooth root by using finite …” „… have been modified by the tooth root re-design and improved gear tooth fatigue life comparatively …” „… (from 59385cycle to 159884cycle) by replacing symmetric root design by asymmetric root design. 4 …”

S. Detzel, Y. S. Krieger, M. F. Traeger, T. C. Lueth Design of gear surface models for 3D-printing of plastic gears S. 1401-1410

„… Experiments The tooth root load capacity of spur gears designed by the software and fabricated by SLS using …” „… failure were investigated in a series of endurance trials with a range of spur gears designed by the …” „… Design of gear surface models for 3D-printing of plastic gears S. Detzel, M.Sc., Y. S …”

M. Heider, B. Pinnekamp, A. Beinstingel Planetary gears: modes, noise and modifications application and validation of simulation and experiment S. 57-68

„… design of excitation-optimized profile modifications were confirmed by a measurement study comparing two …” „… impacts of gear design and flank modification on noise and vibration excitation are theoretically …” „… criterion for a successful gear design. In many theoretical and experimental investigations and papers the …”

J. Thomas, C. Gosselin, P. Eng Design and rating by means of loaded TCA of straight bevel differential gears S. 493-504

„… Design and rating by means of loaded TCA of straight bevel differential gears Dr.-Ing. Joachim …” „… LTCA calculations using a straight bevel gear design by HyGEARS: i) using the integrated LTCA module …” „… or by a Coniflex® face milling generator are easily designed using the HyGEARS software …”

J. Ahn, C. H. Choi, J. H. Yu, S. C. Kim A study of dynamic behavior of tractor pto driveline to analyze a rattle noise S. 461-470

„… , in the previous research, the gear rattle noise was reduced by minimizing the excitation force of the …” „… drive system. The power generated by the engine is directly transmitted to the PTO gear through the …” „… by the gear collision. In order to reduce the torque ripple transmitted to the pinion gear, a …”

M. Solf, C. Lopenhaus, T. Bergs Influence of elastic effects on the grinding force in plunging bevel gear grinding S. 1687-1696

„… finishing of gears has become a necessary process step for many applications. Hard finishing by grinding is …” „… quality can be achieved. For bevel gears, grinding is used especially in case of high quality …” „… plays an important role in the knowledge-based process design. Previous investigations showed that the …”

C. Gosselin, E. Fritz, L. Seiler Design and CnC manufacturing of face milled beveloid gears S. 379-390

„… Design and CnC Manufacturing of Face Milled Beveloid Gears Claude Gosselin, Ph.D., P.Eng …” „… with pitch angles of opposite signs to allow backlash adjustment by relative axial movement of the …” „… of productivity and quality, the hobbing process is preferred since continuous indexing ensures very …”

J. Han, Y. Zhu, X. Tian, L. Xia A method of tooth longitudinal modification for internal gearing power honing S. 1725-1738

„… the normal deviation of the tooth surface caused by the change of each design variable k,j …” „… . Therefore, the variation of design parameters in Eq. (8) can be solved by linear regression method, such as …” „… the tooth surface is obtained by changing the design parameters independently. Sensitivity matrix can …”

J. Cathelin Material data for advanced plastic gear simulation S. 1335-1344

„… named “Working condition”, “Material Choice” and “Design”; they are input parameters given by the gear …” „… , SABIC, Geleen, The Netherlands Abstract Today, plastic gear designers have much more choices …” „… guidelines, the JIS B1759 for Japan and VDI 2736 for Germany, are known. Moreover, designers are facing a …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… the other are mounted “in line” on a roller holder. By Fig. 3: Schematic design and mode of action of …” „… increase of the tooth root load capacity can be created by the optimization of the roller and tool design …” „… , M.Sc. Steffen Schulze, Machine Tools, Manufacturing, Assembly & Quality (WFM), University of …”

J. Pellkofer, M. Hein, K. Stahl, T. Reimann, M. Hombauer New calculation method of the micropitting load carrying capacity of bevel and hypoid gears S. 517-528

„… lead to a constantly rising power density. Thus, a major aspect during the design process of a bevel …” „… stressed bevel and hypoid gears is micropitting. It is characterized by very small, fatigue-related …” „… micropitting. The calculation of the micropitting load carrying capacity is strongly influenced by the …”

K. Smrczkova Wear resistant plastics – Bespoke plastic compounds for plastic gears S. 1345-1356

„… performed. The design and construction phase can be supported by ALBIS Plastic with component simulation …” „… (e.g. by grease, oil) is not wanted or impossible. ALCOM® WP – Wear Protect are modified compounds with …” „… component design. 3. Introduction of bear and friction values Friction properties of polymer materials …”

V. I. Goldfarb, E. S. Trubachev, K. V. Bogdanov, T. A. Pushkareva Prospects of manufacturing spiroid gears with small gear ratios S. 1665-1674

„… . Numerical examples are given for the possible substitution of truck and tram hypoid gears by different …” „… gears and they are in many respects similar to common worm cylindrical gears by their methods of …” „… production and operation. In order to overcome the second difficulty, the method of machining by a …”

S. J. Ma, G. Y. Wu, G. Liu Study on the contact characteristics of threaded surfaces in a planetary roller screw mechanism S. 1155-1164

„… quality. 6. Acknowledgments The research is supported by National Natural Science Foundation of China …” „… calculate the contact positions in an idealized PRSM design. Until now, few contact models have been …” „… model presented in this paper is verified by the comparison with analytical model. Finally, the contact …”

X. Tian, Y. Wu, J. Han, L. Xia Online estimate and compensation of the gear machining error based on electronic gearbox cross-coupling controller S. 1835-XXVIII

„… multi-axis controller, which is used to realize the gear generation process. Gear processing quality is …” „… higher accuracies are obtained for the helical gear, processed by the proposed method. Key words …” „… effectively solved by replacing the mechanical gearboxes with the electronic gearboxes, which employee a …”

F. Concli, L. Maccioni, C. Gorla Power loss analysis of different high-power density gearbox typologies: CFD analysis and experimental measurements on a cycloidal gear set S. 101-114

„… not anymore working properly. In addition, the design of harmonic drives is strongly limited by the …” „… highlighting the need of new tools and methodologies to optimize the internal design, avoiding thermal …” „… designs rely on planetary, harmonic and cycloidal architectures. Although, thanks to many years of …”

F. Muller, S. Schumann, B. Schlecht Determination of S-N curves for pitting based on local damage analysis S. 657-668

„… Design (IMM), Technische Universität Dresden Abstract In gear technology, high demands are placed …” „… damage analysis on the example of bevel gears. By using detailed information about location and course …” „… used to increase the amount of information from a single experiment. Hence, by using this method the …”

B. van Wissen, M. Kanters, F. Mitsuzuka, K. Iwanaga, Ir. A. Hasanovic Predicting wear for high performance plastic gears S. 1323-1334

„… design. Another option is to use data gathered via simplified tests and test specimens, such as a …” „… contact pressure is observed at x = 0 and defined by: ∗ ∗ (5) The total sliding distance per …” „… cycle can then be derived by analyzing the changing contact between two points, as shown by Kanters et …”

C. M. Illenberger, T. Tobie, K. Stahl Flank load carrying capacity of oil-lubricated high performance plastic gears – Analysis of the pitting development in back-to-back tests S. 1379-1390

„… started and first results were evaluated. 2. State of Knowledge Design and load carrying capacity …” „… improve cooling of the plastic gear the oil is held back by a barrage that establishes an oil level at …” „… insert [8]. Figure 2 shows a sectional view of the plastic test gear design. Due to manufacturing …”

C. Brecher, C. Lopenhaus, F. Goergen Transfer of the tooth flank stress into an analogy test concept to provoke the damage pattern tooth flank fracture (TFF) S. 25-36

„… sequences can be achieved by an optimized positioning of the actuators. It can be shown that the resulting …” „… stress condition in the TFF critical area of the tooth volume can be represented by the analogy test …” „… development of TFF is evaluated. Subsequently, the analogy concept developed by KONOWALCZYK for the …”

P. L. Yin, J. H. Wang, C. X. Lu Digital twin of gear measuring center (dtgmc) S. 1521-1532

„… construction and application value of DTGMC were discussed, and DTGMC was validated by an example of …” „… new idea and method to improve the measurement quality of GMC. Key words: Digital twin; Gear …” „… measuring accuracy of GMC is affected by the interaction of many factors, such as instrument error, software …”

M. Schrank, C. Kiesewetter-Marko, C. Lopenhaus, A. Epple, T. Bergs, C. Brecher Approach for modeling elasticity in the gear honing process S. 1697-1706

„… build simulation, a characteristic value to describe the elasticity is calculated. By using this …” „… reproducible gear quality [2]. For hard finishing, several high performance processes with undefined cutting …” „… process, the process was scientifically investigated with regard to kinematics and process design as well …”

C. Lu, J. Wang, P. Yin Evaluation method of measuring software based on virtual gear measuring center S. 1173-1180

„… affecting the accuracy of the Gear Measuring Center (GMC). It is mainly tested by physical experiment or …” „… centered on the testing of the evaluation algorithm by preparing a set of standard test data [2 through 4 …” „… evaluate the measuring software quality independently and completely. VDI-Berichte Nr. 2355, 2019 1173 A …”

A. Carbonelli Transferring knowledge about gear systems to machines in order to improve diagnosis efficiency S. 1065-1076

„… building models on moderate amount of data enriched by human expertise and knowledge form a more suitable …” „… its whole process oriented by the goal of the analysis: determine whether a given gear system is …” „… healthy or not. Then, the next level of default characterization is reached by using different condition …”

Y. Hawwari, J. Touzet, H. Andre, H. I. Cakar, I. Khelf, L. Alloin Ring gear tooth cracks detected using instantaneous angular speed: wind turbine application S. 1039-1052

„… mentioning the considerable cost implied by the associated corrective maintenance operations. This paper …” „… Condition Monitoring Systems (CMS) by introducing the cyclostationary approach. Then, the highlight was put …” „… perfect, the IAS signal is sensitive to a particular error caused by the measurement tool imperfection …”

S. Matkovič, A. Pogačnik, M. Kalin Comparison between VDI 2736 wear calculation and experimentally obtained results S. 1311-1322

„… , 3.7·10-6 (Rz = 0.45 µm) and 7.8·10-6 mm3/Nm (Rz = 1.5 µm). Those values were obtained by R. Feulner et. al …” „… measurement in real time can be performed. Such measurements can be done by measuring the movement of the …” „… bearing block, which rotates around the pivot by relatively large angles [4]. This way the measurement is …”

doi.org/10.51202/9783181023556

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AUTOREG 2017

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Volume 2292 2017

Results in this title

J. Richenhagen, M. Schumacher, J. Pinnekamp, V. Kumar Konenki Developing Adaptive Lighting in an Agile Software Factory S. 461-474

„… the described requirements by means of structured design principles are becoming more and more …” „… sector is characterized by a long design life cycle with multiple collaborations between manufacturers …” „… final loop the quality of the software model increased to full product quality by using the automated …”

M. Behle, A.-M. Meyer New methods for control algorithm design S. 475-478

„… called SCODE method (System CO-DEsign). Supported by the SCODE tool the engineers are able to capture …” „… New methods for control algorithm design Dr. Markus Behle, Dipl.-Ing. Dipl.-Inform …” „… . Arndt-Michael Meyer, ETAS GmbH, Stuttgart Nowadays, one of the challenges in control design is, that …”

S. Gantenbein, M. Weiss, E. Ivers-Tiffée Elektrochemische Charakterisierung und physikalische Modellierung von Lithium-Ionen Batterien S. 157-170

„… ηCT,C and ηCT/SEI,A are measured and separated by the application of electrochemical impedance …” „… diffusion losses ηDiff,A/C are studied by a current interruption method in the time domain which is the …” „… of varying quality with respect to accuracy, computation time, real-time capability and physical …”

M. Grotjahn, B. Luck, M. Feldt Nichtlineare adaptive Regelung und Störkraftkompensation für elektrische Gaspfadaktoren S. 337-352

„… within the engine’s gas path. The mass flows are regulated by gas path actuators. A variety of non-linear …” „… linear control approaches, which are gain-scheduled by parameter maps, cannot systematically take into …” „… Linearization (EL) is combined with joint state and a parameter estimation by an Extended KALMAN-Filter (EKF …”

doi.org/10.51202/9783181022924

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