Filter results

Results (808)

Sort by:

Select all Select all

Page 20

VDI Wissensforum GmbH - International Conference on Gears 2019

Partial access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

Results in this title

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

„… ISO 6336-5 [4] can be used directly for tooth root safety calculations. 6. Rating of Differential …” „… as for VDI-Berichte Nr. 2355, 2019 499 the calculation of local safety according to FVA 411 [6, 7 …” „… ] by BECAL [2] for the calculation of pitting safety. This curve includes a fixed static limit of 1.6 …”

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

„… local safety factors and the damaged flank areas in the test. 1 Introduction Bevel and hypoid …” „… approach for calculation of the micropitting safety factor for bevel and hypoid gears was developed by one …” „… , when the calculated safety factor at this point is smaller than the critical micropitting safety. As …”

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

„… maximum deformation of the teeth, the teeth flank safety and flank wear. The SABIC cylindrical gear …” „… exception of teeth flank safety. The teeth flank safety is more dedicated to externally lubricated …” „… ] Tooth bending, Tooth root safety Tooth root stress S-N curve [MPa] Tooth root safety Thermal and …”

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

„… structure. An FEM analysis was performed to check and improve safety and weight after each loop. During the …” „… , the result obtained after each loop was verified by FEM analysis comparing stiffness, safety, and …” „… 4, No. 2). Rigidity and safety of the structure were analyzed on this basis. Since the system’s …”

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

„… contact safety factor, bending safety factor, etc. as design constraints. The optimum design of the …” „… design variables and parameters were established to ensure realistic gear geometry and gear safety …” „… damage < 100% ISO 6336:2006 Bending Bending damage < 100% ISO 6336:2006 Scuffing Scuffing safety factor …”

H. Linke, R. Hess Tooth root bending capacity – An analysis of stress and strength S. 949-958

„… considerably. Therefore, the effect has to be assessed locally which will lead to a local safety factor …” „… whereat the minimum is the safety factor against tooth root bending fatigue of the gear. It is obvious …” „… the tooth root bending capacity calculation directly. Until this the calculation of the safety factor …”

X. Du, B. Chen, X. Shan Robust force control of series elastic actuator using disturbance observer S. 1111-1122

„… safety. The proposed SEA incorporates brushless DC electric motor and large gear reductions that …” „… to achieve force control and ensure safety. To take advantage of the highpower capability of BLDC …” „… drawbacks of multistage gears are friction and backlash. To increase inherent safety and reduce the effect …”

K. Holder, C. Salander, S. Rudolph, R. Stetter Automated requirements-driven design synthesis of gearboxes with graph-based design languages using state of the art tools S. 713-726

„… regarding its suitability. The calculated safety against pitting and tooth fatigue fracture according to [9 …” „… dimensioning and design of gear teeth, i.e. it leads over the proposition of safety margins and the …” „… criteria\footnote{Specifications: only spur gear stages (SP), bevel gear stage (BE) and spur gear stages, required safety margins …”

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 …” „… in DIN and gives a more conservative result (lower safety) to consider lower quality and high …” „… Tooth root load factor Normal module mm Notch parameter Required minimum safety factor …”

H.-J. Dennig, S. Winterberg Test stand for internally cooled metal gears S. 1263-1266

„… manufactured gears. The scuffing safety (integral temperature and flash temperature) can thus be verified …”

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

„… plotted for a safety factor of SH = 1.0 and a flank temperature of ϑflank = 90 °C. The PEEK and PA66 …” „… roughness - Required minimum safety factor [11] Torque at (plastic) wheel ° Glass transition …”

J. Tavčar, J. Kos, D. Zorko, J. Duhovnik A multi-criteria polymer gears design optimisation procedure S. 1473-1484

„… ), profile shift (x1, x2), root stress safety factor (sfn1, sfn2), contact ratio factor (εα), and volume of …” „… specified safety partly out of requests. By applying different kind of improvements, such gear designs can …”

F. Lubos, Z. Roth Bionic tooth root: fatigue testing and potential on gear units S. 47-56

„… safety. This increase takes into account the pitting load capacity by using a smaller module together …” „… optimum combination of γopt and ropt, which ensures maximum gear root safety. Due to the multitude of …”

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

„… requirements in terms of operational safety and reliability. It is necessary to have a well-proven knowledge …” „… contact stress number of the present gear system to define a pitting safety SH (1). (1) Several …”

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

„… (80°C) CH Steel Gear Torque (Pinion), Nm 3.3 3.3 3.3 37.2 Bending safety SF (Pinion) 1.35 1.35 1.35 …” „… . The most obvious and often used criteria are root and flank safety factors, which can be calculated …”

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

„… identification of the examined components is clearly and reproducible with a high degree of safety as often as …” „… high degree of safety as often as desired. Moreover, the robustness against external influences such …” „… high degree of safety as often as desired. Moreover, the robustness against external influences such …”

M. Uhlig, C. Pastor Simulation tool-chain for plastic gear design S. 1453-1460

„… . Moreover, injection molding allows cost-efficient manufacturing. However, high reliability for safety …”

R. Saito, K. Matsuo, Y. Suzuki Noise characteristics induced by micropitting formed on particle-based parkerized gears S. 69-78

„… ensuring collision safety performance, among other requirements. The space allowed for transmission gears …”

S. Vonderschmidt, A. Ott, A. Vonderschmidt High speed driven tool for machine tools using magnetic transmission technology S. 1145-1154

„… avoided. Also the function of the inherent safety clutch [2] helps to reduce security risks in different …”

B. Mahr, A. Pogacnik, A. Langheinrich Derivation of tooth stiffness of asymmetric gears for loaded tooth contact analysis S. 937-948

„… flank safety for gears loaded mostly in one direction. As shown, asymmetric gears can be also …”

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

„… big topics in this context that are pushing this change. The demand for higher comfort, higher safety …”

B. H. Kien, D. Iba, Y. Ishii, Y. Tsutsui, N. Miura, T. Iizuka, A. Masuda, A. Sone, I. Moriwaki Vibration-based plastic gear crack detection system using a pre-learned convolutional neural network S. 1443-1452

„… development of safety machine systems. Despite the accumulation of much knowledge about metal gear monitoring …”

T. Pinel, J. Bruyere, P.Velex, L. Billet Parametric Study of a 3D trochoidal reducer model with involute profile S. 437-448

„… other side, the contact occurs at the top of the pinion tooth, see Fig. 2. Tooth safety is provided …”

H. Xu, D. Qin, C. Liu, Y. Yi, H. Jia Investigation of dynamic modeling and vibration transmission characteristics of helicopter main gearbox S. 449-460

„… transmission system, and its vibration characteristics directly affects the safety and reliability of a …”

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

„… contact analysis is used to predict a local pitting safety [6]. For this reason, the concept of local …”

C. Boehme, D. Vill, P. Tenberge Extension of the application limits for crossed helical gearboxes by new geometries for smaller sliding paths or smaller contact pressures S. 1299-1310

„… angles of the wheels equals the axis crossing angle. The safety factors as well as the efficiency can be …”

R. Ratnagiri, M. Kato, H. Kuchelka Advances in polyacetal materials for gears S. 1357-1366

„… thermoplastic polymer particularly suited for high load mechanical applications, such as gears, safety …”

W. Wagner, S. Schumann, B. Schlecht Co-simulation of the tooth contact of bevel gears within a multibody simulation S. 217-228

„… safety values is planned for the future. 3 Validation For all mentioned validation steps, the gears …”

C. Hegger, T. Kruger, J. Maas Two-speed transmission based on energy-efficient MRF-coupling elements and power split mechanism S. 867-876

„… teeth z of the gears with a safety-factor of at least 1.5 as well as a compact design resulting in i0,1 …”

F. Cura ISO Standard based method for determining a global in-operation dynamic factor KAV in gears subjected to variable velocity and loading conditions S. 689-700

„… , SFmin is the minimum required safety factor for tooth root stress, YδrelT, YRrelT, YX are respectively …”

A. Weis, T. Deliktas, M. Liewald, N. Missal Cold forging of gear components by a modified Samanta process S. 1765-1776

„… out with the aluminum alloy EN AW 1050 for safety reasons. Then blanks made of C4C and 16MnCr5 were …”

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

„… in total vehicle weight, primarily as a result of extended safety precautions, a gain in electronic …”

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

„… high safety at the reference torque. The calculated endurance strength with regard to TFF is at a …”

M. Geitner, T. Tobie, K. Stahl, B. Zornek Investigations on the pitting load capacity of internal spur and helical gears S. 301-314

„… sufficient safety factor regarding tooth root breakage. Within the research project FVA 482/II [12], the …”

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

„… necessary. This allows for reduced safety margins. In this study, fatigue tests and accompanying …”

doi.org/10.51202/9783181023556

No access

Select

Konstruktion

Browse Volumes: Konstruktion

Konstruktion Volume 69 (2017) Issue 04 ISSN Online: 0720-5953

Results in this title

Achim Albertini Jede Schwingung zählt S. 50-52

„… hierfür hat TWK den SIL2- Schwingungssensor NVA mit CANopen Safety-Schnittstelle und Schaltrelais …” „… steigenden Ansprüche erfordern entsprechende Safety-Komponenten. Zertifizierte SIL-Geräte erfassen …” „… nun der Schwinungssensor NVA115 als SIL2 Safety-Komponente zum Einsatz. Der gemessene …”

Mehr Ertrag, weniger Risiko – mit kontinuierlicher Rotorblattüberwachung S. 51-52

„… auftretende Beschleunigungen jedoch zu groß sein, reagiert der NVA115 sofort (Safety-Shut-Off-Funktion SSO …” „… zwei Analogsignale für die zusätzliche Werteausgabe neben CANopen Safety. Mit dem Schwingungssensor …”

doi.org/10.37544/0720-5953-2017-04

No access

Select

Technische Sicherheit

Browse Volumes: Technische Sicherheit

TeSi Volume 10 (2020) Issue 07-08 ISSN Online: 2191-0073

Results in this title

E. Renner Mit durchgängiger Sicherheit zum perfekten Kabelschuh S. 23-26

„… Safety-Integrated- Komponenten KAMtec setzt schon länger fehlersichere Steuerungen von Siemens ein und nutzt …” „… Realisierung der Maschinensicherheit nicht nur auf fehlersichere Steuerungen mit integrierten Safety …” „… bestimmter Anlagenkomponenten verschiedene Möglichkeiten gibt, wählen wir immer die sicherste Lösung. Safety …”

doi.org/10.37544/2191-0073-2020-07-08

No access

Select

Technische Sicherheit

Browse Volumes: Technische Sicherheit

TeSi Volume 10 (2020) Issue 06 ISSN Online: 2191-0073

Results in this title

J. Schmidt Abstände zu schutzbedürftigen Menschen in Corona-Zeiten S. 3

„… erlernen. Trainings wie die Applied Safety Seminare am CSE Center of Safety Excellence …” „… (https://cse-engineering.de/applied-safety/), z. B. die Module Anlagensicherheitskonzept oder auch Risikomanagement, helfen hier schnell …” „… o r D r . - I n g . J ü r g e n S c h m i d t , CSE Center of Safety Excellence gGmbH …”

S. P. Dahlen Wer nicht ausreichend testet, riskiert die eigene Unternehmensexistenz S. 26-28

„… Ländern und Branchen gut angenommen wird. Daneben spielen auch die OHSAS 18001 und das SCC (Safety …” „… Certificate Contractors) eine Rolle, sowie das vergleichsweise junge niederländische Regelwerk SCL (Safety …” „… : Erfolgreiches Management der Sicherheit und Gesundheit bei der Arbeit– DIN ISO 45001, SCC, Safety Culture …”

B. Schalau, S. Schalau Freistrahlmodellierung für geringe Austrittsgeschwindigkeiten/Jet modelling for low exit velocities S. 17-22

„… highpressure GH2 reservoir in case of a small leak. 3rd Internat. Conf. on Hydrogen Safety (ICHS 3), Ajaccio …”

doi.org/10.37544/2191-0073-2020-06

Access

Select

wt Werkstattstechnik online

Browse Volumes: wt Werkstattstechnik online

wt Volume 113 (2023) Issue 05 ISSN Online: 1436-4980

Results in this title

Moritz Walker, Marc Fischer, Armin Lechler, Oliver Riedel, Alexander Verl Fehlertolerante Sicherheitssteuerung aus der Cloud/Cloud-based fault tolerance of safety control in the cloud S. 189-194

„… production tech-nology. However, based on current state of the art, safety-criti-cal systems are difficult to …” „… , Paketdupli-zierungen und ähnliche Fehler durch das Safety-Protokoll ent-deckt werden. Es wird angenommen, dass die N …” „… .: Multi-core Devices for Safety-critical Systems. ACM Computing Surveys 53 (2021) 4, pp. 1–38[7] Ulbrich, P …”

doi.org/10.37544/1436-4980-2023-05

1 ... 18 19

20

... 162