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VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (Hrsg.)

DRITEV – Drivetrain for Vehicles 2021

Reihe: VDI-Berichte

Band 2381 2021

Treffer in den folgenden Teilen:

D. Lechleitner, M. Hofstetter, M. Hirz, C. Gsenger, K. Huber Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization S. 303-318

„… driven axles (as common in EVs), the latter for vehicles with permanent all-wheel drives in conventional …” „… e-drive system are eligible. In the following, the focus is put on e-drives with a single …” „… single-speed, two-stage helical gearbox with offset output shaft When designing the e-drive system, a …”

S. Kaimer Power to the Wheels – Challenges and Benefits of Electrified AWD for EVs and Hybrid vehicles S. 117-124

„… Simon Kaimer, Magna Powertrain GmbH & Co. KG, Lannach, Austria Since the 1950s, all-wheel drive …” „… 1987, Mercedes-Benz launched the W124, with the 4Matic all-wheel drive system developed by Magna Steyr …” „… system enabled fuel consumption values close to a front-wheel drive, utilizing a Magna clutch and rear …”

A. Bagh, D. Magnor, J. Kneiber, F. Löhe eTransport – Application of axle-integrated e-drive in urban LCV and MD trucks S. 637-652

„… high friction losses. In addition VDI-Berichte Nr. 2381, 2021640 to this the single wheel drive …” „… software design. The BPW concept eTransport 7.5 t realizes the single wheel drive using two electrical …” „… space between the wheels and drive performance requirements is moderate for light commercial vehicles …”

B. Krüger, G. Filomeno, D. Dennin, P. Tenberge Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization Algorithm S. 377-394

„… Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization …” „… aufzuzeigen. Abstract In this paper, all-wheel drive (AWD) systems in battery electric vehicles (BEVs …” „… driven by a central engine, electric all-wheel drive systems are realized as axle split systems. Both …”

A. Albers, M. Behrendt, J. Köber, T. Breitinger Development of a method for the automated validation of the shift quality of modern dual clutch transmissions on full-vehicle test benches S. 399-414

„… the torque on the wheel or drive train, gearshifts are subdivided into drive or coast gearshifts. If …” „… VDI-Berichte Nr. 2381, 2021400 consciously perceived by the driver, which is why ensuring optimum shift quality …” „… the torque is positive, these gearshifts are referred to as drive gearshifts. In the case of a …”

F. Langhammer, A. Kappes, A. Viehmann, S. Rinderknecht Novel “Two-Drive-Transmission for Long-Range” Powertrain: Ecology and Efficiency meet Driving Comfort S. 207-228

„… needed between all drive units and the wheels. The shifting elements C1 and C2 (both with three shift …” „… drive are located between all drive units and the wheels. In this specific layout, connecting the ICE …” „… front-wheel drive passenger cars, the available axial installation space is a limiting factor. The TDT4LR …”

J. De Landtsheere TREMEC HYbrid DRive Axle – HYDRA – Hybridization enables RWD dynamics in a FWD car S. 125-144

„… road with a two-wheel drive layout. In VDI-Berichte Nr. 2381, 2021 125 recent years, more and more …” „… the shown concept is a real P4 axle, in which the e-machine drives the rear wheels only, there is a …” „… much more pronounced rear wheel drive handling characteristic compared to a P3 or pure mechanical AWD …”

R. Resch, C. Danzer, A. Poppitz, T. Pirkl Alternative drivetrains for sustainable commercial vehicles S. 669-684

„… powertrains, starting with wheel individual electric motors or axle drives where the E-transmission is …” „… connected to the drive unit and the wheels via universal joints. The required maximum axle torque is …” „… performance in single or dual axle drive systems. Additionally it provides cost potentials for fleet …”

J. Shutty, A. Moser, D. Gajowski Analysis of propulsion system architectures across vehicle segments and markets S. 23-34

„… Motors, 2020 GT Global Users Conference Glossary AWD: All Wheel Drive BEV: Battery Electric …” „… PS: Powersplit RWD: Rear Wheel Drive Si: Silicon SiC Silicon Carbide SOC: State of …” „… and emissions legislation along with the constant drive for improved performance and energy …”

A. R. Lowis, R. Smith hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application S. 179-190

„… , the lower for ratios 5-8. These driveshafts are then connected to a single output shaft, comprising …” „… art manufacturing facility. VDI-Berichte Nr. 2381, 2021 179 Key drivers for product development The …” „… . Transmission Concept Overview The H8-DCT-850 is a three-shaft design, incorporating a single split input shaft …”

P. Barve Gear Design Challenges of 2-speed-AMT High Torque E-Drives S. 499-516

„… layshaft, differential housing and the final drive wheel are the main contributors of the gear mesh …” „… Wheel Fig. 14: Design modifications to the Final Drive Wheel 3. Gear macrogeometry design Once …” „… Gear Design Challenges of 2-speed-AMT High Torque E-Drives Pranav Barve, VCST Industrial …”

L. de Ruijsscher TREMEC Hybrid Dual Clutch Transmission (HDCT) – Electrification of TREMEC’s high performance dual clutch transmission S. 159-178

„… . With a mid- or rear-engine configuration, this results in an all-wheel drive (AWD) vehicle, which does …” „… to immediately drive the wheels. Output flanges are nested inside the emotor to ensure sufficient …” „… electrified drivetrain solutions to the market. REFERENCES [1] TREMEC HYbrid DRive Axle – HYDRA, J. De …”

C. Schmidt, H. Dhejne, J. Karlsson High Efficient 2 speed e-Axle – Highly efficient and shiftable under load S. 145-158

„… requirements, which can no longer be supported by single speed architecture. A highly efficient 2speed e- Axle …” „… featuring single dry-clutch transmission and utilizing high-speed E-machine is the right answer to fulfill …” „… high efficienct e-drive of the customer with AVL´s 2speed transmission. VDI-Berichte Nr. 2381 …”

X. Zhang, F. Küçükay Driveability optimization of electrified powertrains utilizing machine learning based control and the interaction with ADAS/AD systems S. 361-376

„… : Serial-Parallel DHT 3 Objective driveability evaluation The vehicle driveability directly reflects the driver …” „… application of objective driveability evaluation system enables the quantification of driver's subjective …” „… drive, etc. Fig. 1 shows the classification of powertrains according to the degree of electrification …”

D. Morgenweck, M. Großmann, W. Fakler, M. Lamke, F. Bitzer ZF E-Mobility Software Functions for Commercial Vehicles S. 703-718

„… according to ISO26262. Fig. 4 lists the driving functions for a single-axle drive. The software modules are …” „… impacts. These heavy torque impacts occur abruptly when the driven wheels are spinning and then return to …” „… complete drivetrain is integrated into the wheel hubs. It consists of two 125 kW induction motors with two …”

H. Wittig, J. Engasser, A. Glavinic AEROFLEX – Distributed Hybrid Drivetrain for Long Haul Freight Vehicles S. 593-608

„… electronic control unit. Each wheel of the axle is driven by a liquid cooled asynchronous motor that is …” „… , torque requests to the driven axle are distributed equally between the left and right wheel whereby a …” „… improved by adding additional drive axles, which e.g. improve gradeability. This concept might allow …”

M. Häßler, O. Werner The Pendulum Rocker Damper – Providing flexible damper characteristics for hybrid powertrains S. 329-346

„… misfiring or wheel excitation (e.g. uneven road in conjunction with ABS braking). If hybrid drivetrains do …” „… driven to the coast side during the starting process. This means that, for the purpose of isolation, a …” „… damper can be operated with the lowest possible friction on the drive side (Fig. 4a), while the coast …”

M. Muether, B. Heuser, L. Virnich, A. Guedden, T. Luediger, D. van der Put Development trends towards CO2-neutral powertrains for HD applications S. 529-550

„… propulsion technologies that enable “Tank-to-Wheel” zero CO2 emissions, as well as their main challenges …” „… realistic. The major driver for the near-term use of H2 as a fuel is the EU’s increasingly stringent CO2 …” „… Tank-to-Wheel legislation carbon-free or low-carbon fuels produced from renewable sources are coming into focus …”

F. Bayer, J. Tochtermann Development of a Heavy-Duty E-Axle S. 621-636

„… driveline efficiency. To achieve maximum driveline efficiency, the main driver is the use of the neutral …” „… , with increasing production volumes of electrically-driven trucks, it will become increasingly …” „… two-speed transmission with three shafts, while path 2 includes e-motor 2 combined with a single …”

E. Schneider, C. Danzer, E. Schreiterer Modular and highly functional Hybrid Platform for subcompact cars up to full-size SUV S. 191-206

„… of a full-size SUV and the needs for a good off-road capability requires an all-wheel-drive system …” „… including the option of an electric all-wheel drive (eAWD) by using an electric rear axle. With this …” „… . Additionally an electric rear axle can be added to offer electric all-wheel drive functionality. For the …”

G. Herbillon Performances Validation of an electrically-commanded dog clutch system for multi-speed and disconnectable eDrives S. 255-274

„… eDrives in order to reach vehicle performances (high wheels torque and high vehicle top speed) without …” „… disconnectable eDrives Dipl.-Ing. Gilles Herbillon, VC ST Industrial Products, Sint-Truiden, Belgium erfor …” „… branch of BMT Drive Solutions) is a recognized gears supplier from the automotive field, and relies on a …”

M. Giannantonio, S. Henzler, S. Rinderknecht Advanced Design of Dedicated Hybrid Drivetrains S. 77-100

„… shaft pack C SP1 – this spatial arrangement often occurs in front wheel-driven architectures between …” „… of 3D design concepts of dedicated hybrid drivetrains and electrical drive units is proposed to …” „… this paper (refer Fig. 1 lower part). In general, the approach is suitable for pure electric drive …”

S. Dussinger, T. Wiedemann, B. Harter, B. Wiedenmann Simulation of induced axial forces on planet gear bearings at example of ZF’s 8-speed automatic transmission S. 469-486

„… implicit and explicit analysis and features a single-core-model technology to serve a wide variety of …” „… model for gear set 1. It consists of the inner sun shaft and wheel, four planets with carrier, a ring …” „… : Curve history for ramping up the rotation load on the drive side and the moment on the output side The …”

F. Müller-Deile Advanced design of electric machines for trailers with electric axles S. 653-668

„… driver assistance energy management systems and last but not least electrification of the drivetrain …” „… operation strategy for eDrive System Dr. Felix Müller-Deile, ZF Commercial Vehicle Control Systems …” „… combination. It was the industry first solution integrating a powerful electric drive in a semitrailer and …”

doi.org/10.51202/9783181023815

VDI Wissensforum GmbH - LAND.TECHNIK 2022

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VDI Wissensforum GmbH (Hrsg.)

LAND.TECHNIK 2022

Reihe: VDI-Berichte

Band 2395 2022

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A. Opgenoorth, K. Schmitz Development of hydraulic drive systems in the context of electrified work machines S. 133-146

„… only able to provide a single pressure level, which all drives must use. For those drives with a lower …” „… systems, more than a single supply pressure is available for each drive. Using an independent meter valve …” „… efficient systems in machines with electric drives enables the introduction of new and advanced drivetrain …”

M. Mosker Current Developments and Challenges in the Range of Tractor Mounted Forage Harvesters S. 465-472

„… attached to their tractors. At first, the standard was single-row harvesting. As the engine performance of …” „… forage harvesters: They use a disc wheel to cut the crops. VDI-Berichte Nr. 2395, 2022 465 …” „… models, by means of disc conditioners. Fig. 2: Disc wheel [3] Fig. 3: Chopping drum [1 …”

L. Frerichs, L. Buck Structuring of electrified agricultural machine systems – Diversity of solutions and analysis methods S. 1-10

„… to electric drives for agricultural machines. However, the energy density of upcoming batteries is …” „… in liters of diesel required per kilometer driven, but in liters of diesel required per ton of crop …” „… resistance per kilometer driven. In contrast, the composition of the energy demand of agricultural machinery …”

D. Neitemeier, S. Spiekermann, D. Irmer, J. Baumgarten, A. Wilken Automatic adjustment of auger headers with variable table length to improve a continuous crop flow and reduce pickup grain losses of a combine harvester S. 235-242

„… crop flow and to reduce grain losses. In practice, the driver has to universally adjust the reel and …” „… increases the comfort of the driver and can also provide parallel actions of movements to ensure an optimal …” „… and cannot be notified to the driver. Currently the driver cannot continuously adjust the header to …”

R. R. Shamshiri, C. Weltzien, T. Schutte Multi-Sensor Data Fusion with Fuzzy Knowledge-based Controller for Collision Avoidance of a Mobile Robot S. 349-358

„… engine four-wheel drive (4WD) and four-wheel steering (4WS) Quatrak manufactured by Irus (IRUS …” „… four-wheel steering mobile robot by means of multiple infrared (IR) and laser distance detection sensors in …” „… could be driven remotely via a 2.4 GHz wireless transmitter, or be programmed to follow waypoints …”

C. Birkmann, J. Wieckhorst, J. Pieper, C. Ehlert, R. Stirnimann, M. Stettler The Integration of a Scientific Soil Compaction Risk Indicator (TERRANIMO) into a Holistic Tractor and Implement Optimization System (CEMOS) S. 29-36

„… capabilities of the tractor. By including the engine power, drive train and tire-soil efficiencies as well as …” „… or singles) need to be selected by the user. Based on the previously calculated axle loads and based …” „… well as below the front and rear wheel of a rubber-track undercarriage system. The longitudinal stress …”

K. Singh Sian Frugal Innovation – “Doing more with less” S. 193-202

„… exist before. In so called “third world countries” many innovations are driven differently. In India …” „… • Price driven due to GDP (Gross domestic product) The purpose of this presentation is to show the …” „… like the Backhoe loader from JCB (tractor based wheel loader & excavator merged as one product …”

G. Fiocchi Hybrid and full-electric solution for Telescopic Handler S. 147-152

„… . permissible weight 7700 kg Power 55,4 kW Max torque 300 Nm Traction force 38 kN Wheel radius (rolling) 370 …” „… power losses even at high input rotation speed. With a centreline distance of 220 mm, this single speed …” „… drivetrain electrification as a significant opportunity in order to limit emissions without reducing …”

doi.org/10.51202/9783181023952

VDI Wissensforum GmbH - Commercial Vehicles 2019

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VDI Wissensforum GmbH (Hrsg.)

Commercial Vehicles 2019

Reihe: VDI-Berichte

Band 2350 2019

Treffer in den folgenden Teilen:

G. Nitzsche, J. Engasser, P. Mentink AEROFLEX – Advanced Energy Management in Distributed Powertrains S. 281-292

„… 74 tons, 11.5 tons on a single driven axle result in a percentage of merely 16%. VDI-Berichte Nr …” „… vehicles by adding additional drive axles, which e.g. improve gradeability. This paper gives an overview …” „… (GETMS). To the truck a dolly is coupled, which has a steerable front axle and an electrically driven …”

J. Hintereder, S. Sattler, U. Gunzert Development of a disruptive semitrailer tractor in light-weight construction S. 45-60

„… single wheel) Mode 2: Torsion about the longitudinal axis (road unevenness) Mode 3: Bending about the …” „… drivelines and alternative drive systems. As of now, our assumption is that a dead weight of < 5.3 t can be …” „… changes in their market. To name just the most important changes, these include more drive power, more …”

M. Lamke, M. Eisele, F.-D. Speck ZF Kit for E-Mobility Products for Commercial Vehicles S. 73-86

„… inverters without additional effort. This makes it very easy to build single- and multimotor drives. The …” „… represents the driving functions for a single-axle drive. The modular drive modules are divided into …” „… uncontrolled and occur abruptly when driven wheels are spinning and then return to a high friction surface …”

D. Vorgerd The Mercedes-Benz eCitaro – A modular concept for sustainable electro mobility in city bus operations S. 9-18

„… eCitaro’s drive system is provided by an electric portal axle with electric motors at the wheel hubs. The …” „… . For example the electronic drive control and corresponding brake management functionality have been …” „… drive and auxiliary units. In harsh winters, the consumption can rise to about 2 kWh/km, thus halving …”

C. Luján The new vehicle energy consumption calculation tool (VECTO) for heavy-duty vehicles – Scope and limitations S. 269-280

„… , 2019276 Torque and speed at the driven wheels Fuel consumption After the test is performed, the …” „… torque, the wheel angular speed, and vehicle speed. VDI-Berichte Nr. 2350, 2019272 2.2.2 Engine fuel …” „… and axle general provisions The transmission of power from the engine to the tyres and wheels …”

K. Feyerabend Over The Air Software Updates for commercial vehicle trailers – How to ensure latest software in all trailer ECUs S. 231-242

„… client also acts as a single point of contact for the OTA update backend in the cloud. In-Vehicle …” „… Available configuration vary from minimal braking system with a two wheel speed sensor / two modulator …” „… will require Advanced Driver Assistance System (ADAS) functions to be added to the trailer. In summary …”

W. Schmitt, P. Huse, R. Koehnsen A new chassis-concept for electrified, light commercial vehicles based on innovative forming technologies S. 61-72

„… wheel hub drives, located at the rear axle. As already mentioned the overall dimensions of the chassis …” „… alternative drive systems. The development has been driven by a consequent lightweight design approach …” „… using conventional vehicle-platforms equipped with alternative drive systems. It offers new …”

G. Schünemann The eTrailer – Intelligent hybridization for heavy duty commercial vehicles – Electric drive installed in a semi-trailer and integrated in the truck & trailer overall brake system control leading to s... S. 87-98

„… The eTrailer – Intelligent hybridization for heavy duty commercial vehicles Electric drive …” „… industry first solution for integration of an electric drive in a trailer combined with a holistic control …” „… the electric drive. WABCO, the leading innovator and global supplier of technologies that improve the …”

doi.org/10.51202/9783181023501

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2017

Reihe: VDI-Berichte

Band 2294 2017

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B. Schlecht, T. Schulze, K. Riedel Tooth contact analysis under load on double helical-geared planetary gearboxes S. 83-96

„… . Berthold Schlecht, Dr.-Ing. Tobias Schulze, Dipl.-Ing. Konrad Riedel, DriveConcepts GmbH, Dresden …” „… , Calculation Software, DriveConcepts GmbH [3] Baumann, V.: Untersuchungen zur Last- und Spannungsverteilung an …” „… Berechnungskerns für die Software MDESIGN LVRplanet. Unveröffentlichte interne Arbeit, DriveConcepts GmbH 2007 …”

M. Oehler, B. Magyar, B. Sauer A new standardizable calculation method to predict the efficiency of worm gear drives S. 363-372

„… ) Here, T2 is the output torque on the worm wheel shaft, ω1 is the angular velocity of the drive shaft …” „… A new standardizable Calculation Method to predict the Efficiency of Worm Gear Drives Dipl.-Ing …” „… for the efficiency of worm gear drives was developed. This method is validated by experiments with …”

B. Schlecht, C. Ulrich, J. Bräunig Investigations on the influence of anisotropic material properties of gear teeth on their macroscopic behavior S. 659-668

„… resource-efficient drive technologies is provided by cold-rolling for the manufacturing of gear teeth, which has now …” „… behavior of the gear wheels is also very important, particularly in regard to the noise excitation in …” „… described by HOOKE’s law for every single point of the material: ⋅⋅ or ⋅⋅ (1) VDI-Berichte Nr …”

A. Furtmann, G. Poll Electrical stress and parasitic currents in machine elements of drive trains with voltage source inverters S. 109-118

„… plates, the insulation of single machine elements requires more effort. For the drive unit a motor with …” „… Electrical stress and parasitic currents in machine elements of drive trains with voltage source …” „… , Institute of machine design and tribology (IMKT), Hanover 1. Introduction Modern drive trains with …”

J. Thomas, C. Wirth Determination and improvement of bevel gear efficiency by means of loaded TCA S. 707-718

„… single contact point when the wheel is driving Pab,k [W] is the output power of one single contact …” „… automotive and industrial transmissions. Especially for the design of axle drives for passenger cars, trucks …” „… efficiency calculation for a practical Hypoid gear set of a typical passenger car axle drive. The effects of …”

H. Schreiber, T. Röthlingshöfer Kinematic classification of a gearbox comprising separate thrusted teeth and its advantages regarding existing approaches S. 267-280

„… tooth contact The single tooth is thrust outside while driven by the polygon. Doing so, the tooth is …” „… discussion of the linear guided single tooth is supported not only by the results of FE calculations, but …” „… Galaxie® Gearbox was in the midpoint of interest within drive engineering in the last years [1] [2] [3 …”

P. Norgauer, W. Sigmund, D. Kadach, K. Stahl Comprehensive simulation methods for crossed helical gear sets with the main focus on the calculation of contact patterns S. 353-362

„… high gear ratios in a single gear stage. FZG has developed the FVA-Software SCHRAD2 which serves for …” „… a single gear stage. Software tools can facilitate the design and calculation of crossed helical …” „… discretized by single points of contact. Every contact point has its own stiffness, which is symbolized by a …”

Y. Zhao Curvature interference characteristic of conical surface Enveloping Spiroid S. 835-844

„… the entity of the grinding wheel. Key words: Spiroid drive; Curvature interference; Undercutting …” „… drive, as shown in Figure 1, was initially invented by Oliver E. Saari at Illinois Tool Works (ITW) in …” „… for hardening the spiroid surface. To defeat this shortage, an emery wheel may be used to grind the …”

X. Kai, L. Guolong A compensation method of tooth surface error in continuous generating grinding based on the virtual-axis S. 1153-1160

„… for continuous generating grinding machine which requires dressing the wheel for many times. However …” „… , the problems of long trial grinding time, high cost in wheels and limitation of precision remain. To …” „… , force-induced error, and dressing error in the worm wheel [1]. The machining error cannot be eliminated with …”

R. Müller, L. Schirmer New tolerance concepts for the realization of steel-only worm gears S. 467-478

„… motivation Currently used worm gears or worm drives consist of a worm made out of steel and a worm wheel …” „… wheel and worm as well as the lack of running-in characteristics. Therefore, an optimal contact pattern …” „… wheel and worm datums and references must be adjusted in comparison to the currently used design …”

M. Baar, P. Oster, T. Tobie, K. Stahl Theoretical investigations of the load distribution of small sized crown gear sets different material pairings S. 1593-1610

„… gear wheels leads to axial forces and linked to this to complex bearing constructions. The mesh of …” „… gear set, combining a cylindrical gear with a plane/face gear wheel. Different to bevel gears, only …” „… the plane gear wheel has to be exactly adjusted for an optimized contact pattern; the axial position …”

C. Andersson Grinding or shaving? – Performance based economic decision support in the manufacturing of gears S. 1353-1364

„… required input data required to make a decision. With the performance driven cost model used during the …” „… automotive industry to drive improvement and change management work, new methodologies have emerged to …” „… manufacturing of the gear wheel were included in the anal- VDI-Berichte Nr. 2294, 20171354 ysis. This lead to …”

J. J. Liou, S. Rakuff The development of worm drives S. 503-516

„… The Development of Worm Drives Joe J. Liou, Ph.D., Stefan Rakuff, Ph.D. ABB Inc., Bloomfield …” „… , Connecticut, U.S.A. Abstract A worm drive is a geared power transmission device in which a worm meshes …” „… angle. The worm drive has been an active and challenging topic of technological study since Leonardo da …”

J. Fechler, M. Böhm, S. Aberle, V. Merz A contribution to the NVH behavior of plastic gears in automotive applications S. 1531-1540

„… drive train, autonomous driving and lightweight design are some of the main drivers within the actual …” „… longitudinal position of the seat. The gear set consists of a worm gear out of plastic and a worm wheel out of …” „… wheel (metal) and results in a higher TE. The dashed line shows the confirmation of the simulation …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sánchez Load sharing model for spur gears with tip relief – An investigation on the influence of profile modifications on the mesh stiffness S. 795-806

„… relative rotation of the driving gear respect to the driven one, produce a sooner start of contact of the …” „… start of contact, the profile modifications are often used. A suitable tip relief on the driven gear …” „… . A proper tip relief on the driven gear moves the start of contact to the theoretical point on the …”

C. Weber, T. Tobie, K. Stahl Investigation on the flank surface durability of gears with increased pressure angle S. 173-184

„… of alternative involute gears was investigated. To find qualified variations for use in gear drives …” „… power density in the drive train. In this report gears with reference tooth shape (αn = 20°) as well as …” „… transmitting gear drives. Besides the economic advantages of the manufacturing process using straight-flank …”

P. Kauffmann, P. Schäflein, V. Heuer PM technology for the future powertrain S. 1289-1298

„… rear wheels when the 4-wheel drive option is selected. A wide tooth form was designed to support high …” „… global growth in demand for automotive powertrain components will continue in the coming years. Drivers …” „… , efficiency, running smoothness and drive train agility automakers and suppliers need to adapt products and …”

A. Carbonelli, J.-Y. Guerder Computing and minimizing the whining noise – Application to a bogie gearbox S. 517-526

„… by the gearbox. They generate dynamic mesh forces which are transmitted to the housing through wheel …” „… is a real railway gearbox which includes wheels, axle, stator, and motor as well as the housing and …” „… transmits the drive torque [1- 2]. STE corresponds to the difference between the actual position of the …”

C. Brecher, C. Löpenhaus, J. Brimmers Potential of free flank modifications for beveloid gears S. 553-564

„… front axle in a four wheel drive vehicle. The small need of design space and the reduced amount of …” „… marine transmissions, for the application within four wheel drive vehicles and robot transmissions …” „… Picture source: Porsche AG, Audi AG, Austal, Kuka Four wheel drive transmissions Marine transmissionsRobot …”

B. Sievers, M. Berger, J. Hermes Technical guideline for the quality determination of bronze S. 479-490

„… published in 2017, establishes a common understanding for the quality of bronze used for worm wheels. The …” „… consideration of the worm wheel material in the German standard DIN 3996 [3] and the international technical …” „… , which requires a combination of materials that resists scuffing. Modern industrial drive technology …”

C. Peng, C. Li, B. Chen Development of a test rig for transmission performances of precision planetary reducer S. 1127-1132

„… reducers such as cycloid driver and RV reducer are used widely in industrial robots field due to its …” „… ] investigated the torsional stiffness of harmonic drive experimentally and set up a test bench used electric …” „… stiffness, hysteresis and friction effects of harmonic drives in robot joint with the IRIS Facility. Wang[3 …”

A. Lohrengel, M. Heß Thrust cone bearings provide increased efficiency for helical gear units at moderate speed levels – Indications for possible energy saving potential in an expanded field of application S. 231-242

„… full film lubrication. For a single stage test gearbox noticeable increases in efficiency were …” „… pinion and flank the opposing wheel. The conical shape of the thrust cones and the contact surfaces …” „… ground to the sides of the wheel lead to a narrowing gap in the overlapping area. Lubrication fluid …”

K. Mao, V. Goodship, N. Madhav, R. Ramakrishnan, P. Langlois Experimental Investigations of Polymer Composite Gear Performance S. 1625-1636

„… significantly depending on the driving and driven gear materials. Keywords: polymer composite gears, tooth …” „… authors’ research on machine cut acetal gears [15]. In this method a single test gear pair is used. The …” „… a single gear pair compared with the several weeks required to perform full endurance testing on …”

H. Yakaria Gear Data Exchange (GDE) – goLive S. 1235-1246

„… Digitalization Digitalization of gear production needs networking of every single production process. Most of …” „… , hard machining and the quality inspection by gear measurement. These single processes can be connected …” „… the pinion and the wheel are described in element “gear”. Both gears are paired in the GDE using …”

S. T. Ping, Y. M. Shao, L. M. Wang, H. W. Li, J. Xu, Y. Cheng, J. Liu The influence of mesh misalignment on planetary gear set with time-varying mesh stiffness S. 219-230

„… . Parallel misalignment is defined as the axis of the planet wheel is parallel to the axis of the planet …” „… axis of the planet wheel is not parallel to the planet carrier hole, as illustrated in Fig. 1(b …” „… with parallel misalignment, Rbs and Rbp are sun wheel base radius and planet wheel base radius, αs and …”

B. Schlecht, F. Rudolph, S. Schumann Experimental studies and simulation of hypoid gear lapping S. 1403-1414

„… determination of these is largely dependent on experiments and the experience of single employees. Lapping is …” „… processes involved in abrasion, frequently regarding single particles or asperities [7, 8]. Limited …” „… equation. ∆ is the material volume abraded by a single hard particle, which can also be expressed as …”

M. Kalin, A. Kupec Wear and Fatigue Behaviour of Polymer Gears under Controlled Temperature Conditions S. 1637-1648

„… manufacturer’s data sheet. Driving SS gear / pinion Driven POM gear / wheel Module (mm) 1 1 Number of teeth 17 …” „… the driving/driven gear [12] can all influence the surface temperatures generated and thus influence …” „… the driven shaft with a magnetic brake unit that provides a braking torque. Both shafts are equipped …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2023

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

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

„… , such as offshore wind power drives. Pitting damage on gears usu-ally occurs on single or adjacent teeth …” „… bench, a single stage spur gearbox is developed. The test gearbox is used on a test bench, which is …” „… . Introduction Gear drives are important machine components for adjusting speed and torque in many mobile and …”

Y. Koch, E. Kirchner, J. Hirschmann Measuring Instantaneous Angular Speed using a Gear Wheel as Material Measure to detect Pitting Damage during an Endurance Test S. 81-96

„… with the DriveRadar® IG Edge Processing Unit from SEW-Eurodrive every 60 minutes for a duration of 30 …” „… , MR Z3, MR B, MR C DriveRadar® IG Edge Processing Unit Sampling frequency: 50 kHz; sampling duration …” „… Measuring Instantaneous Angular Speed using a Gear Wheel as Material Measure to detect Pitting …”

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

„… and if two significantly different strain rates can exist within a single drive unit. Traction motors …” „… which is driven by strain rate dependent plasticity behaviors. This study combs through current …” „… literature and provides an analysis on an example countershaft electric vehicle drive unit to explore what …”

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

„… system of the worm, the wheel and the virtual counterpart rack are shown in Figure 1. The polynomial …” „… tooth root fillet factors of the worm and the wheel, the fillet curve radii are designed at the rack …” „… . One side each of the spatial couterpart rack generates the contour of the worm and the wheel, by using …”

Titelei/Inhaltsverzeichnis

„… , GermanyMarker-Free, Single Item Traceability in Gear Wheel Production Based on Inherent Surface Patterns 1877T …” „… using a Gear Wheel as Material Measure to detect Pitting Damage during an Endurance Test 81Y. Koch, E …” „… , 2023 | 15:31:04 | 148 mm x 210 mm Planetary gears: NVHVibration reduction of planetary gear drive using …”

M. Reichl, P. Lenz, A. Oliva Challenges and possibilities of virtual development of e-axle transmissions S. 485-498

„… , which must be managed and optimized. In addition, the efficiency of the drive system plays a major role …” „… . Introduction There are three main concerns in the development of today's gear drives: load capacity …” „… total power loss are shown in Fig 1. The load-independent power loss 𝑃 has the largest single share of …”

P. Chavan, M. Lutz Validation of an industrial gearbox model for predicting vibro-acoustic behavior S. 619-632

„… modelling of the individual flexible bodies, bearings, joints, gear wheels as well as meshing excitation …” „… model of a basic single-stage gearbox was validated. The mesh stiffness of the helical spur gear pair …” „… well as run-out values are considered in the rigid gear wheel primitives of the MBS software. Tooth …”

O. Harris, C. Poyser, R. Patel, O. Shires Developing CAE solutions for Robotics gears: Cycloidal and Strain Wave Gear Drives S. 1111-1124

„… applied to the FS, and the tooth loads (see Fig. 13) and a single static TE of the drive calculated. The …” „… Developing CAE solutions for Robotics gears: Cycloidal and Strain Wave Gear DrivesLeveraging more …” „… included in a model of a full drivetrain system to create an RV drive: a two-stage reduction mechanism …”

C. Kirchhoff, P. Tenberge Optimization of the vibrational behavior of ZI crossed helical gears with a plastic wheel and a steel worm S. 1419-1434

„… drives has become a priority. Crossed helical gears with steel worm and plastic wheel are often used in …” „… Optimization of the vibrational behavior of ZI crossed helical gears with a plastic wheel and a …” „… the primary drive trains of automobiles, so that the minimization of noise emissions from secondary …”

B. Abert, D. Werner The Influence of Wheel Body Design on Airborne Noise S. 357-366

„… The Influence of Wheel Body Design on Airborne NoiseBenjamin Abert M.Sc., FVA GmbH, Garching …” „… excitation. Although it is known that periodic modifications can limit the excitation for a single load [1 …” „… increases. One way to introduce ghost orders is to add holes to the wheel body. This can be seen in the …”

J. Langhart, S. Ebrahimi, T. Kelichhaus A comparison of time and frequency domain approaches for NVH S. 583-598

„… design variants of a typical EV drive model. The evaluation of the NVH results is done by comparing …” „… on two shafts, representing the left and right wheel of the vehicle (figure 1). VDI-Berichte Nr …” „… results into 14,000 single integration time step. The CPU time to solve this problem was 15 hours on a …”

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

„… using BEM or FEM [4]. In the case of FEM influence numbers, wheel body stiffnesses may also be taken …” „… . 3: Maximum pressure and maximum nodal displacement for convergence analysis The crown wheel is …” „… modelled as a segment. Since the influence of pinion deformation is to be investigated, the crown wheel is …”

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

„… wheels and the operating conditions. To determine the exact load distribution, detailed simulations or …” „… Nr. 2422, 2023570face width. To do so, multiple strain gauges must be applied in a single tooth root …” „… distribution in dependency of the carrier rotational position. For a final drive with strain gauges applied at …”

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

„… usually used in industrial applications with the material pairing of hard worm and softer worm wheel …” „… the amount of wear on worm wheels. For this reason, a model contact wear test was developed applying a …” „… behavior of steel-bronze rolling-sliding contacts regarding worm wheels. Therefore, the basics for the new …”

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

„… [2]. This implies that there will be only a single location in which the contact is favourable [2 …” „… relative position between the pinion and the wheel is therefore well understandable, especially when it …” „… comes to e-drive – powered vehicles, where it is not possible anymore to rely on the masking effect …”

A. I. Aydeniz Modelling and Analysis of the Effect of Root Modification on Load Sharing and Stress Values on Spur Gears S. 1039-1062

„… the study, a modification was applied only on the gear wheel and it was aimed to make the gear pair …” „… standard gear wheel and the modified one are given in the figures. 2. Model Used in the Analyses A …” „… and tip relief parameters,  Constant or varying driving and driven torques,  Profile and cumulative …”

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

„… wheel primarily against damage of the wheel because of wear, pitting or breakage of the teeth. The aim …” „… of research in the last decades is to optimize the load capacity on the worm wheel by using …” „… , the worm shaft is usually made of case-hardened steel and the worm wheel of a copper-tin alloy to …”

L. Amar Review of the definition of the loads for spur and helical gears in standards and handbooks S. 301-314

„… pinion and wheel tangential forces when the sum of shift profiles is none-zero. Methodology In response …” „… angle/spiral angle : Normal pressure angle : Bevel pitch angle of gear 𝐴 : Apex factor : Drive factor 𝑅 …” „… the sign of forces. - Separating force positive toward the driven element. - Thrust force positive …”

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

„… . [2] Hailu H. et al. Design and fatigue analysis of an E-drive transmission system of single …” „… e-mobility and the continuous drive for higher efficiency in these systems, there arises a need for advanced …” „… residual stress states in the samples. One was performed using an Al2O3 grinding wheel, while the other …”

M. Ruzek, R. Brun, F. Ville, P. Velex, Y. Marchesse On the reduction of windage power losses in gears by the modification of tooth geometry S. 785-800

„… interactions between a pinion and a gear [12] but, in the present study, only the WPL for one single gear is …” „… (indicated by a yellow arrow). There are two main differences between steel and PLA wheels. (1) The flank of …” „… the wheel made of steel is smoother than the PLA flank surface, which is likely to generate more …”

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

„… Munich, GermanyAbstractAs technology progresses, the demands placed on drive trains are continuously …” „… radiation of a single-stage gearbox in three-dimensional space. The computational approach is split in each …” „… [13] is applied in this paper to investigate the sound and vibration behavior of a single …”

S. Sklenak, D. Mevissen, J. Brimmers, C. Brecher, B. Lenz, A. Mehner Analysis of Load Cycles and Local Wear of Dry and Solid-Lubricated Gears S. 727-740

„… drives is limited due to the lubricant properties, for example by hygiene guidelines or high temperature …” „… fluctuations. Solid lubricants are an alternative to liquid lubricants in gear drives. However, the …” „… and complete layer failure. Microscopic wear analysis show that the wear on the pinion and wheel …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… in this field give the cylindrical helical gear drives with variable helix angle [14], and a novel …” „… dimensional characteristics: number of pinion teeth z1=20, number of wheel teeth z2=96; VDI-Berichte Nr. 2422 …” „… . Accordingly, the FEA used in this research is performed for the outer point of single pair contact on the …”

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

„… of large bevel gear drives, for example those in the marine industry, are sometimes disappointing …” „… shrink fit centering piece and splines that prevent the pinion from free rotation on the shaft. The wheel …” „… is installed by using the splines and a locating cone at the center of the wheel. These fretting …”

B. Guilbert, D. Dureisseix, P. Velex Hybrid models for the simulation of displacements and stresses in lightweight gears S. 315-328

„… (at the outer surface of the shaft) to a single central node. Tooth contacts are supposed to occur …” „… axial modes observed on a single pinion (see the 2-diameter mode in Figure 3-a for example) appear on …” „… 7949 Mode Type - 2 N.D. on wheel Coupled + 3 N.D. on wheel Coupled Coupled Fig. 8: Comparison between …”

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

„… created VDI-Berichte Nr. 2422, 2023 1333using Electrical Discharge Machining (EDM) or other CAD/CAM driven …” „… does not provide individual definitions for KA , Kv , KF and KF . Rather, the standard uses a single …” „… Single Tooth Bend testing, with stress at the critical point calculated using the hybrid approach …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… settings.To determine the boundaries of the Pareto front, single-objective optimizations are initially carried …” „… , particularly for the initial single-objective minimizations. Subsequently, the initial guesses were provided by …” „… machine-tool setting identification algorithm, it is Fig. 5: Tool settings that define the grinding wheel …”

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

„… , and torsional angular displacement of the master and driven wheel, respectively. From this a combined …” „… the position it would occupy if the gear drive were perfect, visualized in Figure 2. The higher the …” „… gear (left) and rotational angle output errors compared to a perfect drive because of rotational …”

P. Romio Spur Gear Teeth Reconstruction via Direct Laser Deposition S. 1641-1664

„… (6) produce a fixed torque on the system [18]. 1. Test pinion 2. Test wheel 3. Drive gear case 4 …” „… particular cases. In recent years, an approach strongly driven by advances in Additive Manufacturing (AM …” „… tooth width 14.0 mm Working pitch diameter Pinion 73.2 mm Wheel 109.8 mm Tip diameter Pinion 82.46 . mm …”

B. Černe, N. Vukašinović, D. Zorko In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear tests using a high-speed camera with microscopy optics S. 1563-1580

„… driving pinion was composed of the selected steel grade, while the drive gear was made of POM-C. The main …” „… implemented, the procedure allows to accurately measure wear on each single tooth in a highly automated …” „… .2020.101078. [14] VDI 2736 – Part 4, Thermoplastic gear wheels - Determination of strength parameters on gears …”

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

„… phases), the latter involves only one single phase fluid. Churning losses are predominant in dip …” „… of smooth disks. The first scholar dealing with a (single) rotating gear was Ohlendorf [7]. Niemann …” „… simplest approach to study a single rotating gear is the so-called Moving Reference Frame (MRF). It is a …”

S. Sepp, A. Wenig, M. Otto, K. Stahl Acoustical behavior of periodic flank modifications under dynamic operating conditions S. 341-356

„… VDI-Berichte Nr. 2422, 2023 343Fig. 1: Principle of mesh stiffness for spur and helical gears: single tooth …” „… calculated in static conditions (n 0). The LTE describes the deflection between pinion and wheel under load …” „… test specimen Parameter Unit Pinion WheelNumber of teeth z1/z2- 33 35 Center distance a mm 140.00 …”

N. Blech, C. Paschold, T. Lohner, T. Tobie, K. Stahl, L. Amar Review of different calculation approaches for the mean coefficient of friction in ISO 6336 S. 191-210

„… flank surface roughness Ra of pinion and wheel (XR, see Equation (4)). The original source of Equation …” „… pinion and wheel was varied in a spectrum between 0.05 µm and 1.0 µm. Fig. 1 shows the resulting mean …” „… single equation for calculating the mean gear coefficient of friction. Nomenclature Center distance in mm …”

C. Herzog, D. Drummer Influence of the injection molding process on the tooth deflection of plastic gears during operation S. 1435-1448

„… , Nuremberg, Germany, which drives the steel pinion on the input side. The loading torque is applied on the …” „… which are manufactured using the line contour show higher deviations during the meshing of one single …” „… . VDI 2736 Part 2. Thermoplastic gear wheels - Cylindrical gears: Calculation of the load-carrying …”

T. Schmid-Schirling, N. Saum, C. Eberz de Oliveira Löhrer Marker-Free, Single Item Traceability in Gear Wheel Production Based on Inherent Surface Patterns S. 1877-0

„… Marker-Free, Single Item Traceability in Gear Wheel Production Based on Inherent Surface …” „… suited for gear wheels and parts are safely identified on single item level without any marker. In …” „… machining or heat treatment to every single part for process improvement or authentication of gear wheels …”

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

„… challenges in drive technology. Advantages include in particular the short axial length in conjunction with a …” „… power density. In stepped planetary gearboxes - in contrast to planetary gearboxes - the single planet …” „… flexible shafts takes place under the wheel body cylinders, since the stiffness of the wheel body is …”

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

„… TRL3 test articles, the Taguchi Method only yields rough information on single characteristics. Using …” „… (<0.5RPM) while the grinding wheel oscillates in the vertical direction achieving a transversal grind on …” „… . H. Amri, Advanced Drivetrain Technologies GmbH, Vienna, Austria; Dr. V.S. Viteri, Dr. J. Ochoa …”

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