Zusammenfassung
Foreword The International Conference on Gears in Garching near Munich, Germany, is an established platform for researchers on and manufacturers of gears and transmission systems. At the 10th issue of the conference in September of 2023, gear experts discussed the latest developments and research results from the powertrain industry and academia. Given the increasing challenges of climate change and its impacts, acting in compliance with the UN Sustainable Development Goals is mandatory for all engineers today. Gear engineers must consider these objectives in their research and development activities and provide solutions that meet the technical requirements and contribute to achieving the UN goals. Greenhouse gas (GHG) emission is a primary driver for climate change. Reducing GHG emissions should be an urgent action for the combat against climate change. Therefore, the research on efficiency is assigned a key role. Several contributions in this report discuss the possibilities for further improvement in efficiency from different points of view, like gear design or lubrication. Other subjects of the conferences are Responsible Consumption and Production. H...
Schlagworte
verlustarme Getriebe Risswachstum Stirnrad Planeten Getriebe Lebensdauer Vorhersage Maschenweite Synchronisierung Reibungskoeffizient Lastverteilung Schmierung Ölfluss Simulation schlaues Getriebe Re-X low-loss-gears tooth root load fatigue strenght spur gear crack groth root life prediction model planetary gear mesh phasing friction coefficient ISO 6336 E-Axle applications load distribution NVH multi stage gear trains lubrication planetary gearbox meshing contact oil flow simulation CFD smart gear- 1–2 Foreword 1–2
- 67–108 Damage detection 67–108
- 109–156 Load capacity 109–156
- 157–190 Planetary gears: NVH 157–190
- 301–340 Load capacity 301–340
- 341–382 NVH: Impacts 341–382
- 383–428 Asymmetric gear geometry 383–428
- 485–536 CFD: Applications 485–536
- 537–582 Planetary gears: Design 537–582
- 583–632 NVH: Analysis 583–632
- 633–674 Smart gears 633–674
- 675–714 NVH 675–714
- 715–752 Lubrication 715–752
- 753–784 Efficiency and friction 753–784
- 785–828 Efficiency: Gearbox 785–828
- 829–880 Bevel and hypoid gears 829–880
- 927–974 Design geometry 927–974
- 975–1016 Efficiency & friction 975–1016
- 1039–1286 Poster Exhibition 1039–1286
- 1287–1300 Sustainability 1287–1300
- 1301–1350 Tooth root strength 1301–1350
- 1351–1388 Fibre reinforcement 1351–1388
- 1389–1434 NVH 1389–1434
- 1469–1514 Gear geometry and calculation 1469–1514
- 1547–1580 Tribology and thermal behavior 1547–1580
- 1581–1858 Gear Production 2023 1581–1858
- 1581–1606 Innovations in gear production 1581–1606
- 1607–1640 Software in gear production 1607–1640
- 1641–1698 Additive manufacturing 1641–1698
- 1699–1748 Materials in gear production 1699–1748
- 1787–1828 Gear metrology 1787–1828
- 1803–1820 Large gear metrology at PTB 1803–1820
- 1859–1876 Manufacturing processes 1859–1876
37 Treffer gefunden
- „... Lubricant Free Transmissions for the food industry – A Comparison Dipl.-Ing Andrej Wallinger ...” „... gears, magnetic gears and sintered gears, for their applicability in the food industry. 1 Introduction ...” „... Cleanliness and hygiene are becoming increasingly important in the food industry. Triggered by various ...”
- „... manufactured in WES, thus counteracting their failure. To be able to support industry in this metrological ...” „... gear metrology for the traceability of the gear parameters of profile and helix deviation [3, 4 ...” „... = 1000 mm Gears used in WES wind turbines have a diameter of up to 4 m. The next step forward was taken ...”
- „... distribution on the ring pins (0°input shaft angle)Fig. 4: Load distribution (0° input shaft angle)A comparison ...” „... , 2023 1115Fig. 6: Ring pin loads when disc flexibility is included (0° input shaft angle, 4 Nm torque ...” „... ) Fig. 7: Load distribution on disc (0° input shaft angle, 4 Nm torque)4. Cycloidal system modelling and ...”
- „... Technologies AG & Co. KG, Herzogenaurach, Germany AbstractIn recent years, the automotive industry has seen an ...” „... increase in sales for electric vehicles with their rise in popularity. The changes in the industry have ...” „... ranges of the 2FI’s Fast Fourier’s Transform (FFT) raw data with a resolution of 0.1 [µm]. The target is ...”
- „... Catena-X, a secure and standardized data exchange across the automotive industry. VDI-Berichte Nr. 2422 ...” „... stakeholders in the industry. An example of this is Catena-X, a secure and standardized data communication ...” „... network in the automotive industry. Catena-X facilitates efficient and secure data exchange between ...”
- „... 93.4 111.2 89.5 57.8 241.5 78.2 Root diameter (generated) 𝑑 mm 83.5 101.3 79.6 42.7 226.0 63.1 ...” „... study, the default values ( 𝑖𝑛 1.0, and 𝑑 10,000) were used. 4. Design optimization results Objective ...” „... by incorporating multibody simulationsDr. Daehyun Park, Dr. Ali Rezayat, Siemens Industry Software ...”
- „... industry are required to withstand off-design conditions such as loss of lubrication (LOL) for a specified ...” „... the aviation industry are continuously pushed to new and extreme limits. Gears in rotorcraft ...” „... loss of lubrication condition are mainly based on experimental testing. [1] [2] [3] [4] [5] Depending ...”
- „... . Introduction Large gear sets that are used in the industry are followed with specific problems compared to ...” „... time which is very favourable for industry. Every change of the gear as well as normal maintenance has ...” „... 's modulus (N/mm²) 206000 Poisson's ratio 0.300 Thermal imaging Thermal imaging of two gears are given in ...”
- „... used processes for wind industry gears as required in IEC 61400-4 [6]. This guiding is mainly developed ...” „... wind industry gearboxes, gears are developed according to ISO 6336 standards with required safeties as ...” „... listed in IEC 61400-4 [6]. VDI-Berichte Nr. 2422, 2023 1267While increasing the torque density on gears ...”
- „... advantages concerning the sustainability of the automotive industry in series production. VDI-Berichte Nr ...” „... environmental protection targets can only be achieved if road traffic and the automotive industry also make a ...” „... globally well-known solution provider in the field of cold forming for the automotive industry. With 100 ...”
- „... electromobility impose new demands on the gear Industry in terms of materials, design and manufacturing. In this ...” „... phenomena with the gear manufacturing chain places a significant challenge to the gear industry. Therefore ...” „... stress state. VDI-Berichte Nr. 2422, 2023 18452. IntroductionThe gear industry faces unprecedented ...”
- „... load distribution and optimal modifications for gear systems, Journal of Engineering for Industry 95 (4 ...” „... of gear dynamics has been a great research topic for decades [2, 3, 4, 5] and is still ongoing [6, 7 ...” „... industry, the marine industry is also experiencing an increase in the application of electric motors. As a ...”
- „... Manufacturing (AM), considered one of the technological pillars of Industry 4.0, can enable solutions in terms ...” „... . [3] Dilberoglu, UM. et al.: The Role of Additive Manufacturing in the Era of Industry 4.0. Procedia ...” „... of materials and product design with geometric freedom [3,4]. Indirect Selective Laser Sintering ...”
- „... Mechanical polishing 2 0.068 0.496 4 WC/C coated gears Mechanical polishing + WC/C coating 2 0.169 1.306 Gear ...” „... be between 99.4% and 99.7%, with a repeatability error being rated to be around 0.010% – 0 ...” „... from spur gears [4], testing helical gears would be more representative to many real applications ...”
- „... simulation starts at standstill (0 km/h). Figure 4 presents torques and speeds time histories: Fig. 4: Time ...” „... improve the comfort. The first noise is a kind of rattling that happens when reducer torque crosses 0 Nm ...” „... a time domain tool widespread in the automotive industry: VDI-Berichte Nr. 2422, 2023 1231Fig. 3 ...”
- „... Euation (3), Euation (4) respectively. 𝑛1𝑁𝑒𝑥 𝑖2𝜋𝑛 /𝑁 , 𝑛 0, 1, 2, … (3) 𝑛 𝑒𝑥 𝑖2𝜋𝑛 /𝑁 ...” „... , 0, 1, … , 𝑁 1 (4) Deviation of the working surfaces of all N teeth at a generic point is formed ...” „... . It is proven that TE is the principal source of vibration through several previous studies[1-4]. Gear ...”
- „... of large bevel gear drives, for example those in the marine industry, are sometimes disappointing ...” „... industry applications where pitch diameters are in the range 600 to 2000 mm and normal modules from 10 to ...” „... diameters around 150 mm and normal modules of 4 to 5. VDI-Berichte Nr. 2422, 2023 897During the last five ...”
- „... .5 20.0 14 72.0 82.4 Wheel 24 108.0 118.4 Table 2: FVA-Reference-Oils [6] Parameter Unit Symbol FVA2 ...” „... distribution in transmissions is currently mostly simulated in the industry using volume based CFD methods ...” „... interact with the surrounding particles within a region controlled by a smoothing function [4]. A key ...”
- „... Module 4.34 mm Pressure angle 20 deg Tooth width 10 mm 12 mm Profile shift coefficient 0.1 0.1 Heat ...” „... . Introduction Recently, the trend of EV shift in the automobile industry has been increasing. The motor drive ...” „... utilized in actual gear designs but is limited by the fixed roughness Rz = 4 µm. The O’Donoghue, Schoeder ...”
- „... noise and, most specifically, that a small negative variation produces the lowest emitted noise [4]. The ...” „... pulses of the encoder signals. For all cases, the acquisition frequency has been set to 4 MS/s/ch while ...” „... the acquisition time has been set to 4 s. As for the noise, eight microphones were used: six of them ...”
- „... gear set.4: Evolution of different temperatures (300 rpm 0Nm)5: Evolution of oil and fixed temperature ...” „... Output torque (Nm) input speed ( tr/min) 0N.m 200Nm 400Nm300 1,1 - - 600 -1,6 - -1,4 1200 -3,1 -2,2 ...” „... to reduce test time and cost. Planetary gear sets are widely used in industry, whether in automotive ...”
- „... . !" #$#%&'(#%)*+,+#+$( -./0 +(-+123 4 #5#6 0--VDI-Berichte Nr. 2422, 2023 1583Focus of the presentationIn theory complete ...” „... elements Automation brings benefit.Fig. 3: Characterization of Complete MachiningThe main industry sectors ...” „... machining, see Fig. 4. The disadvantage of the 6-jaw chuck is the reduced contact area between the workpiece ...”
- „... variation of the torque of 0.2 Nm, 0.4 Nm and 0.8 Nm was carried out at the highest speed of 3000 rpm. Here ...” „... associated reduction of greenhouse gas emissions such as CO2 emissions. In the automotive industry, for ...” „... carbide) transistors [4, 5]. The purpose of these is to VDI-Berichte Nr. 2422, 2023 67realise a high speed ...”
- „... transmission from an antenna), Proc. SPIE 10973, Smart Structures and NDE for Energy Systems and Industry 4.0 ...” „... mm, turn number 2, a line width of 0.4 mm, and a pitch of 1 mm. A ground (GND) part with an outer ...” „... , 2023 6654. Results 4.1 Initial change of smart gear’s return loss (0-60 min) Figure 8 shows the change ...”
- „... rack Gear module, m / mm 4.5 Pressure angle, / ° 20 Root radius coefficient 0.38 Addendum coefficient ...” „... 46.5 53.2 T2B 67.0 74.3 52.9 64.4 T1B 54.8 57.2 48.0 55.6 T2A 45.2 41.6 43.1 45.7 T1A 30.4 30.4 33.3 ...” „... over metallic ones. Some of those advantages that attract the industry’s attention are the lower ...”
- „... Micro Geometry Feature Value Pinion / µm Value Gear / µm Lead angle -34.5 ± 4.0 -45.0 ± 4.0 Profile ...” „... beveloid gears in various applications. 4. State of the Art The chapter describes the state of the art ...” „... back-to-back test rig according to ISO 14635 [2]. 4.1. Calculation of the load carrying capacity with FE-based ...”
- „... . Especially in industrial processes, like e.g. the gearbox industry, there is a high potential to make a ...” „... ] can be used, for economic aspects the lifecycle costs (LCC) according to DIN EN 60300 [4] are an ...” „... values can be derived. Therefore additional methods are necessary for deriving the results. Fig. 4 shows ...”
- „... ² 210000 3100 Poisson’s ratio 0.3 0.4 Permissile bending stress FP in N/mm² 1650 35 The investigations are ...” „... 22 20 a in mm 91.5 in ° 20.0 in ° 0 0 -25.6 25.6 df in mm 70.4 106.9 65.3 101.8 66.3 101.4 da in mm ...” „... .25 0.25 Material Steel Plastic Steel Plastic Steel Plastic 4. Comparison of calculation results 4 ...”
- „... shaking the foundations of automotive powertrain development, as the automotive industry can no longer ...” „... create representative digital twin models of their transmission systems [2, 3, 4]. Numerical methods to ...” „... flank profiles (left) are given in Fig. 3. Fig. 4 present the lightweight gear wheel blank design for ...”
- „... CrN-CuNb16-4) with a relative density of 0,rel 99 % regarding the tooth bending strength. The reliability ...” „... gears made of stainless steel 17-4PH (X5CrN-CuNb16-4) with a relative density of 0,rel 99 % in terms of ...” „... addition, the endurance strength of cold rolled gears made of 17-4PH ( 0,rel 93.98 %) is determined in ...”
- „... A.V. et al. [4] determined the optimal thickness of the deposited material layer, which would ensure ...” „... . Motivation of study With the increasing use of plastic gears in the industry, it has been researched the ...” „... facewidth, respectively. Measurements made on the profile and lead were performed on 4 teeth for each gear ...”
- „... automotive industry continues towards the development of vehicles with elec-trified powertrains in order to ...” „... and designing modifications using the static loaded transmission error [1, 4–11], but few dynamic ...” „... εα = 2.0 show low noise excitations [22]. In case of helical gears, the meshing is carried out ...”
- „... systems often marketed under the term "Industry 4.0" is the low demand for the existing IT infrastructure ...”
- „... , Technical University of Munich, Garching Abstract Current challenges for today's industry are an increase in ...” „... gear design literature. Authors of standard literature such as Niemann and Winter [4] and Linke et al ...” „... accordance with the transverse module from ISO 21771 [24]: m= d1z1= 2 ez1. (4)With the same underlying circle ...”
- „... 268 190 E Mixed 71.2 68.4 22.1 23.0 21.6 51.6 318 269 Urban 15.8 14.5 4.54 4.77 3.74 18.2 81 55.3 ...” „... 11.6 11.2 5.02 5.52 5.71 7.09 97.5 61.9 Total 26.6 26.0 12.3 13.4 13.8 14.9 265 162 VDI-Berichte Nr ...” „... ] Geitner M, Tobie T, Stahl K. FVA research project 610 IV, final report no. 1432 - Materials 4.0 ...”
- „... in the automotive industry, e.g. in electric cars, but also as industrial gear units in various ...” „... about the wetting of components, the power losses [2 - 4] and the heat dissipation of gear units, it is ...” „... , p0 the background pressure, c0 the artificial speed of sound, 0 a reference density and γ a fluid ...”
- „... viscosity is described using a power law. For /-≤/-01 2/- /-/-0 3 4 5 5 * /-/-06VDI-Berichte Nr ...” „... & Industry, vol. 18, no. 4, p. 412, 2017. [28] R. Quiban, C. Changenet, Y. Marchesse, F. Ville, and J ...” „... category of losses are the so-called load-independent power losses (subindex 0), that arise from the ...”