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Keywords: Gears
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Proceedings Papers

Proc. ASME. IDETC-CIE2023, Volume 11: 2023 International Power Transmission and Gearing Conference (PTG), V011T11A023, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-111108
... Abstract Geared turbofans need to withstand loss of lubrication due to inevitable off-design conditions. Additionally, loss of lubrication specifications that have to be fulfilled are getting stricter. For a loss of lubrication event, today’s geared turbofans are equipped with secondary oil...
Proceedings Papers

Proc. ASME. DETC89, 15th Design Automation Conference: Volume 2 — Design Optimization, 145-151, September 17–21, 1989
Publisher: American Society of Mechanical Engineers
Paper No: DETC1989-0084
...A PROCEDURE USING MANUFACTURING VARIANCE TO DESIGN GEARS WITH MINIMUM TRANSMISSION ERROR S. Sundaresan, K. Ishii, and D. R. Houser Gear Dynamics and Gear Noise Research Laboratory Department of Mechanical Engineering The Ohio State University Columbus, Ohio ABSTRACT . . This paper ~e~s...
Proceedings Papers

Proc. ASME. DETC97, Volume 5: 17th Computers in Engineering Conference, V005T32A070, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/CIE-4442
... Abstract Motion simulation of mechanism of line contact like gears and cams has been difficult in the past. With Working Model, NURBS based complex geometry can be modeled fairly easily, and its simulation engine can animate this type of mechanism accurately. In this paper several Working Model...
Proceedings Papers

Proc. ASME. IDETC-CIE2000, Volume 6: 8th International Power Transmission and Gearing Conference, 119-129, September 10–13, 2000
Publisher: American Society of Mechanical Engineers
Paper No: DETC2000/PTG-14373
... Abstract Previous research provides qualitative evidence that an improved surface finish can increase the surface fatigue lives of gears. To quantify the influence of surface roughness on life, a set of AISI 9310 steel gears was provided with a near-mirror finish by superfinishing. The effects...
Proceedings Papers

Proc. ASME. IDETC-CIE2000, Volume 6: 8th International Power Transmission and Gearing Conference, 647-653, September 10–13, 2000
Publisher: American Society of Mechanical Engineers
Paper No: DETC2000/PTG-14436
... Abstract A computer simulation was conducted to investigate the effectiveness of profile modification for reducing dynamic loads in gears with different tooth spacing errors. The simulation examined varying amplitudes of spacing error and differences in the span of teeth over which the error...
Proceedings Papers

Proc. ASME. IDETC-CIE2000, Volume 6: 8th International Power Transmission and Gearing Conference, 723-730, September 10–13, 2000
Publisher: American Society of Mechanical Engineers
Paper No: DETC2000/PTG-14446
... Abstract The use of plastic gears is expanding in many different markets. Their application is cost-effective when produced on a large scale using a net-shape process such as injection molding. However, variables in the molding process have a direct impact on final gear geometry. In this paper...
Proceedings Papers

Proc. ASME. IDETC-CIE2001, Volume 5: 15th Reliability, Stress Analysis, and Failure Prevention Conference; International Issues in Engineering Design, 1-7, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/RSAFP-21741
... in that the material data is still relatively simple to generate and the calculations are straightforward. Crack initiation crack propagation cumulative damage bending fatigue gears Proceedings of DETC'01 ASME 2001 Design Engineering Technical Conferences and Computers and Information in Engineering...
Proceedings Papers

Proc. ASME. IDETC-CIE2020, Volume 6: 25th Design for Manufacturing and the Life Cycle Conference (DFMLC), V006T06A014, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22236
... Abstract Metal gears can transmit large torque. The disadvantages associated with metal gears are the noise produced and necessity of lubricants. Plastic gears are advantageous because they are lightweight and can be used without lubricants. However, plastic gears have relatively low strengths...
Proceedings Papers

Proc. ASME. IDETC-CIE2019, Volume 10: 2019 International Power Transmission and Gearing Conference, V010T11A008, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97405
... Abstract The load carrying capacity of highly loaded gears can be increased by thermochemical surface treatments such as nitriding or case hardening. In contrast to case hardening, the nitriding treatment is carried out at lower process temperatures and therefore creates lower distortion...
Proceedings Papers

Proc. ASME. IDETC-CIE2019, Volume 10: 2019 International Power Transmission and Gearing Conference, V010T11A041, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97439
... Abstract Gear pairings often run under very high loads. That can result in different kinds of failure modes limiting their lifetime. Many of the known gear failure modes are tribologically influenced. Especially for gear pairs running with lower circumferential speeds or with different surface...
Proceedings Papers

Proc. ASME. IDETC-CIE2003, Volume 4: 9th International Power Transmission and Gearing Conference, Parts A and B, 635-644, September 2–6, 2003
Publisher: American Society of Mechanical Engineers
Paper No: DETC2003/PTG-48081
.... This ‘ stress wave energy ’ is then measured and tracked against normal machine operating conditions. This paper describes SWAN theory of operation, as well as case histories on several diverse types of aircraft and industrial gears. It documents SWAN’s ability to: 1) accurately detect a broad range...
Proceedings Papers

Proc. ASME. IDETC-CIE2003, Volume 4: 9th International Power Transmission and Gearing Conference, Parts A and B, 1035-1049, September 2–6, 2003
Publisher: American Society of Mechanical Engineers
Paper No: DETC2003/PTG-48125
... 24 06 2008 Gear micropitting has been a highly visible issue in selected applications in recent years, most notably in large wind turbine transmissions. Various industry groups have addressed the problem from their own area of expertise. This has included evaluation of the gear design...
Proceedings Papers

Proc. ASME. IDETC-CIE2003, Volume 4: 9th International Power Transmission and Gearing Conference, Parts A and B, 859-868, September 2–6, 2003
Publisher: American Society of Mechanical Engineers
Paper No: DETC2003/PTG-48106
... 24 06 2008 The paper discusses the calibration and measurement uncertainty requirements of the UK gear industry. It makes particular reference to the new ISO documents: Draft ISO 18653 and draft TR 10064-5 that are being developed by ISO TC60/WG2 that describe the calibration of gear...
Proceedings Papers

Proc. ASME. IDETC-CIE2003, Volume 4: 9th International Power Transmission and Gearing Conference, Parts A and B, 949-955, September 2–6, 2003
Publisher: American Society of Mechanical Engineers
Paper No: DETC2003/PTG-48116
... 24 06 2008 An experimental and analytical comparison of the efficiency of high-speed helical gear trains is presented. Analyses of the gearing losses were conducted. Test data from a helical gear train at varying speeds and loads (to 3730 kW (5,000 hp) and 15,000 rpm) was collected...