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gear failure

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
...Abstract Abstract Gears can fail in many different ways, and except for an increase in noise level and vibration, there is often no indication of difficulty until total failure occurs. This article reviews the major types of gears and the basic principles of gear-tooth contact. It discusses...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... lubrication, the measurement of the backlash, and the necessary factors for starting the failure analysis. Next, the article explains various gear failure causes, including wear, scuffing, Hertzian fatigue, cracking, fracture, and bending fatigue, and finally presents examples of gear and reducer failure...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003327
EISBN: 978-1-62708-176-4
..., including modified staircase (“up and down”) tests Table 2 Results from a typical set of gear single-tooth fatigue tests showing overall testing sequence, including modified staircase (“up and down”) tests Legend: X, failure; O, runout. Specimen serial numbers 2, 4, and 6. Specimens cut from bar stock...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002375
EISBN: 978-1-62708-193-1
...Failure modes of gears Table 1 Failure modes of gears Failure mode Type of failure Fatigue Tooth bending, surface contact (pitting or spalling), rolling contact, thermal fatigue Impact Tooth bending, tooth shear, tooth chipping, case crushing, torsional shear Wear Abrasive...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005867
EISBN: 978-1-62708-167-2
...-speed gears, Internal ring gears, overhung transfer gears, sprockets Overheating can burn out graphite and increase crack potential at the edges. Porosity can lead to decreased fatigue strength and crack failure. Powder metallurgy (P/M) component High-volume production of components. Typically used...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006354
EISBN: 978-1-62708-192-4
...Abstract Abstract This article is concerned with gear tooth failures influenced by friction, lubrication, and wear, and especially those failure modes that occur in wind-turbine components. It provides a detailed discussion on wear (including adhesion, abrasion, polishing, fretting...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... ,” NASA Technical Memorandum 83074 , NASA , 1983 30. Gopinath K. and Mayuram M.M. , “ Gear Failure ,” https://www.coursehero.com/file/15215391/2-8/ , accessed Jan 10, 2019 31. “ Gears and Scuffing Wear Review ,” Engineers Edge , https://www.engineersedge.com/gears...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
... into the material. The balance of the fracture surface has a typical tensile failure pattern. SEM, 590× (J.H. Maker, Associated Spring, Barnes Group Inc.) Fig. 499 Fatigue fracture in an AISI 6150 steel spring leg of an aircraft main landing gear, heat treated to a minimum tensile strength of 1550 MPa...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004123
EISBN: 978-1-62708-184-9
..., hydraulic fluid, petroleum base; BFS, brake fluid, silicon; WTR, wide temperature range. Source: Ref 7 Fig. 8 M198 howitzer in “ready” position. Source: Ref 5 Fig. 9 Pressure washing of ammunition containers. Source: Ref 6 Fig. 1 Results of ring gear failure in the M198...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
... the wear failure of an antifriction bearing, a nylon driving gear, and a polyoxymethylene gear wheel. antifriction bearing cohesive wear elastomers glassy thermoplastics interfacial wear lubricant mechanical properties nylon nylon driving gear plastics polyoxymethylene gear wheel...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006476
EISBN: 978-1-62708-190-0
... Characterization of Materials II , Springer , 1987 , p 481 – 489 5. Ashby M.F. and Jones D.R.H. , Engineering Materials 2: An Introduction to Microstructures, Processing and Design , Pergamon , 1986 6. Blake G. , Margetts M. , and Silverthorne W. , Gear Failure...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002373
EISBN: 978-1-62708-193-1
...) at higher magnification Fig. 7 Shelly rail spall from wheel-rail contact fatigue. Source: Ref 5 Abstract Abstract Contact fatigue is a surface-pitting-type failure commonly found in ball or roller bearings. This article discusses the mechanisms of contact fatigue found in gears, cams...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
..., such as lifting lugs or eyes Built-in members that are the items necessary for the operation of lifting equipment, such as shafts, gears, and drums Most of the failures discussed are related to the more common and critical components of lifting equipment used in steel mills and similar industrial...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
... Coatings Example 2—Failure of an Acetal Gear Wheel This article was revised from Wear Failures of Plastics , Characterization and Failure Analysis of Plastics , ASM International, 2003, p 267–275. First synthesized in 1935 by Carothers ( Ref 48 ), nylon is one of the few very important...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005842
EISBN: 978-1-62708-167-2
...Abstract Abstract This article focuses on the frequently encountered causes of induction coil failures and typical failure modes in fabrication of hardening inductors, tooth-by-tooth gear-hardening inductors, clamshell inductors, contactless inductors, split-return inductors, butterfly...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003460
EISBN: 978-1-62708-195-5
..., Volume 21: Composites. Most of the information in this Section is geared toward organic-matrix composites, although there is some information on failure analysis and fractography of ceramic- and metal-matrix composites. Overview of Failure Analysis Coverage of this Section Any failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
..., such as lifting lugs or eyes Built-in members that are the items necessary for the operation of lifting equipment, such as shafts, gears, and drums Most of the failures discussed are related to the more common and critical components of lifting equipment used in steel mills and similar industrial...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002457
EISBN: 978-1-62708-194-8
... The gearbox sends information to the cockpit regarding torque, oil levels, drive speeds, etc. Detect failure A gear failure is detected through a metal chip detector installed inside the gearbox housing. This function is for safety only and does not affect the speed-reduction functions. Simplify...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002401
EISBN: 978-1-62708-193-1
... , American Society of Mechanical Engineers , 1992 8. “Appearance of Gear Teeth—Terminology of Wear and Failure,” ANSI/AGMA 1010-E96, 1996 9. Moyer C.A. , “Comparing Surface Failure Modes in Bearings and Gears: Appearances versus Mechanisms,” AGMA Tech. Paper, 91 FTM 6, 1991 10...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.9781627081672
EISBN: 978-1-62708-167-2