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pinion shaft

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001790
EISBN: 978-1-62708-241-9
... Fig. 1 High-speed pinion shaft assembly in the as-received condition Fig. 2 Shaft section removed for examination Fig. 3 Mating shaft fracture surfaces Fig. 4 Mating shaft fracture surfaces after ultrasonic cleaning. Arrows denote initiation location. Fig...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001799
EISBN: 978-1-62708-241-9
...Hardness pinion shaft Table 2 Hardness pinion shaft Section Hardness, Hv Undamaged region 370 ± 3 Region under race ‘A’ 630 ± 5 Inner race ‘A’ 285 ± 4 Microhardness Table 3 Microhardness Section Hardness, Hv A B C Shaft 790±3 700±3...
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Published: 01 June 2019
Fig. 1 Fatigue-fracture surface and keyway of a broken 1030 steel pinion shaft. More
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Published: 01 December 2019
Fig. 1 High-speed pinion shaft assembly in the as-received condition More
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Published: 01 December 2019
Fig. 12 Stitched micrograph of pinion shaft at section showing an axial crack More
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Published: 01 December 2019
Fig. 13 Etched micrograph of pinion shaft showing ( a ) a diametrical crack and ( b ) boxed region in ( a ) at high magnification More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001498
EISBN: 978-1-62708-218-1
... Abstract One end of an axle shaft containing the integral spur pinion was submitted for examination, along with the report of a tooth pitting failure. The spur pinion, integral to the axle shaft, operated in a medium-size, off-highway truck at an open-pit mine, for “a relatively short time...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0048073
EISBN: 978-1-62708-224-2
... Abstract A drum pinion shaft (1030 steel) which was part of the hoisting gear of a crane (capacity 18,140-kg) operating in a blooming mill failed while lifting a 9070 kg load. Chatter marks, rough-machining marks, and sharp corner radii were revealed in the keyway which extended into a shoulder...
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Published: 01 December 2019
Fig. 2 Technical drawing of the reverse shaft, on which a pinion gear and jawed coupling are secured with multiple splines. The shaft has an outer diameter of 15 mm and root diameter of 12 mm at spline tooth More
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Published: 30 August 2021
Fig. 36 Fatigue-fracture surface and keyway of a broken grade 1030 steel pinion shaft More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001254
EISBN: 978-1-62708-225-9
... Abstract The specified elongation of 10% could not be achieved in several hollow pinion gear shafts made of cast Cr-Mo steel GS 35 Cr-Mo 5 3 that were heat treated to a strength of 90 kp/sq mm. The steel was melted in a basic 3 ton arc furnace and deoxidized in the furnace and in the pan...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001501
EISBN: 978-1-62708-221-1
... Abstract A spiral bevel gear and pinion set that showed "excessive wear on the pinion teeth" was submitted for analysis. This gear set was the primary drive unit for the differential and axle shafts of an exceptionally-large front-end loader in the experimental stages of development...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001551
EISBN: 978-1-62708-233-4
... Abstract A multi-million dollar, four-color printing press used to produce a major weekly magazine was breaking pinions (shouldered shafts) on rolls. The cause of fracture was cyclic fatigue. Steel quality and heat treatment met expected standards. The pinion fracture showed multiple origins...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001763
EISBN: 978-1-62708-241-9
... with cracks at root Fig. 2 Technical drawing of the reverse shaft, on which a pinion gear and jawed coupling are secured with multiple splines. The shaft has an outer diameter of 15 mm and root diameter of 12 mm at spline tooth Fig. 3 Finite element model of a spline shaft, consisting...
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Published: 01 December 2019
Fig. 4 Distribution of the von Mises stress of the shaft near the region secured with the pinion gear, where fracture occurred in a failed shaft (stress unit: MPa). ( a ) Maximum von Mises stress located at the root of spline tooth. ( b ) Twisted deformation of the spline teeth. Magnification More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0009190
EISBN: 978-1-62708-225-9
... Abstract In an industrial application, 24 speed-increaser gearboxes were used to transmit 258 kW (346 hp) and increase speed from 55 to 375 rev/min. The gears were parallel shaft, single helical, carburized, and ground. The splash lubrication system used a mineral oil without antiscuff...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001748
EISBN: 978-1-62708-225-9
... Abstract A pinion gear made of AMS 6470 steel, nitrided all over, lost internal splined teeth due to wear. Spline failure of the power turbine gear caused an engine overspeed and disintegration. Excessive spline wear resulted from a new coupling being mated during overhaul with a worn gear...
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
... Gears Bevel gears transmit rotary motion between nonparallel shafts that are usually at 90° to each other. Straight Bevel Gears Straight bevel gears ( Fig. 6a ) have straight teeth that, if extended inward, would intersect at the intersection of gear and pinion axes. Thus, the action between...
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
... helical gears. (These are sometimes colloquially called herringbone gears if there is no gap between the helixes.) The photo is of the intermediate shaft gear and pinion and the low-speed gear. With the helixes running in opposite directions, the axial thrust loads should balance each other...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001786
EISBN: 978-1-62708-241-9
... , 10th edn. ( ASM International , Materials Park , 1993 ) 5. Stevenson M.E. , McDougall J.L. , Bowman R.D. , Herman R.L. , Failure analysis of a high speed pinion shaft . J. Fail. Anal. Prev. 5 ( 2 ), 48 – 54 ( 2005 ) 10.1361/15477020522951 6. Beachem C.D...