1-20 of 26 Search Results for

bevel gears

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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.rail.c9001496
EISBN: 978-1-62708-231-0
... Abstract A failed spiral gear and pinion set made from 4320H Ni-Cr-Mo alloy steel operating in a high-speed electric traction motor gear unit driving a rapid transit train were submitted for analysis. The pinion was intact, but the gear had broken into two sections that resulted when two...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001500
EISBN: 978-1-62708-221-1
... Abstract A ‘worn-out’ spiral bevel gear and pinion set was submitted for examination and evaluation. This was a spiral bevel drive set with the gear attached to a differential. The assembled unit was driving a new, large, experimental farm tractor in normal plowing and tilling operations...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001023
EISBN: 978-1-62708-214-3
... Fig. 1 Defective ATAR engine accessory angle drive splined shaft and gear assembly. The bevel gear (arrow) was free to rotate on the shaft. ∼.34×. Fig. 2 Accessory angle drive components: S, splined shaft; G, bevel gear, R, support ring, N, castellated nut. Note severe fretting wear...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0047964
EISBN: 978-1-62708-223-5
... Abstract Drastic reduction in the service life of a production gearbox was observed. Within the gearbox, the axial load on a bevel gear (8620 steel, OD 9.2 cm) was taken by a thrust-type roller bearing (3.8 cm ID, 5.6 cm OD) in which a ground surface on the back of the bevel gear served...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048261
EISBN: 978-1-62708-225-9
... Abstract The gear of a spiral bevel gear set broke into three pieces after about two years of service. The gear (made of 4817 steel) broke along the root of a tooth intersected by three of the six 22-mm diam holes used to mount the gear to a hub. Fatigue progression for about 6.4 mm...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001497
EISBN: 978-1-62708-221-1
... Abstract A spiral bevel gear set in the differential housing of a large front-end loader moving coal in a storage area failed in service. The machine had operated approximately 1500 h. Although the failure involved only the pinion teeth, magnetic particle inspection was performed on each part...
Image
Published: 01 June 2019
Fig. 1 Carburized 4817 steel spiral bevel gear. The gear broke from fatigue at acute-angle intersections of mounting holes and tooth-root fillets as a result of through hardening. Dimensions given in inches More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001077
EISBN: 978-1-62708-214-3
... Fig. 1 Carburized AISI 19310 spiral bevel gear with two fractured teeth. Fig. 2 Closeup view of two fractured teeth, showing complex topography of fracture surfaces. Direction of crack propagation was generally from the convex, or drive, side of teeth to the concave, or coast, side...
Image
Published: 01 December 1992
Fig. 2 Accessory angle drive components: S, splined shaft; G, bevel gear, R, support ring, N, castellated nut. Note severe fretting wear damage to the shaft splines (open arrow)and the mating bevel gear splines (B). ∼.38×. More
Image
Published: 01 December 1992
Fig. 1 Carburized AISI 19310 spiral bevel gear with two fractured teeth. More
Image
Published: 01 December 2019
Fig. 3 Witness marks (red arrow) on the beveled gear teeth indicating hard contact on one side (Color figure online) More
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
... Abstract This article first reviews variations within the most common types of gears, namely spur, helical, worm, and straight and spiral bevel. It then provides information on gear tooth contact and gear metallurgy. This is followed by sections describing the important points of 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
... of internal gear and mating pinion Rack A rack is a gear whose teeth lie in a straight line (pitch circle of infinite radius). The teeth may be at right angles to the edge of the rack and mesh with a spur gear ( Fig. 1b ) or may be at some other angle and engage a helical gear ( Fig. 2b ). Bevel...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001754
EISBN: 978-1-62708-241-9
... As-received photographs of the primary hardware of interest in the investigation: ( a ) beveled gear, ( b ) sleeve, ( c ) outer race, ( d ) inner race, ( e ) rolling elements, ( f ) generic schematic of assembly Fig. 2 Examples of contact wear and gouging on one side (see black arrows) of the mating...
Image
Published: 01 December 1992
Fig. 1 Defective ATAR engine accessory angle drive splined shaft and gear assembly. The bevel gear (arrow) was free to rotate on the shaft. ∼.34×. More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001795
EISBN: 978-1-62708-241-9
... failure analysis work in the laboratory and for permitting us to publish the case study. Acknowledgments The damage observed on the outer race and balls of the failed bearing was identified as flaking. Incorrect mounting of the bearing onto the shaft of the bevel gear resulted in preferential...
Image
Published: 01 December 2019
Fig. 1 As-received photographs of the primary hardware of interest in the investigation: ( a ) beveled gear, ( b ) sleeve, ( c ) outer race, ( d ) inner race, ( e ) rolling elements, ( f ) generic schematic of assembly More
Image
Published: 01 December 1992
Fig. 3 Higher-magnification view of damage to the shaft splines. Remnants of the silver alloy plating (S) are visible on undamaged portions of the splines. Fretting damage is also visible on the shaft face adjacent to the splines (F) and on the bevel gear abutment face (G). 1.6×. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048273
EISBN: 978-1-62708-225-9
... Abstract Several teeth of a bevel pinion which was part of a drive unit in an edging mill failed after three months in service. Specifications required that the pinion be made from a 2317 steel forging and that the teeth be carburized and hardened to a case hardness of 56 HRC and a core...