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face gears

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Image
Published: 01 September 2005
Fig. 15 Face gear terminology. (a) Cross-sectional view showing gear and pinion positions. (b) Relationship of gear teeth to gear axis More
Image
Published: 01 December 1999
Fig. 8.14 Comparison of bending fatigue strength of conventionally processed (cut/harden/lap) versus CBN ground (cut/harden/lap) spiral bevel gears. Test gear design specifications: hypoid design, 4.286 dp, 11 by 45 ratio, 1.60 in. face. Gears were installed in axles using a 4-square loaded More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250001
EISBN: 978-1-62708-345-4
... including prehardening processes, through hardening, and case hardening processes. bevel gears face gears gear design heat treating helical gears herringbone gears hypoid gears internal gears spiroid gears spur gears worm gears GEARS are machine elements that transmit rotary motion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250139
EISBN: 978-1-62708-345-4
..., process advantages, forms, tolerances, design, tooling, performance, quality control, and inspection of P/M gear manufacture. In addition, it presents examples that illustrate the versatility of the P/M process for gear manufacture. bevel gears face gears gears helical gears powder metallurgy...
Image
Published: 01 June 1985
Fig. 3-5. Spur gear, end face ground. Grinding severity tempered the entire face (revealed by nital etching) and checked the surface (revealed by magnetic-particle inspection). More
Image
Published: 01 June 1985
Fig. 3-3(a). A massive flat inclusion parallel to the top face of a spur gear tooth at a distance of 0.228 in. from the surface. This inclusion gave a sharp sonic indication for a distance of 1/2 in. along the tooth length. 3% nital etch, 200├Ś. More
Image
Published: 01 June 1985
Fig. 3-7. End face nital-etched pattern of an induction hardened internal gear, showing two tooth spaces that had not been hardened. More
Image
Published: 01 September 2005
Fig. 2 Lines of contact on a stepped spur gear. The heavy line on a tooth face of each gear section represents the instantaneous line of contact for that section. This offset-contact pattern is typical for helical, spiral bevel, and hypoid gears. Lines on tooth faces are lines of contact. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250293
EISBN: 978-1-62708-345-4
... straight across the face of the gear blank, and the mating teeth theoretically meet at a line of contact ( Fig. 1a ) parallel to the shaft. Straight teeth of bevel gears also make contact along a line ( Fig. 1b ) that, if extended, would pass through the point of intersection of the two shaft axes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
..., and milling processes for manufacturing spur and helical gears and in the face milling and face hobbing of bevel gears. A wide variety of machines are used to cut gear teeth. As shown in Fig. 1 , there are four more or less distinct ways to cut material from a gear blank so as to leave a toothed wheel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320175
EISBN: 978-1-62708-347-8
... tube units. Wide-faced gearing is heated by scanning-type equipment, while more limited areas can be heated by stationary inductors. Parts are rotated when encircling coils are used. Induction heating depth and pattern are controlled by frequency, power density, shape of the inductor, workpiece...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250249
EISBN: 978-1-62708-345-4
... generator sets or solid-state units. Finer-pitch gearing uses encircling coils with power provided by high-frequency vacuum tube units. Wide-faced gearing is heated by scanning-type equipment, while more limited areas can be heated by stationary inductors. Parts are rotated when encircling coils are used...
Image
Published: 01 September 2005
Fig. 35 Carburized AMS 6260 steel gear damaged by adhesive wear. (a) Overall view of damaged teeth. (b) Etched end face of the gear showing excessive stock removal from drive faces of teeth More
Image
Published: 01 August 2005
Fig. 12 (a) Damage involving both plastic flow and destructive pitting on teeth of a carburized AMS 6260 steel gear. (b) Etched end face of the gear, showing excessive stock removal from drive faces of teeth More
Image
Published: 01 September 2005
Fig. 1 Tooth contact lines on a spur gear (a), a bevel gear (b), and a low-angle helical gear (c). Lines on tooth faces of typical teeth are lines of contact. More
Image
Published: 01 September 2008
Fig. 29 Large gear that showed evidence of cracking. (a) As-received gear. (b) Crack evident on gear face. (c) Region after temper etching showing evidence of abusive grinding More
Image
Published: 01 September 2005
Fig. 42 Fatigue fracture of AISI 4140 bull gear due to improper heat treatment. The one-of-a-kind replacement gear had a service life of just 2 weeks. Heat treatment did not produce full hardness in gear teeth. Hardness at tooth face, 15 HRC; at tooth core, 82 HRB. (a) Outside diameter of gear More
Image
Published: 01 August 2015
Fig. 10.12 Dual-frequency process for hardening of a shaft/helical wide-face internal gear from normalized AISI 4340. (a) Component with the teeth located on inside and an etched portion of as-hardened section. Minor gear diameter, 175 mm (6.9 in.); major circular diameter, 186 mm (7.3 More
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Published: 01 September 2008
Fig. 23 Magnetic particle inspection of the failed pinion gear showed arc-shaped cracks on the gear tooth faces. More
Image
Published: 01 June 1985
as it should be under full load. It should show slight relief at the ends and along the face and flank of the teeth. There should be no load concentration at the extreme edges of the teeth. (c) through (e) show differences in spiral angle between the gears tested. (f) through (h) show differences in pressure More