1-20 of 23 Search Results for

cylindrical spiral gear

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
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001844
EISBN: 978-1-62708-241-9
...Abstract Abstract A cylindrical spiral gear, part of a locomotive axle assembly, cracked ten days after it had been press-fit onto a shaft, after which it sat in place as other repairs were made. Workers at the locomotive shop reported hearing a sound, and upon inspecting the gear, found...
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
..., the set is called a miter gear set. Any change in the number of teeth will change speed as well as direction. Fig. 6 Four types of bevel gears. See text for discussion. Fig. 7 Angles and terminology for straight bevel gears. Spiral Bevel Gears Spiral bevel gears ( Fig. 6b ) have...
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 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.a0003573
EISBN: 978-1-62708-180-1
...Inelastic cycle buckling of cylindrical specimens of cold-worked 1020 steel Table 1 Inelastic cycle buckling of cylindrical specimens of cold-worked 1020 steel Peak stress Stress cycles Failure mode MPa ksi At buckling At failure 600–648 87–94 1 4 1 4...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... assembly in which gear teeth deformed because of faulty design and low core hardness. Details A and B show deformed areas on drive-gear teeth and mating internal splines. Dimensions given in inches Fig. 8 Two spiral power springs from a textile machine; (a) is an acceptable part, whereas (b) took...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... Analysis of Journal Bearings Used in Sugar Mills , Eng. Fail. Anal. , Vol 18 , 2011 , p 2093 – 2103 10.1016/j.engfailanal.2011.06.016 On the basis of geometric shapes, sliding bearings ( Fig. 1 ) are classified into flat, cylindrical, and spherical bearings. Flat sliding bearings include...
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
... and a Numerical Traction Model , Proc. Inst. Mech. Eng. , Vol 222 , 2008 , p 797 – 806 10.1243/13506501JET447 130. Simon V. , Load Distribution in Spiral Bevel Gears , ASME J. Mech. Des. , Vol 129 , 2006 , p 201 – 209 10.1115/1.2406090 131. Gorla C. , Rosa F. , Conrado...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... region of a bearing or on the surface of high-speed gear teeth. Its appearance is shown in Fig. 9 . Cavitation may be reduced by using fatigue-resistant metals, by increasing the lubricant viscosity, and by increasing the pressure in the system. Entrained air or water in oil can increase...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... lubrication or fit can cause wear that distorts components. Grain flow is often a feature of wear, but in very hard components, the grain flow may be difficult to discern ( Fig. 29 ). Fig. 29 (a) Phosphor bronze worm gear with worn teeth. (b) Original shape of tooth. Ferric chloride etch. (c) Worn...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... capacities than ball bearings for a given envelope size and are usually used in moderate-speed heavy-duty applications. However, in recent years, improved materials and special designs have allowed use of cylindrical and tapered-roller bearings in high-speed applications. The principal types of roller...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... by torsional fatigue. (a) Shear groove designed to protect gear mechanism from sudden overload. Dimensions are in inches. (b) Star-shaped pattern on a fracture surface of the shaft. (c) Longitudinal and transverse shear cracks on the surface of the shear groove, which resulted from high peak loads caused...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... transforms after the surface and before the stress reversal ( Ref 8 ). This is illustrated, in Fig. 12 . If the steel transformation occurs before the thermal stress maximum (sequence 4 in Fig. 12 ), the ferrite/pearlite structure of a cylindrical test specimen is distorted into a barrel shape ( Ref 6...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... brittle fracture connecting rods contact fatigue corrosion distortion ductile fracture failure investigation fatigue failures fatigue properties metallurgical factors piston rods shafts surface coatings torsional fatigue A SHAFT is a metal bar—usually cylindrical in shape and solid...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... Axial smear marks on raceway and/or rolling elements of cylindrical and spherical roller bearings Mounting under load; inner and outer rings forcibly assembled out of square with each other; axial displacement between inner and outer rings while under load Axial smear marks on spherical raceway...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... for deformation and fracture. Next, the mechanisms of void nucleation and void coalescence are briefly described. Macroscale and microscale appearances of ductile and brittle fracture are then discussed for various specimen geometries (smooth cylindrical and prismatic) and loading conditions (e.g., tension...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... article in this Volume, “Fracture Appearance and Mechanisms of Deformation and Fracture.” In a smooth cylindrical tensile specimen, failure most commonly initiates by inclusion-matrix interface debonding near the centerline. This results in a central fibrous region that is normal to the applied load...
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
...Abstract Abstract The types of metal components used in lifting equipment include gears, shafts, drums and sheaves, brakes, brake wheels, couplings, bearings, wheels, electrical switchgear, chains, wire rope, and hooks. This article primarily deals with many of these metal components of lifting...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
... be remembered that some parts are designed to fracture under certain circumstances. Not doing so may constitute the failure. Shear pins, for example, are commonly used to protect valuable equipment by acting as mechanical fuses. Stress directors in helicopter gearing are also designed so that if gear tooth...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... by acting as mechanical fuses. Stress directors in helicopter gearing are also designed so that if gear tooth fracture occurs, only half the tooth breaks off. This leaves the other half of the gear tooth to carry the load, simultaneously creating sufficient vibration to warn the pilot of imminent 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 hooks, chains, wire rope, slings, beams, bales, and trunnions; and built-in members such as shafts, gears, and drums. chains cranes failed shafts hooks lifting equipment wire rope LIFTING EQUIPMENT is used for raising, lowering, and transporting materials, parts, and equipment, generally...