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gear lapping

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By Pel Lynah
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002154
EISBN: 978-1-62708-188-7
... steel, bronze, cast iron, stainless steel, aluminum, magnesium, brass, quartz, ceramics, plastics, and glass can be lapped on the same lap plate. Fig. 14 A 355 mm (14 in.) planetary fixed-plate dual-face lapping machine. The top plate has been removed to expose the center drive gear, ring...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005608
EISBN: 978-1-62708-174-0
...: Ref 2 Fig. 6 Typical setup for an electrode wire seam welding process showing positions of wire relative to grooved wheel Fig. 1 Types of lap joints. (a) Pressure-tight joint. (b) Nonpressure-tight joint Fig. 2 (a) Lap seam weld, (b) mash seam weld with flat electrodes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001365
EISBN: 978-1-62708-173-3
..., reinforced roll spot welding, and leak-tight seam welding. It provides information on the applications of lap seam weld, mash seam weld, and butt seam weld. The article reviews the advantages and limitations of seam welding compared to resistance spot welding, projection welding, and laser welding...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002145
EISBN: 978-1-62708-188-7
.... The teeth can be lapped, and they can be shaved without too much difficulty, although ordinarily shaving is not used. The face gear tooth changes shape from one end of the tooth to the other. The face width of the gear is limited at the outside end by the radius at which the tooth becomes pointed...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
... of an Aircraft Crankshaft Gear Connection , J. Fail. Anal. Prevent. , Vol 12 , 2012 , p 617 – 623 10.1007/s11668-012-9625-6 25. “ Aircraft Accident Report, Lake Central Airlines, Inc., Allison Prop-Jet Convair 340, N73130, Near Marseilles, Ohio, March 5, 1967 ,” Aircraft Accident Report NTSB AAR68 AC...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... to fracture of metals, including laps, seams, cold shuts, cracks, inclusions, porosity, fatigue, and stress corrosion cracking. failure analysis fractography macroscopic examination microscopic examination stress corrosion cracking surface defects visual examination Aspects of Failure That Can...
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...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002173
EISBN: 978-1-62708-188-7
... angles) range from at least 30° up to 90° for lap cutting at fast speeds. Depths of cut to 75 mm (3 in.) are possible. Speeds range from 6 to 240 m/min (20 to 800 sfm), with feeds reaching as high as 6.4 mm/rev (0.250 in./rev) at low speeds. The effects of cutting parameters on tool life are reviewed...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... Backstop tongs (b) reduce amount of stock required for holding (a) and can eliminate a separate operation for trimming of excess stock Fig. 9 Tooling setup for upsetting and trimming a pinion gear blank. Two passes were necessary to prevent cold shuts. Dimensions given in inches Fig. 11...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001445
EISBN: 978-1-62708-173-3
... of planetary gears used in automobile powertrains. Planetary gear teeth are so closely spaced that it is difficult to access the weld joint without melting the neighboring gear teeth using conventional (arc) welding. This is one of the oldest LBW applications and it is routinely carried out worldwide...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004021
EISBN: 978-1-62708-185-6
... with no lap. Fig. 43 Two-dimensional flownet of a single tooth in a bevel-gear forming process. The top and bottom dies move together. Fig. 44 Two-dimensional flownet of a single tooth in a bevel-gear forming process. Only the top die moves in a downward direction. Fig. 45 Two...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005539
EISBN: 978-1-62708-197-9
... of the head region on a cold-formed automotive part. The bottom four images show the redesign with no lap Bevel gears are important components in the automotive industry, such as in transmission differentials. Many of these components are forged at a hot temperature to minimize the amount of load...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001230
EISBN: 978-1-62708-170-2
... to the next component fabrication department. A forged shaft may be cut, machined, or otherwise finished before it becomes an industrial component for use in an assembly process. After heat treatment, bearing or gear components may be ground to desired tolerances and surface quality before they are assembled...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... to fracture of metals, including laps, seams, cold shuts, cracks, inclusions, porosity, fatigue, and stress corrosion cracking. failure analysis fractography macroscopic examination microscopic examination stress corrosion cracking surface defects visual examination EXAMINATION...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005952
EISBN: 978-1-62708-168-9
... Transmission gears Ring gears Drive pinions (surface finished before treatment except for lapping operation) Increase carbon content at surface for greater wear resistance, load-carrying capability, and fatigue resistance. Clean surface after treatment Steering-arm bushings Valve rocker arms and rocker-arm...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005871
EISBN: 978-1-62708-167-2
... at low power setting, transverse direction. Original magnification: 100×. (d) Microstructure at low power setting, transverse direction. Original magnification: 400× Fig. 15 (a) Planetary ring gear with induction-hardened teeth. (b) Microstructure at tooth root with SAE 1045 steel. Original...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006108
EISBN: 978-1-62708-175-7
.... Joining processes and techniques can be developed to accommodate intermediate to high carbon levels that exhibit acceptable weld soundness and strength characteristics. For example, Fig. 7 illustrates a high-strength GMAW weldment between an FN-0205 steering gear and an AISI 1035 steel shaft using...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006468
EISBN: 978-1-62708-190-0
... discontinuities except in isolated areas Central conductors Miscellaneous short parts having holes through which a conductor can be threaded, such as bearing rings, hollow cylinders, gears, large nuts, large clevises, and pipe couplings No electrical contact, so that possibility of burning is eliminated...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001238
EISBN: 978-1-62708-170-2
... – 50 22. Dodd H.D. and Kumar K.V. , Technological Fundamentals of CBN Bevel Gear Finish Grinding, Technical Paper MR85-273 , Superabrasives '85 (Chicago), Society of Manufacturing Engineers , 1985 23. Kuhlman G.R. and Pardue B.S. , Correlation of Residual...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005941
EISBN: 978-1-62708-168-9
... factor of major importance in quench media selection is the level of distortion that can be tolerated. Gears are usually oil quenched to keep distortion as low as possible and to minimize differences from one heat of steel to another. If parts cannot be efficiently straightened after heat treatment...