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automotive gears

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Published: 01 December 1999
Fig. 1 Failure regions of industrial and automotive spur and helical gears. (a) Through hardened, 180-350 HB. (b) Precision gears, surface hardened More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250077
EISBN: 978-1-62708-345-4
...-screw injection molding machine Fig. 8 Two-plate injection mold Fig. 9 Hot runner injection mold Abstract Plastic gears are continuing to displace metal gears in applications ranging from automotive components to office automation equipment. This chapter discusses...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250227
EISBN: 978-1-62708-345-4
... are not subjected to high shock loads or contact stress. It is useful for gears that need to maintain their surface hardness at elevated temperatures. Gears used in industrial, automotive, and aerospace applications are commonly nitrided. This chapter discusses the processes involved in gas, controlled, and ion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320189
EISBN: 978-1-62708-347-8
.... and Shelton C.H. , “Recent Test Data on Selection of Alloy Steels for Gears and Bearings,” Society of Automotive Engineers (SAE) Report 720301 , 1972 10.4271/720301 • Fugio H. and Aida T. , “Study on Gear Distortion Caused by Hardening,” ASME Paper 80-C2/DET-51 , American...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.9781627083478
EISBN: 978-1-62708-347-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770001
EISBN: 978-1-62708-337-9
... of industrial and automotive spur and helical gears. (a) Through hardened, 180-350 HB. (b) Precision gears, surface hardened Variability Over the past several decades, the steelmaking industry has moved from basic open-hearth steel manufacturing to processes such as VIM/VAR; consequently, the quality...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900013
EISBN: 978-1-62708-350-8
... process can offer many distinct advantages: If one considers the cost of scrap due to distortion and time spent straightening, nitriding is not an expensive process compared to carburizing. However, in terms of high-volume production requirements (e.g., automotive gears), nitriding does not always...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250001
EISBN: 978-1-62708-345-4
..., “Induction and Flame Hardening” Small, low-cost gears for toys Gears for office equipment Bicycle gears Appliance gears Machine tool gears Control gears Automotive gears Transportation gears Marine gears Aerospace gears Gears in the oil and gas industry Gears...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320017
EISBN: 978-1-62708-347-8
... of gears and the primary processes used, namely, through-hardening, carburizing and hardening, nitriding, carbonitriding, and induction hardening. Major Heat Treat Processes A great majority of industrial, automotive, and aerospace gears are heat treated by one of the following processes: GEAR...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250129
EISBN: 978-1-62708-345-4
...) with 1 mm (0.04 in.) of stock allowance on the tooth profile for finish machining, it weighs 17 kg (37 lb). Source: Presrite Corporation Fig. 11 Fatigue data for (a) cut gears and (b) near-net shape forged gears. Source: Ref 8 Fig. 9 Near-net shape automotive flywheel made by high...
Image
Published: 01 November 2013
Fig. 1 Typical powder metallurgy (P/M) parts used in automotive industry. (a) Carriers for planetary pinion gears. (b) Powder forged one-way clutch races. (c) Sensor rings for anti-lock brakes. Source: Ref 1 – 3 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320195
EISBN: 978-1-62708-332-4
...) introduction of the hypoid gears in the automotive industry. Figure 10.25 ( Ref 7 ) is a picture of GM’s hypoid gear set. GM used hot oil as a quenching liquid and limited the quench temperature to 243 °C (469 °F). The matrix was a mixture of ausferrite and martensite with a hardness of 47 Rockwell C. Gears...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
... engine pumps, dental instruments, surgical tools, nuclear fuel rods, transmission gears and engine timing components, medical implants, injection molding inserts with conformal cooling channels, and automotive turbochargers. Figure 1.2 provides pictures of some examples. Fig. 1.2 Several...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050191
EISBN: 978-1-62708-311-9
... could overheat the surface. SAE, Society of Automotive Engineers. Source: Ref 4 Tooth-by-tooth hardening is used almost exclusively with large gears. It can be used to harden tip-by-tip or gap-by gap. Tip-by-tip hardening can be done by single-shot heating or scanning. Gap-by-gap hardening uses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320001
EISBN: 978-1-62708-347-8
... to four times higher than that of a similar through-hardened gear set. It is also significantly higher than a nitrided or an induction-hardened set. For this reason, case carburized and hardened gears are extensively used in industrial, automotive, and aerospace applications. Nitriding process is used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900219
EISBN: 978-1-62708-350-8
... Automotive components, including suspension struts, stickshift levers, and window winding mechanisms Gas spring pistons Door lock mechanisms Gears (see discussion below) Machine slides Cylinder liners Water pump components The wear resistance conferred on a 708A42 crankshaft by a 3...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... Bevel gear with teeth made on an axial closed-die rolling machine [ Husmann, 1999 ] 23.6 Future of Forging Technology in the Global Marketplace Automotive companies, which account for a very large portion of forged parts, are rapidly expanding global operations in an effort to produce cost...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000185
EISBN: 978-1-62708-312-6
... Abstract This chapter discusses the growing use of sintered stainless steels in automotive applications and various types of filters and filtering media. It also describes how these materials are produced in the form of metal foams and cellular structures and how they serve as flake pigments...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... of Automotive Engineers , 1974 10.4271/740222 8. Engine Bearing Service Manual , 7th ed. , Federal Mogul Bearings, Inc. , 1956 , p 93 9. Pedersen R. and Rice S.L. , Case Crushing of Carburized and Hardened Gears , SAE Trans. , Vol 69 , 1961 , p 370 – 380 10.4271/610034...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250245
EISBN: 978-1-62708-345-4
... used in automotive transmission gears, are often assigned minimum case depths of 0.2 mm (0.008 in.). Measurements of the case depths of carbonitrided parts may refer to effective case depth or total case depth, as with reporting case depths for carburized parts. For very thin cases, usually only...