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lubrication

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the effect of friction and lubrication on forgings and forging operations. The discussion covers lubrication mechanisms, the use of friction laws, tooling and process parameters, and the lubrication requirements of specific materials and forging processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... Abstract This chapter discusses the factors that must be considered when selecting a lubricant for sheet metal forming operations. It begins with a review of lubrication regimes and friction models. It then describes the selection and use of sheet metal forming lubricants, explaining how...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390064
EISBN: 978-1-62708-459-8
... Abstract This chapter reviews the basic theory of lubrication in the context of metal forming applications. It discusses the rheological properties of fluids and their effect on fluid-film thickness at pressures, temperatures, and loading conditions typical of metal working processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.9781627084598
EISBN: 978-1-62708-459-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
...Nomenclature and units of measure used in this chapter to discuss friction, lubrication, and wear of gears Table 1 Nomenclature and units of measure used in this chapter to discuss friction, lubrication, and wear of gears Symbol Description Units B M Thermal contact coefficient...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390100
EISBN: 978-1-62708-459-8
... Abstract This chapter describes the properties and attributes of various classes of metalworking lubricants, including mineral oils; natural oils, fats, derivatives, and soaps; synthetic fluids (olefins, esters, polyglycols, ionic liquids); compounded lubricants (oils, greases, fats); aqueous...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the tribological properties of different types of oil, greases, solid lubricants, and metalworking and traction fluids. It explains how lubricants are made, how they work, and how they are applied and tested. It also discusses the fundamentals of lubrication...
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Published: 01 February 2005
Fig. 7.2 Stribeck curve showing onset of various lubrication mechanisms. [ Schey, 1983 ] More
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Published: 01 February 2005
Fig. 7.5 Zinc phosphate coating and soaping lubrication system. [ Bay, 1994 ] More
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Published: 01 February 2005
Fig. 7.6 Die lubrication process in warm and hot forging. [ Doege et al., 1996 ] More
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Published: 01 December 2003
Fig. 13 (a) Indicative trends in influence of reinforcement and solid lubrication on friction and wear of high-temperature polymers. Pressure ( P ) = 1 MPa; velocity ( V ) = 1 m/s. PEN, polyethernitriale; PEEK, polyetherether ketone; PEEKK, polyetheretherketoneketone; PTFE More
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Published: 01 November 2013
Fig. 6 Three lubrication regimes experienced in sheet metal forming. (a) Thick-film lubrication. (b) Thin-film lubrication. (c) Boundary lubrication. Source: Ref 3 More
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Published: 01 August 2012
Fig. 7.1 Factors that affect friction and lubrication in sheet metal forming. UTS, ultimate tensile strength More
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Published: 01 August 2012
Fig. 7.2 Stribeck curve showing onset of various lubrication mechanisms. η, lubricant viscosity; v , sliding velocity; p , normal pressure; μ, coefficient of friction. More
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Published: 01 August 2012
Fig. 7.11 Flange perimeters and punch forces recorded for 11 lubrication conditions at a BHF of 20 tons. M, mill oil; W, washer oil; L, press lube. Source: Ref 7.21 More
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Published: 01 August 2012
Fig. 1.15 Influence of lubrication on punch wear. Source: Ref 1.9 More
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Published: 01 September 2005
Fig. 1 Schematic showing three lubrication regimes More
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Published: 01 August 2012
Fig. 9.20 Parameters that influence friction, lubrication, and wear in tube hydroforming More
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Published: 01 June 1985
Fig. 2-1. Environmental factors consist of mostly “things”: lubrication, temperature, and mechanical stability. More
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Published: 01 June 1985
Fig. 2-2. Comparison of gear sets showing that lack of lubrication can be most devastating. More