A new Friction and Lubrication Test for Cold Forging

Niels Bay; Ole Wibom; J Aalborg Nielsen

doi:10.1016/S0007-8506(07)62311-7

A new Friction and Lubrication Test for Cold Forging

Niels Bay, Ole Wibom, J Aalborg Nielsen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

This paper presents a new friction and lubrication test for cold forging. The test allows controlled variation of the surface expansion in the range 0-2000%, the tool temperature in the range 20-270°C and the sliding length between 0 and infinite. Friction is decreasing with increasing temperature in the range 30-150°C. Above this temperature range friction increases. As regards lubricant performance Lubrication Limit Curves (LLC) are plotted in a sliding length-surface enlargement diagram with the tool temperature as a parameter. Larger tool temperature implies lower acceptable surface expansion and sliding length.

Original language	English
Journal	CIRP Annals : Manufacturing Technology
Volume	44
Issue number	1
Pages (from-to)	217-221
ISSN	0007-8506
DOIs	https://doi.org/10.1016/S0007-8506(07)62311-7
Publication status	Published - 1995

Keywords

Forming
friction
lubrication

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title = "A new Friction and Lubrication Test for Cold Forging",

abstract = "This paper presents a new friction and lubrication test for cold forging. The test allows controlled variation of the surface expansion in the range 0-2000%, the tool temperature in the range 20-270°C and the sliding length between 0 and infinite. Friction is decreasing with increasing temperature in the range 30-150°C. Above this temperature range friction increases. As regards lubricant performance Lubrication Limit Curves (LLC) are plotted in a sliding length-surface enlargement diagram with the tool temperature as a parameter. Larger tool temperature implies lower acceptable surface expansion and sliding length.",

keywords = "Forming, friction, lubrication",

author = "Niels Bay and Ole Wibom and {Aalborg Nielsen}, J",

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journal = "C I R P Annals",

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T1 - A new Friction and Lubrication Test for Cold Forging

AU - Bay, Niels

AU - Wibom, Ole

AU - Aalborg Nielsen, J

PY - 1995

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N2 - This paper presents a new friction and lubrication test for cold forging. The test allows controlled variation of the surface expansion in the range 0-2000%, the tool temperature in the range 20-270°C and the sliding length between 0 and infinite. Friction is decreasing with increasing temperature in the range 30-150°C. Above this temperature range friction increases. As regards lubricant performance Lubrication Limit Curves (LLC) are plotted in a sliding length-surface enlargement diagram with the tool temperature as a parameter. Larger tool temperature implies lower acceptable surface expansion and sliding length.

AB - This paper presents a new friction and lubrication test for cold forging. The test allows controlled variation of the surface expansion in the range 0-2000%, the tool temperature in the range 20-270°C and the sliding length between 0 and infinite. Friction is decreasing with increasing temperature in the range 30-150°C. Above this temperature range friction increases. As regards lubricant performance Lubrication Limit Curves (LLC) are plotted in a sliding length-surface enlargement diagram with the tool temperature as a parameter. Larger tool temperature implies lower acceptable surface expansion and sliding length.

KW - Forming

KW - friction

KW - lubrication

U2 - 10.1016/S0007-8506(07)62311-7

DO - 10.1016/S0007-8506(07)62311-7

M3 - Journal article

VL - 44

SP - 217

EP - 221

JO - C I R P Annals

JF - C I R P Annals

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