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Influence of a heat treatment prior to cold forging operations on the performance of lubricants

Groche, Peter and Zang, Sebastian and Kramer, Philipp and Müller, Christoph (PtU) and Rezanov, Vladimir (2015):
Influence of a heat treatment prior to cold forging operations on the performance of lubricants.
In: Tribology International, Elsevier, pp. 67-71, 92, [Online-Edition: http://www.sciencedirect.com/science/article/pii/S0301679X15...],
[Article]

Abstract

Cold forging operations are subject to high tribological loads. In order to enable a reliable forging process, lubricants have to be chosen with respect to the occurring loads. However, it is known that well established lubricants can increase the surface roughness of a specimen in consequence of the forming. On the other hand, zinc-phosphate + molybdenum disulfide which is known to create a smooth specimen surface often shows higher friction coefficients. The paper at hand presents the results of a heat treatment prior to cold forging operations on the performance of polymer, saltwax, soap and molybdenum disulfide. The zinc-phosphate + molybdenum disulfide lubrication system indicates that a heat treatment of the lubricant results in a decrease of the friction coefficient.

Item Type: Article
Erschienen: 2015
Creators: Groche, Peter and Zang, Sebastian and Kramer, Philipp and Müller, Christoph (PtU) and Rezanov, Vladimir
Title: Influence of a heat treatment prior to cold forging operations on the performance of lubricants
Language: English
Abstract:

Cold forging operations are subject to high tribological loads. In order to enable a reliable forging process, lubricants have to be chosen with respect to the occurring loads. However, it is known that well established lubricants can increase the surface roughness of a specimen in consequence of the forming. On the other hand, zinc-phosphate + molybdenum disulfide which is known to create a smooth specimen surface often shows higher friction coefficients. The paper at hand presents the results of a heat treatment prior to cold forging operations on the performance of polymer, saltwax, soap and molybdenum disulfide. The zinc-phosphate + molybdenum disulfide lubrication system indicates that a heat treatment of the lubricant results in a decrease of the friction coefficient.

Journal or Publication Title: Tribology International, Elsevier
Volume: 92
Uncontrolled Keywords: Forming, Temperature, Lubricant, Friction
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Institut für Produktionstechnik und Umformmaschinen (PtU)
Date Deposited: 24 Jun 2015 06:55
Official URL: http://www.sciencedirect.com/science/article/pii/S0301679X15...
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