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Die Bedeutung von Tribologie-Modellversuchen für die Kaltmassivumformung

Peter Groche,Kappes, Bodo,Volker Dünkel,Georg Mauer-2002-01-01-TUbilio (Technical University of Darmstadt)
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TL;DRAbstract

In the field of bulk metal forming there is no standardized test to analyse friction and wear corresponding to the strip test in sheet metal forming. A lot of test principles were invented in the field of bulk metal forming, the problem is to choose an appropriate one to gain realistic results. In the specifie case of bolt manufacturing it is recommended to utilize a test principle which is based on extrusion. The aim of the introduced project is to replace phosphate coatings on the wire and to enable medium-size companies to rely on an environmentally friendly tribology system. The concept to optimize production is to use thin film coatings on the tools and new lubrication systems. Even surface topographies of tools and wire contribute to the suitability of the tribology conditions.

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In the field of bulk metal forming there is no standardized test to analyse friction and wear corresponding to the strip test in sheet metal forming. A lot of test principles were invented in the field of bulk metal forming, the problem is to choose an appropriate one to gain realistic results. In the specifie case of bolt manufacturing it is recommended to utilize a test principle which is based on extrusion. The aim of the introduced project is to replace phosphate coatings on the wire and to enable medium-size companies to rely on an environmentally friendly tribology system. The concept to optimize production is to use thin film coatings on the tools and new lubrication systems. Even surface topographies of tools and wire contribute to the suitability of the tribology conditions.

Keywords

TribologyExtrusionDie (integrated circuit)LubricationMaterials scienceSheet metalMetal formingMechanical engineering

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