Affiliation:
1. Departamento de Engenharia Mecânica, Universidade Federal de Uberlândia, Brazil
2. Department of Engineering, University of Warwick, Coventry
Abstract
A high-pressure coolant system was used to machine Ti6Al4V and Inconel 901. A 14.5 MPajet of cutting fluid was applied against the chip flow at the rake face of the tool and this works as an efficient chip-breaker. Conventional overhead flood cooling was also used to establish a base for comparison. Chip control, cutting force, cutting temperature, chip-tool contact length, surface integrity, tool lives and wear mechanisms were studied. The high-pressure coolant system used improved tool lives significantly when machining the titanium alloy but it proved to be detrimental to tool lives when machining the nickel alloy.
Subject
Industrial and Manufacturing Engineering,Mechanical Engineering
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