Analysis and optimisation of the hard broaching process with diamond tools Online publication date: Sat, 14-Feb-2009
by Guilherme Evangelista Vargas, Konrad Wegener, Friedrich Kuster, Thomas Schnider
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 1, No. 4, 2008
Abstract: Hard broaching is a finishing process to correct geometrical deviations of inner profiles on hardened work pieces, using a hardened steel body overlaid with a single layer of metal-bonded diamond grits. The process is characterised by a pendulum movement of the broaching tool. The tool consists of a conical roughing and a cylindrical finishing part. The finishing part increases the surface quality and reduces the tolerances. To get a deeper understanding of the process, and also for its optimisation, a stochastic model of the broaching tool was developed. The model-based analysis showed several suggestions for the improvement and optimisation of the hard broaching process, which have been experimentally verified in this work. With a modified pendulum strategy a relevant process time reduction of about 60% can be achieved.
Online publication date: Sat, 14-Feb-2009
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