Manufacturing high quality surfaces of hardened steels: fine grinding with lapping kinematics using abrasive foil tools Online publication date: Sat, 07-Mar-2015
by Hans-Werner Hoffmeister; Wiebke-Cathérine Hahmann
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 4, No. 6, 2011
Abstract: This paper concerns fine grinding with lapping kinematics using a novel machine concept which works with finishing foils instead of grinding wheels. The tool is separated in a way that the cutting grain on the finishing foil can determine the roughness. The pressure plate is responsible for the shape accuracy. A constant foil feed rate bringing unused grains in the cutting zone allows a constant machining behaviour. A dressing of the tool is no longer needed. The machined workpieces show low roughness and good evenness within a short period of time. Studies on the effects of machining parameters such as pressure, cutting speed, foil feed rate and cooling lubricant during finishing of hardened steel 100Cr6 and C45 are presented regarding to surface quality and tool wear. In addition, the influence of filter systems on surface roughness and material removal rate is discussed. The accomplished tests show the functional capabilities and potential of the novel machine concept.
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