レジンボンド CBN 砥石の目直しに関する研究(第3報) : 仕上面粗さに及ぼす目直し条件の影響

概要

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This paper deals with the relation between the properties of the wheel surface and the surface roughness of the workpiece for various truing and dressing conditions. In addition, the availability of the stick-aided loose abrasive dressing method, in which the loose abrasives are added to the ordinal WA stick method, is discussed. The stick-aided loose abrasive method can form the chip pocket effectively without much damage of CBN abrasives. Cutting edge distribution on the working surface of the wheel can be controlled by a series of dressing/truing operations over a wide range. Good finished surface is obtained as the accumulative cutting edge increases in a certain extent. An excessive re-truing makes the cutting edge too flat, so that a loading of welding type occurs in grinding and a good finished surface is unobtainable under such conditions. Loading increases with soluble type grinding fluids, especially in water-rich dilution and decreases with oil-based grinding fluids in grinding.
公益社団法人精密工学会の論文
1990-11-05