Abstract
This paper deals with the generated process and a preventive measure of the burning in the cylindrical traverse grinding of the high depth of cut. The experiment was carried out to examine the surface layer, the hardness and the surface configuration at the burning position of the workpiece. And also, the change of wheel configuration and the loading in the grinding process were investigated. The main conclusions obtained are as follows: (1) The workpiece burn occurs darkly at the starting position of traverse grinding, but disappears as the grinding proceeds. The reason why burning occurs is considered that spark-out grinding can not be done due to the shrinkage of workpiece diameter which is expanded by the generated grinding heat. (2) The workpiece burn exerts a bad influence on the dimensional accuracy and the machining properties. However, careful attention should be paid to the thermal damage even when no visual burning is observed. (3) The loading closely relates to the occurrence of workpiece burn. (4) The wheel dressed to the stepped configuration with the same width as the traverse feed has a good grinding performance in high depth of cut grinding and prevents the workpiece burn.
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