Based on the characteristics of polishing wheel wear,this paper adopts the Archimedean spiral model,control the polishing wheel to move at a constant linear speed relative to the workpiece,at the same time,polishing wheels of different ma-terials are worn at a corresponding constant wear rate,then calculate the real-time radius value of polishing wheels using accu-mulated machining trajectory length and wear rate,to realize radius wear compensation.
compensation of radial wearArchimedean spiralconstant relative linear velocity
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