Tool path planning and geometry simulation for multi axis CNC belt grinding |
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| Authors: | ZHANG Wei wen GUO Gang ZHANG Yue and HUANG Yun |
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| Institution: | College of Mechanical Engineering,Chongqing University,Chongqing 400044,P.R.China;Chongqing Engineering Research Center for Material Surface Precision Machining and Whole Set Equipments,Chongqing 400021,P.R.China;College of Mechanical Engineering,Chongqing University,Chongqing 400044,P.R.China;College of Mechanical Engineering,Chongqing University,Chongqing 400044,P.R.China;Chongqing Engineering Research Center for Material Surface Precision Machining and Whole Set Equipments,Chongqing 400021,P.R.China;College of Mechanical Engineering,Chongqing University,Chongqing 400044,P.R.China;Chongqing Engineering Research Center for Material Surface Precision Machining and Whole Set Equipments,Chongqing 400021,P.R.China |
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| Abstract: | Belt grinding machine with multi axis computer number control(CNC) system can effectively process parts with complex moulding surfaces.In this paper,iso parametric and iso planar tool path planning strategies customized for this kind of machine are proposed.The tool path generation methods are designed based on the analysis of the belt grinding process.By using least square method,optimized cross section normal is computed in the iso planar method.To improve the design efficiency of path planning,reduce experiments and increase economical benefit,the geometric simulation program based on linear grinding model is developed.Experiment on a turbine blade profile shows that the proposed algorithms work satisfyingly. |
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| Keywords: | grinding multi axis CNC geometry simulating tool path planning |
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