| Cam Profile Grinding CNC System Based on Open Architecture |
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| 引用本文： | GONG Shi-hua,DUAN Zheng-cheng,ZHU Guo-liCollege of Mechanical Science and Engineering,HuazhongUniversity of Science and Technology,Wuhan 430074,P.R.China. Cam Profile Grinding CNC System Based on Open Architecture[J]. 国际设备工程与管理, 2002, 0(2) |
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| 作者姓名： | GONG Shi-hua DUAN Zheng-cheng ZHU Guo-liCollege of Mechanical Science and Engineering HuazhongUniversity of Science and Technology Wuhan 430074 P.R.China |
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| 作者单位： | GONG Shi-hua，DUAN Zheng-cheng，ZHU Guo-liCollege of Mechanical Science and Engineering，HuazhongUniversity of Science and Technology，Wuhan 430074，P.R.China |
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| 摘 要： | This paper studies some key technologies of CNC system for cam grinding. The mathematical motion model for cam grinding is established according to the harmony of re-ciprocating motion of the grinding wheel and the rotating motion of the workpiece. The method of using the linear servomotor to accomplish the grinding wheel tracking is devel-oped and the dynamic model of the system is analyzed. Then the cross-coupled biaxial error compensation model is proposed. Finally,the hardware and software of the control system are designed based on open architecture. Some algorithms, such as spline fitting and inter-polation for cam contour, velocity control and feed control,are presented to improve grinding precision.
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Cam Profile Grinding CNC System Based on Open Arthitecture |
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| GONG Shi-hua,DUAN Zheng-cheng,ZHU Guo-liCollege of Mechanical Science and Engineering,HuazhongUniversity of Science and Technology,Wuhan ,P.R.China. Cam Profile Grinding CNC System Based on Open Arthitecture[J]. International Journal of Plant Engineering and Management, 2002, 0(2) |
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| Authors: | GONG Shi-hua DUAN Zheng-cheng ZHU Guo-liCollege of Mechanical Science Engineering HuazhongUniversity of Science Technology Wuhan P.R.China |
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| Affiliation: | GONG Shi-hua,DUAN Zheng-cheng,ZHU Guo-liCollege of Mechanical Science and Engineering,HuazhongUniversity of Science and Technology,Wuhan 430074,P.R.China |
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| Abstract: | This paper studies some key technologies of CNC system for cam grinding. The mathematical motion model for cam grinding is established according to the harmony of reciprocating motion of the grinding wheel and the rotating motion of the workpiece. The method of using the linear servomotor to accomplish the grinding wheel tracking is developed and the dynamic model of the system is analyzed. Then the cross-coupled biaxial error compensation model is proposed. Finally, the hardware and software of the control system are designed based on open architecture. Some algorithms , such as spline fitting and interpolation for cam contour, velocity control and feed control, are presented to improve grinding precision. |
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| Keywords: | cam grinding CNC system mathematical model for motion error compensation. |
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