Progressive development of an absolute sensorless compensation system for cutting force-induced error |
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Authors: | Gelvis Turyagyenda Wu Hao Yang Jianguo |
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Affiliation: | 1. School of Power and Mechanical Engineering, Shanghai Jiaotong University, 800 Dongchuan road Minhang district, 2000240, Shanghai, People’s Republic of China
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Abstract: | Cutting forces in traditional machining processes solely originates from the contact points on the cutting tool and workpiece. Therefore comprehensive mechanistic modeling of the machining process offers a means for realizing a sensorless cutting force monitoring system. This paper presents the progressive development of a sensorless compensation system for cutting force-induced error, whereby a learning and intelligent computer system is established, based on machining mechanics modeling and a reference compensation system. Experiences from normal machining sessions of new cutting tools and workpieces are modeled progressively and incorporated into the system. Finally with ample experience available, a full-fledged sensorless system is developed as a stand-alone solution. The sensorless system is economical, convenient, reliable and efficient. Administered on a CNC face milling machine, the model demonstrated exceptional performance and robustness. |
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