以美国为首的各先进工业国家,研究毛刺问题,已有好几年了:近来,许多发展中国家也非常重视毛刺问题。去毛刺技术成了近来再要的研究课题之一。去毛刺技术的进展比其他加工技术缓慢,原因在于:①可用人工除去工件上的毛刺,在经济高速增长的情况下,去毛刺的人工费用所占无几; It has been several years since the advanced industrialized nations headed by the United States studied the glitch: in recent times, many developing countries have attached great importance to the glitch. Deburring technology has become one of the most recent research topics. The progress of deburring technology is slower than other processing technologies, because: (1) the burrs on the workpiece can be manually removed, and the labor cost of deburring accounts for a small amount under the condition of rapid economic growth;