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煤炭系统组合夹具推广使用经验交流会于1986年7月10日～13日在石家庄煤机厂召开。参加会议的有全国煤炭系统制造机修厂的78个单位109位代表。会议由部制造局、生产司主持。组合夹具的使用大大缩短了生产准备周期,保证了零件的加工质量,提高了工作效率和机械加工工艺的装备系数,有利于提高企业的经济效益和产品的应变能力,被列为国家“六
The experience exchange conference for the promotion and use of the combined system of coal system jigs was held at Shijiazhuang Coal Machinery Factory from July 10 to July 13, 1986. At the meeting, there were 109 representatives from 78 units of the National Coal System Manufacturing Machine Repair Factory. The meeting was chaired by the Ministry of Manufacturing and Production. The use of combination fixtures greatly shortens the production preparation cycle, ensures the processing quality of the parts, improves the work efficiency and the equipment factor of the machining process, and helps to improve the economic efficiency of the company and the product’s resilience. It is listed as a national “six”