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由机械部济南铸锻机械研究所和徐州锻压设备制造厂主持,全国十三家轴承、工具行业的设计研究单位和工厂的代表37人参加了1984年12月在济南召开的热轧轴承钢(未退火)冷剪工艺推广会.会议是在QA45—50棒料精密剪断机小批量生产和轴承钢冷剪模具寿命这一课题通过鉴定的情况下,为大力推广轴承钢冷剪工艺而召开的。
By the Ministry of Machinery Jinan Casting Machinery Research Institute and Xuzhou Forging Equipment Manufacturing Factory presided over the country’s thirteen bearings, tool industry design and research institutes and plant representatives 37 people attended the December 1984 held in Jinan, hot-rolled bearing steel ( Not annealed) cold shear technology promotion meeting. The meeting is in the QA45-50 bar stock precision cutting machine small batch production and bearing steel cold shear die life of this issue through the identification of the case, in order to vigorously promote the bearing steel cold shear process was held .