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由上海机制工艺研究所负责设计,江苏无锡县仪器设备厂进行试制的砂型表面硬度计(A、B、C型)于79年1～8月作了多次改进,试制出二批样表交有关工厂现场使用,反映良好。经无锡县革命委员会机电工业局请示一机部仪表总局、江苏省机械局、无锡地区第一工业局同意,于十一月二至三日在无锡开了鉴定会。会上各地代表们听取了各有关方面的设计及试制工作、使用情况报告,参观了生产厂的现场,检查了工装、设备。审查了技术资料,对A、B、C型样表进行了现场检测、作了5000次疲劳试验、并进行讨论审议。
The surface hardness tester (Type A, B, C), which was designed by the Shanghai Institute of Process Technology and was trial-manufactured by the Wuxi County Instrument and Equipment Factory, was improved several times from January to August in 1979 and two batches of samples were produced The factory site use, reflecting the good. The Bureau of Mechanical and Electrical Industry of Wuxi Revolutionary Committee invited a Bureau of Instrument Bureau, Jiangsu Machinery Bureau and Wuxi No.1 Industry Bureau to agree to hold a certification meeting in Wuxi from November 2 to November 3. At the meeting, representatives from all localities listened to the design and trial work of all relevant parties, reported on the use status, visited the site of the production plant, and inspected the tooling and equipment. Examined the technical information, carried on the on-the-spot inspection to the A, B, C type sample table, made 5000 fatigue tests, and discussed and discussed.