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兖州煤机厂生产的SGB-630/110S双速型刮板输送机,继完成型式耐久试验和工业性运行试验后,于1988年2月3日通过部级鉴定,即日起转为大批量生产。与该机配套的YDS-30/55-8/4双速电机、QSBH-100/660 Z双速真空磁力起动器也同时通过鉴定。该鉴定会由煤炭部制造局主持,部生产司及山东煤炭工业管理局领导到会。参加鉴定的有矿务局、设计院、煤研所测试中心、煤科分院及部分煤机厂代表共50余人。代表及鉴定委员会认为SGB-630/110S双速型刮
Yanzhou Coal Plant production SGB-630 / 110S two-speed scraper conveyor, following the completion of the type of durability test and industrial operation test, on February 3, 1988 through ministerial identification, with immediate effect to mass production . The YDS-30 / 55-8 / 4 two-speed motor and the QSBH-100/660 Z two-speed vacuum magnetic starter also passed the appraisal. The appraisal will be presided over by the Ministry of Coal Production Bureau, the Department of Production and Shandong Coal Industry Authority leaders will attend. Participate in the identification of the Bureau of Mining, Design Institute, Coal Research Institute test center, coal Branch Branch and some coal plant representatives a total of more than 50 people. Representatives and Identification Committee that SGB-630 / 110S double-speed scraping