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协庄矿钢丝绳带式输送机，于１９９８年６月进行了数控改造。采用“德国西门子”和日本“欧姆龙”公司的先进技术设备———ＳＬＭＯＲＥＧＫ、６ＲＡ２４、Ｃ２００Ｈ，代替原感应式整流调压装置，对钢缆机原煤提升电控系统，成功地完成了全数字化改造。使矿井生产能力提高１２％；事故率降低９０％；年节电８６００００ｋＷｈ；节约原材料投入及事故损失费用每年达１６０万元。
Xiezhuang steel wire rope conveyor, in June 1998 conducted a numerical control transformation. Adopting the advanced technology equipment of “Siemens of Germany” and “OMRON” of Japan --- SLMOREGK, 6RA24, C200H instead of the original induction rectification and pressure regulating device, successfully completed the digital transformation . So that mine production capacity increased by 12%; accident rate decreased 90%; annual energy saving 860000kWh; saving raw material inputs and accident losses cost 1.6 million yuan per year.