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湖南601矿机械厂生产的MJ—50—IB型慢速卷扬机能移动上百吨的块石料。目前已在双峰、云浮等大理石矿投入使用,获得好评。该机是在引进的AB—50型卷扬机的基础上改进设计的,特点是功率小(电机功率仅7.5瓩),能耗低,体积小,拉力大,工作平稳,具有五种不同的牵引速度。操作灵活,安全可靠。该机在最慢、最快牵引速度0.49和3.8米/分时,牵引力分别为66吨和9吨,钢绳最大可选用D型6×19直径φ31。使用时,可根据块料重
MJ-50-IB slow winch produced by Hunan 601 Mine Machinery Factory can move hundreds of tons of block stone. Has been in the bimodal, Yunfu marble mine put into use, access to praise. The machine is based on the introduction of AB-50 hoist improved design, characterized by small power (motor power only 7.5 瓩), low energy consumption, small size, large pulling force, stable work, with five different traction speed . Flexible operation, safe and reliable. The aircraft at the slowest, the fastest traction speed of 0.49 and 3.8 m / min, the traction were 66 tons and 9 tons, the largest choice of steel wire D-type 6 × 19 diameter φ31. When used, according to the weight of the block