CD1型，MD1型钢丝绳电动葫芦是一种轻小型起重设备。它可以安装在葫芦单梁，桥式起重机，门式起重机，悬臂起重机上。稍加改动，还可作卷扬用。因此，它是工厂、矿山、港口、仓库、货场、商店等常用的起重设备之一，是提高劳动效率，改善劳动条件的必备机械。

     CD1型电动葫芦的起升速度为常速，可以满足一般使用要求；MD1型电动葫芦具有两种起升速度——常速和慢速。慢速工作时，可以满足精密装卸，砂箱合模，机床检修等精细作业的要求。所以，MD1型电动葫芦的使用范围比CD1型电动葫芦更为广泛。

     Model CD1，MD1 Wirerope Electric Hoist is a small-sized lifting equipment，which can be mounted on singlebeam，bridge，gantry and arm cranes．With slight modification，it can also be used as a winch．It is widely used in factories，mines，harbours，warehouses，cargo storage areas and shops，es sential in raising working efficiency and improving working conditions．

     Model CDl Electric Hoist has only one normal speed，which can satisfy normal application．Model MD1 Electric Hoist provides two speeds：normal speed and low speed．At a low speed，it can do precise loading and unloading，mounding of sand box，maintenance of machine tools，etc．Thus，model MDI Electric Hoist is more widely than Model CD1．
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