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  • 2016-7-24

    DAILY MAINTENANCE OF WIRE ROPE

    because the wire rope is composed of many steel wire (for example: 8 * 19 s structure is composed of 152 with steel wire rope),under the working condition, the bending of steel wire rope steel wire produced by relative slip will produce a lot of friction...

  • 2016-7-24

    THE WORKING PRINCIPLE OF ELECTRIC GALVAN

    Due to the zinc in the dry air is not easy to change, in the humid air, surface can generate a very dense carbonate zinc film, the film can effectively protect the internal is no longer from corrosion...