1） Crane drum structure

2） Crane drum description  

   The crane drum is one of the most crucial components in the crane equipment , with unique functions to wind steel ropes of the hosting or towing mechanism whereby converting the rotary motion of the driving unit into the linear motion of the rope .

3） Crane rope drum advantages and features

    a. Thanks to the simple structure , crane drum adjustment and installation become rather convenient .

    b. During crane drum operation, steel wire rope seat themselves properly into the spiral grooves arranged around the circumference of the cable drum.

    c. Ensure a proper level of stress evenly acting upon the steel wire rope .

    d. Crane drum standardized design is suited to various lifting heights .

    e . crane drum material : low-carbon alloy steel , such as Q345B , S355 J2G3 and so on or    according client request .

    f. Welding test :100%UT and MT 

    g. groove heat treatment by intermediate frequency quenching , hardness HB330-350 and deep around  ≥1.5mm .

    h. High strength ,light weight and great rigidity  

    i. Lager-diameter drum with small drum width enables a safe fleet angle, which in turn extends the use life of the cable  

4） Application 

   Port , waste management , wind power , automobile , transformer , storage and logistics , steel factory ,container , tunnel , construction machinery , metallurgy , and shipbuilding industries .

5） Related Names   

   Hoist drums , wire rope drums , winding drum supplier , electrical cord reels