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    Crane reducer

      

    A. QJR, QJS, QJRS, QJR-D and QJRS-D crane reducers

      QJ series is applicable for the operational mechanism of the crane. Besides, it is also used in various kinds transmission of machinery equipment.

      Features:
       1. Wide range of reduction ratio with nominal reduction ratio from 10 to 200.
       2. High efficiency: double stage: 96%, triple stage: 94% .
       3. Smooth running and lower noise.
       4. Gear and gear shaft, made of quality alloy steel forgings, are hardened and tempered, providing a long service life and high large load capacity.
       5. Convenient for installing and disassembling.
      Application condition:
       The gear circumferential velocity is under 16 m/s.
       The RPM for high speed shaft is under 1000r/min.
       The range of operating ambient temperature is ! 40 < C ゛ 45 < C.
       Running in the positive and negative direction.

       Type and reduction ratio

    堀曳

    QJR
    QJR-D

    10
    12.5
    16
    20
    25
    31.5
    QJSQJRS QJS-D  QJRS-D
    40
    50
    63
    80
    100
    125
    160
    200

    B. QJ-L crane upright reducer

      Features:
      
    1. Installing on the side end of the base
       2.Triple stage transmission, reduction ratio: 16-100.
       3. There are seven sizes in this series with nominal center distance from 140 to 400mm.
       4. Small reducers use oil bath for lubrication and reducers over 280 in size use oil splash for lubrication, other features are same compared with the QJ reducer.

    C. QJ-T crane sleeve reducer

      Structure features
      
    1. The output end for QJ-T reducer is a bevel sleeve .The reducer is just linked with a shaft of the operation machine where supporting the whole weight of the reducer. On the top of main case, there are several setting holes to fix the reducer onto the bracket by pin
       2. With the ^ 〕  ̄form in three sections divided, the main case can be used as an upright reducer, other features are same compared with QJ-L reducer.

     

    ADDRESS248.Middle of Guoliang Road,Wangcheng,Changsha HunanP,R.China 
    Post Code410200 Email: Sales@csxh.com

     
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