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    PRODUCTS SHOW
    CONTACT US
    Tel: 0086 916 2298015
     
    Fax: 0086 916 2296146
     
    E-mail: export@hjmtc.cn  
     
    E-mail: hehengrong@hotmail.com
    Complete set of precision worm

    S7720A Worm Grinding Machine

    hits:10835 createtime:2017-08-07 14:49:04

    Finished parts

    【Main use】

    This machine is designed to grind cylindrical worms such as ZA, ZN, ZI profile, and to grind trapezoidal screws as well。

    【NC system configuration】

    【Working accuracy】

    working accuracy

    when thread start=1(GB)                           Grade 5

    when thread start≥2                              Grade 6

    when grinding ACME screw within 6mm pitch(GB)     Grade 6

    【Technical characteristics】

    1、Work spindle speed is stepless due to appliance of frequency converting technology; Workpiece indexing is done automatically; Work spindle center is fixed or dead type to minimize the effect of work spindle accuracy。

    2、Thread pitch change is done by exchange gears. A straightedge located at table side can correct accumulated pitch error。

    3、Both work table and wheelhead travel along V-and-flat guideways to make a flexible and smooth running。

    4、Grinding wheel spindle is supported by high-grade imported rolling bearings, having high rotary precision, good rigidity and convenient maintenance。

    5、Wheel dressing is done with a hydraulic automatic wheel dresser, through profile modeling, dress grinding wheel into ZA, ZN and ZI worm profiles。

    6、A full-closed cover and an imported oil-mist extractor are provided with the machine to improve working environment。

    7、If a CNC wheel dresser adopted, the machine can realize ZA, ZI, ZN, ZK and ZC1 worm profiles。

    【Main specification parameters】

    1、Max. mounting diameter Φ200mm
    2、Max. center distance 750mm
    3、Center height 120mm
    4、Max. grinding diameter Φ200mm
    5、Max. grinding length 500mm
    6、Pitch range
       Metric thread 1-24mm
       Inch thread 3-24teeth/inch
       Module thread 1.2π-12π
    7、Max. thread lead 150mm
    8、Helix angle range ±30°
    9、Thread start number 1、2、3、4、5、6、8、10、12、
    10、Work spindle speed
        In grinding 0.2-4,0.8-16r/min
        In return 1-5,4-20r/min
        In indexing 4r/min
    11、Wheelhead cross traverse 150mm
    12、Wheelhead rapid traverse 30mm
    13、Wheel spindle speed 1670-2145 r/min
    14、Wheel size Φ300-400×10,20
    15、Overall dimension (L x W x H) 2600×1900×1800

    Copyright of: Shaanxi Hanjiang Machine Tool Co., Ltd.  Record number: 05008229 -1  

     Tel: 0086 916 2296 146      135 0916 8925  Fax:0086 916 2296 146 

    Address: Hedongdian Town, Hanzhong City, Shaanxi Province, China   E-mail:export@hjmtc.cn  hehengrong@hotmail.com


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