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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

    SK7720A CNC Worming grinding machine

    hits:5632 createtime:2017-08-14 11:11:20

    Finished parts

    【Main use】

    This machine is used to grind various cylindrical worms (ZA, ZN, ZI, ZK, ZC1), and also can be used to grind trapezoidal screws。

    【NC system configuration】

    1、SIEMENS 828D system,controlling 5 NC axes

    2、No. of programmable axes: five

    Axis Z: table longitudinal traverse

    (With grating scale)           full close-looped

    Axis X: Wheelhead cross feed

    (With grating scale)           full close-looped

    Axis C:rotation of work spindle

    (With angular encoder)         full close-looped

    Axis V: vertical feed of dresser slider

    Axis W: horizontal feed of dresser slider

    【Working accuracy】

    Cylindrical worms:

    when thread start=1-2, the accuracy is achievable to grade 5 ;

    when thread start≥3, the accuracy is achievable to grade 6。

    Trapezoidal screws: The accuracy is achievable to grade 6。

    【Technical characteristics】

    1、With double diamond discs, grinding wheel is dressed  into required thread profiles。

    2、The wheel spindle is driven by AC servo motor, and the speed can be regulated steplessly。

    3、The adjustment of helix angle is done and locked manually。

    4、The two diamond discs is driven by AC servo motor, ensuring a constant speed and low vibration。

    5、With a manual alignment device provided for pre-cut thread match, it is suitable for batch manufacturing。

    6、A dynamic balancing system and an on-line automatic aligning device can by provided if optioned by the user。

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

    【Main specification parameters】

    1、Max. mounting diameter 200mm
    2、Max. center distance 750mm
    3、Max. grinding diameter 200mm
    4、Min. grinding diameter 10mm
    5、Max. distance of table traverse 700mm
    6、Module of worm to be machined 1~12
    7、Max. helix angle ±30°
    8、Thread start 1~99(any
    9、Max. thread lead 150mm
    10、Work spindle speed 0.5~45r/min
    11、Max. peripheral speed of grinding wheel 45m/s
    12、Wheel size
    O.D×I.D×Width 400×203×10mm
    O.D×I.D×Width 400×203×20mm
    13、Max. workpiece weight 25kg
    14、Overall dimension (L x W x H) 3300×2350×2600mm
    15、Machine weight appro.6000Kg

    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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