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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 ball screw pro

    SK7450A×50 CNC Screw Grinding Machine

    hits:5062 createtime:2017-08-15 14:58:42

    Finished parts

    【Main use】

    This machine is mainly used for grinding screws with Whitworth & Acme threads and ballscrews precisely

    【NC system configuration】

    1、Equipped with a SIEMENS 828D CNC system,the machine is controlled with four programmable axes including three synchronous ones。

    2、No. of programmable axes

    Axis Z: Longitudinal feed of wheelhead   

    (with grating scale)     full close-looped

    Axis X: Cross-feed of wheelhead

    Axis C: Rotation of work spindle  

    (with angular encoder)     full close-looped

    Axis Y: Vertical feed of dresser

    Out of above NC axes, C-axis and Z-axis are linked to perform thread movement;Wheel dressing is conducted by a formed diamond roller;

    Two electric hand-wheels can control each NC axis by hand。

    【Working accuracy】

    1、In accordance with the Chinese standard concerned, the pitch error of a screw with pitch not longer than6mmis surely less than the followers;V2πp 0.006mm; V300p 0.012mm;Ep 0.062mm;Vup 0.041mm

    2、Error of pitch diameter over a rotation of 360 degree,Error of pitch diameter over entire length of thread,Roughness  Ra 0.32μm

    【Technical characteristics】

    1、The optimized workhead structure makes work spindle speed double, thus improving machine efficiency greatly。

    2、No. of programmable axes

    Axis Z: Longitudinal feed of wheelhead

    (with grating scale)       full close-looped

    Axis X: Cross-feed of wheelhead

    Axis C: Rotation of work spindle

    (with angular encoder)     full close-looped

    Axis Y: Vertical feed of dresser

    Out of above NC axes, C-axis and Z-axis are linked to perform thread movement;Wheel dressing is conducted by a formed diamond roller;Two electric hand-wheels can control each NC axis by hand。

    【Main specification parameters】

    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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