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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 automobile ste

    SK7620A Internal Thread Grinding Machine

    hits:5692 createtime:2017-08-15 15:28:39

    Finished parts

    【Main use】

    The machine is mainly used for grinding nuts for automobile steering screws and ball-screws in massive production

    【NC system configuration】

    1、FANUC 0iMC or SIEMENS 828D, controlling 3 NC axes

    2、Programmable axes are designated as followers

    Axis X      Cross-feed of wheelhead             full close-looped

    Axis Z      Table longitudinal traverse         full close-looped

    Axis C      Rotation of work spindle            full close-looped

    【Working accuracy】

    Thread accuracy achievable

    Limit lead deviation                                     0.005mm

    Accumulative error at a length of50mm                    0.009mm

    【Technical characteristics】

    1、Wheel dressing is conducted by a formed diamond roller

    2、a newly-developed workhead structure doubles work spindle speed, thus increasing greatly machine productivity

    3、Special-built soft program makes the machine have automatic grinding cycle, wheel dressing and self-compensation for wheel dressing amount

    4、Wheel spindle employs a high speed E-spindle

    5、Users can choose grinding modes between one-way or two-way auto-grinding cycle

    6、Online device for pre-cut thread alignment can be an optional configuration to users

    7、Efficient centrifugal oil mist exhauster is available

    【Main specification parameters】

    1、Max. diameter mounted 300mm
    2、Max.  workpiece length 200mm
    3、Max. thread diameter to be ground 200mm
    4、Min. thread diameter of thread to be ground 25mm
    5、Max. thread length to be ground 125mm
    6、Max. table stroke 460mm
    7、Pitch scope 1-24mm
    8、Max. helix angle 10°(RH),12°(LH)
    9、No. of starts 1~45(any)
    10、Speed of work spindle 0.2~100r/min
    11、Max. speed of wheel spindle 240000mm/min
    12、Wheel size
           Max. diameter φ100mm
           Min. diameter φ25mm
    13、Overall dimension (L×W×H) 2270×1550×2000mm
    14、Weight approx.5000kg

    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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