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4 Jaw 100mm 4th Axis with Nema23 stepper motor Gapless harmonic gearbox reducer A axis + Tailstock for CNC woodworking machine!

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  • Description




    1 pcs — 4th Axis 4 Jaw 100mm with harmonic reducer

    1 pcs — Tailstock



    • 100MM four jaw self-centering chuck


    • Center Height 65mm


    • Total height, 105mm


    • Angle, 0.036 degree/step


    • Reduction ratio: 50:1 / 100:1 (synchronous deceleration mode)


    • Magnetic stepping motor: Two-phase 57 step motor Four-wire



    The Mach3 system settings:  the pulses for 1  required:

    ( the motor 1 Circle of pulse number × the drive of subdivision number × reduction ratio) ÷ 360 degrees

     For example, the two-phase 57 motor, the ubdivision number 16, the reduction ratio 50:1

                          (200 × 16 × 50) ÷ 360 = 444.44444444)


    Ncstudio system settings: the angle of a pulse walking:

      360 ÷ (the motor 1 Circle of pulse numberr × × the drive of subdivision number × reduction ratio)

     For example: the two-phase 57 motor, the breakdown of the number 16, reduction ratio 50:1

                          360 ÷ (200 × 16 × 50) = 0.00225


    X or Y axis instead of the algorithm is:

     Circumference ÷ (the motor 1 Circle of pulse numberr × × the drive of subdivision number × reduction ratio)

     Engraving different sizes of round bars, equivalent needs to be set



    • Nema 23   57x56mm

    • Shaft Diameter: 6.35 mm

    • Shaft length: 25.5mm

    • Step Angle:1.8

    • Current: 3A

    • Voltage: 2.85V

    • Temperature Rise :80 c max

    • Ambient Temperature:-20 c–+50 c

    • Phase No. : 2HP 

    • Insulation Resistance: 100MOhm(500V DC)

    • Holding Torque: 9.0kg.cm


    详情页_15详情页_16详情页_17The tailstock is our new design , which has three heads. These heads could be moved and replaced. You can change the head according your require. 

    The tailstock has a wrench with axial locking,  it will fixed the tailstock, and help it work well. 

    详情页_19Center Height: 65mm

    Stretch distance:50mm

    Axial locking wrench for tailstock






       Shipping terms   


    Our products are sold worldwide.

    But if your country is more difficult to transport goods, please contact us in advance to confirm shipping cost.





    We accept paypal credit, bank transfer, western union etc. 

    Payment must be made within 7days calendar days of the auction end time.



       Problems And Feedback   

    PLEASE DON’T leave any negative feedback before you contact us.

    Please give us the opportunity to resolve any problem,we will try our best to help you.

    Your satisfaction is very important for our store, so please contact us before you want to leave a negative feedback. 

    Thanks very much in advance.





    If you are not satisfied with our package like the products is   damage,
    please do not sign it and contact us immediately.

    If it is possible, please take some photos or make a small video about it. It will help us to solve the problems.





    We can produce the product according to our customer’s design. 

    If you need something is very special, please contact us about it.

    We are willing to help you about it.



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