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    Curved Jaw Coupling, 55 x 78mm

    Curved jaw coupling bore size 12 mm to 32mm, diameter 55mm x length 78mm, well balanced and suitable for high speed applications, it is often used to connect servo motors, stepper motors and ball screws.
    SKU: ATO-SC-GFCG-5578
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    Delivery date: 6-12 days

    55mm x 78mm curved Jaw coupling, bore 12mm to 32mm, the flexible coupling can be disassembled and used in combination, widely used in engraving machines and CNC milling machines.


    • Model: ATO-SC-GFCG-5578
    • Rated Torque: 69 Nm
    • Eccentricity Allowed: 0.02mm
    • Bore: 8 to 24mm
    • Allowable Declination: 1∠°
    • Allowable Axial Deviation: ±0.60mm
    • Allowable Speed: 8000rpm
    • Static Torsional Stiffness: 1500 Nm/rad
    • Moment of Inertia: 1.6 x 10-3 Nm
    • Bushing Material: 304 Stainless steel
    • Rubber Block Material: Polyurethane imported from Germany
    • Surface Treatment: Polished
    • Weight: 778g
    • Certificate: ISO9001, REACH, RoHS
    • Warranty: 12 Months

    45 x 78mm Flexible Jaw Coupling Dimension (unit: mm)

    Flexible jaw coupling dimension

    • d1/d2 Inner Diameter Size: 12-12.7-14-15-16-17-18-19-20-22-24-25-28-30-32
    • ΦD: 55
    • L: 78
    • LF: 46.2
    • LP: 16.1
    • F: 10.3
    • M: M6
    • Tightening Torque: 13 Nm

    Tips: Alignment principle of plum coupling

    It mainly measures its radial displacement and angular displacement. When the two shafts are on different axes, there is a relative deviation between the outer rings or end faces of the two couplings. According to the measured deviation value, the deviation value of the axis line can be calculated. For the correct measurement result, the two rotors must be rotated at the same angle to ensure that the relative position of the measuring point on the coupling is variable, which can eliminate the error caused by the surface of the coupling is not clean and the axis of the end face is not vertical.

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