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  • GFZ-Aluminum Alloy Jaw Coupling

GFZ-Aluminum Alloy Jaw Coupling

▷ Bushings made of High-strength aluminum alloy

▷ Plum blossom elastic coupling connected by expansion sleeve

▷ Zero backlash,easy installation

▷ Excellent response and high torque capacity

▷Identical clockwise and anticlockwise rotational characteristics

▷ Colloid using TPU, with good abrasion resistance Oil resistance and Insulation

▷ Colloid can absorb vibration、parallel、angular misalignments and shaft end-play

▷ For servomotor/ step-motor connect




Product Introduction


GFZ图.jpg

Example:GFZ   -   □□   ×   □□   -   □□   ×   □□

                         Serise       Diameter       Lenght         d1Bore       d2Bore

External Dimension Table    unit:mm

Product modelThe inner diameter dimensions of the common used d1/d2ΦDLLF
LPMTighten torque (n.m)
GFZ-55×7812-14-15-16-17-18-19-20-22-24-25-28-30-32557846.216.5M54
GFZ-65×9017-18-19-20-22-24-25-28-30-32-35-38659052.918M54
GFZ-80×11419-20-22-24-25-28-30-32-35-38-40-45801146722.5M67

Note: The inner diameters of the inner holes at both ends of the coupling can be freely combined from small to large. The inner holes are machined with H7 standard tolerance、 and the inner diameter dimensions marked in the table are for reference only. Please contact us for detailed parameters of the aperture you require.


Technical Parameter Table    unit:mm

Product modelTorque (N.m)Allowable eccentricity (mm)Allowable deviation angle (∠°)Allowable axial deviation (mm)Allowable rotational speed (RPM)Static torsional stiffness (N.m/rad)Moment of inertia (N.m)Coupling weight (g)
GFZ-55×78340.021±0.801300015104.5×10⁻³321
GFZ-65×90950.021±0.80105002800
1.9×10⁻³553
GFZ-80×1141350.021±0.80860036001.9×10⁻²960

Note: The above inertia moment and various technical parameters are measured from the standard of large aperture to the value of large fixed torque、 which is related to the durability of the coupling itself. The larger the outer diameter、 the greater the force、 and the smaller the outer diameter、 the higher the allowable speed.



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