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    One Diaphragm Coupling, 6mm to 14mm

    Low cost one diaphragm shaft coupler for sale, bore 6mm to 14mm, diameter 34mm, length 32mm, low inertia, high running speed, used to connect CNC machines, stepper motors and servo motors.
    SKU: ATO-SC-GSM3432
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    High torque flexible shaft coupling bore 6mm to 14mm, rated torque 5N.m, speed of 10000rpm, length 32mm, diameter 34mm, shaft coupling has elastic elements that play the role of buffering and damping to protect the prime mover and the working machine from damage or damage.


    Model ATO-SC-GSM3432
    Length 32mm
    Width 34mm
    Bore 6mm to 14mm
    Rated Torque 5 N.m
    Allow Eccentricity 0.1mm
    Allowable Deflection Angle 1∠°
    Allowable Axial Deviation ±0.18
    Allowable Speed 10000 RPM
    Static Torsional Stiffness 5700N.m/rad
    Moment of Inertia 8.0 x 10-6
    Weight 61g
    Certificate ISO9001, REACH, RoHS
    Warranty 12 Months

    Single Diaphragm Flexible Coupling Dimension (unit: mm)

    Diaphragm coupling dimension

    d1/d2 Inner Diameter Size Φd L LF S F M Tightening Torque
    5-6-6.35-7-8-9-9.52-10-11-12-12.7-14 34 32 14.25 3.5 4.85 M4 3.5 N.m


    Diaphragm coupling detail


    Shaft Diameter Keyway Standard Machining Dimensions Keyway Size
    d1/d2 b t (bXh)
    Width of groove Tolerance Depth of groove Tolerance
    φ6~φ7.9 2 ±0.0125 1 ±0.10 2x2
    φ8~φ10 3 1.4 3x3
    φ10.1~φ12 4 ±0.0150 1.8 4x4
    φ12.1~φ17 5 2.3 5x5
    φ17.1~φ22 6 2.8 6x6
    φ22.1~φ30 8 ±0.0180 3.3 ±0.20 8x7
    φ30.1~φ38 10 3.3 10x8
    φ38.1~φ44 12 ±0.0215 3.3 12x8
    φ44.1~φ50 14 3.8 14x9
    φ50.1~Ф58 16 4.3 16x10
    φ58.1~φ65 18 4.4 18x11

    Keyway Machining Standard Drawing

    Diaphragm coupling keyway dimension

    Tips for choosing a shaft coupling type

    1. The size and nature of the torque to be transmitted, the requirements for buffering and damping functions, and whether resonance may occur.
    2. The relative displacement of the axis of the two shafts caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
    3. The allowable dimensions and installation methods are the operating space necessary for ease of assembly, adjustment and maintenance. For large shaft couplings, it should be possible to disassemble and assemble without the need for axial movement of the shaft.

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