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    Two Diaphragms Coupling, 4mm to 8mm

    $126.98
    Shaft coupling has 2 diaphragms, length 27mm, width 19mm, 4mm to 8mm bore, internal tightening design, easy installation. Diaphragm coupling is suitable for connecting servo motors, stepper motors and encoders.
    SKU: ATO-SC-GLM1927
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Two diaphragms coupling bore 4mm to 8mm, length 27mm, width 19mm. For occasions where the load is frequently started or the working load changes, the coupling acts as a buffer for protection.

    Specification

    Model ATO-SC-GLM1927
    Length 27mm
    Width 19mm
    Bore 4mm to 8mm
    Rated Torque 1 N.m
    Allow Eccentricity 0.12mm
    Allowable Deflection Angle 1.5∠°
    Allowable Axial Deviation ±0.18
    Allowable Speed 10000 RPM
    Static Torsional Stiffness 700N.m/rad
    Moment of Inertia 9.6 x 10-7
    Weight 18g
    Certificate ISO9001, REACH, RoHS
    Warranty 12 Months

    Shaft Coupling Bore 4mm to 8mm Dimension (unit: mm)
    Shaft coupling dimension

    Diaphragm coupling split graph

    d1/d2 Inner Diameter Size Φd L LF LP S φd3 F M Tightening Torque
    3-4-4.5-5-6-6.35-7-8 19 27 9.1 5.2 1.8 8.5 3.9 M2.5 1 N.m

    Tips: Structure of diaphragm coupling
    Diaphragm coupling is a metal flexible coupling, which is a transmission device that uses a metal elastic diaphragm as a flexible element to transmit torque. Its main features: large torque transmission capacity, diaphragm deformation to absorb the misalignment of the unit, no relative movement between the parts, no wear, no noise, long vibration damping life, and no need for lubrication. The torsional stiffness and critical speed can be adjusted by changing the outer diameter or wall thickness of the intermediate section, thereby improving the torsional vibration characteristics of the unit.

    The diaphragm coupling is composed of at least one diaphragm and two shaft sleeves. The diaphragm is fastened to the sleeve with a pin and generally will not loosen or cause backlash between the diaphragm and the sleeve. Some manufacturers provide two diaphragms, and some provide three diaphragms, with one or two rigid elements in the middle, and the two sides are connected to the shaft sleeve. The difference between the single diaphragm coupling and the double diaphragm coupling is the ability to handle various deviations. In view of the complex bending of the diaphragm, the single diaphragm coupling is not suitable for eccentricity. The double diaphragm coupling can bend in different directions at the same time to compensate for eccentricity.

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