VERIFICATION HUB AND VERIFICATION METHOD FOR MOTOR VEHICLE HUB RUNOUT TESTER
Abstract:
A verification hub for a motor vehicle hub runout tester includes an outer ring, an end plate and a clamping portion fixed to each other, and the clamping portion is detachably fixed to the end plate; the clamping portion includes a first positioning hole for positioning and clamping, and the cylindricity of the first positioning hole is smaller than a preset value; the outer circumference of the outer ring includes at least two turns of measuring cylindrical surfaces having preset axial lengths and buses parallel to an axis of the first positioning hole, the radial distances between the axes of the measuring cylindrical surfaces and the axis of the first positioning hole are greater than a preset value, and circular runout test values of the measuring cylindrical surfaces are preset first harmonic runout values.
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