
Sizing a 3D Printed Press-Fit Pin Hole Without Over-Enlarging It
Measure the pin and hole, use a guided sizing method and reserve rotary work for isolated entrance burrs. For this job, control diameter, cylindricity, axis, material creep and insertion depth. Stop if the pin enters at an angle, the hole becomes bell-mouthed or the boss cracks. Accept the work only when the specified pin seats to depth with the approved insertion and retention behavior.
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