
Correcting a 3D Printed Bearing-Bore Lead-In Without Losing Fit
Gauge the untouched bore and treat only the entrance defect; do not use the bearing as a cutting tool. Support the work with a rigid nest that supports the boss while keeping the bore axis vertical. Control axis alignment, lead width, boss temperature, runout and repeated gauge checks. Stop when the gauge rocks, the entrance becomes bell-mouthed or the boss shows a stress line.
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