Ceramic guide pin

Details Ceramic guide pin Ceramic guide pin

1992-02-21

1993-11-09

Hannon, Thomas R.

Bearings

Linear bearing

Plain bearings

219 8624, 219 93, 3849071, B23K 1114, F16C 1700

Patent

active

052596753

ABSTRACT:
A ceramic guide pin having a guide portion, wherein at least the guide portion has a surface so shaped, microscopically, that top portions of outwardly projected portions of the surface are in the shape of gently curved surfaces. The ceramic guide pin can be produced by a process which comprises the steps of preparing a shaped body of a ceramic guide pin by forming or machining in dimensions calculated from the desired finished dimensions and a firing shrinkage allowance factor, sintering said shaped body, and subjecting the sintered body to barrel polishing.

REFERENCES:
patent: 4020316 (1977-04-01), Schaft et al.
patent: 4609805 (1986-09-01), Tobita et al.
patent: 4789768 (1988-12-01), Tobita et al.

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