Grinding apparatus

Details Grinding apparatus Grinding apparatus

1983-03-09

1985-10-08

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51241VS, 51267, 51281P, B24B 1502

Patent

active

045451524

ABSTRACT:
The grinding apparatus permits precision machining of a valve seat or a sealing surface, and includes a grinding spindle having a holding and guiding part extending into a finished workpiece bore with clearance. The holding and guiding part is smaller in diameter than the grinding spindle and includes a pin which carries on its free end a grinding tool. The other end of the pin passes into the grinding spindle which has a substantially larger diameter. The grinding spindle is located outside the bore of the workpiece and may thus be made very stable. The pin is held by the grinding spindle so that the workpiece is held and guided securely even in the case of very small workpiece diameters.

REFERENCES:
patent: 1859737 (1932-05-01), Guild
patent: 1878116 (1932-09-01), Deutsch
patent: 1938330 (1933-12-01), Hall
patent: 2211216 (1940-08-01), Oster
patent: 2586242 (1952-02-01), Mathews
patent: 2635395 (1953-04-01), Arms et al.
patent: 3056238 (1962-10-01), Hahn

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