Process and apparatus for finishing magnetic half-core members o

Details Process and apparatus for finishing magnetic half-core members o Process and apparatus for finishing magnetic half-core members o

1975-11-07

1976-12-14

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51327, 198813, 198820, B24B 1500, B24B 100

Patent

active

039967000

ABSTRACT:
A finishing process for magnetic half-core members of the pot core type, comprising a base, a cylindrical part and a central annular part. The half-core members are carried by a belt moving past at least one machining apparatus, the half-core members are placed in the belt such that, in the machining apparatus, the cylindrical part moves against two parallel fixed abrasive surfaces, between which is disposed an abrasive cylinder, which projects with respect to said abrasive surfaces, in order to machine simultaneously the central annular part, whereby an air gap is formed when two half-core members are assembled.

REFERENCES:
patent: 1936991 (1933-11-01), Pinkney
patent: 3120892 (1964-02-01), Henning
patent: 3310161 (1967-03-01), Kraft
patent: 3847271 (1974-11-01), Culley

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