Flip-flop grinding method

Details Flip-flop grinding method Flip-flop grinding method

1981-08-12

1984-01-31

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51326, B24B 100

Patent

active

044281650

ABSTRACT:
A method for lapping two flats of substantially the same dimensions in an element having a cone-shaped tip. The method includes the steps of contacting a first region of the cone wherein a flat is to be lapped while the cone is in contact with the lapping surface; rotating the element to a second region wherein a second flat is to be lapped while the tip is in contact with the lapping surface without the cone tip contacting or disturbing the lapping surface; contacting the second region of the cone with the abrasive lapping surface for a predetermined time; and repeating the previous steps until the two flats have been lapped. The time each region contacts the lapping surface is substantially equal and the time during which the element is rotated is small compared to the time each region contacts the lapping surface.

REFERENCES:
patent: 969896 (1910-09-01), Morse
patent: 2205964 (1940-06-01), Taylor
patent: 4104832 (1978-08-01), Keizer
patent: 4162510 (1979-07-01), Keizer
patent: 4164755 (1979-08-01), Matsumoto
patent: 4165560 (1979-08-01), Matsumoto
patent: 4365447 (1982-12-01), Dholakia
patent: 4369604 (1983-01-01), Kaganowicz

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