Method of forming high precision through holes in workpieces wit

Details Method of forming high precision through holes in workpieces wit Method of forming high precision through holes in workpieces wit

1990-10-17

1992-03-03

Albritton, C. L.

Electric heating

Metal heating

By arc

2191217, 21912169, B23K 2600

Patent

active

050935488

ABSTRACT:
A method of forming a high precision through hole in a workpiece with a laser beam consists in forming a through hole having a hole section with a diameter equal to a nominal diameter of the through hole, and a hole section with a diameter which is bigger than the nominal diameter of the through hole.

REFERENCES:
patent: 3833786 (1974-09-01), Brucker
patent: 4181051 (1980-01-01), Drori
patent: 4932112 (1990-06-01), Tikkanen

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