Automatic printed circuit board two-bevel forming machine

Details Automatic printed circuit board two-bevel forming machine Automatic printed circuit board two-bevel forming machine

1998-03-16

1999-10-26

Pitts, Andrea L.

Gear cutting, milling, or planing

Milling

Means to trim edge

409192, 409207, 451 44, B23C 130

Patent

active

059716800

ABSTRACT:
Disclosed is an automatic printed circuit board two-bevel forming machine which includes a conveyer, a first cutter assembly which is disposed above the conveyer, and a second cutter assembly which is disposed below the conveyer. The first cutter assembly includes a first rough and a first fine bevel cutter. The second cutter assembly includes a second rough and second fine bevel cutter. The rough and fine bevel cutters of the first and second cutter assemblies incline at a suitable angle toward the upper and lower edges of the PCBs being conveyed. The rough and fine cutters stretch or shrink to a suitable position controlled by a pneumatic driving device. When the PCBs pass through the first and second cutter assemblies sequentially by means of the conveyer, the rough and fine bevel cutters of the first cutter assembly cut and grind the upper edge to form an upper fine bevel, and the rough and fine bevel cutters of the second cutter assembly cut and grind the lower edge to form a lower fine bevel. A very fine two-bevel edge is obtained without any manual operations, and the manufacture cost is thus reduced.

REFERENCES:
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patent: 4985982 (1991-01-01), Lohr et al.
patent: 5117590 (1992-06-01), Kudo et al.
patent: 5327686 (1994-07-01), Park

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