Contouring machine for printed circuits

Details Contouring machine for printed circuits Contouring machine for printed circuits

1985-02-06

1987-04-14

Weidenfeld, Gil

Gear cutting, milling, or planing

Milling

Including means to infeed rotary cutter toward work

144134A, 409205, 409227, B23C 900

Patent

active

046574522

ABSTRACT:
Contouring of a stack of one or more circuit boards is effected by first partially cutting the contour, leaving a portion of the contour long enough to ensure the rigidity of the circuit with respect to the board. The circuit is then clamped, while the remaining portion is cut without any discontinuity in the cutting. The machine comprises an operating head and a workpiece pressing pad which is operated for clamping the circuit during the cutting of the remaining portion of the contour. The pad is movable with respect to the head in a direction parallel to the uncut portion of the contour for displacement at least equal to the length of such portion. After the cut, as the head is raised, the pad is returned to rest position by the camming action of a roller against a sloping edge.

REFERENCES:
patent: 3587391 (1971-06-01), Pitts
patent: 3730634 (1973-05-01), Gerber et al.
patent: 4037982 (1977-07-01), Clement
patent: 4158987 (1979-06-01), Smith
patent: 4212570 (1980-07-01), Larsson
patent: 4244669 (1981-01-01), Puritz et al.
patent: 4382728 (1983-05-01), Anderson et al.
patent: 4443141 (1984-04-01), Kosmowski
patent: 4530627 (1985-07-01), Kosmowski

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