Machine tool featuring a number of machining heads for machining

Details Machine tool featuring a number of machining heads for machining Machine tool featuring a number of machining heads for machining

1998-09-29

2000-08-08

Harrison, Jessica J.

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29743, 29740, 483 13, 483 55, B23P 1900

Patent

active

060982748

ABSTRACT:
The machine tool featuring a number of machining heads for machining printed circuit boards has a worktable movable along the Y axis, and two rows of four machining heads fitted to a common carriage movable along the X axis. The circuit boards are arranged in packs, each having two locating pins for aligning and locking the pack to a respective rectangular fixture fitted to the worktable with the short side parallel to the Y axis. Each pair of heads is provided with a pair of tool-change devices and a common tool store, which is defined by one or two boxes removably insertable inside respective supports fitted to the carriage; three pairs of tool-change devices are housed inside gaps between adjacent pairs of fixtures; and a further two pairs of tool-change devices are located adjacent to the end fixtures.

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"Gridless Printed Circuit Baord Drilling Machine", IBM Technical Disclosure Bullentin, vol. 31, No. 11, Apr. 1989, pp. 242-243.

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