Method of and apparatus for machining structural shapes

Details Method of and apparatus for machining structural shapes Method of and apparatus for machining structural shapes

1993-09-07

1994-11-29

Briggs, William

Tool changing

Process

29 26A, 29 33P, 36447421, 408 26, 408 31, 409159, B23P 2302, B23B 3902, B23C 110

Patent

active

053685385

ABSTRACT:
A boring apparatus provided with feed and discharge roller conveyors for drilling holes in heavy steel structural shapes can be constructed so that at least one boring unit is transformable into a milling unit, the computer being programmed with a milling program. The mechanism for advancing the workpiece used for boring is thus used also for displacing the workpiece during milling so that milling tables upon which the workpiece must be clamped and the like need not be provided. The system also avoids the need to move the massive workpieces between boring/milling units.

REFERENCES:
patent: 3581623 (1971-06-01), Galbarini
patent: 3614909 (1969-03-01), Neuser
patent: 4604705 (1986-08-01), Imanishi
patent: 4667383 (1987-05-01), Peddinghaus
patent: 4796341 (1989-01-01), Kuhn II
patent: 4945958 (1990-08-01), Shoda
patent: 5161298 (1992-11-01), Stursberg

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