Sheet metal part machining system

Details Sheet metal part machining system Sheet metal part machining system

1990-10-09

1992-02-18

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

With means to feed work intermittently from one tool station...

83452, 83916, 409219, B23Q 306

Patent

active

050881817

ABSTRACT:
The machining system (10) disclosed here is particularly well-suited for automatically machining flat parts from individual sheets of aluminum. The system (10) includes a machining table defined by a pair of spaced-apart, parallely-extending table beams (18, 20). Clamping rails (192) mounted to each beam (18, 20) grip opposite side edges of an individual sheet (11) of aluminum, in a manner such that the sheet spans the distance between the beams (18, 20). The clamp rails are driven linearly relative to the beams, in order to move the sheet back and forth therebetween. Upper and lower carriage beams (14, 16) also extend transversely across the table beams (18, 20), one above the sheet (11), and the other below. The upper carriage beam (14) carries both a spindle carriage (28) and an upper clamp carriage (30). The spindle carriage (28) moves a cutting tool back and forth sideways relative to the sheet (11), and vertically up and down, for cutting parts from the sheet (11). Any part profile can be machined via the combined movements of the spindle carriage (28) and the clamp rails (192). The upper clamp carriage (28) carries the upper half (133) of a clamping mechanism (131). The lower half (135) of the same is carried by a lower clamp carriage (170) that moves along the lower carriage beam (16) below the sheet (11 ). Both halves cooperatively stabilize the sheet (11) during machining. All three carriages (28, 30, 170) move independently of each other, but are controlled cooperatively for machining parts from the sheet (11).

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