Tool changing – Process
Reexamination Certificate
1998-11-27
2001-04-03
Briggs, William (Department: 3722)
Tool changing
Process
C029S707000, C029S712000, C409S131000, C409S218000, C483S014000
Reexamination Certificate
active
06210307
ABSTRACT:
This invention relates to equipment for cutting and shaping parts.
More particularly, the invention relates to apparatus for automatically machining a plurality of unfixtured small parts each sized to fit within a cube about six inches square.
In another aspect, the invention relates to machining apparatus including a computer program which, when selected part parameters are input into the computer program, automatically makes a tray for holding a plurality of the parts.
In a further aspect, the invention relates to a method for retrofitting a conventional manned vertical machining center (VMC) to produce an unmanned machining center (UMC) which can eliminate operator errors while sequentially automatically machining a plurality of small parts.
A vertical machining center is a piece of machining equipment which maintains a drill or other tool in a vertical orientation while the tool is moved up and down or laterally. The tool is utilized to cut material from a work piece.
While vertical machining centers have existed for many years, one particular drawback of conventional vertical machining centers appears to be their inability to automatically machine small unfixtured parts each sized to fit in cube having six inch long edges.
Accordingly, it would be highly desirable to provide an improved vertical machining center adapted to automatically machine small work pieces.
Therefore, it is a principal object of the invention to provide an improved vertical machining center.
Another object of the invention is to provide a method for adapting a conventional vertical machining center to machine automatically small parts or work pieces.
REFERENCES:
patent: 4404727 (1983-09-01), Zankl
patent: 4571814 (1986-02-01), Palfrey et al.
patent: 4608747 (1986-09-01), Link et al.
patent: 4809425 (1989-03-01), Monforte
patent: 4951376 (1990-08-01), Grund
Briggs William
Nissle P.C. Tod R.
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