Meltable matrix chucking and machining

Details Meltable matrix chucking and machining Meltable matrix chucking and machining

1986-11-17

1988-03-15

Weidenfeld, Gil

Metal working

Plural diverse manufacturing apparatus including means for...

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

269 7, 409221, B23Q 300

Patent

active

047303824

ABSTRACT:
An integrated factory system affords precision machining and inspection of aircraft turbine blades, as well as other metal parts having two generally opposite principal surfaces. It uses only two stages of chucking by the meltable matrix method. After embedding one of the surfaces in the first chuck, which positions the blank relative to a plane of reference, the other surface is machined and inspected according to programs relative to that plane. Without release from the first chuck, the part is transferred to a second chuck for embedding the machined principal surface relative to a second parallel plane of reference a precise distance from that of the first chuck. Machining and inspection is now completed relative to this second plane of reference.
Improved matrix chucks are provided, as well as new chucking apparatus which establishes the planes of reference. A milling machine is provided whose machine table may tilt about a longitudinal axis, alternately raising the long edges of the chuck so that the leading and trailing edges of a blade blank may be completely machined without re-chucking. The machine table is mounted for swinging in reversing arcs about a vertical axis, from which the chucked blade blanks are positioned radially to coincide with their positions about the rotary axis of the engine. The tilt and swing movements of the machine table are programmed as part of the two-stage machining and inspection program.

REFERENCES:
patent: 3083002 (1963-03-01), Lacey, Jr.
patent: 3596317 (1971-08-01), Nicholson
patent: 3700228 (1972-10-01), Peale
patent: 3790152 (1974-02-01), Parsons

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