Gear cutting – milling – or planing – Milling – Process
Patent
1996-02-02
1997-08-19
Briggs, William H.
Gear cutting, milling, or planing
Milling
Process
29 565, 269 57, 409221, 409224, B23Q 1602, B23C 310
Patent
active
056581041
ABSTRACT:
A system for the manufacture of a CO.sub.2 powered dragster with a low-cost three axis machine tool, the system including an expansion base to be fixedly secured to a support surface of the machine tool, and an indexing fixture to be adjustably secured to the expansion base. The indexing fixture has a generally elongate indexing plate which slides within the expansion base and is secured in one of at least two linear indexing positions, thereby positioning a portion of a material block from which a chassis of the dragster is made within a range of linear motion of the spindle, while a remaining portion of the material block is maintained aligned for subsequent positioning with the range of linear motion of the spindle, a rear end housing secured to a rear end of the indexing plate, and a front end housing secured a front end of the indexing plate. Extending through the rear end housing is a rear indexing shaft which clampingly secures the material block between itself and a spur block rotatably disposed at the front end housing. The rear indexing shaft, and accordingly the material block secured thereto, is structured to be selectively aligned, in one of at least two rotational indexing positions, thereby selectively positioning a corresponding surface of the material block within a range of vertical motion of the spindle while an additional surface of the material block is maintained aligned for subsequent positioning within the range of vertical motion of the spindle.
REFERENCES:
patent: 3593984 (1971-07-01), Carman et al.
patent: 4305439 (1981-12-01), Skinner
patent: 4921378 (1990-05-01), Kytola
patent: 5207542 (1993-05-01), Baldwin
patent: 5212857 (1993-05-01), McMurtry
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