Attachment to transform a mechanical into a shaft lathe

Details Attachment to transform a mechanical into a shaft lathe Attachment to transform a mechanical into a shaft lathe

1982-04-08

1984-07-03

Bray, W. D.

Turning

Process of turning

82 25, 82 28R, 82 45, B23B 1300

Patent

active

044571925

ABSTRACT:
In a lathe comprising a lathe bed, a tailstock mounted on the lathe bed at one end thereof, the tailstock carrying a dead center, and a headstock mounted on the lathe bed at a distance from the tailstock at an opposite end thereof, the distance defining the length of the lathe bed, a hollow spindle being rotatably journaled in the headstock and the spindle carrying a live center in alignment with the dead center, the centers being capable of supporting therebetween a workpiece shaft: an attachment for the hollow spindle, the attachment extending from the headstock in a direction away from the tailstock, the attachment being of adjustable length and having an end spaced from the headstock, the attachment end defining a tapered borehole holding the live center for supporting a workpiece shaft having a length exceeding the length of the lathe bed. The attachment permits the shaft to be turned along its entire length in two steps by turning it between the live and dead centers.

REFERENCES:
patent: 1455554 (1923-05-01), Stercklen
patent: 2853902 (1958-09-01), Dominguez
patent: 4217800 (1980-08-01), Furegati
patent: 4383457 (1983-05-01), Corcoran

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