Cut-off and face machine

Details Cut-off and face machine Cut-off and face machine

1982-03-23

1984-02-14

Bray, W. D.

Turning

Severing or cut-off

Infeed means

82 59, B23B 304

Patent

active

044309139

ABSTRACT:
A pipe facing machine performs cutting, bevelling and deburring operations on an end of a pipe that is stationarily held in the same position during all three operations. A tool head that rotates about the pipe carries knives for performing the various operations. Initially, two diametrically opposed cutting knives are advanced in a radially inward direction to engage the pipe while the tool head is rotating to cut it at a predetermined location. Thereafter, as the cutting knives are being withdrawn, a bevelling knife and a deburring knife are advanced radially inward to a point where the bevelling knife provides a desired bevel on the cut edge of the pipe. During the radially inward motion of the deburring knife, it is maintained at an axially displaced position where it does not engage the pipe. Once it is located radially within the interior of the pipe, it is axially moved to a position where it is in alignment with the cut, bevelled edge of the pipe, and it is then withdrawn in a radially outward direction simultaneously with the bevelling knife, to remove the burr provided on the interior edge of the pipe by the bevelling knife.

REFERENCES:
patent: 2537916 (1951-01-01), Rosenboom
patent: 3168002 (1965-02-01), Walling
patent: 3724303 (1973-04-01), Rinaldo
patent: 3732758 (1973-05-01), Rinaldo
patent: 3848489 (1974-11-01), Santana
patent: 3916519 (1975-11-01), Gilmore
patent: 4219370 (1980-08-01), Hoaglin et al.

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