Bar feeder apparatus for automatic lathes

Details Bar feeder apparatus for automatic lathes Bar feeder apparatus for automatic lathes

1991-10-04

1993-03-23

Bilinsky, Z. R.

Turning

Lathe

With work feeder or remover

414 17, B23B 1500

Patent

active

051954095

ABSTRACT:
A bar feed apparatus for supplying elongated bar stock to the headstock of an automatic lathe. An elongated guide tube receives the stock and includes a hydraulic piston that controllably advances the stock toward the lathe. For cushioning the rotating bar stock against vibration within the tube, controlled quantities of hydraulic fluid is forced longitudinally into an annular clearance about the piston to and about the bar stock. A flexible seal secured downstream of the piston effects collapse during the forward stoke of the piston and effects a vacuum seal during a vacuum induced return stoke of the piston.

REFERENCES:
patent: Re29905 (1979-02-01), Scheurer
patent: 3074566 (1963-01-01), MacBlane, Sr.
patent: 4365529 (1982-12-01), Neukomm
patent: 4406190 (1983-09-01), Mason
patent: 4421446 (1983-12-01), Leon et al.
patent: 4423993 (1984-01-01), Eaton
patent: 4507992 (1985-04-01), Vandevoir et al.
patent: 4596170 (1986-06-01), Vandevoir et al.
patent: 4621550 (1986-11-01), Berns

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