Apparatus for controlling rapid feed speed of movable bodies

Details Apparatus for controlling rapid feed speed of movable bodies Apparatus for controlling rapid feed speed of movable bodies

1990-10-31

1992-03-10

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

192141, 192146, F16H 2520

Patent

active

050941143

ABSTRACT:
In apparatus for controlling a rapid feed speed of a movable body, for example a table of a machine tool, by using a ball screw, there are provided a converting device for converting the rotation of the ball screw into a force for reciprocating the table, a position detector which judges whether a nut of the ball screw is at an end of the movement of the nut or at a central portion of the movement for issuing a detection signal and a speed reducing device which reduces the number of revolutions of the ball screw when the detection signal is issued.

REFERENCES:
patent: 1590570 (1926-06-01), Flack et al.
patent: 4666026 (1987-05-01), Poulin
patent: 4715580 (1987-12-01), Mueller
patent: 4893704 (1990-01-01), Fry et al.
patent: 4929165 (1990-05-01), Inaba et al.

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