Feeder for an industrial machine, particularly a turret punch press, and an industrial machine utilizing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 3, 2000
Grant Date -
N/A
app pub date -
Jul 29, 1997
filing date -
May 15, 1997
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A ball screw spline shaft 41 is driven for rotation by a drive motor 53 provided at least on one end thereof. When a feeder ball nut 61 moves in response to the rotation of the ball screw spline shaft 41 from one end of the ball screw spline shaft 41 toward the other end, intermediate supports 65 on both sides thereof travel in the same direction at a lower speed on a support guide 67 and the ball screw spline shaft 41. As a result, the intermediate supports 65 on both sides are located in positions around the middle of the distances between the feeder ball nut and both of the ends and moves while supporting the ball screw spline shaft 41. This increases the critical speed of the ball screw spline shaft 41 to increase the speed of rotation of the ball screw spline shaft 41.
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