HIGH-SPEED NUT ROTATING FEEDING LEAD SCREW DEVICE
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 6, 2022
filing date -
Dec 6, 2022
priority date (Note) -
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Abstract
A high-speed nut rotation feed ball screw device includes a ball screw, a ball screw nut, a bearing unit, and a driving unit. The ball screw is fixed on a machine tool via a ball screw seat. The bearing unit includes an inner bearing fixing sleeve, an outer bearing fixing sleeve, and a bearing assembly. One end of the inner bearing fixing sleeve is fixedly connected to one end of the ball screw nut, and another end is fixedly connected to the driving unit. The ball screw nut is arranged on the ball screw. The driving unit includes a first pulley, a second pulley, a synchronous belt, and a driving motor. The first pulley is connected to the driving motor. The second pulley is sleeved on the ball screw and is connected to the inner bearing fixing sleeve. The first and second pulleys are connected via the synchronous belt.
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