TURNING DEVICE FOR STATIC BAR
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United States of America
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app pub date -
Jun 12, 2019
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Jun 12, 2019
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Abstract
A turning device with static bar includes a motor, a driving shaft and a sleeve, which defines a seat for temporarily accommodating at least one portion of the bar being machined. A machining tool is coupled directly or indirectly on the sleeve. A secondary shaft is interposed between the driving shaft and the sleeve and is coupled to the screw of a first assembly constituted by a first recirculating-ball screw and a respective first lead screw integral with the sleeve. The sleeve and first assembly are coaxial and the driving shaft axis is parallel to and separate from the common axis of the sleeve and first assembly.
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