Bibliographic Details
| Title: |
Design of high-precision ball screw based on small-ball concept. |
| Authors: |
Miura, Tetsuya1 te.miura@thk.co.jp, Matsubara, Atsushi2, Kono, Daisuke2, Otaka, Kazuma2, Hoshide, Kaoru3 |
| Source: |
Precision Engineering. Jan2017, Vol. 47, p452-458. 7p. |
| Subjects: |
Statistical accuracy, Machine tool path, Torque, Servomechanisms, Automatic screw machines |
| Abstract: |
This paper addresses a design method of ball screws for high-precision feed drives of machine tools. The torque fluctuation of a ball screw influences position deviation, which deteriorates the contorting accuracy. The torque fluctuation comes from the load change of the contacting balls between the nut and the screw shaft during ball circulation. In order to decrease the load change, a ball screw that employs smaller balls was designed and evaluated in the measurement tests. The experimental results showed that the designed ball screw could decrease both the torque fluctuation and position deviation. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
