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公开(公告)号:US11268608B2
公开(公告)日:2022-03-08
申请号:US16518295
申请日:2019-07-22
Applicant: HIWIN TECHNOLOGIES CORP.
Inventor: Yu-Hsin Lin , Chi-Ying Yen
Abstract: A ball screw mountable on a mounting bed includes a screw shaft having a cylindrical shaft body which extends along an axis, and a helical external groove which is provided on the shaft body, a ball nut having a carrier seat which is rotatably sleeved around the shaft body and which has a carrier portion for carrying the mounting bed, and at least one reaction force sensing module attached to the carrier seat and configured to abut against the mounting bed for measuring a reaction force exerted on the mounting bed by the ball nut during displacement of the ball nut along the screw shaft.