In a ball screw drive comprising a spindle (1), a nut (3) surrounding the spindle (1), and balls (4) arranged between the spindle (1) and the nut (3), which balls (4) are in rolling contact with a screw track (2) formed on the spindle (1) and on corresponding screw tracks (7, 12) formed on rings arr
In a ball screw drive comprising a spindle (1), a nut (3) surrounding the spindle (1), and balls (4) arranged between the spindle (1) and the nut (3), which balls (4) are in rolling contact with a screw track (2) formed on the spindle (1) and on corresponding screw tracks (7, 12) formed on rings arranged within the nut (3) comprises a deflecting region for returning the balls (4) from a run-out end of a common turn of the screw tracks (2, 7, 12) to a run-in end of this turn, the screw tracks (7, 12) of the rings arranged in the nut (3, 15) are made on front faces of these rings with the screw tracks (7, 12) of two adjacent rings defining together with the screw track (2) of the spindle (1, 18), an endless circulation channel for the balls (4).
대표청구항▼
The invention claimed is: 1. A ball screw drive comprising a spindle (1, 18), a nut (3,15) surrounding the spindle (1, 18), and balls (4) arranged between the spindle (1, 18) and the nut (3, 15), which balls (4) are in rolling contact with a screw track (2) formed on the spindle ( 1, 18) and on
The invention claimed is: 1. A ball screw drive comprising a spindle (1, 18), a nut (3,15) surrounding the spindle (1, 18), and balls (4) arranged between the spindle (1, 18) and the nut (3, 15), which balls (4) are in rolling contact with a screw track (2) formed on the spindle ( 1, 18) and on corresponding screw tracks (1,9, 10, 12) formed on rings arranged within the nut (3, 15), at least one of these rings forming deflecting region ( 13, 20) for returning the balls (4) from a run-out end of a common turn of the screw tracks (7, 9, 10, 12) to a run-in end of this turn, the screw tracks (7, 9 , 10, 12) of the rings arranged in the nut (3, 15) being made on front faces of these rings, so that the screw tracks (7, 9, 10, 12) of two adjacent rings define, together with the screw track (2) of the spindle (1, 18), an endless circulation channel for the balls (4), characterized in that the nut (3, 15) is a thin-walled bushing made by shaping without machining that comprises a bent-over bushing flange (6) wherein one of these rings is axially supported on the bushing flange (6) of the nut (3). 2. A screw drive according to claim 1, characterized in that the bushing flange (6) effects lash adjustment and pre-stressing of the ball screw drive. 3. A screw drive of claim 1, characterized in that the rings arranged in the nut (15) are two insert rings (16, 17 ) that are configured as stamped washers. 4. A screw drive of claim 1, wherein a spring element ( 14, 21) is arranged in the nut (15) between the bent-over flange (6) and the insert ring (5, 17). 5. A screw drive of claim 4, wherein the spring element ( 14, 21) is configured as a ring and made of a resilient material. 6. A ball screw drive according to claim 1, characterized in that the nut (3) comprises a bushing flange (11) that acts as a ring and comprises a screw track (12), an insert ring ( 5) comprising a screw track (7) being arranged within the nut (3) axially next to the annular bushing flange (11). 7. A screw drive according to claim 1, characterized in that one of the rings arranged in the nut (3) is configured as a deflecting cage (8) that comprises on both its front faces, screw tracks (9, 10) having deflecting regions (13). 8. A screw drive according to claim 7, characterized in that the deflecting cage (8) is arranged in the nut (3) axially next to an inert ring (5) comprising a screw track (7). 9. A screw drive according to claim 7, characterized in that in the deflecting cage (8) is arranged in the nut (3) axially next to a bushing flange (11) of the nut (3) comprising a screw track 12.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Teramachi Hiroshi (34-8 ; Higashitamagawa 2-chome Setagaya-ku ; Tokyo JPX), Ball screw having an axially extending ball deflector.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.