Built-in slide valve throttling static pressure nut pair
A nut pair, built-in technology, applied in the direction of transmission, transmission parts, gear lubrication/cooling, etc., can solve the problems of increasing the length of the nut, affecting the transmission accuracy, unstable throttling characteristics, etc., to reduce the length, avoid Oil supply pipeline, good throttling performance
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[0025] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0026] The invention provides a built-in slide valve throttling static pressure nut, such as Figure 1-3 As shown, including matching lead screw 1 and nut 2, wherein:
[0027] The two sides of each internal thread tooth surface of the nut 2 have a first oil chamber 3 and a second oil chamber 4 respectively. A hydrostatic oil film is formed between the sides;
[0028] On the outer circle of the nut 2, a groove 5 communicating with the first oil chamber 3 and the second oil chamber 4 is provided at each internal thread tooth, and a movable throttling member 7 is installed in the groove 5;
[0029] An oil supply groove 6 communicating with the groove 5 is also arranged on the outer circle of the nut 2;
[0030] The outer circle of the nut 2 is fitted wit...
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