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Measurement device for detecting coaxiality of outer circle of ball screw and raceway

A ball screw and measuring device technology, applied in the direction of measuring devices, mechanical measuring devices, mechanical devices, etc., can solve the problems of no direct measurement and inability to directly measure coaxiality, etc., and achieve controllable finishing process, Find or rule out jerky effects

Inactive Publication Date: 2018-10-19
NANJING TECHN EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the ball screw contains a spiral groove, the dial indicator or ruler in the prior art cannot directly measure the coaxiality
Generally, the coaxiality is a process guarantee, that is, when grinding the raceway, it is necessary to detect the runout of the outer circle, and the grinding can only be carried out after passing the test, but there is no direct measurement

Method used

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  • Measurement device for detecting coaxiality of outer circle of ball screw and raceway
  • Measurement device for detecting coaxiality of outer circle of ball screw and raceway

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] Such as figure 1 and figure 2 , the present invention is a measuring device for detecting the coaxiality between the outer circle of a ball screw and the raceway, comprising a support frame 1, a ball head 2 and a measuring gauge 3 with a measuring head, the support frame 1 has a body 11, the body 11 The top end is bent once to the right to form a platform-shaped fixing portion 12 , the bottom end of the body 11 is bent to the right twice to form a V-shaped support portion 13 , and a support block 4 is respectively fixed on both sides of the support portion 13 . Measuring meter 3 is fixed on the fixing portion 12 of support frame 1, and measuring meter 3 is vertically arranged, and the measuring head of measuring meter 3 is fixedly connected with ball head 2, and ball head 2 is placed on the top of support portion 13, and ball head 2 Located between two suppor...

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Abstract

The invention discloses a measurement device for detecting coaxiality of an outer circle of a ball screw and a raceway. The measurement device comprises a supporting frame, a ball head and a measurement gauge having a measurement head, wherein the supporting frame has a body, a top end of the body is bent rightwards one time to form a platform type fixing portion, a bottom portion of the body is bent rightwards two times to form a V-shaped supporting portion, two edges of the supporting portion are respectively fixed with a supporting block, the measurement gauge is fixed at the fixing portionof the supporting frame, the measurement gauge is vertically arranged, the measurement head of the measurement gauge is fixedly connected with the ball head, and the ball head is arranged above the supporting portion and is between the two supporting blocks. The measurement device is advantaged in that measurement of coaxiality is effectively carried out, not only can whether coaxiality of the outer circle and the raceway be qualified is determined after a leading screw is completed, the precise machining process of the leading screw raceway is better controlled, and the reason why the ball nut is out of tolerance with respect to the ball screw is effectively found or eliminated.

Description

Technical field: [0001] The invention relates to a measuring device for detecting the coaxiality between the outer circle of a ball screw and a raceway. Background technique: [0002] After the ball screw assembly is completed, the runout of the ball nut relative to the screw is an important data of the screw set. The coaxiality between the outer circle of the screw and the screw raceway is one of the factors that directly affect the runout value of the ball nut. . Because the ball screw contains a spiral groove, the dial indicator or ruler in the prior art cannot directly measure the coaxiality. Generally, the coaxiality is guaranteed by the process, that is, the outer circle runout needs to be detected when grinding the raceway, and the grinding can only be carried out after passing the test, but no direct measurement is carried out. Invention content: [0003] The present invention provides a measuring device for detecting the coaxiality between the outer circle o...

Claims

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Application Information

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IPC IPC(8): G01B5/252
CPCG01B5/252
Inventor 张海栋
Owner NANJING TECHN EQUIP MFG
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