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Roundness measuring instrument and measuring method thereof

A roundness measuring instrument and roundness error technology, applied in the field of roundness measuring instrument and its measurement, can solve the problems of high environmental temperature requirements, slow detection speed of roundness instrument, high equipment cost, etc., and achieve low environmental requirements, reduce The effect of low detection cost and hardware cost

Active Publication Date: 2014-01-29
SHANGHAI SANDA AUTOMOBILE PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing roundness meter has slow detection speed, high equipment cost, and high requirements for ambient temperature, which is suitable for laboratory environment applications

Method used

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  • Roundness measuring instrument and measuring method thereof
  • Roundness measuring instrument and measuring method thereof
  • Roundness measuring instrument and measuring method thereof

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Embodiment Construction

[0044] The specific implementation of the roundness measuring instrument and its measuring method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0045] See attached figure 1 And attached figure 2 , a swing cylinder 2 is fixedly installed on the base 1 of the roundness measuring instrument, and the swing cylinder 2 is controlled by a pneumatic unit to realize rotation and swing. The fixed part of the swing cylinder 2 is fixedly connected with the base 1, and the swing part of the swing cylinder 2 is fixedly connected with a platform3. A sensor bracket 5 is arranged on the platform 3 through the connecting plate 4. The sensor bracket 5 is a hollow structure connected up and down. Four displacement sensors 6 are arranged on the sensor bracket 5. The four displacement sensors 6 are arranged in a cross shape, and the two displacement sensors are arranged in the same position. On a straight line, perpendicular to each o...

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Abstract

The invention relates to the technical field of machining and detection and discloses a roundness measuring instrument comprising a base and a signal processing unit. A sensor support that is of an up-down-through hollow structure is arranged on a platform arranged on the base, and four displacement sensors which are in crossed arrangement are mounted on the sensor support. A mandrel is fixedly arranged on the base and penetrates the platform to extend into the sensor support. A mount is arranged at the top end of the mandrel and located right below the four displacement sensors. The invention further discloses a measuring method of the roundness measuring instrument. By means of four-point synchronous measurement, the measurement speed is increased greatly.

Description

technical field [0001] The invention relates to the technical field of mechanical processing and detection, in particular to a roundness measuring instrument and a measuring method thereof. Background technique [0002] The roundness measurement of existing cylindrical parts or tubular parts is all completed by a roundness meter, which is a measuring tool for measuring the roundness error of a workpiece by using the rotary axis method. The roundness meter is divided into two types: sensor rotary type and table rotary type. [0003] The existing roundness meter has slow detection speed, high equipment cost and high requirement for ambient temperature, and is suitable for laboratory environment applications. Contents of the invention [0004] The object of the present invention is to solve the above-mentioned technical problems, and provide a roundness measuring instrument and its measuring method. Four displacement sensors are used to measure the four directions of the par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/20
Inventor 施海锋
Owner SHANGHAI SANDA AUTOMOBILE PARTS
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