Measuring method of columnar part inner and outer diameter measuring device

A technology of measuring devices and measuring methods, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of limited measurement accuracy, low measurement efficiency, and low measurement efficiency of plug gauges, so as to improve measurement accuracy and ensure measurement efficiency. Effect

Active Publication Date: 2021-01-05
JIANGSU JITRI JINGKAI HIGH VALUE MFG CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The measurement efficiency of the plug gauge is low and the measurement accuracy is limited; during the measurement process of the three-coordinate measuring machine, many points on the surface of the tested part need to be collected, and the measurement efficiency is low

Method used

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  • Measuring method of columnar part inner and outer diameter measuring device
  • Measuring method of columnar part inner and outer diameter measuring device
  • Measuring method of columnar part inner and outer diameter measuring device

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] Such as figure 1 and figure 2 A device for measuring the inner and outer diameters of cylindrical parts is shown, and the device for measuring inner and outer diameters of cylindrical parts includes a base plate 1, a column 2 vertically arranged on the base plate, a vertical movement assembly arranged on the column 2, and a vertical movement assembly arranged on the base plate 1, the workpiece fixture 72 arranged on the rotating assembly, the measuring assembly arranged on the vertical motion assembly, the direct-drive linear motor 51, and the high-precision displacement sensor 62, and the direct-drive linear motor 51 drives The vertical movement assembly, the measurement assembly is used to measure the displacement of the vertical movement assembly, and the high-precision displacement sensor 62 is used to measure the inner and outer diameters of the cylindr...

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Abstract

The invention relates to a measuring method of a columnar part inner and outer diameter measuring device. The columnar part inner and outer diameter measuring device comprises a bottom plate, a standcolumn vertically arranged on the bottom plate, a vertical movement assembly arranged on the stand column, a rotating assembly arranged on the bottom plate, a workpiece clamp arranged on the rotatingassembly, a measuring assembly arranged on the vertical movement assembly, a direct-drive linear motor, and a high-precision displacement sensor, wherein the direct-drive linear motor drives the vertical movement assembly. According to the invention, the influence of the eccentric error of the columnar part in the clamping process on the inner and outer diameter measurement result is effectively reduced; the influence of the cylindricity of the part positioning surface and the coaxiality error of the part positioning surface and the measured surface on the inner and outer diameter measurementresult of the columnar part is reduced; the non-contact measurement ensures the measurement efficiency and does not interfere with or damage the measured surface. The measurement precision of the inner diameter and the outer diameter of the columnar part is improved to a sub-micron level.

Description

technical field [0001] The invention relates to the field of inner and outer diameter detection, in particular to a measuring method for a device for measuring inner and outer diameters of cylindrical parts. Background technique [0002] At present, the measurement of the inner and outer diameters of cylindrical parts mainly uses the method of plug gauge (through gauge, stop gauge) and the method of using a three-coordinate measuring machine. When using the plug gauge, the go gauge and the stop gauge are used together. When the go gauge can pass the measured object but the stop gauge cannot, it proves that the size of the measured object is between the go gauge and the stop gauge. The three-coordinate measuring machine is a general-purpose measuring device. It can also be used to measure linear, plane, and position features in addition to cylindrical features. When measuring a cylindrical surface, the measuring head senses position information by touching different points on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/12G01B11/08
CPCG01B11/08G01B11/12
Inventor 李阳佃松宜牛增渊陈任寰霍德鸿丁辉
Owner JIANGSU JITRI JINGKAI HIGH VALUE MFG CO LTD
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