Universal precision displacement measurement auxiliary device and measuring method

A technology of precision displacement and auxiliary device, applied in the fields of precision measurement, machining, and precision machining, can solve the problems of high requirements for use conditions, high price, difficult to use, etc., and achieves low manufacturing cost, high sensitivity, and convenient maintenance. Effect

Inactive Publication Date: 2007-06-06
JIANGSU UNIV
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Problems solved by technology

However, this type of instrument is expensive and requires very high conditions of use, so it is difficult to use it directly in on-site measurement
[0006] Therefore, for micro-displacement with a displacement of less than 1 micron, there is currently no low-cost precision micro-displacement measuring device that can be directly applied to the production site.

Method used

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  • Universal precision displacement measurement auxiliary device and measuring method
  • Universal precision displacement measurement auxiliary device and measuring method

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Embodiment Construction

[0031] The specific embodiment is described in detail as follows:

[0032] As shown in Figure 1, the relevant functional parameters of this embodiment are specifically as follows:

[0033] The size of the lever shaft Φ = 10mm

[0034] Length of lever active arm L1=20mm

[0035] The length of lever active arm L2=200mm

[0036] The material of supporting knife and supporting block adopts hard alloy and hard knife-edge type supporting.

[0037] Its working process is shown in Figure 1; the process of micro-displacement measurement is:

[0038] (1) Adjust the positions of the first measuring head 5 and the second measuring head 10 according to the accuracy of the displacement measuring instrument used and the requirements of measuring accuracy, so as to obtain the required magnification. Assume that the magnification adjustment K=20 times.

[0039] (2) Adjust the position of the coarse balance weight so that the lever is in a balanced state, so as to minimize the influence of...

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Abstract

This invention disclosed a measuring method for micro-displacement. It was suitable for displacement less than 1 micron. It adopts balance lever system to amplify the displacement so that the precision was largely improved. It adopts two-level balance regulation system to decrease distortion so that the measuring process was stable. The advantages are as follows: the structure was simple; it is easy to handle; the cost was very low.

Description

technical field [0001] The invention belongs to the field of mechanical processing, and in particular refers to a device capable of doubling the precision of a displacement measuring instrument, which is convenient for micro-displacement measurement, and is especially suitable for the fields of precision machining and precision measurement. Background technique [0002] Displacement is the most basic physical quantity, and a large number of studies involve displacement measurement. Therefore, how to measure the displacement of the research object conveniently and accurately has always been a problem to be solved in the field of mechanical processing. Especially with the development of science and technology, the quality requirements of products are getting higher and higher, which leads to higher and higher requirements for displacement measurement accuracy. The measurement of small displacement (also called micro displacement) has become an important means of research proble...

Claims

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Application Information

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IPC IPC(8): G01D5/04G01B5/00G01B5/02
Inventor 王树林王贵成刘远伟沈春根张兵
Owner JIANGSU UNIV
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