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Cylindricity three-section measuring method

A measurement method and technology of cylindricity, which is applied in the field of three-section measurement of cylindricity, can solve the problems of sensitive environmental requirements and the inability to use production line measurement devices, etc., and achieve the effect of broad market prospects, no need for positioning, and design optimization

Active Publication Date: 2015-01-28
苏州爱德蒙得测控系统有限公司
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Problems solved by technology

However, the existing methods are sensitive to environmental requirements, and most of them require positioning, which can only be used on the measuring instruments in the measuring room, but not on the measuring devices of the production line.

Method used

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Embodiment Construction

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below, obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] Embodiments of the invention include:

[0031] A three-section measuring method of cylindricity, comprising the following steps:

[0032] (1) Select 3 cross-sections on the side of the cylindrical workpiece to be measured and set 3 sensor groups, each sensor group includes 2 horizontally facing sensors, and record the 3 cross-sections in order from top to bottom as The first cross-section, the second cross-section and the third cross-section, wherein the second cross-section is located between the first cross-sect...

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Abstract

The invention discloses a cylindricity three-section measuring method. The method comprises the steps that (1) three sections are selected on the side face of a cylindrical workpiece to be measured to be provided with three sensor sets; (2) the radius difference of the three sections is measured; (3) the axis linearity error is measured; (4) the cylindricity is measured. In this way, the cylindricity three-section measuring method has the advantages of achieving design optimization, being novel, stable in performance, free of positioning, convenient to operate, precise and accurate, improving the efficiency, being suitable for measuring devices in a production line and the like, and has the wide market prospect when popularized.

Description

technical field [0001] The invention relates to the field of precision measurement, in particular to a three-section measurement method for cylindricity. Background technique [0002] Cylindricity error is one of the main geometry errors controlled in precision machining. The cylindricity of the workpiece is the minimum distance that the cylindrical surface is contained in two coaxial cylindrical surfaces. Cylindricity is the combination of section roundness, taper of different sections and generatrix straightness. [0003] The existing measurement method is to take coordinate points on the surface of the workpiece and then use the least square cylinder method, the maximum inscribed cylinder method, the minimum circumscribed cylinder method, and the minimum contained area cylinder method to calculate the cylindricity of the workpiece. However, the existing methods are sensitive to environmental requirements, most of them need positioning, and can only be used on the measur...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/20
CPCG01B21/20
Inventor 张绪增查尔斯·理查德·梅热耶夫斯基
Owner 苏州爱德蒙得测控系统有限公司
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