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Method for accurately evaluating comprehensive installation error of two flange plate hole systems

An installation error and flange technology, which is applied in the field of accurate evaluation of the comprehensive installation error of two flange hole systems, can solve the problems of high cost, difficult disassembly and assembly, and increased cost, and achieves low cost and high measurement flexibility. , effects with low hardware and math requirements

Inactive Publication Date: 2021-07-09
柳州鹿寨县唐秦泰测量技术有限公司
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Problems solved by technology

However, the cost increase of this method is significant due to the difficult disassembly and assembly of many actual parts
[0007] In summary, due to the absence of an accurate evaluation method, the existing technology has a high cost when solving the assembly problem of flange parts that are difficult to be completely interchanged

Method used

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  • Method for accurately evaluating comprehensive installation error of two flange plate hole systems
  • Method for accurately evaluating comprehensive installation error of two flange plate hole systems
  • Method for accurately evaluating comprehensive installation error of two flange plate hole systems

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Embodiment Construction

[0037] The following are specific embodiments of the present invention, and the solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

[0038] The precise evaluation method of the comprehensive installation error of the two flange hole systems consists of the following steps (unit: mm, radian):

[0039] Step 1. Obtain geometric design parameters and measurement points.

[0040] There is a main flange and a secondary flange on the two parts to be installed; the flanges are all thin plates, and there are mounting holes with the same geometric design on the flanges; each mounting hole consists of 4 mounting holes. The mounting holes are perpendicular to the mounting surface of the flange, and are evenly distributed on a circle with a nominal diameter of 25 in the mounting surface, and the nominal size of the mounting holes is 4.

[0041] Place the mounting surface o...

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Abstract

The invention relates to the field of computer-aided measurement, in particular to a mathematical evaluation-based comprehensive installation error accurate evaluation method for two flange plate hole systems, which comprises the following two steps of: 1, acquiring geometric design parameters and measuring points; and 2, according to the nominal diameter, the distribution circle diameter, the hole number and the measuring point set of the primary and secondary flange plate mounting holes, solving the comprehensive mounting error between the primary and secondary flange plate hole systems.

Description

technical field [0001] The invention relates to the field of computer aided measurement, in particular to a method for accurately evaluating comprehensive installation errors of two flange hole systems based on mathematical evaluation. Background technique [0002] Flanges are widely used in the mechanical field. At present, the flange mainly controls the minimum gap (reflecting the assemblability) and the maximum gap (reflecting the assembly accuracy) of the two flange hole systems by controlling the size tolerance and position tolerance of the mounting hole system. [0003] If the dimensional tolerance and geometric tolerance of the design are appropriate, and the dimensional and geometric errors of the parts are in line with the design tolerances, then the assemblability and assembly accuracy of the parts can be guaranteed. At this point, parts are fully interchangeable. [0004] If the dimensional and geometric tolerances of the design are small, the possibility of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/10G06F30/10G01B21/04
CPCG01B21/04G06F17/10G06F30/10
Inventor 秦屈文
Owner 柳州鹿寨县唐秦泰测量技术有限公司
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