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Flange plate hole system free comprehensive installation error rapid evaluation method

An installation error and flange technology, applied in the field of computer-aided measurement, can solve problems such as high cost, difficult disassembly and assembly, and increased cost, and achieve the effects of low cost, high measurement flexibility, and low hardware and mathematical requirements.

Inactive Publication Date: 2021-06-15
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] To sum up, due to the absence of a rapid 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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  • Flange plate hole system free comprehensive installation error rapid evaluation method
  • Flange plate hole system free comprehensive installation error rapid evaluation method
  • Flange plate hole system free comprehensive installation error rapid evaluation method

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Embodiment Construction

[0039] 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.

[0040] The free comprehensive installation error rapid assessment method of the flange hole system consists of the following steps (unit: mm, radian):

[0041] Step 1, obtain the geometric design parameters and measuring points of the hole system of the flange.

[0042] The flange is a thin plate, and there are mounting holes on the flange; the mounting holes are composed 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 Hole nominal size 4.

[0043] Place the mounting surface of the flange close to the xO plane, the center of the installation hole system is close to the origin of the measur...

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Abstract

The invention relates to the field of computer-aided measurement, in particular to a flange plate hole system free comprehensive installation error rapid evaluation method based on mathematical evaluation, which comprises the following steps of 1, acquiring geometric design parameters and measuring points of a flange plate hole system, 2, solving the fitting radius and fitting azimuth deviation of each mounting hole, and 3, according to the nominal diameter, the distribution circle diameter, the hole number, the fitting radius, the fitting translation error and the corresponding relation of the flange plate mounting holes, solving the comprehensive mounting error of the flange plate hole system.

Description

technical field [0001] The invention relates to the field of computer-aided measurement, in particular to a free and comprehensive installation error rapid evaluation method of a flange hole system 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 par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/04G01B21/02
CPCG01B21/02G01B21/04
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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