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A Calculation Method for Computation of Different Planes and Different Quantities

A calculation method and different technology, applied in geometric CAD, special data processing applications, CAD numerical modeling, etc., can solve the problems of cumbersome analysis and calculation process, error-prone, large repair amount, etc., to avoid the analysis and derivation process, calculation The effect of reducing the difficulty and reducing the amount of repairs

Active Publication Date: 2021-08-31
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because this one-sided repairing method is not only cumbersome and error-prone in the analysis and calculation process, but also cannot guarantee the reasonable distribution of repairing amount, resulting in excessive repairing amount, so people have been looking for a simpler and more reasonable method
[0003] Although some new methods have emerged during the exploration process, such as solving the size of the repair ring before repair by establishing an assembly dimensional chain involving the repair quantity; or applying the principle of dimensional chain to the repair method from the perspective of equipment maintenance; In addition, the extreme value method is used to determine the dimensional tolerance of the fitting ring, etc., but these are only slightly adjusted on the basis of the traditional fitting method, and have not fundamentally solved the problem

Method used

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  • A Calculation Method for Computation of Different Planes and Different Quantities
  • A Calculation Method for Computation of Different Planes and Different Quantities
  • A Calculation Method for Computation of Different Planes and Different Quantities

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Embodiment Construction

[0030] Such as figure 1 , 2 , 3, and 4 show the assembly diagram of the large carriage and guide rail of the lathe, in which , After assembly, the pressure plate and the guide rail are required to ensure the clearance in the vertical direction , Now select the pressure plate as the repair part, repair and scrape the upper P or the lower M to ensure the assembly accuracy. Processing according to economical precision, set , , try to determine the repair ring Dimensions and maximum repair capacity.

[0031] Calculation method of different plane and different quantity

[0032] (1) According to the assembly drawing, find out the assembly relationship, and draw the assembly size chain diagram to obtain the size relationship formula:

[0033] (2) Determine the distribution position of the tolerance zone of each component ring according to the principle of "into the body"

[0034] , ,

[0035] (3) Use the vertical method to find

[0036] Calculation of dimen...

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Abstract

The purpose of the present invention is to provide a repairing calculation method with different surfaces and different quantities. The method determines the dimensional tolerance and repairing amount of repairing parts according to the difficulty of repairing the repairing surface. Compared with the existing single-sided repairing method, the repairing workload is reduced Small and economical.

Description

technical field [0001] The invention belongs to the field of mechanical assembly, and in particular relates to a repair calculation method for different planes and different quantities. Background technique [0002] In the assembly process of mechanical products, when the assembly accuracy is high and there are many constituent rings in the dimensional chain, the calculated tolerance of each constituent ring is too small, and its accuracy is difficult to guarantee. The repair method is often used for assembly and all of them are repair orders. one side. The traditional calculation method of the repair method is to analyze and judge different repair situations, determine the calculation formula, substitute the data, calculate the dimensional tolerance of the repair parts, and then determine the repair amount according to the relevant part size. Because this one-sided repair method is not only cumbersome and error-prone in the analysis and calculation process, but also cannot...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17G06F111/10
CPCG06F30/17G06F2111/10
Inventor 王友利王晓慧车东东
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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