Method for detecting local moulded surface of component using hot melt adhesive

A technology for hot melt adhesive and parts, which is applied in measuring devices, optical devices, instruments, etc., can solve the problem of high cost of sample paste, and achieve the effects of saving testing costs, ensuring testing quality, and improving testing efficiency.

Inactive Publication Date: 2012-05-09
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for detecting the local profile of a part by using hot melt adhesive. Aiming at the problem of high cost of the existing sample paste, hot melt adhesive is used to replace the sample paste, and additives are added for coating, so as to save detection cost and reduce The effect of detection time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Coating kerosene on the surface of the part to be tested;

[0013] Heat the hot melt adhesive to a paste state, apply it on the surface of the part to be tested, let it stand for 2 minutes, take it off, slice it and use a projector for detection;

[0014] The composition of hot melt adhesive is polyethylene 63%, polyisobutylene 10%, butyl rubber 8%, microcrystalline wax 19% by weight percentage;

[0015] The detection accuracy of the part surface by the above method meets the specified technical requirements.

Embodiment 2

[0017] Apply lubricating oil on the surface of the part to be tested;

[0018] Heat the hot melt adhesive to a paste state, apply it on the surface of the part to be tested, let it stand for 2 minutes, take it off, slice it and use a projector for detection;

[0019] The composition of the hot melt adhesive is 60% polyethylene, 12% polyisobutylene, 10% butyl rubber, and 18% microcrystalline wax by weight percentage;

[0020] The detection accuracy of the part surface by the above method meets the specified technical requirements.

Embodiment 3

[0022] Coating kerosene on the surface of the part to be tested;

[0023] Heat the hot melt adhesive to a paste state, apply it on the surface of the part to be tested, let it stand for 2 minutes, take it off, slice it and use a projector for detection;

[0024] The composition of the hot melt adhesive is 70% polyethylene, 8% polyisobutylene, 12% butyl rubber, and 10% microcrystalline wax by weight percentage;

[0025] The detection accuracy of the part surface by the above method meets the specified technical requirements.

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PUM

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Abstract

The invention discloses a method for detecting a local moulded surface of a component using hot melt adhesive, wherein the method comprises the following steps of: (1), coating kerosene or lubricating oil on the surface of the moulded surface of a component to be detected; (2), heating up the hot melt adhesive to be paste, coating the paste to the surface of the moulded surface of the component to be detected; taking down the surface and slicing after stewing, and using a projector to detect. The method in the invention can save the detecting cost by more than 50%; the method is simple, the sizing time is short, the detecting precision is high, and the method can be applied to the detecting technology of all component local moulded surfaces, thus the detecting efficiency can be improved by more than 60% while the detecting quality is ensured.

Description

technical field [0001] The invention relates to a method for detecting the profile of a part, in particular to a method for detecting the partial profile of a part by using hot melt adhesive. Background technique [0002] Using sample paste to measure the profile, groove, fillet or chamfer of a part is a special measurement technology. To detect the profile of a machined part, the sample paste is usually applied to the surface of the profile and taken after 20 minutes. Next, after slicing, a projector is used to test the slices; at present, the sample paste used in domestic parts with high accuracy is imported, and the cost is relatively high. Finding a method to replace the imported sample paste coating to test the part surface is There is an urgent need to solve the problem. Contents of the invention [0003] The invention provides a method for detecting the local profile of a part by using hot melt adhesive. Aiming at the problem of high cost of the existing sample pas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24
Inventor 常久青陈桂荣韩忠真何东敏张生宇
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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