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Numeric control processing method for single-curvature-degree coating chemically-milling sample plate

A processing method and template technology, applied in the direction of program control, computer control, general control system, etc., can solve problems such as difficult quality assurance, low accuracy, and poor coordination and consistency of samples, so as to improve the degree of automation, ensure processing deviation, improve The effect of production efficiency

Inactive Publication Date: 2012-09-12
XIAN AIRCRAFT IND GROUP
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Problems solved by technology

In this manual operation method, the processing is all based on the experience of the workers, the quality is difficult to guarantee and the accuracy is low, and the processing deviation of each sample cannot be guaranteed to be consistent, resulting in poor coordination and consistency of multiple samples during multiple chemical milling. , the tolerance range of ±0.3 is not easy to guarantee

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  • Numeric control processing method for single-curvature-degree coating chemically-milling sample plate
  • Numeric control processing method for single-curvature-degree coating chemically-milling sample plate
  • Numeric control processing method for single-curvature-degree coating chemically-milling sample plate

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Embodiment Construction

[0012] The present invention is a numerical control processing method for a single-curvature skin chemical milling template, which mainly includes the following steps: first, the theoretical data 1 of a single-curvature skin part that needs chemical milling is developed by a computer system to form a two-dimensional plane figure 2 ; Secondly, according to the two-dimensional plane figure 2 Compile the NC machining program; process the plane sample 4 on the sample plate to be processed through the planar NC machining technology again; and finally form the single-curvature chemical milling sample 10 according to the back-cut outer sample 6 .

[0013] figure 1 It is shown that the theoretical data 1 of the part is expanded by computer software to form a two-dimensional plane figure 2 , there is a chemical milling mark line 3 on the expanded plan. figure 1 The chemical milling marking line 3 shown in generally includes the truss axis, the chemical milling end line, the frame ...

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Abstract

The invention discloses a numeric control processing method for a single-curvature-degree coating a chemically-milling sample plate. The numeric control processing method comprises the following steps of: expanding theoretical data of a single-curvature-degree coating to be chemically milled to form a two-dimensional planar graph through a computer system; obtaining a plane sample plate by numeric control processing; and finally, forming the single-curvature-degree coating chemically-milling sample plate. According to the numeric control processing method, the automatic manufacturing degree of the chemically-milling sample plate is improved, the production efficiency is greatly increased, favorable compatibility of a plurality of sample plates during milling for multiple times can be ensured and the consistent processing deviation (-0.08) is obtained.

Description

technical field [0001] The invention relates to the technical field of aircraft manufacturing, in particular to a numerical control processing method for a single-curvature skin chemical milling template. Background technique [0002] In aircraft production, the product design should reduce the weight of the product as much as possible under the premise of ensuring the strength. Therefore, a large number of parts, such as fuselage skins, wing panels, reinforced flaps, reinforced backing plates, etc., are mostly made of chemical milling. method to reduce the weight of the product. Chemical milling is a method of machining parts by chemical solution erosion. The chemical milling parts are divided into plane chemical milling, single curvature chemical milling and double curvature chemical milling. During the processing of chemical milling parts, there must be a chemical milling template with the same curvature as the part. Under the condition that the template and the part ar...

Claims

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Application Information

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IPC IPC(8): C23F1/04G05B19/4093
Inventor 段仙梅周豪基
Owner XIAN AIRCRAFT IND GROUP
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