Numerical control machining method for thin narrow notch with thin edge

A processing method and edge technology, applied in the field of mechanical processing, can solve problems such as difficult determination of processing benchmarks and deformation of tooling

Active Publication Date: 2012-10-03
SHENYANG AIRCRAFT CORP
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  • Abstract
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Problems solved by technology

[0002] The structural characteristics of parts with thin edges and narrow notches are sharp, thin, and double-sided profiles, which need to be turned over, and the processing standard is difficult to determine...

Method used

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  • Numerical control machining method for thin narrow notch with thin edge
  • Numerical control machining method for thin narrow notch with thin edge

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Embodiment Construction

[0019] Such as figure 1 Shown, a kind of numerical control processing method of the narrow notch of thin edge, the depth of this notch is 32mm, and height is 3mm, comprises the following steps:

[0020] 1) Fix the parts on the fixture;

[0021] 2) Select a standard disc milling cutter with a diameter of D=60mm and a thickness of d=2mm for rough machining;

[0022] 2.1) The machining accuracy is 0.01mm for the first cutting depth of 15mm, the cutting revolution is 150 revolutions, and the cutting speed is 50m / min;

[0023] 2.2) The second cutting depth is 15mm, the machining accuracy is 0.01mm, the cutting revolution is 150 revolutions, and the cutting speed is 50m / min;

[0024] 2.3) The machining accuracy of the third cutting depth of 2mm is 0.01mm, the cutting revolution is 300 revolutions, and the cutting speed is 80m / min;

[0025] 3) Select a standard disc milling cutter with a diameter of D=60mm and a thickness of d=2.5mm for semi-finishing;

[0026] 3.1) The machining...

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Abstract

The invention relates to a numerical control machining method for a thin narrow notch with a thin edge. The notch is 32 mm in depth, and 3 mm in height, and is formed according to the following steps: 1) fixing a part on a tooling clamp; 2), carrying out roughing with a standard disk miller of which the diameter D is 60 mm and the thickness d is 2 mm; 3), carrying out semi-finishing with a standard disk miller of which the diameter D is 60 mm and the thickness d is 2.5 mm; and 4), carrying out finishing on the notch. According to the method, the problem that the size of the notch is extremely poor is solved; and a more reasonable method is provided for the numerical control machining of the whole tooling, so as to ensure high processing precision of the whole tooling and improve the production efficiency.

Description

technical field [0001] The invention relates to a numerically controlled machining method for thin and narrow slots with thin edges, belonging to a mechanical machining method. Background technique [0002] The structural characteristics of parts with thin edges and narrow notches are sharp, thin, and double-sided profiles, which need to be turned over, and the processing standard is difficult to determine, especially for the processing of 3mm wide and 32mm deep notches. Factors such as cutting speed, clamping and the processing performance of the machine tool itself will cause the tooling to deform and be scrapped. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a numerically controlled machining method for narrow notches with thin edges. The processing precision of the overall tooling is high, and the production efficiency is improved. [0004] In order to solve the above problems, the concrete technical sche...

Claims

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Application Information

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IPC IPC(8): B23C3/00
Inventor 宋玲玲宋立坤
Owner SHENYANG AIRCRAFT CORP
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