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Numerical-control replenishing processing method for composite multi-profile tools

A composite material and supplementary processing technology, which is applied in the field of numerical control processing of composite material tooling, can solve the problems of loose workpiece, small size, difficult processing, and difficult clamping, etc., to achieve the goal of solving loosening, reducing cutting amount, and improving production efficiency Effect

Active Publication Date: 2013-07-17
SHENYANG AIRCRAFT CORP
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  • Abstract
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Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the present invention provides a composite material multi-profile tooling tool that effectively solves the problems of small size, difficulty in processing, difficult clamping, and loose workpieces, folding knives, and overcuts during processing due to large workpiece margins. Machining CNC machining method

Method used

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Embodiment Construction

[0014] The numerical control supplementary processing method of multi-surface tooling of composite materials, the steps are as follows:

[0015] 1) if figure 1 As shown, the size of the parts to be processed: length*width*height is 21mm*16mm*15mm, first determine the relatively complex CNC machining surface, for complex profiles (complex profiles refer figure 1 The surface 3 in the middle has an open angle and a closed angle), leaving a 2-3mm machining allowance, and leaving a 1-2mm allowance for other surfaces; determine the clamping state required for workpiece processing: figure 1 The surface opposite to the middle surface 1 and the surface 1 is a parallel surface and is perpendicular to the bottom surface 5, and the adjacent surface 4 on the right is also perpendicular to the bottom surface 5. figure 1 Parts with similar characteristics, such as figure 2 As shown, the supplementary block 2 is supplemented along the parallel planes; for components without parallel planes...

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Abstract

The invention discloses a numerical-control replenishing process method for composite multi-profile tools. According to the technical scheme, the numerical-control replenishing processing method includes steps of 1) determining position and size of a replenishing block and size of a blank, and clamping the replenishing block during numerical-control processing; 2) planing and processing; 3) milling and processing; 4) processing profiles under numerical control; 5) removing the replenishing block; and 6) grinding and polishing the profiles by a fitter and completing processing. The numerical-control replenishing processing method has the advantages that cutting is reduced, clamping position is replenished, processing technique is simplified, time, labor and materials are saved, and production cost and processing intensity are reduced.

Description

technical field [0001] The invention relates to a numerical control processing method for composite material tooling, which is used for processing typical tooling with multi-profile features. Background technique [0002] Such as figure 1 As shown, this type of tooling is composed of many sections. The characteristics of this type of tooling are that the overall shape is not very complicated, but there are open and closed angles in the details, there are many combined sections, and individual sections are small in size and require CNC machining. There are many faces. For example, the size of the small section is 15mm*16mm*21mm, the size is small, all six surfaces need to be processed, and the processing range is small, which makes it difficult to clamp during the processing, and it is difficult to achieve normal processing. The machining allowance of the workpiece is large, and it is easy to loosen, fold the knife, overcut or even collapse during the processing. Contents...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
Inventor 徐恒
Owner SHENYANG AIRCRAFT CORP
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