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Numerical control machining method of annular hiding groove in arc-shaped surface

A processing method and arc surface technology, which is applied in the field of numerical control machining of annular avoidance grooves in arc surfaces, can solve the problems of large processing range, easy folding knife, machine tool overtravel, etc.

Inactive Publication Date: 2012-09-26
SHENYANG AIRCRAFT CORP
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a numerical control machining method of the annular avoidance groove in the arc surface. The phenomenon puts forward a more reasonable method to make the overall tooling process with high precision and improve production efficiency

Method used

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  • Numerical control machining method of annular hiding groove in arc-shaped surface
  • Numerical control machining method of annular hiding groove in arc-shaped surface

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Embodiment Construction

[0018] Such as figure 1 As shown, a numerical control machining method of an annular dodging groove in an arc surface includes the following steps:

[0019] 1) The curved surface is taken as a whole, that is, the avoidance groove is repaired. The meaning of sewing is to directly process a whole outer surface at one time without considering the size of the groove; all dimensions from rough milling to fine milling are in place, so that the overall processing of the part is more accurate. Smooth and smooth, there will be no sudden drop of the profile and the phenomenon of folding knives;

[0020] 2) Process the stitched dodging groove. Due to the large span of the annular dodging groove, the dodging groove is divided into two parts along the axis direction, and one part is processed by five-axis linkage layering, which can effectively solve the problem of overtravel. question;

[0021] 2.1) For the straight part of the avoidance groove, the thickness of each layer is 5mm, the c...

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Abstract

The invention relates to a numerical control machining method of an annular hiding groove in an arc-shaped surface. The method comprises the following steps of: 1) sewing the arc-shaped surface serving as an integral body, namely the hiding groove, performing rough milling, and then performing finish milling in all dimensions in place; 2) machining the sewn hiding groove, equally dividing the hiding groove into two parts along the axis direction, and machining one part in a five-shaft linkage layering mode in advance; and 3) moving a tool to the other side of a machine tool, centering, and machining the other part of the hiding groove similar to that of the step 2). By the method, the problems of large machining ranges and the excess of travel of the machine tool are effectively solved, and the phenomena of high cutter bending possibility, high excessive cutting possibility and the like in the machining process are prevented by a reasonable method, so that the integral tool is high in machining accuracy, and the production efficiency is improved.

Description

technical field [0001] The invention relates to a numerical control machining method for an annular avoidance groove in an arc surface, which is used for machining a typical tool with the annular avoidance groove. Background technique [0002] The annular avoidance groove in the arc surface is usually used in the milling bracket. The characteristic of this type of tooling is that the overall shape is not very complicated, but there are one or several ring grooves on it. The center line of the annular groove is perpendicular to the arc surface, and the groove The outer ring of the arc-shaped surface of the integral sanitary ware has the characteristics of large processing orientation, small groove width, large groove depth and machine tool exceeding the stroke, etc., and folding knives and overcuts are prone to occur during processing. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a numerical control machining m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C3/34
Inventor 李智付世强
Owner SHENYANG AIRCRAFT CORP
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