Milling method of curved surface of titanium alloy parts

A processing method and technology of titanium alloy, which is applied in the field of surface processing of titanium alloy parts, can solve the problems of easy sticking to the knife, slow down the processing speed of the tool, and poor thermal conductivity.

Inactive Publication Date: 2011-12-07
SHENYANG AIRCRAFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the thermal conductivity of titanium alloy material is poorer than that of aluminum alloy material, it is easy to stick to the knife, and the cutting debris of the part will stay on the surface of the conductor, thus destroying the shape of the machined part. Tool chipping, which can only slow down the processing speed of the tool when processing titanium alloy parts. At this time, the curved surface of the processed part is not flat, and there are many tool marks, and it is difficult to process a smooth curved surface after multiple processing and trimming. Unable to meet the surface roughness of the part

Method used

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  • Milling method of curved surface of titanium alloy parts
  • Milling method of curved surface of titanium alloy parts
  • Milling method of curved surface of titanium alloy parts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 and 2 Shown, a kind of surface milling processing method of titanium alloy part is characterized in that comprising the following steps:

[0016] 1) Insert the drilled and reamed hole of the part into the positioning pin of the auxiliary positioning fixture 2, and fix it with the auxiliary positioning fixture;

[0017] 2) Install the rotary table 1 on the table of the milling machine;

[0018] 3) Install the auxiliary positioning fixture 2 embedded on the rotary table 1, so that the curved surface of the part is vertical and tangent to the vertical milling cutter;

[0019] 4) Rotate the rotary table so that the rotary table rotates 180°, and the side edge of the milling cutter can be used to mill the small curved surface 3 of the part to be processed.

Embodiment 2

[0021] Same as steps 1 to 3 in Embodiment 1, then control the direction of the milling cutter to be consistent with the direction of the large curved surface 4 to be processed, and use the side edge of the milling cutter to process the large curved surface 4 to be processed.

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Abstract

The invention relates to a milling method for curved surfaces of titanium alloy parts, comprising the following steps: 1) inserting the drilled and reamed holes of the parts into the positioning pins of the auxiliary positioning fixture, and fixing them with the auxiliary positioning fixture; Install the rotary table on top; 3) Install the auxiliary positioning fixture embedded on the rotary table so that the curved surface of the part is vertical and tangent to the vertical milling cutter; 4) Rotate the rotary table to control the rotary table The rotation angle of the milling cutter can be used to mill the curved surface with the side edge of the milling cutter. The method can not only improve the machining efficiency of the curved surface of the titanium alloy part, but also greatly improve the smoothness of the curved surface of the titanium alloy part.

Description

technical field [0001] The invention relates to a curved surface milling processing method of a titanium alloy part, which is suitable for processing the curved surface of the titanium alloy part with drilled and reamed holes. Background technique [0002] It turns out that the surface processing of titanium alloy parts requires the largest plane of the part to sit firmly on the processing platform, so as to process different sides or curved surfaces and holes of the part. Usually, it is necessary to ensure that the part does not move, and milling is carried out according to the shape of the part. The position is moved, and the horizontal position and the up and down position of the cutter head are moved at the same time for processing. In this case, the bottom edge of the milling cutter is used to mill the part, so as to process the curved surface that the part needs to be processed. Because the thermal conductivity of titanium alloy material is poorer than that of aluminu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C3/00
Inventor 常青华
Owner SHENYANG AIRCRAFT CORP
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