Titanium alloy hollow thin-wall long-shaft component machining method

A hollow thin-walled parts processing technology, applied in the field of processing, can solve problems such as waste of resources, low processing efficiency, and hidden dangers of product quality, and achieve the effects of eliminating roundness errors, eliminating clamping deformation, and avoiding clamping deformation

Inactive Publication Date: 2018-06-29
HARBIN DONGAN ENGINE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, titanium alloy parts with a length ≤ 500mm, outer diameter 80mm, wall thickness within 1.5mm, dimensional accuracy ≤ 0.01mm, and position tolerance ≤ 0.008 are mostly processed by grinding, which not only has low processing efficiency and serious waste of resources, but also has low processing accuracy. Difficult to guarantee, there are major product quality hidden dangers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] A process method for processing titanium alloy hollow thin-walled long-axis parts, the specific implementation steps are:

[0023] 1. Processing the top holes at both ends of the titanium alloy bar

[0024] Ordinary lathe is used to clamp the middle part of the part, process the top hole at one end of the part, turn the part, then clamp the middle part of the part, and process the top hole at the other end;

[0025] 2. Rough machining outer diameter

[0026] Using ordinary lathe, the two sides withstand the top hole of the part, and the outer diameter of the part is roughly machined. After processing, the error of the outer diameter of the part is guaranteed to be ≤0.05mm;

[0027] 3. Processing inner hole

[0028] Ordinary lathe is used, and the drill bit of wf15 alloy material is used to process the inner hole of the part from both ends, so as to ensure that the size deviation of the inner hole after processing is ≤0.1mm, and the connecting table is ≤0.2mm;

[0029...

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Abstract

The invention relates to a titanium alloy hollow thin-wall long-shaft component machining technology method. High-precision numerical control equipment is adopted for machining the component outer profile, and boundary dimension precision and shape precision are guaranteed. An annular clamp is used for fine machining of centre holes in the two ends of a component, and the roundness error caused tothe centre holes due to clamping force is eliminated. A centre is used for tightly jacking and fixing the component for fine machining of the outer profile, and clamping deformation caused when a three-jaw chuck or a four-jaw chuck is used for clamping the component is effectively avoided. According to the titanium alloy hollow thin-wall long-shaft component machining technology method, finally,after the titanium alloy hollow thin-wall long-shaft component is machined, the dimensional precision of the component is smaller than or equal to 0.01 mm, the position tolerance of the component is smaller than or equal to 0.008 mm, and the inner and outer profile wall thickness error is smaller than or equal to 0.05 mm.

Description

technical field [0001] The invention relates to a processing method, in particular to a processing method of a high-precision hollow thin-walled long-axis titanium alloy part. Background technique [0002] The processing technology of high-precision titanium alloy hollow thin-walled long-axis parts has always been a technical problem in the aviation field. At the same time, clamping deformation and titanium alloy grinding burn control are also recognized bottlenecks and risk technologies in the industry. At present, titanium alloy parts with a length ≤ 500mm, outer diameter 80mm, wall thickness within 1.5mm, dimensional accuracy ≤ 0.01mm, and position tolerance ≤ 0.008 are mostly processed by grinding, which not only has low processing efficiency and serious waste of resources, but also has low processing accuracy. Difficult to guarantee, there are major product quality hidden dangers. Contents of the invention [0003] The invention relates to a process method for proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 黄啸张阳关云超孙浩牟宗理王春雷叶君朱光照王书杭郭新颜
Owner HARBIN DONGAN ENGINE GRP
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