Thermoforming device and process of ring-shaped part formed by titanium alloy sheet

A titanium alloy, heat-setting technology, applied in aircraft parts, transportation and packaging, etc., can solve the problems that restrict the development and production of engines, and achieve the effect of improving forming accuracy and reducing errors

Active Publication Date: 2016-03-09
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Processed according to the traditional process and process equipment, it has never been qualified, which seriously restricts the development and production of the engine

Method used

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  • Thermoforming device and process of ring-shaped part formed by titanium alloy sheet
  • Thermoforming device and process of ring-shaped part formed by titanium alloy sheet
  • Thermoforming device and process of ring-shaped part formed by titanium alloy sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The heat-setting device for forming the titanium alloy sheet forming ring is as follows: an expanding cone ring 1, a positioning support column 2, a compression wedge 3, an upper limit plate 4, a shaping block 5, a limit ring 6, and a positioning bottom plate 7; The shaped block 5 is located between the upper limit plate 4 and the positioning bottom plate 7, the upper and lower ends of the shaped block 5 are compressed by the compression wedge 3 and the positioning support column 2, and the side ends of the shaped block 5 are passed through the expanding cone ring 1 and The limit ring 6 is compressed, and the upper limit plate 4 and the positioning bottom plate 7 are both provided with jacking screws 8 .

[0037] Titanium alloy sheet material forming ring piece heat setting process, using the titanium alloy sheet material forming ring piece heat setting device, the specific steps are as follows:

[0038] ①Using the stress relaxation thermoforming process, the part is ex...

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PUM

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Abstract

The invention discloses a thermoforming device and process of a ring-shaped part formed by a titanium alloy sheet. The thermoforming device of the ring-shaped part formed by the titanium alloy sheet is composed of an expansion type taper ring (1), a locating supporting upright (2), a pressing wedge block (3), an upper limiting plate (4), shaping blocks (5), a limiting ring (6) and a locating bottom plate (7). The shaping blocks (5) are located between the upper limiting plate (4) and the locating bottom plate (7). The upper ends and the lower ends of the shaping blocks (5) are pressed to the locating bearing upright (2) through the pressing wedge block (3). The side ends of the shaping blocks (5) are pressed through the limiting ring (6) and the expansion type taper ring (1). By means of the thermoforming device and process of the ring-shaped part formed by the titanium alloy sheet, the problem that large-diameter titanium alloy sheet ring-shaped parts with the internally-U-shaped sections cannot be formed through a conventional method is solved, forming accuracy is improved greatly, and it is guaranteed that accuracy of the formed part meets the standard.

Description

technical field [0001] The invention relates to the technical field of structural design and application of a heat setting device, and in particular provides a heat setting device and a process for forming a titanium alloy plate forming ring. Background technique [0002] The ring part is an important part of the aircraft engine. It is made of 1.0mm thick titanium alloy TA1 sheet material. The cross section is a "U" cross section with the notch facing inward. It is required that the diameter tolerance of the part profile in the free state after molding is ±0.2mm, the contour of the profile is not greater than 0.2mm, and the runout of the profile surface A in the restricted state is not greater than 0.1mm. [0003] Since the cross-section is a "U"-shaped cross-section with the notch facing inward, and the diameter of the upper and lower ports is smaller than the diameter of the middle surface, the usual full-ring forming mold cannot be taken out, so it is impossible to realiz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00C22F1/18
CPCB23P15/00B23P2700/01C22F1/183
Inventor 杨秀娟任萍韩晓东段新民倪建成
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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