Processing method for controlling processing deformation of titanium-aluminum alloy thin-wall case

A titanium-aluminum alloy and processing method technology, applied in the field of parts processing, can solve problems such as tool wear, large removal allowance, and difficult processing, and achieve the effect of increasing processing speed and improving processing efficiency

Inactive Publication Date: 2014-02-05
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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Problems solved by technology

[0002] A titanium-aluminum alloy thin-walled case of an aero-engine. The raw material of the part is forging. Due to the special structure of the part, strict dimensional tolerance requirements, a very large removal allowance, and high hardness of the material, it is extremely difficult to process, and the part is easy to process during processing. produce deformation
The entrance width of the cavity of this part is only 24mm, the maximum depth of the cavity reaches 55mm, and it is a thin-walled surface. Because

Method used

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  • Processing method for controlling processing deformation of titanium-aluminum alloy thin-wall case
  • Processing method for controlling processing deformation of titanium-aluminum alloy thin-wall case
  • Processing method for controlling processing deformation of titanium-aluminum alloy thin-wall case

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Embodiment Construction

[0023] Such as figure 1 The shown titanium aluminum alloy thin-walled casing, the outer circle is , The groove depth of the finished groove on the outer wall is 55mm, and the groove width is 24mm; the outer circle of the wool forging is .

[0024] A processing method for controlling processing deformation of a titanium aluminum alloy thin-walled casing, the processing method includes the following steps:

[0025] (1) Rough turning process 1: Turn the outer wall of the titanium-aluminum alloy thin-walled casing forging into a straight groove to obtain a rough-machined semi-finished product; the straight groove has a groove depth of 40mm and a groove width of 16mm; turning processing The process parameters of the straight groove are: speed n=8r / min, feed rate f=0.1mm / r, depth of cut ap=6mm, welding turning tool is used, and the turning tool material is YD15;

[0026] (2) Heat treatment process one: heat treatment of the rough-processed semi-finished product, quenching temperature 106...

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Abstract

The invention relates to a processing method for controlling processing deformation of a titanium-aluminum alloy thin-wall case. The technical scheme of the processing method is as follows: the processing method comprises the steps as follows: a primary rough turning process, a primary heat treatment process, a secondary rough turning process, a secondary heat treatment process, a fine turning process, a third heat treatment process and a finish turning process. According to the processing method for controlling the processing deformation of the titanium-aluminum alloy thin-wall case, reasonable processing parameters are set, and an appropriate cutter is used, so that the processing deformation of the titanium-aluminum alloy thin-wall case is controlled, and the processing requirement is met.

Description

Technical field [0001] The invention relates to a processing method of parts, in particular to a processing method for controlling the processing deformation of a titanium aluminum alloy thin-walled casing. Background technique [0002] A titanium-aluminum alloy thin-walled casing for aero engines. The parts are made of forgings. Due to the special structure of the parts, strict dimensional tolerances, very large removal margins, and high material hardness, it is extremely difficult to process and the parts are easy to process. Deformed. The inlet width of the cavity part of this part is only 24mm, the maximum cavity depth reaches 55mm, and it is a thin-walled surface. Because the groove is too deep, there is no suitable tool to process; the part structure is special, the part and the tool are easy to process In the event of a collision, the tool travel path is unsafe; the part material is hard and the tool wear is serious, and the machining accuracy cannot be guaranteed; the pa...

Claims

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Application Information

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IPC IPC(8): B23P15/00B23B1/00
CPCB23B1/00B23P15/00
Inventor 袁仲欣马艳玲王兴超李冬梅刘娜
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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