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High-deformation-resistance high-temperature alloy baffle forming process

A deformation resistance, high temperature alloy technology, applied in metal processing and other directions, can solve the problems such as the inability to meet the forming requirements of new baffle parts and the increase in difficulty

Active Publication Date: 2015-05-20
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the material of the baffle parts used in the engine is GH4169 alloy. The strengthening elements in the GH4169 alloy account for 4.5% of the total elements. The new baffle parts use the GH738 alloy material, and the strengthening elements account for 8.6% of the total elements, nearly doubled. , the difficulty has increased a lot, and the original forming technology of baffle parts can no longer meet the forming requirements of new baffle parts.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] This embodiment provides a forming process for a high-deformation-resistant superalloy baffle, which is characterized in that: the high-deformation-resistant superalloy baffle forming process is that the material used is GH738 alloy, Mo, Al, Ti and other strengthening elements And accounted for 8.6% of the total elements, the wire is wound on the forming mandrel, the diameter of the winding fixture is 350 mm, the lathe speed is adjusted to 10 rpm when winding, the distance between the middle pallet and the fixture is manually adjusted, and the winding The final part blank will bounce off the fixture; the specific process parameters are as follows:

[0015] The heat treatment setting parameters are:

[0016] Solution treatment: 995°C, heat preservation for 1 hour, air cooling or air cooling; stabilization treatment: 845°C, heat preservation for 3 hours, air cooling; aging treatment: 760°C, heat preservation for 12 hours, air cooling;

[0017] The high deformation resist...

Embodiment 2

[0022] This embodiment provides a forming process for a high-deformation-resistant superalloy baffle, which is characterized in that: the high-deformation-resistant superalloy baffle forming process is that the material used is GH738 alloy, Mo, Al, Ti and other strengthening elements And accounted for 8.6% of the total elements, the wire is wound on the forming mandrel, the diameter of the winding fixture is 400 mm, the lathe speed is adjusted to 20 rpm when winding, the distance between the middle pallet and the fixture is manually adjusted, and the winding The final part blank will bounce off the fixture; the specific process parameters are as follows:

[0023] The heat treatment setting parameters are:

[0024] Solution treatment: 1000°C, heat preservation for 3 hours, air cooling or air cooling; stabilization treatment: 845°C, heat preservation for 4 hours, air cooling; aging treatment: 760°C, heat preservation for 16 hours, air cooling;

[0025] The high deformation resi...

Embodiment 3

[0030] This embodiment provides a forming process for a high-deformation-resistant superalloy baffle, which is characterized in that: the high-deformation-resistant superalloy baffle forming process is that the material used is GH738 alloy, Mo, Al, Ti and other strengthening elements And accounted for 8.6% of the total elements, the wire is wound on the forming mandrel, the diameter of the winding fixture is 420 mm, the lathe speed is adjusted to 30 rpm when winding, the distance between the middle pallet and the fixture is manually adjusted, and the winding The final part blank will bounce off the fixture; the specific process parameters are as follows:

[0031] The heat treatment setting parameters are:

[0032] Solution treatment: 1080°C, heat preservation for 5 hours, air cooling or air cooling; stabilization treatment: 845°C, heat preservation for 5 hours, air cooling; aging treatment: 760°C, heat preservation for 20 hours, air cooling;

[0033] The high deformation res...

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Abstract

A high-deformation-resistance high-temperature alloy baffle forming process is characterized by comprising winding shaping, heat treatment shaping and a finish machining process of complex shapes of baffle tips, wherein the adopted material is GH738 alloy, a wire is wound around a forming core rod, the diameter of a winding fixture is 350-420 millimeters, at the time of winding, the rotating speed of a lathe is adjusted to be 10-30 revolutions per minute, the distance between a middle support plate and the fixture is adjusted manually, after the wire is wound, a part blank is bounced off from the fixture, and then solution treatment, aging treatment, linear cutting and coping chamfering are carried out. The high-deformation-resistance high-temperature alloy baffle forming process has the advantages that the winding shaping, the heat treatment shaping and the finish machining process of the complex shapes of the baffle tips completely meet the design requirements of parts, can meet the using performance requirements of the GH738 alloy parts, and can be widely used for manufacture of various large-size high-deformation-resistance baffle type parts of engines.

Description

technical field [0001] The invention relates to a preparation process for a large-scale high-temperature alloy baffle, and in particular provides a forming process for a high-deformation-resistant high-temperature alloy baffle. Background technique [0002] At present, the material of the baffle parts used in the engine is GH4169 alloy. The strengthening elements in the GH4169 alloy account for 4.5% of the total elements. The new baffle parts use the GH738 alloy material, and the strengthening elements account for 8.6% of the total elements, nearly doubled. , the difficulty has increased a lot, and the original forming technology of baffle parts can no longer meet the forming requirements of new baffle parts. Contents of the invention [0003] The purpose of the present invention is to make the performance of the new baffle parts meet the requirements of the engine, and specially provides a forming process for the high-temperature alloy baffle with high deformation resista...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23P25/00
Inventor 方波尚作义陈仲强刘军和冯守胜
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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