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Method for reducing surface roughness of aviation precision forging blade after shot blasting

A roughness, back surface technology, applied in surface polishing machine tools, grinding machine parts, workpiece feed motion control, etc. The effect of improving performance and economy

Pending Publication Date: 2021-08-27
无锡航亚科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to provide a method for reducing the surface roughness of aviation precision forging blades after shot peening, which can effectively solve the problem that the deformation roughness of aviation precision forging blades in the background technology will become significantly higher after shot peening, thus affecting the final surface roughness. Performance, the traditional means of reducing roughness are low in efficiency and high in cost

Method used

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  • Method for reducing surface roughness of aviation precision forging blade after shot blasting
  • Method for reducing surface roughness of aviation precision forging blade after shot blasting
  • Method for reducing surface roughness of aviation precision forging blade after shot blasting

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Embodiment 1

[0029] Such as Figure 1-7 Shown is a method for reducing the surface roughness of the aviation precision forging blade after shot peening, comprising the following steps:

[0030] Step 1. Select the finishing medium suitable for processing products, and select the rough finishing and fine finishing medium suitable for processing products according to the body material, size and shape of the aviation precision forging blade. The selection criteria of the medium include shape, size, material, etc. .

[0031] Step 2. Set the parameters of the vibrating finishing machine, set up the vibrating finishing machine according to the specific parameter requirements, and add specific proportions of water, finishing liquid and finishing medium.

[0032] Step 3. The vibrating finishing machine performs self-vibration. After adding a new finishing medium, it must carry out self-vibration, that is, no workpieces are processed, and only water, finishing fluid and finishing medium are added f...

Embodiment 1

[0045] Test piece material: In718; test piece length: 127.1016mm; test piece width: 50.9905mm; test piece thickness: 1.43281mm.

Embodiment 2

[0047] Test piece material: In718; test piece length: 127.0381mm; test piece width: 50.9524mm; test piece thickness: 1.47777mm.

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Abstract

The invention discloses a method for reducing the surface roughness of an aviation precision forging blade after shot blasting, and relates to the field of surface treatment. The method comprises the following steps: selecting a finishing medium suitable for processing a product, setting parameters of a vibration finishing machine, carrying out natural vibration on the vibration finishing machine, carrying out coarse finishing on the precision forging blade, carrying out fine finishing on the precision forging blade, monitoring the test piece material removal amount by adopting a weighing method, checking the roughness of the precision forging blade by using a roughness meter, while coarse finishing and fine finishing are carried out, monitoring the material removal amount in the finishing process by using the same test piece, and checking the material removal amount of the test piece by adopting the weighing method. The invention provides the method for reducing the surface roughness of the aviation precision forging blade after shot blasting, generally speaking, the surface roughness of the precision forging blade after super polishing shot blasting can reach Ra 0.1 mu m or below, meanwhile, shot pits of shot blasting are reserved, the problem that an existing aviation precision forging blade is high in roughness after shot blasting strengthening can be solved, and the performance and economical efficiency of the aviation precision forging blade are improved.

Description

technical field [0001] The invention relates to the field of surface treatment, in particular to a method for reducing the surface roughness of an aviation precision forging blade after shot peening. Background technique [0002] Surface treatment is a method of artificially forming a surface layer on the surface of a base material with mechanical, physical and chemical properties different from that of the base. The purpose of surface treatment is to meet the corrosion resistance, wear resistance, decoration or other special functional requirements of the product, and reduce the surface roughness of the blade, which is one of the most cost-effective ways to reduce the frictional resistance between the engine and the airflow and increase the propulsion ratio of the engine. , to improve the propulsion performance of the engine through other aspects requires a very long development cycle and verification costs, for example, changing the workpiece material to reduce the weight ...

Claims

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Application Information

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IPC IPC(8): B24B1/00B24B31/06B24B49/00C09G1/02
CPCB24B1/00B24B31/06B24B49/00C09G1/02
Inventor 黄奕华丁立季瑾冯志鹏
Owner 无锡航亚科技股份有限公司
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