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A processing method for eliminating the size difference between the coating and the substrate for rotary casing

A technology of processing method and substrate size, applied in metal processing equipment, manufacturing tools, turning equipment, etc., can solve the problems of large proportion, difficulty in turning parts, and difficulty in guaranteeing the size of coating and substrate, so as to achieve convenient operation. , the effect of ensuring processing quality, improving space and market potential

Active Publication Date: 2022-02-11
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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Problems solved by technology

[0002] Coated rotary casing components account for a large proportion of rotary casing parts. The wear-resistant coating and sealing coating parts are turned due to the characteristics of the base material and coating material. The difference is large, which makes it difficult to guarantee the size of the coating and the substrate
Affected by the above factors, there are great difficulties in turning parts, and the processing method to eliminate the size difference between the coating and the substrate is urgently needed to be broken through

Method used

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  • A processing method for eliminating the size difference between the coating and the substrate for rotary casing
  • A processing method for eliminating the size difference between the coating and the substrate for rotary casing
  • A processing method for eliminating the size difference between the coating and the substrate for rotary casing

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0038] In order to solve the problems existing in the existing technology, such as Figure 1 to Figure 8 As shown, the present invention provides a processing method for eliminating the size difference between the coating and the substrate for the rotary casing, comprising the following steps:

[0039] S1. Determine the coating type of the rotary casing

[0040] like figure 1 and figure 2 As shown, the coating type is sealing coating or wear-resistant coating;

[0041] S2. Select a suitable tool according to the base material and coating type

[0042] like image 3 and Figure 4 As shown, when processing the sealing coating, use the partial knife...

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Abstract

The invention relates to a processing method for eliminating the size difference between a coating and a base body for a rotary casing, which belongs to the technical field of casing processing of large aviation turbofan engines. The processing method for eliminating the size difference between the coating and the substrate for the rotary casing includes the following steps: S1, determining the coating type of the rotary casing; S2, selecting a suitable tool according to the substrate material and coating type; S3, determining The turning process route, when processing the sealing coating, adopts the feeding method of feeding at the junction of the sealing coating and the substrate, cutting the rotary casing substrate first, and then cutting the sealing coating; when processing the wear-resistant coating , using the feeding method of feeding at the junction of the wear-resistant coating and the base body, first cutting the base body of the rotary casing; then using the feeding method of cutting in the middle of the wear-resistant coating to cut the wear-resistant coating. The processing method for eliminating the dimensional difference between the coating and the substrate for the rotary casing can effectively eliminate the dimensional difference between the coating and the substrate.

Description

technical field [0001] The invention relates to the technical field of machining large-scale aviation turbofan engine casings, in particular to a processing method for eliminating the size difference between a coating and a substrate for a rotary casing. Background technique [0002] Coated rotary casing components account for a large proportion of rotary casing parts. The wear-resistant coating and sealing coating parts are turned due to the characteristics of the base material and coating material. The large difference makes it difficult to guarantee the size of the coating and the substrate. Affected by the above factors, there are great difficulties in turning parts, and the processing method to eliminate the size difference between the coating and the substrate is urgently needed to be broken through. Contents of the invention [0003] In order to solve the technical problems existing in the prior art, the present invention provides a processing method for eliminatin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B5/00
CPCB23B5/00
Inventor 杨海涛康建铭马英赵凤来任海
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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