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A Quantitative Grinding Method of Abrasive Flow

An abrasive flow and grinding technology, applied in the field of abrasive flow processing, can solve the problems of uncontrollability of manual polishing and high scrap rate by human experience, and achieve the effect of eliminating the influence of human experience and avoiding uncontrollability.

Active Publication Date: 2021-10-22
AECC AVIATION POWER CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, this method has the influence of human experience and the uncontrollability of manual polishing, and manual polishing will also produce a high scrap rate

Method used

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  • A Quantitative Grinding Method of Abrasive Flow
  • A Quantitative Grinding Method of Abrasive Flow
  • A Quantitative Grinding Method of Abrasive Flow

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Embodiment Construction

[0038] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0039] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a quantitative grinding method of abrasive particle flow in an air channel, which comprises the following steps: determining the amount of air flow to be increased in the air channel of a part to be ground; conducting a grinding experiment through a test piece to determine the optimum abrasive pressure and the optimum Abrasive flow rate; determine the abrasive removal rate according to the preset grinding time; determine the total volume of abrasive according to the abrasive removal rate; perform quantitative grinding according to the determined abrasive pressure, abrasive flow rate and total abrasive volume. According to the air flow detection results of different parts, quantitative grinding parameters and variable grinding total grinding are used to ensure the quantitative grinding requirements of each part's air flow path. The abrasive flow quantitative grinding method is used to replace the manual repeated polishing process. Compared with the traditional manual polishing method, it eliminates the influence of human experience, the uncontrollability of manual polishing and the high scrap rate caused by manual polishing. .

Description

technical field [0001] The invention belongs to the field of abrasive flow processing and relates to an abrasive flow quantitative grinding method. Background technique [0002] The flow rate of the flow channel of the guider is strictly required in the design of the engine. It requires the air inlet and outlet to be under a constant pressure ratio, and the total effective area of ​​the air flow in the flow channel is detected, requiring S±1.5%. Since the air flow path of the guide is a precision casting, the air flow of each part is different when the air flow of the parts is tested. If the air flow does not meet the requirements of the design drawing, it is necessary to use a process to grind the air flow path to increase the flow path throat. area until the airflow test is qualified. see Figure 5 , if the air flow enters the flow channel from the air inlet, when the air flow is detected, the ratio of the inlet air pressure to the outlet air pressure is M. At this time, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B1/00
CPCB24B1/00
Inventor 张永刚高相毅彭明友石红敏杨立强柳培发段佩谢来春
Owner AECC AVIATION POWER CO LTD
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