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A kind of cleaning method of oil nozzle pair

A technology of coupling parts and nozzles, which is applied in the field of needle valve body grinding technology, can solve the problems that the cleaning process cannot meet the cleanliness requirements, and achieve the effect of meeting the particle size requirements of the assembly and improving the cleanliness

Active Publication Date: 2022-05-13
无锡威孚马山油泵油嘴有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the market, the requirements for emissions are getting higher and higher, and the requirements for engine performance indicators are becoming more and more strict. In order to ensure the performance of the fuel injectors, the requirements for the cleanliness of the fuel injectors are also getting higher and higher. The existing cleaning Process no longer meets cleanliness requirements

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with specific embodiments.

[0017] The method for cleaning the oil nozzle assembly of the present embodiment comprises the following steps:

[0018] 1) Ultrasonic cleaning of the needle valve body: Firstly, the single product of the needle valve body is positioned and fixed vertically by the fixture, and the fixture carries the needle valve body into the ultrasonic cleaning station of the needle valve body ultrasonic cleaning equipment, starts the ultrasonic generator and uses water-based cleaning Ultrasonic water-based cleaning of the appearance of the needle valve body with the agent;

[0019] 2) Low-pressure flushing of the needle valve body: the fixture enters the flushing station of the needle valve body ultrasonic cleaning equipment with the needle valve body fixed on it, and the low-pressure flushing nozzle enters the inner cavity of the needle valve body and reciprocates up and down, while t...

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Abstract

The invention relates to a method for cleaning the oil nozzle assembly, which includes 1) ultrasonic cleaning of the needle valve body, 2) low-pressure flushing of the needle valve body, 3) drying of the needle valve body, 4) ultrasonic cleaning of the oil nozzle assembly and 5) the oil nozzle assembly There are five steps of flushing, the cleaning method of the nozzle assembly, through steps 1), 2) and 3) to ensure that the appearance and inner cavity of the single product of the needle valve body are fully cleaned and dried to ensure the cleanliness of the single product of the needle valve body , and then through steps 4) and 5) to fully clean the needle valve body, the appearance of the needle valve, and the internal cavity of the needle valve, improve the cleanliness of the internal and external cavity of the nozzle assembly, and meet the granularity requirements of the assembly.

Description

technical field [0001] The invention relates to a grinding process of a needle valve body, in particular to a method for cleaning an oil nozzle assembly. Background technique [0002] In the market, the requirements for emissions are getting higher and higher, and the requirements for engine performance indicators are becoming more and more strict. In order to ensure the performance of the fuel injectors, the requirements for the cleanliness of the fuel injectors are also getting higher and higher. The existing cleaning The process has failed to meet cleanliness requirements. Contents of the invention [0003] In view of the above shortcomings, the applicant has carried out research and improvement, and provides a method for cleaning the oil nozzle assembly. [0004] The technical scheme adopted in the present invention is as follows: [0005] A method for cleaning a nozzle assembly, comprising the following steps: [0006] 1) Ultrasonic cleaning of the needle valve bod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B3/12B08B3/02F26B21/02F02B77/04
CPCB08B3/12B08B3/02F26B21/02F02B77/04F02B2077/045
Inventor 王一翔胡乃坤
Owner 无锡威孚马山油泵油嘴有限公司
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