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浅谈液压阀零件的清洗

浅谈液压阀零件的清洗

作者:admin    来源:未知    发布时间:2020-08-21 10:17    浏览量:
浅谈液压阀零件的清洗
Cleaning of hydraulic valve parts
 
    液压阀零部件的清洗在液压件生产中是一道关键的辅助工序,它的质量制约着液压阀的可靠性和稳定性。清洗质量与清洗方法、清洗液的配制、清洗设备和人员责任心等有较大的关系。下面一起来大兰液压系统厂家跟大家说说液压阀阀体的清洗和零件的清洗。
The cleaning of hydraulic valve parts is a key auxiliary process in the production of hydraulic parts. Its quality restricts the reliability and stability of hydraulic valve. Cleaning quality is closely related to cleaning method, preparation of cleaning solution, cleaning equipment and sense of responsibility of personnel. Next, let's talk about the cleaning of hydraulic valve body and parts by Dalan hydraulic system manufacturer.
 
一、阀体的清洗
1、 Cleaning of valve body
 
    阀体的清洗可分四级,即粗洗、超声波清洗、漂洗、中压大流量冲洗。粗洗和漂洗应分槽清洗,方法均可用一定压力的气水合冲,磨削类阀体应有刮毛刺、退磁、 抛光等预处理。粗洗和漂洗清洗液的配方相同,漂洗后用大流量柴油或添加防锈剂的水溶液进行冲洗。超声波清洗液须进行循环处理,并在循环中补充清洗剂,以提高清洗效能。
The cleaning of valve body can be divided into four stages, namely rough cleaning, ultrasonic cleaning, rinsing, medium pressure and large flow flushing. Roughing and rinsing should be carried out in separate grooves. The method can be used for flushing with gas under certain pressure. The grinding valve body should be pretreated with burr scraping, demagnetization and polishing. The formula of roughing and rinsing cleaning solution is the same. After rinsing, wash with high flow diesel oil or water solution added with antirust agent. In order to improve the cleaning efficiency, it is necessary to recycle the ultrasonic cleaning solution and supplement the cleaning agent in the circulation.
 
 
清洗中的注意事项:
Precautions in cleaning:
 
1)清洗剂与防锈剂的选用应合理,对黑色金属与有色金属应有区别,甚至夏季与冬季的选用也有所区分;
1) The selection of cleaning agent and antirust agent should be reasonable, and there should be difference between ferrous metal and non-ferrous metal, even in summer and winter;
 
2)水温应能满足要求,并且零部件浸泡时间不能太短,一般控制在10分钟以上;
2) The water temperature should be able to meet the requirements, and the soaking time of parts should not be too short, generally controlled at more than 10 minutes;
 
3)尽可能增大粗、漂洗时水的流量;
3) Increase the water flow during roughing and rinsing as much as possible;
 
4)条件允许时应将零件作烘干处理;
4) If conditions permit, the parts should be dried;
 
5)冲洗时,冲头与阀体应有相对的转动或移动。
5) When flushing, the punch and the valve body should rotate or move relative to each other.
 
二、零件的清洗
2、 Cleaning of parts
 
     现在,一般厂家对阀体类的清洗较为重视,而对滑阀类等零件的清洗则不太注意,但在实际生产中滑阀清洁度不合格而导致装配合格率下降、出厂可靠性降低的现象也时有发生。对零件类的清洗,因种类多,工作量也较大。零件类的清洗包括冲洗毛刺和污物,镀铬零件还包括内孔残留铬酸物的清洗,零件类清洗可用超声波清洗然后再用气水合冲方法,清洗前内孔的清理较为重要,可用同直径的钻头或铰刀、毛刷去除内孔中的污物,对细小的内孔还应逐个疏通检查。零件类的清洗设备和方法与阀体类相似,但应采用高压小流量的气水合冲,不需要用柴油或加防锈剂的水溶液高压冲洗,清洗后进行防锈处理即可。
At present, the general manufacturers pay more attention to the cleaning of valve body, but pay little attention to the cleaning of slide valve and other parts. However, in the actual production, the unqualified cleanliness of slide valve leads to the decline of assembly qualification rate and the reduction of factory reliability. For the cleaning of parts, due to the variety, the workload is also large. The cleaning of parts includes cleaning burr and dirt, and chromium plated parts also includes cleaning of residual chromic acid in the inner hole. The cleaning of parts can be carried out by ultrasonic cleaning and then by air hydration flushing. Before cleaning, it is more important to clean the inner hole. The dirt in the inner hole can be removed by drilling bit, reamer and brush with the same diameter. Small inner holes should be dredged and inspected one by one. The cleaning equipment and method of parts are similar to those of valve body, but high pressure and small flow gas hydrate flushing should be adopted, and diesel oil or water solution added with antirust agent is not required to be used for high-pressure washing, and rust prevention treatment can be carried out after cleaning.
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