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清洗机进水腔密封失效的原因
发布者:admin  日期:2013-10-21  点击:3029
清洗机网是以生产、销售、维护清洗机为一体的公司,近年来公司不断发展技术力量,创新生产技术手段,生产的产品销往全国各地,受到客户的一致好评,今天让大家了解一下清洗机进水腔密封失效的原因。
清洗机为三缸并列型结构,密封失效发生在1#缸下部的进水腔密封处。根据该设备的日常维护保养记录和实地拆卸测量,我们得到以下两组数据:
 
1、6001型高压清洗机自2003年10月投入使用至今,推力密封块的拆卸次数达23次(更换进水腔至缸体出水口处各密封点的密封圈);
 
2、我们分别用精确度为0.01 mm的内、外径千分尺,多点测量推力密封块与进水腔的直径,得到推力密封块密封部位的最小尺寸为φ99.90 mm,进水腔与推力密封块配合处的最大尺寸为φ100.85 mm。
 
分析上述两组数据可知,由于推力密封块拆装频繁,并且有时拆装方法不甚合理,因此造成推力密封块密封部位和进水腔配合部位的严重磨损,二者之间由过渡配合变为间隙配合,且间隙最大值高达0.95 mm。由此导致配合处O型密封圈不起作用,最终造成密封失效、进水腔中的水由间隙处外溢,进而在缸体与推力平衡块的结合面出现泄漏现象。 更多高压清洗机信息请登录清洗机网:www.qingxijiw.com
中译英:
Cleaning machine is the production, sales, maintenance and cleaning machine for the whole company, the development of the company technical force is constantly in recent years, technology innovation and production, products are sold throughout the country, by the customer the consistent high praise, today let everybody understand why washing machine water inlet cavity seal failure.
Cleaning machine for three cylinder compound structure, seal failure occurred in the water inlet cavity 1# cylinder seal. According to the equipment daily maintenance record and field disassembly measurement, we get the following two groups of data:
1, 6001 type high pressure cleaning machine since 2003, put into use in October so far, the thrust block seal disassembly times up to 23 times (replacing the inlet chamber to the cylinder outlet sealing point of the seal ring);
2, we respectively with an accuracy of 0.01 in mm, outside micrometer, multi points measuring thrust sealing block diameter and inlet cavity, to get the minimum size thrust the seal block at the site of the 99.90 mm, the maximum block size with the seal for the φ 100.85 mm inlet cavity and thrust
Analysis of these two groups of data, the thrust sealing block frequent disassembly, and sometimes the dismantling method is not reasonable, therefore causing thrust the seal block part and a water inlet cavity with parts of serious wear, between the two variable is in clearance fit by the transition fit, and the maximum gap size up to 0.95 mm. The matching position of O sealing ring has no effect, the final cause seal failure, the water inlet cavity in the water overflowing from the gap, and then in the cylinder body and the thrust balance block combined with surface leakage. For more information please visit the high pressure cleaning machine cleaning machine: www.qingxijiw.com.
 
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