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清洗机>>行业动态
制作超高压软管的瓶颈是什么
发布者:xiaoyi555  日期:2016-05-13  点击:3128

    超高压软管是超高压清洗机的重要组成部分,它是连接喷嘴和超高压泵的重要原件。国内目前能够生产并保证质量的超高压软管压力一般小于1500bar,在该压力以上的超高压软管国内尚无成功生产的案例,超高压软管是连接超高压清洗机喷嘴和超高压泵的重要元件,在清洗机上有很大的作用,这里主要说一下超高压软管生产需要攻克什么样的技术难关。

Ultra high pressure hose is animportant part of the ultra high pressure cleaning machine(www.qingxijiw.com), which is animportant part of the nozzle and the high pressure pump. The can production andensure that quality of ultra high pressure hose is generally less than 1500bar,is higher than the pressure of the ultra-high pressure hose domestic nosuccessful production case, ultra-high pressure hose is connected ultra highpressure cleaning machine nozzle and the important component of thehigh-pressure pump, have great effect on the washing machine, here are a superhigh pressure hose production need to overcome what kind of technicaldifficulties.

  (1)钢丝增强层的问题

(1) the problem of steel wirereinforcement

  超高压软管需要在内衬管的外表面均匀地编织4层以上钢丝,并要保证在使用过程中钢丝层不堆砌并牢固地与内外层紧密粘合,国内目前对此问题还没有比较好的解决方法。与同等级的进口软管相比,国产软管上编织的钢丝刚性差,直径大,编织均匀程度低。

Ultra high pressure hoses need, theliner outer surface evenly woven layer 4 wire above, and to ensure that in theuse of process layer of steel wire does not stack and firmly with inner andouter layer is closely bonded, domestic at present, this problem has not thebetter solution. Compared with the same grade of imported hoses, the steel wiremade of domestic hose is of poor rigidity, large diameter and low evenness.

  (2)内衬材料的问题

(2) the problem of lining materials

  在清洗作业中,需求长度在几十米以上的超高压软管是很常见的。由于国产软管的内衬材料柔韧性比较差,综合力学性能不高,以至于不能保证长距离的内衬管管壁的均匀和致密度等的质量,所以国内生产的超高压软管始终不能达到要求。

In the cleaning operation, the demandfor the length of tens of meters above the ultra high pressure hose is verycommon. Due to the relatively poor domestic hose lining material flexibility,comprehensive mechanical performance is not high that cannot guarantee the longdistance within the liner tube wall of uniform and density of quality, so thedomestic production of ultra-high pressure hose always can not meet therequirements.

 

超高压软管受频繁、剧烈的压力冲击会导致出现爆裂。避免在作业时,油管内会反复出现油压的突然升高或降低的情况,从而构成对超高压软管频繁的压力冲击,导致各部的油封损坏加剧、超高压软管出现起泡和破裂以及管接头的松动渗漏现象。因此在操作时,阀杆的扳动不可过猛,一定要平缓。工程机械作业时,液压系统因功率损耗而使油液发热,加上外界气温的影响可使油温急剧升高。油液使用温度越高,超高压软管越易老化,弹性变差,强度与密封性能下降,超高压软管就会很快爆裂。因此,在作业中,当液压系统出现温升过高、过快时,应及时查明原因,予以排除;清洗机夏天作业,特别是连续作业时,应采取必要的降温措施。

Ultra high pressure hose is subject tofrequent, intense pressure impact will lead to burst. Avoid in operation, thetubing will repeatedly oil pressure suddenly increased or decreased, whichformed the super high-pressure hose frequent shock, leading to the seal damageintensifies, ultra high pressure hose foaming and rupture and pipe joints looseleakage phenomenon. Therefore, in operation, the valve stem can not be toohard, must be gentle. Engineering machinery, hydraulic system power loss due tothe heating oil, and on the outside temperature effect can make a sharp rise inoil temperature. The higher the temperature, the higher the temperature of thesuper high pressure hose, the more vulnerable to aging, poor flexibility,strength and sealing performance, ultra high pressure hose will soon burst.Therefore, in the operation, when the hydraulic system temperature rise toohigh, too fast, should be identified in a timely manner, to be ruled out;summer operations, especially in continuous operation, should take thenecessary cooling measures.

 
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