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CNC高壓清洗機沒壓力怎么回事

作者：創(chuàng)始人來源：http://www.fasheofashion.com/時間：2025-11-20

　　CNC高壓清洗機壓力的變化會影響系統(tǒng)的其它參數(shù)，而適當?shù)卣{整相應的壓力參數(shù)，能夠降低沿程壓力損失，以獲得更好的打擊力。根據(jù)公式N=16.7PQ/1000可以得知，CNC高壓清洗機的能量損失與壓力成正比。所以CNC高壓清洗機的壓力損失主要可以按三方面來研究，它們分別是CNC高壓清洗機車上段壓力損失、高壓膠管段壓力損失及噴嘴壓力損失。

　　The change in pressure of CNC high-pressure cleaning machine will affect other parameters of the system, and adjusting the corresponding pressure parameters appropriately can reduce the pressure loss along the way and obtain better impact force. According to the formula N=16.7PQ/1000, it can be concluded that the energy loss of a CNC high-pressure cleaning machine is proportional to the pressure. So the pressure loss of CNC high-pressure cleaning machines can be mainly studied in three aspects, namely the pressure loss of the upper section of the CNC high-pressure cleaning locomotive, the pressure loss of the high-pressure hose section, and the nozzle pressure loss. base64_image

　　CNC高壓清洗機車上段的壓力損失

　　Pressure loss in the upper section of CNC high-pressure cleaning locomotive

　　在CNC高壓清洗機上，由于有一段從高壓泵出口到卷筒出口的高壓水管, 所以稱為CNC高壓清洗機車上段壓力損失。這段高壓膠管有4~5個接頭和彎頭，高壓水急劇轉彎較多，所以損失通常達到清洗系統(tǒng)總損失的5%，大約有15~20bar。雖然損失壓力不大，但我們在計算CNC高壓清洗機壓力損失時，應將CNC高壓清洗機車上段的壓力損失考慮在內(nèi)。

　　On the CNC high-pressure cleaning machine, there is a section of high-pressure water pipe from the outlet of the high-pressure pump to the outlet of the drum, which is called the pressure loss in the upper section of the CNC high-pressure cleaning locomotive. This section of high-pressure hose has 4-5 joints and bends, and the high-pressure water has a lot of sharp turns, so the loss usually reaches 5% of the total loss of the cleaning system, which is about 15-20 bar. Although the pressure loss is not significant, we should take into account the pressure loss in the upper section of the CNC high-pressure cleaning locomotive when calculating the pressure loss of the CNC high-pressure cleaning machine.

　　CNC高壓清洗機噴嘴壓力損失

　　CNC high-pressure cleaning machine nozzle pressure loss

　　CNC高壓清洗機的直接清洗工具是噴射槍具，其中首當其沖的就是噴嘴，因為高壓水射流是由噴嘴產(chǎn)生的。它是將高壓泵的壓力能轉變成速度能的唯一工具。

　　The direct cleaning tool of CNC high-pressure cleaning machine is the spray gun, among which the nozzle is the first and foremost, because high-pressure water jet is generated by the nozzle. It is the only tool that converts the pressure energy of a high-pressure pump into velocity energy.

　　噴嘴壓力損失主要是高壓水在噴嘴中局部壓力集中及動壓突然變化引起的。高壓水在噴嘴入口處的壓力損失；噴嘴中流道斷面較大變化造成的壓力損失；噴嘴中水流方向突然改變造成的壓力損失；單股水流變成多股水流形成分支造成的壓力損失；高壓水流出噴嘴形成高壓水射流造成的出口壓力損失。

　　The nozzle pressure loss is mainly caused by local pressure concentration and sudden changes in dynamic pressure of high-pressure water in the nozzle. The pressure loss of high-pressure water at the nozzle inlet; Pressure loss caused by significant changes in the cross-sectional area of the flow channel in the nozzle; The pressure loss caused by a sudden change in the direction of water flow in the nozzle; The pressure loss caused by the branching of a single stream of water into multiple streams of water; The outlet pressure loss caused by the high-pressure water flowing out of the nozzle to form a high-pressure water jet.

　　高壓水在噴嘴中流動造成的壓力損失是非常大的，如果噴嘴的形狀及內(nèi)孔結構設計的不好，最大壓力損失可占CNC高壓清洗機總壓力損失的60%。噴嘴段壓力損失是占CNC高壓清洗機總壓力損失比例中最大的，而減少噴嘴壓力損失，只有通過噴嘴內(nèi)部結構的正確設計和精確制作才能達到目的。

　　The pressure loss caused by the flow of high-pressure water in the nozzle is very large. If the shape and inner hole structure of the nozzle are not designed properly, the maximum pressure loss can account for 60% of the total pressure loss of the CNC high-pressure cleaning machine. The pressure loss in the nozzle section accounts for the largest proportion of the total pressure loss in CNC high-pressure cleaning machines, and reducing nozzle pressure loss can only be achieved through the correct design and precise manufacturing of the internal structure of the nozzle.

　　CNC高壓清洗機高壓膠管段壓力損失

　　Pressure loss in the high-pressure hose section of CNC high-pressure cleaning machine

　　高壓膠管段是從卷筒出口到噴槍入口很長一段的膠管。這段管路壓力損失約占CNC高壓清洗機總壓力損失的50%以上，甚至可以達到2/3左右。這段管路壓力損失可以用兩種方法得出，一種是通過計算，而另一種是通過實驗。計算時，應將流動的高壓水作為紊流狀態(tài)來考慮，因紊流符合實際情況。

　　The high-pressure hose section is a long section of hose from the outlet of the drum to the inlet of the spray gun. The pressure loss in this section of the pipeline accounts for more than 50% of the total pressure loss of the CNC high-pressure cleaning machine, and can even reach about 2/3. The pressure loss of this pipeline can be obtained in two ways, one is through calculation, and the other is through experimentation. When calculating, the flowing high-pressure water should be considered as a turbulent state, as turbulent flow conforms to the actual situation.

　　在計算高壓膠管段壓力損失時，還應將高壓膠管在卷筒上的纏繞損失考慮在內(nèi)。纏繞曲率半徑越小，圈數(shù)越多，壓力損失越大。在實際應用中，如果高壓膠管選擇或處理不當，將會導致CNC高壓清洗機清洗效果大大降低，甚至不能達到當時購買的初衷。

　　When calculating the pressure loss of the high-pressure hose section, the winding loss of the high-pressure hose on the drum should also be taken into account. The smaller the curvature radius of the winding, the more turns it has, and the greater the pressure loss. In practical applications, improper selection or handling of high-pressure rubber hoses can greatly reduce the cleaning effect of CNC high-pressure cleaning machines, and even fail to achieve the original intention of purchase at that time.

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