空(kōng)壓機(jī)轉(zhuǎn)子是高(gāo)速轉動的(de)，而端(duān)面是靜止，它們之間存(cún)在有一(yī)定的(de)間隙，而壓縮機功率(lǜ)越大(dà)所調的間隙也(yě)會增大。壓縮機(jī)轉子(zǐ)在裝配時(shí)很重(zhòng)要的一步就是調(diào)節(jiē)其間(jiān)隙，調大的話影響壓(yā)縮機排氣量(liàng)，小的話(huà)容易(yì)摩擦發生高溫(wēn)現象(xiàng)。螺杆(gǎn)壓縮機的排端(duān)間隙(xì)是是設計(jì)者在(zài)設(shè)計的時候确(què)定了的。一(yī)般間(jiān)隙是根據(jù)機器的大小、運行工(gōng)況、轉(zhuǎn)子(zǐ)及其缸(gāng)體的材料(liào)等因(yīn)素定的(de)。間(jiān)隙隻(zhī)要在一定(dìng)的範(fàn)圍内，不會影響機器的(de)正(zhèng)常運(yùn)行(háng)。

the air compressor rotor rotates at high speed, while the end face is stationary. there is a certain gap between them, and the clearance adjusted by the higher the compressor power is, the larger the clearance will be. when the compressor rotor is assembled, it is very important to adjust its clearance. if it is increased, it will affect the compressor exhaust volume. if it is small, it will easily cause high temperature friction. the end clearance of screw compressor is determined by the designer at the time of design. general clearance is determined by the size of the machine, operating conditions, materials of the rotor and its cylinder. as long as the clearance is within a certain range, it will not affect the normal operation of the machine.


如果空(kōng)壓機(jī)機頭使(shǐ)用多年後需(xū)要大修，維(wéi)修時最好是能(néng)從制(zhì)造(zào)廠商那(nà)了解(jiě)該機(jī)頭的(de)間隙(xì)範圍，而且(qiě)最好是能在拆機器的時候測(cè)式該機器準确(què)的間隙值，安裝(zhuāng)的時候盡量保證這(zhè)個間隙值(zhí)。當然，各個(gè)廠家(jiā)的結(jié)構不一樣(yàng),間隙調整(zhěng)也有(yǒu)區别(bié),要具體問(wèn)題具體分(fèn)析。如(rú)果所說(shuō)的機頭故障屬于(yú)工況環境導(dǎo)緻(zhì)，可以(yǐ)通過惡劣工況下用空氣過濾(lǜ)器，改(gǎi)善(shàn)運行環境，從源頭(tóu)呵護(hù)主(zhǔ)機，降低運行成本(běn)。

if the air compressor head needs to be overhauled after many years of use, it is better to know the clearance range of the head from the manufacturer when repairing, and it is better to measure the accurate clearance value of the machine when disassembling the machine, and try to ensure the clearance value when installing. of course, the structure of each manufacturer is different, gap adjustment is also different, specific issues need to be analyzed. if the said nose failure is caused by working conditions, the operating environment can be improved by using air filters under bad working conditions, and the main engine can be cared for from the source to reduce operating costs.



螺(luó)杆空壓機主機的進、排氣端面間隙，主(zhǔ)要是考慮密封(fēng)腔中(zhōng)的(de)各個熱(rè)膨脹(zhàng)所(suǒ)引(yǐn)起的(de)情況(kuàng)，因(yīn)此(cǐ)留有(yǒu)不同間(jiān)隙(xì)。此外(wài)，又因排(pái)氣端的受力大于(yú)進氣(qì)端，所以在(zài)排氣端用了止(zhǐ)推軸(zhóu)承。排(pái)氣(qì)端間隙(xì)過大(dà)，影響(xiǎng)壓縮效(xiào)率；過(guò)小，熱膨(péng)脹間隙也(yě)要必須保證(zhèng)。這時，也(yě)要考慮到軸承的遊(yóu)隙(xì)。在(zài)維修(xiū)主(zhǔ)機時，可以适(shì)當放寬一點，主(zhǔ)要是保證正常(cháng)運轉。轉(zhuǎn)子與機殼之(zhī)間的(de)間隙(xì)，大體(tǐ)上同上。螺(luó)杆主機(jī)是精密部件，要充(chōng)分掌握相關維修技(jì)術，才(cái)能進行很好地維(wéi)護(hù)。最後(hòu)，将維修(xiū)好的主(zhǔ)機進行相(xiàng)關的檢查(chá)，再(zài)按部就(jiù)班地(dì)進行總裝試車後(hòu)投入運(yùn)行。

the inlet and exhaust end clearance of the main engine of screw air compressor is mainly caused by the thermal expansion in the sealing chamber, so there are different clearances. in addition, the thrust bearing is used at the exhaust end because the force at the exhaust end is greater than that at the intake end. excessive clearance at the exhaust end affects the compression efficiency; too small, the thermal expansion clearance must also be guaranteed. at this time, bearing clearance should also be taken into account. in the maintenance of the main engine, we can relax a little, mainly to ensure normal operation. the clearance between the rotor and the casing is roughly the same. the main screw machine is a precise part. only by fully mastering the relevant maintenance technology, can it be well maintained. finally, the repaired main engine is inspected and put into operation after commissioning.