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當(dāng)發(fā)現(xiàn)高粘度泵在運(yùn)轉(zhuǎn)中產(chǎn)生異常雜音后,應(yīng)立即檢查高粘度泵的啟動(dòng)壓力是否符合規(guī)定值,可用電流表檢查泵電機(jī)的輸入電流是否合乎額定值,有無異常的高或低。還應(yīng)檢查高粘度泵內(nèi)潤滑油的情況及泵的安放位置是否合適。發(fā)現(xiàn)問題后,要立即采取相應(yīng)的措施解決。日本NACHI不二越PZS-3A-180N3-10變量柱塞泵
高粘度泵工作時(shí)轉(zhuǎn)子與轉(zhuǎn)子,轉(zhuǎn)子與泵體互相不接觸,因此沒有直接磨損,但由于間隙很?。ㄒ话?.10~0.25mm),經(jīng)長期運(yùn)轉(zhuǎn)后傳動(dòng)齒輪磨損,當(dāng)齒側(cè)間隙大于轉(zhuǎn)子間 小間隙時(shí),將產(chǎn)生相碰而發(fā)生故障,此時(shí)則應(yīng) 換齒輪。一般在運(yùn)轉(zhuǎn)一年則應(yīng)進(jìn)行大修一次,檢查齒輪及軸承的磨損情況,檢查密封裝置, 換密封圈(環(huán)),檢查轉(zhuǎn)子腐蝕情況,轉(zhuǎn)子結(jié)垢情況,泵體內(nèi)表面腐蝕情況和結(jié)垢情況.清洗測量磨損超出規(guī)定尺寸時(shí),應(yīng)調(diào)整間隙或 換零件.
NACHI柱塞泵PVS-2B-45N0-12
NACHI柱塞泵PVS-2B-45N1-12
NACHI柱塞泵PVS-2B-45N2-12
NACHI柱塞泵PVS-2B-45N3-20
NACHI柱塞泵PZS-3B-70N1-10
NACHI柱塞泵PZS-3B-70N3-10
NACHI柱塞泵PZS-3B-70N4-10
NACHI柱塞泵PZS-4B-100N1-10
NACHI柱塞泵PZS-4B-100N3-10
NACHI柱塞泵PZS-4B-100N4-10
NACHI柱塞泵PZS-5B-130N1-10
NACHI柱塞泵PZS-5B-130N3-10
NACHI柱塞泵PZS-5B-130N4-10
NACHI柱塞泵PZS-6B-180N1-10
NACHI柱塞泵PZS-6B-180N3-10
NACHI柱塞泵PZS-6B-180N4-10
NACHI柱塞泵PZS-6B-220N1-10
NACHI柱塞泵PZS-6B-220N3-10I
VPV4-30-F-R-1C-10,IVPV4-35-F-R-1C-10,IVPV4-38-F-R-1C-10,IVPV4-42-F-R-1C-10,
IVPV4-50-F-R-1C-10,IVPV4-60-F-R-1C-10,IVPV4-67-F-R-1C-10,IVPV4-75-F-R-1C-10,
IVPV4-30-F-R-1D-10,IVPV4-35-F-R-1D-10,IVPV4-38-F-R-1D-10,IVPV4-42-F-R-1D-10,
IVPV4-50-F-R-1D-10,IVPV4-60-F-R-1D-10,IVPV4-67-F-R-1D-10,IVPV4-75-F-R-1D-10
日本NACHI不二越PZS-3A-180N3-10變量柱塞泵柱塞泵的輸出壓力異常還可以表現(xiàn)為輸出壓力過低,當(dāng)液壓泵在自吸狀態(tài)下,若進(jìn)油管路漏氣或系統(tǒng)中液壓缸、單向閥、換向閥等發(fā)生較大泄漏時(shí),會(huì)使壓力值降低,氣壓上不去,這時(shí)就會(huì)導(dǎo)致柱塞泵的輸出壓力降低,從而使柱塞泵無法正常吸油排油,解決此類情況應(yīng)及時(shí)對液壓系統(tǒng)造成及時(shí)找出漏氣處,然后更換或緊固壓力件即可提高壓力。如果經(jīng)檢測發(fā)現(xiàn)液壓泵的缸體與配流盤產(chǎn)生偏差造成大量泄漏造成缸體破裂時(shí)應(yīng)重新研磨配合面或更換液壓泵。當(dāng)檢測溢流閥有故障或調(diào)整壓力低,會(huì)導(dǎo)致系統(tǒng)壓力也上不去,應(yīng)重新調(diào)整壓力或檢修溢流閥。