弘一液壓泵HONGYI葉片泵YB-E160/125-L 200-80雙聯(lián)泵高壓油泵





PV11R10,PV11R20
PV2PV2R1-10-F-RAA-43,PV2PV2R1-12-F-RAA-43,PV2PV2R1-14-F-RAA-43,PV2PV2R1-14-F-RAR-43,PV2PV2R1-17-F-RAA-43,PV2PV2R1-19-F-RAA-43,PV2PV2R1-23-F-RAA-43,PV2PV2R1-25-F-RAA-43,PV2PV2R1-31-F-RAA-43,PV2PV2R1-31-L-RAA-43,PV2PV2R1-6-F-RAA-43,PV2PV2R1-8-F-RAA-43,PV2PV2R2-33-F-RAA-41,PV2PV2R2-41-F-RAA-41,PV2PV2R2-47-F-RAA-41,PV2PV2R2-53-F-RAA-41,PV2PV2R2-59-F-RAA-41,PV2PV2R2-65-F-RAA-41,PV2PV2R2-65-F-RAL-41,PV2PV2R2-75-F-RAA-4103,PV2PV2R3-116-F-RAA-31,PV2PV2R3-116-F-RLB-31,PV2PV2R3-76-F-RAA-31,PV2PV2R3-94-F-RLB-31,PV2PV2R4-184-F-RAAA-30,pv2r1-10,pv2r1-10-f-raa-40,PV2R1-10-F-RAA-41,pv2r1-10-f-raa-4222,pv2r1-10-f-raa-43,PV2R1-12-FR,PV2R1-12-F-RAA-41,PV2R1-12-F-RAA-43,pv2r1-12-f-rar-41,pv2r1-14-f-r,PV2R1-14-F-RAA-41,PV2R1-14-F-RAA-43,PV2R1-14-F-RAR-43,pv2r1-17,PV2R1-17-F-RAA-41,PV2R1-17-F-RAA-43,pv2r1-17-f-ral-41,pv2r1-17-l-raa-41,PV2R1-19-F-RAA-41,PV2R1-19-F-RAA-43,PV2R12-10-41-F-REAA-43,PV2R12-12-26-F-REAA-43,PV2R12-12-26-F-REAR-42,PV2R12-12-53-F-RELA-43,PV2R12-14-53-F-REAA-43,PV2R12-14-53-F-RFAR-43,PV2R12-19-41-F-REAA-43,PV2R12-19-65-F-REAA-43,PV2R12-23-59-F-REAA-43,PV2R12-25-33-F-REAA-43,PV2R12-25-47-F-REAA-43,PV2R12-25-59-F-REAA-43,pv2r1-23,PV2R12-31-33-F-REAA-43,PV2R12-31-33-F-REAR-4326,PV2R12-31-59-F-REAA-43,PV2R12-31-65-F-REAA-43,pv2r1-23-f-raa-41,PV2R1-23-F-RAA-43,pv2r1-25-f-raa,PV2R1-25-F-RAA-41,PV2R1-25-F-RAA-43,pv2r1-25-l-raa-41,PV2R12-6-59-F-REAA-43,PV2R12-6-65-F-REAA-43,PV2R12-8-33-F-RFAR-43,pv2r1-28-f-raa-41,pv2r1-31,PV2R13-10-116-F-REAA-43,PV2R1-31-F-RAA41,pv2r1-31-f-raa-41,PV2R1-31-F-RAA-43,pv2r1-31-f-rab-41,PV2R1-31-L-RAA-43,pv2r1-6-f-raa,pv2r1-6-f-raa-40,PV2R1-6-F-RAA-41,pv2r1-6-f-raa-4222,PV2R1-6-F-RAA-43,pv2r1-6-l-raa-41,pv2r1-8,pv2r1-8-f-raa-41,PV2R1-8-F-RAA-43,PV2R2-,pv2r2-26,pv2r2-26-f-raa,pv2r2-26-f-raa-41,pv2r2-33,pv2r2-33-f-r,pv2r2-33-f-raa-41,pv2r2-33-f-rar-41,PV2R23-41-116-F-RAAA-41,PV2R23-41-94-F-REAA-41,pv2r2-41-f-raa,pv2r2-41-f-raa-40,PV2R2-41-F-RAA-41,pv2r2-41-l-raa-41,PV2R24-33-136-F-REAA-31,pv2r2-47,pv2r2-47-f-r,PV2R2-47-F-RAA-41,PV2R24A-41-FRAAA-10,pv2r2-53-f-r,PV2R2-53-F-RAA-41,PV2R2-59-F-RAA-41,pv2r2-59-f-rab-41,pv2r2-65,PV2R2-65-F-RAA-41,pv2r2-65-f-raa-4118,PV2R2-65-F-RAL-41,PV2R2-75-F-RAA-4103,PV2R3,pv2r3-116-f-raa-31,PV2R3-116-F-RLB-31,pv2r3-116-l-raa-31,pv2r3-116-l-rab-31,pv2r3-125-f-raa-31,PV2R3-136-F-RAA-31,PV2R34-116-153-L-REAA-31,pv2r34-116-237,PV2R34A-76-FRAAA-10,pv2r3-52,pv2r3-52-f-raa-31,pv2r3-52-l-raa-31,pv2r3-60-f-raa-31,pv2r3-66-l-raa-31,pv2r3-76,PV2R3-76-F-RAA-31,pv2r3-76-l-raa-31,pv2r3-85-f-raa-31,PV2R3-94-F-RAA-31,PV2R3-94-F-RLB-31,pv2r3-94-l-raa-31,PV2R4-136-F-RAA-30,PV2R4-153F-RAA-30,pv2r4-153-f-raa-30,PV2R4-184F-RAA-30,pv2r4-184-f-raa-30,PV2R4-184-F-RAAA-30,pv2r4-184-f-ral-30,pv2r4-184-l-raa-30,pv2r4-184-l-ral-30,PV2R4-200F-RAA-30,pv2r4-200-f-raa-30,pv2r4-200-l-raa-30,pv2r4-237,PV2R4-237F-RAA-30,pv2r4-237-f-raa-30,pv2r4-237-f-ral-30,PV2R4A-138-FRAA-10,PV2R4A-162-FRAA-10,PV2R4A-193-FRAA-10,PV2RPV2R12-10-41-F-REAA-43,PV2RPV2R12-12-26-F-REAA-43,PV2RPV2R12-12-26-F-REAR-42,PV2RPV2R12-12-53-F-RELA-43,PV2RPV2R12-14-53-F-REAA-43,PV2RPV2R12-14-53-F-RFAR-43,PV2RPV2R12-19-41-F-REAA-43,PV2RPV2R12-19-65-F-REAA-43,PV2RPV2R12-23-59-F-REAA-43,PV2RPV2R12-25-33-F-REAA-43,PV2RPV2R12-25-47-F-REAA-43,PV2RPV2R12-25-59-F-REAA-43,PV2RPV2R12-31-33-F-REAA-43,PV2RPV2R12-31-59-F-REAA-43,PV2RPV2R12-31-65-F-REAA-43,PV2RPV2R12-6-59-F-REAA-43,PV2RPV2R12-6-65-F-REAA-43,PV2RPV2R12-8-33-F-RFAR-43,PV2RPV2R13-10-116-F-REAA-43,PV2RPV2R23-41-116-F-RAAA-41,PV2RPV2R23-41-94-F-REAA-41,PV2RPV2R24-33-136-F-REAA-31,PV2RPV2R34-116-153-L-REAA-31
YBE-8,YBE-16,YBE-25,YBE-32,YBE-40,YBE-50,YBE-63,YBE-80,YBE-100,YBE-125,YBE-160,YBE-200
2520V15A6-1AB22R,2520V14A2-1AC22R,2520V14A3-1AB22R,2520V14A3-1AD22R,2520V14A4-1AC22R,2520V14A5-1AB22R,2520V14A8-1AD22R,2520V14A9-1AC22R,2520V15A10-1AC22R,2520V14A12-1AC22R,2520V14A14-1AB22R,2520V14A14-1AD22R,2520V10A9-1AB22R,4535VQ60A35-1BB22R,4535VQ60A25-86DB22R,4535VQ50A35-1BB22R,4535VQ60A25-86DA22R,2520V12A12-1AB22R,2520V10A8-1AB22R,2520V10A8-1AD22R,2520V10A7-1AD22R,2520V10A9-1AC22R,45VQ60A-1D22L,2520V10A10-1AB22R,2520V10A14-1AC22R,2520V10A2-1AB22R,2520V10A12-1AB22R,2520V10A12-1AD22R
4535VQ66A38-86AA22R
45VQ42A-86B22R,45VQ42A-86A22R,2520V10A10-1AC22R,45VQ60A-1C22L
2520V12A7-1AC22R,2520V12A6-1AD22R,2520V12A7-1AB22R,2520V12A9-1AB22R,2520V12A8-1AB22R,2520V12A9-1AD22R,2520V12A3-1AB22R,2520V12A2-1AB22R,2520V14A11-1AD22R,2520V14A11-1AB22R,2520V14A10-1AC22R,2520V10A4-1AB22R,2520V10A4-1AC22R,2520V12A10-1AD22R,2520V12A12-1AD22R,2520V12A11-1AB22R,2520V10A7-1AC22R,2520V10A6-1AB22R,2520V10A5-1AB22R,2520V10A2-1AC22R,2520V10A6-1AD22R
4520VQ45A5-1BB22R,4520VQ42A12-86DD22R,4520VQ50A11-1CC22R
35VQ30A-1D22R,4520VQ42A11-1AB22R,35VQ38A-1A22L,3525VQ38A21-86BB22R,35VQ25A-1B22R
3525VQ38A17-1AA22R,3525VQ35A14-1CC22R,3525VQ38A14-11AA22R
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大型液壓系統(tǒng)對(duì)液壓油的性能要求
液壓油是大型液壓系統(tǒng)中傳遞能量的工作介質(zhì)。在液壓泵(液壓馬達(dá))、液壓控制閥、液壓缸以及油管等連接起來(lái)的密封的液壓系統(tǒng)中,能量的傳遞是通過(guò)液壓油流動(dòng)過(guò)程中的壓力、流量變化來(lái)實(shí)現(xiàn)的。液壓油流經(jīng)液壓系統(tǒng)中的所有管道、小孔、縫隙、開(kāi)口,因此液壓油的品質(zhì)優(yōu)劣和是否選用正確,對(duì)于大型液壓系統(tǒng),起著十分重要的作用。
液壓油除了在液壓系統(tǒng)中傳遞能量之外,還應(yīng)具有其它一些功能,如潤(rùn)滑作用、密封作用、冷卻作用、防銹作用等。在液壓元件中,由于部件相互作用存在著各種各樣的運(yùn)動(dòng)。它們或者是旋轉(zhuǎn)運(yùn)動(dòng),或者是往復(fù)運(yùn)動(dòng),都存在著摩擦,因此需要適當(dāng)?shù)臐?rùn)滑。這種潤(rùn)滑不必另添加潤(rùn)滑劑,而是由液壓系統(tǒng)中的液壓油來(lái)實(shí)現(xiàn)的。液壓元件的配合面之間不可避免地存在著間隙,這種間隙對(duì)液壓系統(tǒng)的壓力有較大影響,間隙之間的油膜除了具有潤(rùn)滑作用外,還起著密封的作用,可以防止液壓件有較大的泄漏,保持系統(tǒng)中的壓力。液壓系統(tǒng)中的油液是循環(huán)的,發(fā)熱的油液在循環(huán)過(guò)程中流經(jīng)管道和油箱,外露的管道和一定容積的油箱可使油液散熱,得到適當(dāng)?shù)睦鋮s,起到冷卻系統(tǒng)的作用。液壓油在系統(tǒng)中還可對(duì)金腐件起到防銹作用,使金屬零件經(jīng)常處于油液的防銹保護(hù)之下。

科學(xué)技術(shù)的發(fā)展和工程的實(shí)際應(yīng)用,對(duì)液壓系統(tǒng)提出了越來(lái)越高的要求,特別是要求液壓系統(tǒng)向高壓力、大流量方向發(fā)展,大型液壓系統(tǒng)的工作條件隨油的壓力、流量變化而在不斷變化的,同時(shí)液壓油性質(zhì)要求相對(duì)穩(wěn)定,能夠有較長(zhǎng)的使用期限,因此,蘇州逐利告訴大家大型液壓系統(tǒng)對(duì)油液的性能提出了明確的要求。具體有幾下幾點(diǎn)。
1、液壓油的潤(rùn)滑性
為了減少功率損耗,提高液壓系統(tǒng)的性能,使液壓元件摩擦副具有良好的潤(rùn)滑性能是非常必要的。液壓油的潤(rùn)滑性是防止液壓元件發(fā)生卡緊和干摩擦現(xiàn)象的必備條件。另外,液壓泵和液壓馬達(dá)在啟動(dòng)時(shí),液壓油的潤(rùn)滑作用是否充分,對(duì)其啟動(dòng)性能特性的影響很大。
2、液壓油的粘性
液壓油在流動(dòng)的過(guò)程中具有一定的粘性。這種粘性保證了油液的連續(xù)流動(dòng),保證了油液的壓力和流量,同時(shí),也使液壓油起到潤(rùn)滑、密封、冷卻、防銹等作用。但是,不同的液壓系統(tǒng)和不同的工作條件,對(duì)油液的粘性有著不同的要求,液壓油的粘性大小是通過(guò)粘度來(lái)表示的。一般說(shuō)來(lái),合適的油液粘性能使液壓泵具有良好的吸油能力,能使液壓系統(tǒng)的壓力損失減少,能使摩擦副有著良好的潤(rùn)滑作用,因此要求液壓油在壓力、溫度和剪切力的作用下,粘度變化較小。
3、液壓油的安定性
由于液壓油中含有少量的水分,同時(shí)不可避免地與空氣接觸,因此液壓系統(tǒng)在高壓、高溫工作條件下,液壓油會(huì)因濕度升高而產(chǎn)生氧化、水解等作用,使油液內(nèi)生成腐蝕性物質(zhì)。這種有害物質(zhì)會(huì)堵塞過(guò)濾裝置,使系統(tǒng)的過(guò)濾性能下降,因此液壓系統(tǒng)希望其油液具有抗氧化和抗水解的安定性,使系統(tǒng)中的有害腐蝕物質(zhì)生成量盡量小,以延長(zhǎng)液壓油的使用壽命。
4、液壓油的壓縮性
在研究液壓系統(tǒng)的靜態(tài)特性時(shí),通??梢哉J(rèn)為液壓油是不可壓縮的液體.但在考慮液壓系統(tǒng)的動(dòng)態(tài)特性,如伺服系統(tǒng)的瞬時(shí)動(dòng)態(tài)響應(yīng)時(shí),液壓油的可壓縮性就是影響其動(dòng)態(tài)特性的重要因素之一。因此,液壓系統(tǒng)要求液壓油的可壓縮性盡量小。
5、液壓油的防銹性和抗腐蝕性
在水和空氣的作用下,液壓元件的金屬表面會(huì)發(fā)生銹蝕和腐蝕。銹蝕和腐蝕所產(chǎn)生的顆粒會(huì)在液壓系統(tǒng)中循環(huán),引起運(yùn)動(dòng)表面的磨損,使液壓系統(tǒng)發(fā)生故障。因此要求液壓油有較強(qiáng)的防銹性和抗腐蝕性,使金屬表面不生銹,不腐蝕。
6、液壓油的消泡性
液壓油中含有少量的空氣,會(huì)使油液中產(chǎn)生氣泡和泡沫。這種氣泡和泡沫會(huì)使液壓系統(tǒng)產(chǎn)生振動(dòng)和噪聲,使系統(tǒng)的性能急劇下降,因此液壓系統(tǒng)要求液壓油產(chǎn)生的氣泡和泡沫要盡量少,而且消失要快。
7、液壓油的抗乳化性
由于液壓油在工作過(guò)程中會(huì)混入少量的水,含水的液壓油在高速激烈的攪拌下會(huì)產(chǎn)生乳化液。液壓油中出現(xiàn)乳化液,會(huì)產(chǎn)生沉淀,或生成其它沉淀物,這對(duì)液壓系統(tǒng)是十分有害的。因此,液壓油要有良好的抗乳化性能,并且使油與水容易分離。
8、液壓油的相容性
液壓油長(zhǎng)期與密封件或軟管接觸,而密封件和軟管大多用橡膠材料做成,因此希望液壓油與橡膠材科具有良好的相容性。即液壓油對(duì)密封件和軟管不起變質(zhì)作用,使密封件和軟管盡量不變形,不變質(zhì)。
9、液壓油的抗燃性
液壓油應(yīng)具有燃點(diǎn)高、揮發(fā)性小的性能,有良好的抗燃性,保證液壓系統(tǒng)在高溫條件下的工作安全。
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