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公司基本資料信息
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武穴黎翔機(jī)電設(shè)備有限公司,詢價(jià)聯(lián)系人:何女士
詢價(jià)電話:0713-6542758,手機(jī):18934630908????
詢價(jià)傳真:0713-6542758
詢價(jià)QQ:?736567721,704552157
現(xiàn)貨特價(jià)型號(hào):R900925687?4WRAE10W1-30-22/G24N9K31/F1V??2臺(tái)
?液壓傳動(dòng)系統(tǒng)中的工作油液不僅用來傳遞能量,同時(shí)要對(duì)各種元件中零件的活動(dòng)部位起潤滑作用,以防止產(chǎn)生干摩擦,造成零件的嚴(yán)重磨損,影響元件的使用壽命。尤其是當(dāng)液壓系統(tǒng)在高壓、高速、高溫條件下工作時(shí),更要求油液能有良好的潤滑性能。也就是要能夠具有高的油膜強(qiáng)度,即耐磨性要高。
????(三)良好的防腐蝕性
????工作油液的腐蝕性,包括對(duì)密封元件的腐蝕性及對(duì)金屬零件的腐蝕性。
????液壓閥及其他所有液壓元件和系統(tǒng)所用的密封件,都是為了防止油液不應(yīng)有的外泄漏。密封材料的選擇,根據(jù)所用工作油液的不同而應(yīng)有所不同。如采用丁晴橡膠材料的密封件,用礦物油型油液就能很好適應(yīng),而用磷酸酯抗燃液壓油時(shí),就會(huì)使密封件受到腐蝕。腐蝕現(xiàn)象有二種情況;一是使密封材料產(chǎn)生溶脹,軟化,二是使密封材料硬化。其結(jié)果都使密封件失去密封性能,造成大量外泄漏,使液壓系統(tǒng)效率降低,甚至發(fā)生故障不能工作。
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????液壓閥及所有液壓元件的高精度和高光潔度的金屬零件,在長期工作中,由于水分與空氣的共同作用,將會(huì)發(fā)生銹蝕。銹蝕掉的顆粒隨油液循環(huán),進(jìn)一步造成零件的磨損,并加快零件的氧化,以至損壞元件,嚴(yán)重影響液壓系統(tǒng)的正常工作。
????為此,工作油液應(yīng)含有各種防腐劑,以使其有足夠的防腐性能。
????(四)良好的消泡性能
PARKER電磁閥#PARKER流體4路先導(dǎo)閥
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????由于溢流閥溢油口的急速溢油以及系統(tǒng)回油管道的回油沖入油池,都可能使油液產(chǎn)生氣泡,混入空氣。這將造成執(zhí)行機(jī)構(gòu)運(yùn)動(dòng)的不平穩(wěn),甚至引起振動(dòng)和噪聲。
????另外,由于空氣的混入,在高壓下使空氣溶解到油液中;在負(fù)壓下空氣又從油液中析出,使油液的體積變化很大。這對(duì)系統(tǒng)工作壓力變化很大的高壓液壓系統(tǒng),或控制精度要求很高的液壓伺服系統(tǒng),將會(huì)造成工作的不平穩(wěn)和動(dòng)力傳遞的滯后現(xiàn)象,影響執(zhí)行機(jī)構(gòu)工作的可靠性和準(zhǔn)確性。
024-03124-503S?T6D?031?1R03?B5
024-03592-000S?T6D?035?1L00?B1
024-03592-003S?T6D?035?1L03?B1
024-03123-000S?T6D?035?1R00?B1
024-03123-500S?T6D?035?1R00?B5
024-03123-001S?T6D?035?1R01?B1
024-03123-002S?T6D?035?1R02?B1
024-03123-003S?T6D?035?1R03?B1
024-03128-000S?T6D?038?1L00?B1
024-03122-000S?T6D?038?1R00?B1
024-03122-001S?T6D?038?1R01?B1
024-03122-002S?T6D?038?1R02?B1
024-03122-003S?T6D?038?1R03?B1
024-03121-000S?T6D?042?1R00?B1
024-03121-001S?T6D?042?1R01?B1
024-03121-002S?T6D?042?1R02?B1
024-03121-003S?T6D?042?1R03?B1
024-03121-503S?T6D?042?1R03?B5
024-03485-000S?T6D?045?1L00?B1
024-03485-002S?T6D?045?1L02?B1
024-03120-000S?T6D?045?1R00?B1
024-03120-001S?T6D?045?1R01?B1
024-03120-002S?T6D?045?1R02?B1
024-03120-003S?T6D?045?1R03?B1
024-49998-001S?T6D?050?1L01?B1
024-49998-003S?T6D?050?1L03?B1
024-44730-000S?T6D?050?1R00?B1
024-44730-500S?T6D?050?1R00?B5
024-44730-001S?T6D?050?1R01?B1
024-26971-000S?T6D?B38?1R00?B1
054-36113-002S?T6D?017?2R02?B1
024-26041-000S?T6D?024?2R00?B1
024-26041-001S?T6D?024?2R01?B1
024-26041-002S?T6D?024?2R02?B1
024-26041-003S?T6D?024?2R03?B1
024-25792-000S?T6D?028?2R00?B1
024-25792-002S?T6D?028?2R02?B1
024-25792-003S?T6D?028?2R03?B1
024-25792-503S?T6D?028?2R03?B5
014-97548-000S?T6D?031?2R00?B1
014-97548-001S?T6D?031?2R01?B1
014-97548-002S?T6D?031?2R02?B1
014-97548-003S?T6D?031?2R03?B1
024-26092-000S?T6D?035?2L00?B1
024-26092-001S?T6D?035?2L01?B1
024-03531-000S?T6D?035?2R00?B1
024-03531-001S?T6D?035?2R01?B1
024-03531-002S?T6D?035?2R02?B1
024-03531-003S?T6D?035?2R03?B1
024-26980-003S?T6D?038?2L03?B1
024-25737-000S?T6D?038?2R00?B1
024-25737-001S?T6D?038?2R01?B1
024-25737-002S?T6D?038?2R02?B1
024-25737-003S?T6D?038?2R03?B1
024-25738-000S?T6D?042?2R00?B1
024-25738-001S?T6D?042?2R01?B1
024-25738-002S?T6D?042?2R02?B1
024-25738-502S?T6D?042?2R02?B5
024-26102-000S?T6D?045?2L00?B1
024-26102-002S?T6D?045?2L02?B1
014-97549-000S?T6D?045?2R00?B1
014-97549-500S?T6D?045?2R00?B5
014-97549-001S?T6D?045?2R01?B1
014-97549-002S?T6D?045?2R02?B1
014-97549-502S?T6D?045?2R02?B5
014-97549-003S?T6D?045?2R03?B1
024-72015-002S?T6D?050?2L02?B1
????因此,要求油液中含有有效的消泡劑,使其有良好的消除汽泡、釋放空氣的性能。
????(五)良好的抗乳化性能
????液壓系統(tǒng)由于管道維護(hù)不善等原因,使冷卻水、冷凝水混入油液中,生成乳化液,引起油液變質(zhì),降低了油液的潤滑性和防銹性,使元件的滑動(dòng)部位產(chǎn)生早期磨損,影響元件的使用壽命,也影響了油液的使用壽命。因此,要求油液對(duì)水有良好的分離性能,提高其抗乳化特性。
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