產(chǎn)品詳情
PVE21 B2LSTE9F41C19VP11B13
PVH098L01AJ30A2500000020 010001
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PVH098L03AJ30B252000AL1A D2AP01
PVH098L03AJ30B282000001A D10001
PVH098L13AJ30E252004001A D1AA01
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PVH098L52AJ30B252000001A D20001
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PVH098R01AJ30A2500000010 010001
PVH098R01AJ30A2500000010 01AB01
PVH098R01AJ30A2500000010 01AB01
PVH098R01AJ30A2500000020 010001
PVH098R01AJ30A2500000020 01AB01
PVH098R01AJ30B2520000010 010001
PVH098R01AJ30B2520000010 01AB01
PVH098R01AJ30B2520000010 0A
PVH098R01AJ30B2520000020 01AB01
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PVH098R01AJ30H002000AW20 01AB01
PVH098R01AJ70A2500000010 01AB01
PVH098R01AJ70B2520000010 01AB01
PVH098R01AJ70B2520000010 01AE01
PVH098R01AJ70E2520040010 01AE01
PVH098R02AJ30A2500000010 010001
PVH098R02AJ30A2500000010 01AB01
PVH098R02AJ30A2500000020 010001
PVH098R02AJ30B2520000010 010001
PVH098R02AJ30B2520000010 01AA01
PVH098R02AJ30B2520000010 01AB01
PVH098R02AJ30B252000001A D10001
PVH098R02AJ30B2520000020 010001
PVH098R02AJ30E2520040010 01AE01
PVH098R03AJ30B252000001A D10001
PVH098R03AJ30B252000001A D1AB01
PVH098R03AJ30B252000AL1A D1AP01
PVH098R13AJ30A070000001A D1AB01
PVH098R13AJ30A250000001A D1AB01
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PVH131L13AF30B2520000010 010001 PVH131L16AF30B252000001A D10001
PVH131R02AF30B142000001A D20001
PVH131R02AF30B2520000010 010001 PVH131R02AF30B2520000010 01AA01
PVH131R02AF30B2520000020 01AA01 PVH131R03AF30B2520000010 010001
PVH131R03AF30B2520000010 01AB01
PVH131R03AF30B252000001A D10001
為了便于檢修,蓄能器與管路之間應(yīng)安裝(截止閥),為了防止液壓泵停車(chē).
或泄載時(shí)蓄能器內(nèi)的壓力油倒流,蓄能器與液壓泵之間應(yīng)安裝(單向閥)。
21.選用過(guò)濾器應(yīng)考慮(過(guò)濾精度)、(通流能力)、( 機(jī)械強(qiáng)度)和其它功
能,它在系統(tǒng)中可安裝在(泵的吸油口)、(泵的壓油口)、(系統(tǒng)的回油路上)
和單獨(dú)的過(guò)濾系統(tǒng)中。.
22.兩個(gè)液壓馬達(dá)主軸剛性連接在-起組成雙速換接回路,兩馬達(dá)串聯(lián)時(shí),其轉(zhuǎn)
速為(高速);兩馬達(dá)并聯(lián)時(shí),其轉(zhuǎn)速為(低速), 而輸出轉(zhuǎn)矩(增加)。串聯(lián)
和并聯(lián)兩種情況下回路的輸出功率(相同)。
23.在變里泵-變里馬達(dá)調(diào)速回路中,為了在低速時(shí)有較大的輸出轉(zhuǎn)矩、在高速
時(shí)能提供較大功率,往往在低速段,先將(馬達(dá)排里) 調(diào)至最大,用(變里泵)
調(diào)速;在高速段,(泵排童)為最大,用(變量馬達(dá))調(diào)速。
24.限壓式變里泵和調(diào)速闊的調(diào)速回路,泵的流里與液壓缸所需流里( 自動(dòng)相
適應(yīng)),泵的工作壓力(不變);而差壓式變里泵和節(jié)流閥的調(diào)速回路,泵輸出
流童與負(fù)載流里(相適應(yīng)),泵的工作壓力等于(免載壓力 )加節(jié)流閥前
后壓力差,故回路效率高。
25.順序動(dòng)作回路的功用在于使幾個(gè)執(zhí)行元件嚴(yán)格按預(yù)定順序動(dòng)作,按控制方式
不同,分為(仂)控制和(行程)控制。同步回路的功用是使相同尺寸的執(zhí)
行元件在運(yùn)動(dòng)上同步,同步運(yùn)動(dòng)分為(速度)同步和(位置)同步兩大類(lèi) 。
26.不含水蒸氣的空氣為(王空氣);含水蒸氣的空氣稱(chēng)為(濕空氣),所含水
分的程度用(濕度)和(含濕量)來(lái)表示。
27.理想氣體是指(沒(méi)有粘性的氣體)。一定質(zhì)里的理想氣體在狀態(tài)變化的某一
穩(wěn)定瞬時(shí),其壓力、溫度、體積應(yīng)服從( 氣體狀態(tài)方程pV/T=常數(shù))。
PVE21 B2LSTE9F41C19VP11B13