HONGYI弘一雙聯(lián)高壓葉片油泵PV2R12 PV2R13 PV2R31 PV2R32 PV2R21
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
3520VQ35A8-86AA22L，3525VQ25A12-1CB22R，3525VQ-25A-10-1C22R，3520VQ30A8-1CC22R，3520VQ38A14-1AA22R，3520VQ30A8-1AA22R，3520VQ30A14-1AA22R，3520VQ35A14-1BB22R，3520VQ30A11-1BB22R，3520VQ-38A-5-1C22R，3520VQ30A5-1DC22R
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液壓系統(tǒng)設(shè)計(jì)和研究過程
液壓系統(tǒng)設(shè)計(jì)和研究的過程大致可分為兩個階段，即初步設(shè)計(jì)階段和辨識或研究后改進(jìn)階段。具體可細(xì)分為以下六步。
1.在液壓系統(tǒng)開發(fā)之初，還沒有初始型實(shí)物，先在紙上規(guī)定出成本和所期望的物理特性。其原始要求無論是由行家還是外行人所提出，往往都不完全、不準(zhǔn)確，甚至包括相互矛盾的提法，因此，大蘭液壓廠家告訴大家必須從中抽象和總結(jié)出系統(tǒng)的任務(wù)和要求，使之具有明確的目的和判據(jù)。一般其共同性的要求有：
1)系統(tǒng)工作安全，能夠預(yù)測故障,而且有失效保護(hù)；
2)充分滿足所有可以預(yù)想到的負(fù)載要求；
3)有適當(dāng)長而可靠的工作壽命；
4)盡量價(jià)廉；
5)維修方便、費(fèi)用低。
至于特殊要求，如精度、響應(yīng)速度、總效率、容許最高應(yīng)力等，可作為設(shè)計(jì)的約束條件或目標(biāo)。
2.寫出該系統(tǒng)中各元件的假設(shè)的數(shù)學(xué)模型，然后在計(jì)算機(jī)上確定它的輸出響應(yīng)。
3.將數(shù)學(xué)模型所給出的結(jié)果與所期望的特性作比較,并調(diào)整參數(shù)?？梢杂脟L試法作比較，設(shè)計(jì)者根據(jù)主觀判斷,改變參量的數(shù)值，然后作計(jì)算機(jī)仿真。如此進(jìn)行，直至找到滿意的數(shù)學(xué)模型。此法雖原始，但往往有效，針對數(shù)學(xué)模型作運(yùn)算，可用計(jì)算機(jī)來完成。
經(jīng)常需要改變的參量雀節(jié)流口有效面積、節(jié)流口液導(dǎo)、閥心直徑、彈簧剛度等。這就相當(dāng)于同時篩選了方案和找到使系統(tǒng)件能敏感的關(guān)鍵參量。經(jīng)選定的參數(shù)，就是原始型的尺寸。它的構(gòu)件尺寸接近于最優(yōu)，從而節(jié)省了實(shí)際費(fèi)用和時間。
4.對液壓系統(tǒng)進(jìn)行辨識或研究。將按前三步仔細(xì)設(shè)計(jì)后制成的初始模型，在實(shí)驗(yàn)室測試，如未達(dá)到所期望的性能，則按辨識后的結(jié)果修改設(shè)計(jì)。在實(shí)驗(yàn)室測試出初始型的響應(yīng)，即作為所期望的響應(yīng)，與數(shù)學(xué)模型的輸出作比較，并據(jù)此修改數(shù)學(xué)模型參量,甚至結(jié)構(gòu)。經(jīng)修改后的數(shù)學(xué)模型需與初始呦的實(shí)際響應(yīng)基本一致。
5.按照這個精確的數(shù)學(xué)模型，再作液壓系統(tǒng)設(shè)汁、選元件，而設(shè)計(jì)的依據(jù)則是期望的物理系統(tǒng)響應(yīng)。
液壓系統(tǒng)中任何參數(shù)的改變所形成的響應(yīng)，應(yīng)有把握地與該初始型系統(tǒng)相應(yīng)的參數(shù)經(jīng)過同樣改變后的響應(yīng)相同。這個過程,是在數(shù)學(xué)模型上作運(yùn)算，比在初始型上作修改和測試要經(jīng)濟(jì)得多，因而節(jié)省了人力物力。
6.在系統(tǒng)方案和元件選定后，核對系統(tǒng)是否滿足正常工作中的靜態(tài)和動態(tài)要求，以及考查在極端環(huán)境下(如熱天或冷天)和用戶可能遇到的所有工作條件下系統(tǒng)的行為，這也用計(jì)箅機(jī)分析。
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