HONGYI弘一葉片泵4520V-60A14-86雙聯(lián)油泵4520V-50A/5
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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淺談液壓系統(tǒng)同步回路與同步精度
在各類(lèi)液壓機(jī)器、設(shè)備、裝置中，實(shí)現(xiàn)同步運(yùn)行功能是由液壓元件、管路按一定規(guī)律組合，并以液流介質(zhì)傳遞，控制驅(qū)動(dòng)兩個(gè)或兩個(gè)以上的執(zhí)行器（液壓缸或液壓馬達(dá)）產(chǎn)生相同的線位移或角位移的運(yùn)動(dòng)，即謂之液壓同步回路。液壓同步回路是 液壓系統(tǒng)中回路之一，一般是由控制同步運(yùn)動(dòng)的液壓件，經(jīng)管道至執(zhí)行器，執(zhí)行器的回油口經(jīng)管路至油箱部分，即同步回路組成部分。
同步精度，表示同時(shí)數(shù)個(gè)同步執(zhí)行器（液壓缸或液壓馬達(dá)）輸出力或轉(zhuǎn)矩的機(jī)件（液壓缸的活塞桿、液壓馬達(dá)輸出軸），它們之間運(yùn)動(dòng)速度或位移的誤差程度。常用同步誤差率來(lái)表示同步精度，其表達(dá)式為：
δ理=【（Q理－Q實(shí)）/ Q理】×100%
式中δ理──理論同步誤差率；
Q理──計(jì)算的理論流量；
Q實(shí)──輸入執(zhí)行器的實(shí)際流量。
δ=【（Qmax―Qmin）/Qmin】×100%
式中δ──同步誤差率；
Qmax——輸入執(zhí)行器的最大流量；
Qmin——輸入執(zhí)行器的最小流量。
上式中δ可能有三個(gè)值，如上式即為一個(gè)值；若將上式中分母Qmin改為Qmax，則δ值相應(yīng)就縮??；另外將上式中Qmin改為Q理，則δ又是一個(gè)值。但是實(shí)際工作中，一般是以實(shí)際同步誤差值作為要求（或列入技術(shù)條件或列入合同），一種以絕對(duì)值如同步精度0. 5mm，另一種是同步精度相對(duì)值如同步精度0. 5mm/m，即每行程1m同步誤差允許0．5mm/m，當(dāng)然具體的同步誤差值是由具體條件決定的。
在具有液壓系統(tǒng)同步回路的機(jī)械設(shè)備中，若同步回路的同步精度達(dá)不到要求，則該機(jī)械設(shè)備就不能充分發(fā)揮效用，甚至成廢品一堆，不但浪費(fèi)人力物力，而且使生產(chǎn)規(guī)劃落空。
由此看來(lái)，液壓同步回路在要求具有同步運(yùn)動(dòng)功能的機(jī)器、設(shè)備、裝置中占很重要的地位。因此大蘭液壓廠家提醒大家在設(shè)計(jì)液壓同步回路時(shí)，首先要保證回路能達(dá)到同步精度要求，其次要適合其他技術(shù)要求，同時(shí)也符合使用環(huán)境等。故要設(shè)計(jì)出優(yōu)良的液壓同步回路，除熟知這些要求外，必須對(duì)組成這些回路的液壓元件的結(jié)構(gòu)、原理、功能、適應(yīng)條件有清楚的了解，對(duì)涉及的儀器、電氣電子器件等也應(yīng)該有一定的了解。
液壓同步回路雖然屬于液壓傳動(dòng)系統(tǒng)（以傳遞動(dòng)力為主、傳遞信息次之），但是隨著科學(xué)技術(shù)飛躍發(fā)展，尤其電子技術(shù)進(jìn)步以及對(duì)同步精度要求越來(lái)越高，
如今液壓控制系統(tǒng)（以傳遞信息為主，傳遞動(dòng)力次之）已與液壓系統(tǒng)傳動(dòng)系統(tǒng)日益融合，有時(shí)在液壓系統(tǒng)中很難分清哪些屬于傳動(dòng)系統(tǒng)，哪些屬于控制系統(tǒng)。故液壓工作者尤其設(shè)計(jì)者對(duì)控制理論及電子電氣技術(shù)知識(shí)也應(yīng)有一定程度的了解，否則很難得心應(yīng)手從事液壓技術(shù)工作。
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