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電液比例多路閥負載傳感與壓力補償技術
節約能量、降低油溫和提高控制精度，同時也使同步動作幾個執行元件運動時互不干擾，現較先進工程機械都采用了負載傳感與壓力補償技術。負載傳感與壓力補償是一一個很相似概念,都是利用負載變化引起壓力變化去調節泵或閥壓力與流量以適應系統工作需求。負載傳感對定量泵系統來講是將負載壓力負載感應油路引至遠程調壓溢流閥上，當負載較小時，溢流閥調定壓力也較小;負載較大，調定壓力也較大，但也始終存一定溢流損失。變量泵系統是將負載傳感油路引入到泵變量機構，使泵輸出壓力隨負載壓力升高而升高(始終為較小固定壓差)，使泵輸出流量與系統實際需要流量相等，無溢流損失，實現了節能。壓力補償是提高閥控制性能而采取一種保證措施。將閥口后負載壓力引入壓力補償閥，壓力補償閥對閥口前壓力進行調整使閥口前后壓差為常值，這樣節流口流量調節特性流經閥口流量大小就只與該閥口開度有關，而不受負載壓力影響。

工程機械電液比例閥先導控制與遙控
電液比例閥和其它專用器件技術進步使工程車輛擋位、轉向、制動和工作裝置等各種系統電氣控制成為現實。一般需要位移輸出機構可采用比例伺服控制手動多路閥驅動器完成。電氣操作具有響應快、布線靈活、可實現集成控制和與計算機接口容易等優點,現代工程機械液壓閥已越來越多采用電控先導控制電液比例閥(或電液開關閥)代替手動直接操作或液壓先導控制多路閥。采用電液比例閥(或電液開關閥)另一個顯著優點是工程車輛上可以大大減少操作手柄個數，這使駕駛室布置簡潔，能夠有效降低操作復雜性，對提高作業質量和效率都具有重要實際意義。

電液比例閥工程機械上應用實例
汽車起重機液壓系統。該機采用了3片型比例多路閥，負載傳感油路中3個梭閥將3個工作負載中大壓力選出來送至遠程調壓溢流閥遠控口，調整溢流閥溢流壓力，使液壓泵輸出壓力恰好符合系統負載需要即可，達到一定節能目。壓力補償油路使每一片閥流量僅與該閥開度有關，而所承受負載無關，它閥片所承受負載也沒有關系，達到任一負載下均可隨意控制負載速度目。
推土機推土鏟手動與電液比例先導控制實例。當二位三通電磁閥不通電時，先導壓力與手動減壓式先導閥相通，梭閥選擇來自手動先導閥壓力對液動換向閥進行控制;當二位三通電磁閥通電時，先導控制壓力油通向三通比例減壓式先導閥，梭閥對液動換向閥進行控制。

比例控制技術是在開關控制技術和伺服控制技術之間的過渡技術，采用比例放大器控制比例電磁鐵，實現對比例閥的連續控制，從而實現對液壓系統壓力、流量、方向的無級調節；但是用比例方向閥進行速度控制時，如果負載是變化的，那么執行元件的速度就會受負載變化的影響（負載小時速度快，負載大時速度慢）；于是在系統設計時，人們引入了壓力補償器，它可以使比例閥閥口的壓差保持恒定，使執行元件的速度不受負載變化的影響。

某鋼廠步進梁式加熱爐中步進梁升降液壓回路。 此回路使用了比例方向閥與進口壓力補償。 由于步進梁下降時，存在超越負載，所以在油缸無桿腔設置了平衡閥。 壓力補償器的彈簧調定后（這里為定值）,比例閥節流口的壓差 Δp 就近似為恒定值,即比例方向閥進油口前后壓差 Δp 保持恒定值。 當節流口前后壓差保持不變時,通過節流口的流量只與節流口的開口面積成正比。 對比例方向閥而言, 進油節流口的開口面積與比例方向閥的輸入電流信號有關,而與負載的變化無關。 亦即升降油缸的供油流量 Q 只與比例方向閥的輸入電流信號有關,與負載的變化無關。

補償器主要用于節流調速系統 ，即補償比例閥口的壓差，在定量泵系統中得到了廣泛的應用；但這種應用不可避免地會產生一定的溢流損失；如果二通壓力補償器與泵控壓力補償器配合使用，則可以實現容積節流調速。 

變量泵+比例多路閥的形式， 組成了負載敏感回路；除每一聯多路閥都設有進口壓力補償器外；變量泵還配有泵控壓力補償器；此補償器與反饋油路配合可實現負載敏感控制， 使此回路不僅降低了比例閥閥口的節流損失，也將液壓系統的溢流損失降到低。
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力士樂REXROTH高響應方向閥，先導，帶集成電控裝置（OBE）和電氣位置反饋4WRDE -5X
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R900527874 4WRDE25Q2-500P-5XH/6L24Z9/M
R900517024 4WRDE25Q2-500P-5XH/6L24Z9/WG021M
R900527544 4WRDE25Q2-500P-5XH/6L24Z9/WG021MR
R900574732 4WRDE25R3-350R-5X=6L24Z9/WG021MR=LB
R900524716 4WRDE25R350R-5X/6L24Z9/WG021MR
R900532406 4WRDE25V1-350L-5X/6L24TZ9/WG021MR
R900939571 4WRDE25V1-350P-5X/6L24ETK9/WG021MR
R900553563 4WRDE25V220S-5X/6L24EZ9/WG043M
R900510539 4WRDE25V350L-5X/6L24ETZ9/MR
R900557302 4WRDE25V350L-5X/6L24ETZ9/WG021M
R900551315 4WRDE25V350L-5X/6L24EZ9/M
R900534396 4WRDE25V350L-5X/6L24EZ9/MR
R900522616 4WRDE25V350L-5X/6L24Z9/VR
R900507569 4WRDE25V350P-5X/6L24Z9/M
R900904214 4WRDE25V350P-5X/6L24Z9/V
R900907090 4WRDE25V350P-5X/6L24Z9/WG021MR
R900546206 4WRDE25V500P-5XH/6L24Z9/M
R900940887 4WRDE25W500P-5XH/6L24K9/WG152M
R901176735 4WRDE32E1-600P-5X/6L24K9/M
R900573826 4WRDE32E1-600P-5X/6L24Z9/M
R900538271 4WRDE32E3-400L-5X/6L24EZ9/WG021MR
R900538141 4WRDE32E3-600L-5X/6L24EZ9/WG021MR
R901117068 4WRDE32E400L-5X/6L24EK9/M
R901154999 4WRDE32E400L-5X/6L24K9/M-280
R901067986 4WRDE32E600L-5X/6L24K9/M
R901154343 4WRDE32E600L-5X/6L24K9/M-280
R901163606 4WRDE32E600L-5X/6L24K9/V
R900550616 4WRDE32E600P-5X/6L24Z9/V
R900562997 4WRDE32Q2-600P-5X/6L24Z9/M
R900578209 4WRDE32V1-600L-5X/6L24Z9/WG021M
R900551673 4WRDE32V1-600P-5X/6L24Z9/WG021M
R900553131 4WRDE32V600P-5X/6L24ETZ9/M
R900566416 4WRDE32V600P-5X/6L24ETZ9/MR-280
R900558160 4WRDE32V600P-5X/6L24Z9/MR
R900906048 4WRDE32V600P-5X/6L24Z9/WG021MR
R900552866 4WRDE32W1-600L-5X/6L24EZ9/M
R900904803 4WRDE32W1-600L-5X/6L24EZ9/MR-280
R900571274 4WRDE32W3-600L-5X/6L24EZ9/M
R901104990 4WRDE32W600L-5X/6L24K9/M
R900546213 4WRDE35E1-1000L-5X/6L24Z9/WG021MR
R900516766 4WRDE35E1000L-5X/6L24Z9/M-297
R900552194 4WRDE35E1000L-5X/6L24Z9/V
R900922325 4WRDE35E3-1000L-5X/6L24ETZ9/WG021M
R900537895 4WRDE35E3-1000L-5X/6L24Z9/WG021M
R900538980 4WRDE35E3-1000L-5X/6L24Z9/WG021MR
R900917771 4WRDE35R5-1000R-5X/6L24Z9/WG161MR-565
R900900508 4WRDE35V1000L-5X/6L24Z9/M-590
R900911477 4WRDE35V1000L-5X/6L24Z9/M-610
力士樂REXROTH三位四通高響應換向閥，先導操作，具有電氣位置反饋4WRD...XN
R901380290 4WRD10V1-100L-5X/6L24XNEK31/VR    
R901279032 4WRD25V1-350L-5X/6L24XNEK31/VR
力士樂REXROTH三位三通方向高響應閥，先導操作，電感位置傳感器3WRCBH
0811402509 3WRCBH25V190M-1X/M-127NG25Q190L&
0811402511 3WRCBH25V190M-1X/M
0811402512 3WRCBH25V65M-1X/M
0811402519 3WRCBH25V65M-1X/M-127
0811402522 3WRCBH25VF190M-1X/M
0811402514 3WRCBH25VF190M-1X/ZM
0811402510 3WRCBH25VF190M-1X/ZM-127
0811402513 3WRCBH25VF65M-1X/ZM
0811402611 3WRCBH32V380M-1X/M
0811402608 3WRCBH32V380M-1X/M-127
0811402702 3WRCBH32V380M-1X/M-128
R901403244 3WRCBH32V380M-1X/M-128=KM
R901403242 3WRCBH32V380M-1X/M=KM
0811402610 3WRCBH32VF380M-1X/M
0811402609 3WRCBH32VF380M-1X/M-127
0811402644 3WRCBH50V750M-1X/M
0811402643 3WRCBH50V750M-1X/M-127
0811402640 3WRCBH50VF300M-1X/ZM
0811402638 3WRCBH50VF300M-1X/ZM-127
0811402646 3WRCBH50VF750M-1X/M
0811402639 3WRCBH50VF750M-1X/ZM
0811402637 3WRCBH50VF750M-1X/ZM-127
0811402680 3WRCBH80VF1800M-1X/ZM-127
力士樂REXROTH三位三通高響應方向閥（插裝閥）與集成控制電子3WRCBEE
R901174489 3WRCBEE25VF190M-1X/G24K31/A1M
R901286710 3WRCBEE25VF190M-1X/G24K31/A1M-142
R901174491 3WRCBEE25VF190M-1X/G24K31/F1M
R901286705 3WRCBEE25VF190M-1X/G24K31/F1M-142
R901174492 3WRCBEE32VF380M-1X/G24K31/A1M
R901P74492 3WRCBEE32VF380M-1X/G24K31/A1M_PT
R901208054 3WRCBEE32VF380M-1X/G24K31/A1V
R901174494 3WRCBEE32VF380M-1X/G24K31/F1M
R901174495 3WRCBEE50V750M-1X/G24K31/A1M
R901174497 3WRCBEE50V750M-1X/G24K31/F1M
力士樂REXROTH二通高響應插裝閥2WRCE...-2X/P
R901042924 2WRCE32S185R-2X/PG24K31/A1M
R901231773 2WRCE32S185R-2X/PG24K31/A1M-129
R901251113 2WRCE32S185R-2X/PG24K31/A1WK15M
R901040987 2WRCE32S480R-2X/PG24K31/A1M
R901069194 2WRCE32S480R-2X/PG24K31/A1M-108
R901115518 2WRCE32S480R-2X/PG24K31/A1M-121
R901159525 2WRCE32S480R-2X/PG24K31/A1M-129
R901163523 2WRCE32S480R-2X/PG24K31/A1M-130
R901048952 2WRCE32S480R-2X/PG24K31/A1M-95
R901198942 2WRCE32S480R-2X/PG24K31/A1WK15M
R901068836 2WRCE32S480R-2X/PG24K31/C1M
R901314011 2WRCE32S480R-2X/PG24K31/C1V
R901196542 2WRCE32S480R-2X/PG24K31/C1WL15M
R901377142 2WRCE32S600P-2X/PG24K31/A1M-124
R901027188 2WRCE32S650L-2X/PG24K31/A1M-88
R901036037 2WRCE32S650L-2X/PG24K31/A1M-91
R901059018 2WRCE32S650L-2X/PG24K31/A1M-94
R901048950 2WRCE32S650L-2X/PG24K31/A1M-95
R901401801 2WRCE32S650L-2X/PG24K31/A1WK15M
R900743275 2WRCE32S650L-2X/PG24K31/A1WK15M-64
R901169814 2WRCE32S650L-2X/PG24K31/A1WL15M
R901174378 2WRCE32S650L-2X/PG24K31/C1M-74
R901402694 2WRCE32S650L-2X/PG24K31/C1WK15V
R901347152 2WRCE32S650L-2X/PG24K31/C1WL15M
R901044003 2WRCE40S1000L-2X/PG24K31/A1M-94
R901048948 2WRCE40S1000L-2X/PG24K31/A1M-95
R900729097 2WRCE40S1000L-2X/PG24K31/A1V-64
R901045227 2WRCE40S1000L-2X/PG24K31/A1WK15M
R901316592 2WRCE40S1000L-2X/PG24K31/C1M
R901402677 2WRCE40S1000L-2X/PG24K31/C1WK15V
R901347155 2WRCE40S1000L-2X/PG24K31/C1WL15M
R901115520 2WRCE40S700R-2X/PG24K31/A1M-121
R901206725 2WRCE40S700R-2X/PG24K31/A1M-124
R901154917 2WRCE40S700R-2X/PG24K31/A1M-129
R901033120 2WRCE40S700R-2X/PG24K31/A1M-64
R901048944 2WRCE40S700R-2X/PG24K31/A1M-95
R901231424 2WRCE40S700R-2X/PG24K31/A1WK15M
R901199043 2WRCE40S700R-2X/PG24K31/A1WK15M-107
R901096639 2WRCE40S700R-2X/PG24K31/A1WL15M
R901417204 2WRCE40S700R-2X/PG24K31/C1M
R901377143 2WRCE40S900P-2X/PG24K31/A1M-124
R900740694 2WRCE40S900P-2X/PG24K31/A1V
R901064878 2WRCE50S1100R-2X/PG24K31/A1M
R901383637 2WRCE50S1100R-2X/PG24K31/A1M-124
R901106766 2WRCE50S1100R-2X/PG24K31/A1M-94
R901065658 2WRCE50S1100R-2X/PG24K31/A1M-95
R900740695 2WRCE50S1100R-2X/PG24K31/A1V
R901190784 2WRCE50S1100R-2X/PG24K31/A1WK15M
R901230256 2WRCE50S1100R-2X/PG24K31/A1WK15M-107
R901320787 2WRCE50S1100R-2X/PG24K31/A1WL15M
R901090031 2WRCE50S1100R-2X/PG24K31/C1M
R901308536 2WRCE50S1100R-2X/PG24K31/C1M-124
R901108053 2WRCE50S1100R-2X/PG24K31/C1M-94
R901196540 2WRCE50S1100R-2X/PG24K31/C1WL15M
R901351913 2WRCE50S1450P-2X/PG24K31/A1M-124
R901192854 2WRCE50S1600L-2X/PG24K31/A1M-124
R901116643 2WRCE50S1600L-2X/PG24K31/A1M-94
R901262116 2WRCE50S1600L-2X/PG24K31/A1WK15M
R901406242 2WRCE50S1600L-2X/PG24K31/A1WK15M-107
R901419913 2WRCE50S1600L-2X/PG24K31/A1WK15M-124
R901230127 2WRCE50S1600L-2X/PG24K31/A1WL15M
R901086082 2WRCE50S1600L-2X/PG24K31/C1M
R901347156 2WRCE50S1600L-2X/PG24K31/C1WL15M
R901015735 2WRCE50S1960L-2X/PG24K31/C1M-71
力士樂REXROTH三通高速響應插裝閥3WRCE...-2X/P
R901061386 3WRCE40V000P-2X/PG24K31/A1M-110
R900740693 3WRCE40V460L-2X/PG24K31/A1V
R901046778 3WRCE50E620P-2X/PG24K31/A1M-77
R901390429 3WRCE50E620P-2X/PG24K31/A1WL15V
R901169342 3WRCE50V000P-2X/PG24K31/A1M-135
R901176088 3WRCE50V000X-2X/PG24K31/A1M-136
R901186238 3WRCE50V000X-2X/PG24K31/A1M-137
R901044002 3WRCE50V720L-2X/PG24K31/A1M-94
R901190789 3WRCE50V720L-2X/PG24K31/A1WK15M
R901025109 3WRCE50V720L-2X/PG24K31/A1WK15V
R901061996 3WRCE50V720L-2X/PG24K31/C1M
力士樂REXROTH二通高響應插裝閥2WRC(E)...-1X/S
R900563219 2WRC100D001-1X/E/M-8
R900529821 2WRC100K001-1X/E/M-2
R900559435 2WRC100K001-1X/P/M
R900901244 2WRC100K001-1X/P/M-25
R900956670 2WRC100K001-1X/S/M-12
R900571446 2WRC125D001-1X/P/M-3
R900927785 2WRC125K001-1X/E/M-2
R901420262 2WRC125K001-1X/E/V
R900553382 2WRC125K001-1X/P/M-3
R901214423 2WRC125K001-1X/S/M-54
R901214425 2WRC160K001-1X/S/M-54
R900935586 2WRC32D001-1X/S/M
R900578754 2WRC32K001-1X/E/M
R900944289 2WRC32K001-1X/E/M-2
R900537641 2WRC32K001-1X/P/M-5
R900519861 2WRC32K001-1X/S/M
R900928730 2WRC32S001-1X/S/M
R900529857 2WRC40D001-1X/S/M
R900578753 2WRC40K001-1X/E/M
R900941858 2WRC40K001-1X/E/M-2
R900577454 2WRC40K001-1X/S/M
R900554860 2WRC40K001-1X/S/M-7
R900546948 2WRC40K002-1X/S/M-7
R900905032 2WRC40S001-1X/S/M
R900929767 2WRC50D001-1X/S/M
R900957434 2WRC50K001-1X/E/M
R900918126 2WRC50K001-1X/E/M-2
R900529238 2WRC50K001-1X/S/M
R900728014 2WRC50K001-1X/S/M-65
R900560651 2WRC50K002-1X/S/M-7
R900249343 2WRC50S001-1X/S/M
R900935587 2WRC63D001-1X/S/M-38
R901043901 2WRC63D001-1X/S/M-92
R900552261 2WRC63K001-1X/E/M-2
R900552505 2WRC63K001-1X/S/M-16
R900563220 2WRC80D001-1X/E/M-8
R901043903 2WRC80D001-1X/S/M-93
R900547090 2WRC80K001-1X/E/M-2
R901232770 2WRC80S001-1X/S/M
R901100800 2WRCE100D001-1X/SG24/LM-116
R900962180 2WRCE100D001-1X/SG24/LM-37
R901182306 2WRCE100D001-1X/SG24/LM-53
R900786565 2WRCE100D001-1X/SG24/LM-59
R901083245 2WRCE100D001-1X/SG24/LM-83
R900965652 2WRCE100D001-1X/SG24/M-53
R900708807 2WRCE100D001-1X/SG24/M-56
R901037795 2WRCE100D001-1X/SG24/M-59
R900905771 2WRCE100K001-1X/EG15/M-30
R901189419 2WRCE100K001-1X/PG24/M-120
R900575791 2WRCE100K001-1X/SG15/LM-21
R900924584 2WRCE100K001-1X/SG15/M-34
R900571444 2WRCE100K001-1X/SG24/LM-12
R900926471 2WRCE100K001-1X/SG24/LM-36
R901083107 2WRCE100K001-1X/SG24/LM-53
R901264283 2WRCE100K001-1X/SG24/M
R900571445 2WRCE100K001-1X/SG24/M-12
R901242265 2WRCE100K001-1X/SG24/M-143
R901183371 2WRCE100K001-1X/SG24/M-53
R901161311 2WRCE100K001-1X/SG24/M-54
R901022804 2WRCE100K001-1X/SG24/M-86
R901325646 2WRCE100K001-1X=SG24/M
R900911150 2WRCE100K003-1X/SG24/M-12
R900936791 2WRCE100K003-1X/SG24/M-36
R900247001 2WRCE100K003-1X/SG24/M-58
R901083585 2WRCE100S002-1X/PG24/M-66
R901324978 2WRCE100S002-1X/PG24/V-124
R900917361 2WRCE100S002-1X/SG15/M-21
R900951373 2WRCE100S002-1X/SG15/M-46
R900768561 2WRCE100S002-1X/SG15/M-73
R901041740 2WRCE100S002-1X/SG24/M-37
R901312446 2WRCE100S002-1X/SG24/M-54
R900941140 2WRCE125D001-1X/EG15/M-30
R901161471 2WRCE125D001-1X/SG24/LM-53
R900940860 2WRCE125D001-1X/SG24/M-37
R900965653 2WRCE125D001-1X/SG24/M-53
R900556309 2WRCE125K001-1X/PG15/M-3
R900571442 2WRCE125K001-1X/SG15/LM-13
R901208203 2WRCE125K001-1X/SG24/LM-138
R900926472 2WRCE125K001-1X/SG24/LM-36
R901164032 2WRCE125K001-1X/SG24/LM-53
R901216117 2WRCE125K001-1X/SG24/LM-54
R901264336 2WRCE125K001-1X/SG24/M
R901242864 2WRCE125K001-1X/SG24/M-143
R901311774 2WRCE125K001-1X/SG24/M-144
R901017900 2WRCE125K001-1X/SG24/M-53
R901267684 2WRCE125K001-1X/SG24/M-54
R901051259 2WRCE125S001-1X/SG15/M-80
R900950688 2WRCE160D001-1X/SG24/M-37
R900918952 2WRCE32D001-1X/SG24/M
R900951199 2WRCE32D001-1X/SG24/M-35
R900940862 2WRCE32D001-1X/SG24/M-37
R900550191 2WRCE32K001-1X/PG24/M-5
R900547613 2WRCE32K001-1X/SG24/M-12
R900964805 2WRCE32K001-1X/SG24/M-36
R900940861 2WRCE32K001-1X/SG24/M-37
R900717938 2WRCE32K001-1X/SG24/M-39
R900537640 2WRCE32K001-1X/SG24/M-4
R900965087 2WRCE32K001-1X/SG24/M-53
R900706316 2WRCE32K001-1X/SG24/V-61
R900919778 2WRCE32S001-1X/SG24/M
R900929655 2WRCE32S001-1X/SG24/M-37
R900547801 2WRCE40D001-1X/SG24/M
R900708804 2WRCE40D001-1X/SG24/M-56
R900969010 2WRCE40D001-1X/SG24/V-37
R900976004 2WRCE40D001-1X/SG24/V-56
R900548491 2WRCE40K001-1X/SG15/M-15
R900557116 2WRCE40K001-1X/SG15/M-19
R900547614 2WRCE40K001-1X/SG24/M-12
R900962738 2WRCE40K001-1X/SG24/M-36
R900724037 2WRCE40K001-1X/SG24/M-37
R900965650 2WRCE40K001-1X/SG24/M-54
R900909345 2WRCE40K002-1X/SG15/M-19
R900979469 2WRCE40S001-1X/SG24/M
R900955087 2WRCE40S001-1X/SG24/M-12
R900979575 2WRCE40S001-1X/SG24/M-36
R900974337 2WRCE50D001-1X/SG24/LM-36
R900907275 2WRCE50D001-1X/SG24/M
R900928787 2WRCE50D001-1X/SG24/M-2
R900962547 2WRCE50D001-1X/SG24/M-36
R900708805 2WRCE50D001-1X/SG24/M-56
R900969099 2WRCE50D001-1X/SG24/V-53
R900718468 2WRCE50D001-1X/SG24/V-56
R900977697 2WRCE50D001-1X/SG24/V-57
R900917148 2WRCE50K001-1X/SG15/M-20
R900956686 2WRCE50K001-1X/SG15/M-43
R900962253 2WRCE50K001-1X/SG15/M-52
R900547615 2WRCE50K001-1X/SG24/M-12
R900902194 2WRCE50K001-1X/SG24/M-2
R900933405 2WRCE50K001-1X/SG24/M-36
R900579924 2WRCE50K002-1X/SG15/M-20
R900924763 2WRCE50S001-1X/SG24/M
R900724266 2WRCE50S001-1X/SG24/M-2
R900930697 2WRCE50S001-1X/SG24/M-37
R901264958 2WRCE63D001-1X/PG24/M-124
R901094888 2WRCE63D001-1X/PG24/M-66
R901096626 2WRCE63D001-1X/PG24/M-81
R900940863 2WRCE63D001-1X/SG24/M-37
R901337225 2WRCE63D001-1X/SG24/M-53
R901318762 2WRCE63D001-1X/SG24/M-54
R900708806 2WRCE63D001-1X/SG24/M-56
R901037801 2WRCE63D001-1X/SG24/M-59
R900974747 2WRCE63D001-1X/SG24/V-37
R900976006 2WRCE63D001-1X/SG24/V-56
R901325647 2WRCE63D001-1X=SG24/M
R901110657 2WRCE63K001-1X/PG24/M-120
R900733105 2WRCE63K001-1X/PG24/M-66
R901160262 2WRCE63K001-1X/PG24/M-81
R900554948 2WRCE63K001-1X/SG15/M-16
R900902949 2WRCE63K001-1X/SG15/M-27
R900911698 2WRCE63K001-1X/SG15/M-31
R900948285 2WRCE63K001-1X/SG15/M-44
R901035921 2WRCE63K001-1X/SG15/M-89
R901103670 2WRCE63K001-1X/SG24/M
R900933404 2WRCE63K001-1X/SG24/M-36
R900724035 2WRCE63K001-1X/SG24/M-37
R900724198 2WRCE63K001-1X/SG24/M-38
R900937106 2WRCE63K001-1X/SG24/M-39
R901362000 2WRCE63K001-1X/SG24/M-53
R900965651 2WRCE63K001-1X/SG24/M-54
R900968996 2WRCE63K001-1X/SG24/V-37
R900976005 2WRCE63K001-1X/SG24/V-56
R901325648 2WRCE63K001-1X=SG24/M
R901169979 2WRCE63S001-1X/PG24/M-120
R900765386 2WRCE63S001-1X/PG24/M-66
R900956264 2WRCE63S001-1X/SG15/M-48
R901187881 2WRCE63S001-1X/SG24/M
R901196178 2WRCE63S001-1X/SG24/M-124
R900959948 2WRCE63S001-1X/SG24/M-37
R901018185 2WRCE63S001-1X/SG24/M-53
R901161308 2WRCE63S001-1X/SG24/M-54
R900782599 2WRCE63S001-1X/SG24/M-59
R900781431 2WRCE63S001-1X/SG24/M-75
R900704239 2WRCE63S001-1X/SG24/V-37
R901264956 2WRCE80D001-1X/PG24/M-124
R901265198 2WRCE80D001-1X/SG24/LM-36
R901264284 2WRCE80D001-1X/SG24/M
R900940703 2WRCE80D001-1X/SG24/M-37
R901297760 2WRCE80D001-1X/SG24/M-53
R900616866 2WRCE80D001-1X/SG24/M-59
R901153660 2WRCE80D002-1X/SG15/M-55
R901086135 2WRCE80K001-1X/PG24/M-112
R901106811 2WRCE80K001-1X/PG24/M-119
R901138311 2WRCE80K001-1X/PG24/M-120
R901010545 2WRCE80K001-1X/PG24/M-66
R900555437 2WRCE80K001-1X/SG15/M-18
R900578398 2WRCE80K001-1X/SG15/M-23
R900924582 2WRCE80K001-1X/SG15/M-33
R900948286 2WRCE80K001-1X/SG15/M-45
R900956358 2WRCE80K001-1X/SG15/M-50
R900970412 2WRCE80K001-1X/SG15/M-55
R901035922 2WRCE80K001-1X/SG15/M-90
R900571443 2WRCE80K001-1X/SG24/LM-12
R900926470 2WRCE80K001-1X/SG24/LM-36
R901114013 2WRCE80K001-1X/SG24/M
R900770095 2WRCE80K001-1X/SG24/M-37
R901017897 2WRCE80K001-1X/SG24/M-53
R901183368 2WRCE80K001-1X/SG24/M-54
R900785621 2WRCE80K001-1X/SG24/M-56
R900744485 2WRCE80K001-1X/SG24/M-59
R901228588 2WRCE80S001-1X/PG24/M-120
R901002333 2WRCE80S001-1X/PG24/M-66
R901324979 2WRCE80S001-1X/PG24/V-124
R900939777 2WRCE80S001-1X/SG24/M-36
R900937009 2WRCE80S001-1X/SG24/M-37
R900955436 2WRCE80S001-1X/SG24/M-49
R901206285 2WRCE80S001-1X/SG24/M-53
R901187880 2WRCE80S001-1X/SG24/M-54
R901020999 2WRCE80S001-1X/SG24/M-59
R901161408 2WRCE160D001-1X/SG24/LM-53
R901083109 2WRCE160K001-1X/SG24/LM-53
R901216114 2WRCE160K001-1X/SG24/LM-54
力士樂REXROTH二通高響應插裝閥2WRCE...-2X/S
R900772761 2WRCE32S480R-2X/SG24K31/A1M-68
R901163995 2WRCE32S480R-2X/SG24K31/A1WL15M
R901362145 2WRCE32S480R-2X/SG24K31/C1M
R901045973 2WRCE32S600P-2X/SG24K31/A1M
R901341653 2WRCE32S600P-2X/SG24K31/A1WL15M
R901042087 2WRCE32S600P-2X/SG24K31/A5M
R901225526 2WRCE32S650L-2X/SG24K31/A1WK15M
R901086851 2WRCE32S650L-2X/SG24K31/A1WL15M
R901216035 2WRCE32S650L-2X/SG24K31/A5WK15M
R901409303 2WRCE32S650L-2X/SG24K31/C1WK15V
R901020077 2WRCE32S780L-2X/SG24K31/A1M-64
R901020046 2WRCE40S000L-2X/SG15K31/A1M-71
R901047834 2WRCE40S1000L-2X/SG15K31/A1M
R901104542 2WRCE40S1000L-2X/SG15K31/A1M-64
R901160792 2WRCE40S1000L-2X/SG24K31/A1V
R900723331 2WRCE40S1000L-2X/SG24K31/A1V-64
R901076859 2WRCE40S1000L-2X/SG24K31/A1WK15M
R901239471 2WRCE40S1000L-2X/SG24K31/A5M
R901216036 2WRCE40S1000L-2X/SG24K31/A5WK15M
R901182305 2WRCE40S700R-2X/SG24K31/A1WK15M-76
R901190530 2WRCE40S700R-2X/SG24K31/A1WL15M
R901172581 2WRCE40S700R-2X/SG24K31/A5M
R901288850 2WRCE40S700R-2X/SG24K31/C1M
R901356698 2WRCE40S700R-2X/SG24K31/C1M-153
R901041292 2WRCE40S900P-2X/SG24K31/A1V
力士樂REXROTH三通高響應插裝閥3WRC(E)...-1X/S
R900927091 3WRCE100L006-1X/SG15/LM-37
R901007469 3WRCE100L006-1X/SG24/M-54
R900561847 3WRCE100V001-1X/SG15/M-6
R900577829 3WRCE32L001-1X/SG24/M-1
R900901789 3WRCE32L001-1X/SG24/M-24
R900972198 3WRCE32L001-1X/SG24/M-9
R900566057 3WRCE32L001-1X=SG24/M-1=FP
R900909344 3WRCE32L002-1X/SG15/M
R900924215 3WRCE32L002-1X/SG15/M-35
R900551244 3WRCE32L002-1X/SG24/M
R900553479 3WRCE32L002-1X/SG24/M-1
R900577793 3WRCE32L002-1X/SG24/M-24
R900944308 3WRCE32L002-1X/SG24/M-37
R900901228 3WRCE32L003-1X/SG24/M-26
R900901229 3WRCE32L004-1X/SG24/M-26
R900902018 3WRCE32L005-1X/SG15/M-28
R900944749 3WRCE32L006-1X/SG15/M
R900955195 3WRCE32L006-1X/SG15/M-35
R900728013 3WRCE32L006-1X/SG15/M-65
R900944747 3WRCE32L006-1X/SG24/M-37
R900706315 3WRCE32L006-1X/SG24/V-61
R900951938 3WRCE40L002-1X/SG24/M-37
R900920637 3WRCE40V001-1X/SG24/M-28
R900950901 3WRCE40V001-1X/SG24/M-37
R900723611 3WRCE50E001-1X/SG24/M-37
R900905974 3WRCE50L002-1X/SG15/M-19
R900956687 3WRCE50L006-1X/SG15/M-43
R900952956 3WRCE50L006-1X/SG24/M-37
R900956903 3WRCE50L006-1X/SG24/M-51
R900700768 3WRCE50L006-1X/SG24/M-60
R900920636 3WRCE50V001-1X/SG24/M-28
R900932892 3WRCE50V001-1X/SG24/M-37
R900723608 3WRCE63E001-1X/SG24/M-37
R900918031 3WRCE63L002-1X/SG15/LM-32
R900578395 3WRCE63L002-1X/SG15/M-22
R900902098 3WRCE63L002-1X/SG15/M-29
R900911697 3WRCE63L002-1X/SG15/M-32
R900952955 3WRCE63L006-1X/SG24/M-37
R900956904 3WRCE63L006-1X/SG24/M-51
R900758861 3WRCE80E001-1X/SG24/M-37
R901327004 3WRCE80E001-1X/SG24/V
R900924583 3WRCE80L002-1X/SG15/LM-33
R900974972 3WRCE80L002-1X/SG15/LM-55
R901035923 3WRCE80L002-1X/SG15/LM-90
R900927422 3WRCE80L006-1X/SG15/LM-37
R900947517 3WRCE80L006-1X/SG24/M-37
力士樂REXROTH三通高響應插裝閥3WRCE...-2X/S
R900974179 3WRCE32V180L-2X/SG24K31/A5M-63=FP
R900742401 3WRCE32V180L-2X/SG24K31/A5M-67
R901015682 3WRCE32V180L-2X/SG24K31/A5M-70
R901015875 3WRCE32V180L-2X/SG24K31/A5M-85
R901062727 3WRCE32V290L-2X/SG24K31/C1M
R901006896 3WRCE32V300L-2X/SG24K31/A1M-71
R901223177 3WRCE40E440L-2X/SG24K31/A1M
R901021128 3WRCE40V000P-2X/SG24K31/C5M-109
R901166969 3WRCE40V000P-2X/SG24K31/C5M-132
R901138400 3WRCE40V000R-2X/SG24K31/A1M-126
R901071903 3WRCE40V000R-2X/SG24K31/A1WK15M-149
R901216798 3WRCE40V000X-2X/SG24K31/C5M-140
R901049500 3WRCE40V460L-2X/SG24K31/A1WK15M
R901340701 3WRCE40V460L-2X/SG24K31/C1M
R900972593 3WRCE40V460L-2X/SG24K31/C5M-78
R901170439 3WRCE50E000P-2X/SG24K31/A1M-71
R901238667 3WRCE50E620P-2X/SG24K31/A1M
R901061077 3WRCE50V000L-2X/SG15K31/A1M-72
R901101462 3WRCE50V000P-2X/SG24K31/C5M-118
R901166970 3WRCE50V000P-2X/SG24K31/C5M-133
R901402953 3WRCE50V000X-2X/SG24K31/A1M-140
R901212336 3WRCE50V000X-2X/SG24K31/C5M-140
R901079829 3WRCE50V720L-2X/SG15K31/A3M-43
R901092615 3WRCE50V720L-2X/SG24K31/A1M-114
R901132212 3WRCE50V720L-2X/SG24K31/A1M-124
R901016681 3WRCE50V720L-2X/SG24K31/A1M-2
R900740697 3WRCE50V720L-2X/SG24K31/A1V
R901396234 3WRCE50V720L-2X/SG24K31/A1WK15M
R901036805 3WRCE50V720L-2X/SG24K31/A1WL15M
R901116591 3WRCE50V720L-2X/SG24K31/A5M
R901127021 3WRCE50V720L-2X/SG24K31/A5M-124
R901441665 3WRCE50V720L-2X/SG24K31/C1/M
R901166968 3WRCE50V720L-2X/SG24K31/C5M-131
R901438334 3WRCE50V730P-2X/SG24K31/C1M-71
力士樂REXROTH定向伺服閥
力士樂REXROTH四通伺服方向閥4WS.2E...
R900243949 4WS2EM6-2X/10B11ET210K17EV
R900732437 4WS2EM6-2X/10B11ET315K17BV
R900971966 4WS2EM6-2X/10B11ET315K17DV
R900951450 4WS2EM6-2X/10B11ET315K17EV
R900968674 4WS2EM6-2X/10B12ET210K17EV
R900725478 4WS2EM6-2X/10B12ET315K17DV
R900968833 4WS2EM6-2X/10B12ET315K17EV
R901304925 4WS2EM6-2X/15B11ET210K17DV
R901030853 4WS2EM6-2X/15B11ET210K17EV
R900951451 4WS2EM6-2X/15B11ET315K17EV
R900969730 4WS2EM6-2X/15B12ET210K17EV
R900970191 4WS2EM6-2X/15B12ET315K17EV
R900763984 4WS2EM6-2X/20B11ET210K17EV
R901270775 4WS2EM6-2X/20B11ET315K17BV
R901026397 4WS2EM6-2X/20B11ET315K17CV
R901013793 4WS2EM6-2X/20B11ET315K17DV
R900951452 4WS2EM6-2X/20B11ET315K17EV
R901043233 4WS2EM6-2X/20B12ET210K17DV
R900617993 4WS2EM6-2X/20B12ET210K17EV
R901045632 4WS2EM6-2X/20B12ET315K17DV
R900970190 4WS2EM6-2X/20B12ET315K17EV
R901423633 4WS2EM6-2X/25B11ET210K17EV
R901428731 4WS2EM6-2X/25B11ET315K17CV
R901388023 4WS2EM6-2X/25B11ET315K17DV
R901091476 4WS2EM6-2X/25B11ET315K17EV
R901168900 4WS2EM6-2X/2B11ET210K17DV
R900773305 4WS2EM6-2X/2B11ET210K17EV
R901249046 4WS2EM6-2X/2B11ET315K17BV
R900736699 4WS2EM6-2X/2B11ET315K17DV
R900950929 4WS2EM6-2X/2B11ET315K17EV
R900248456 4WS2EM6-2X/2B12ET210K17EV
R900971159 4WS2EM6-2X/2B12ET315K17EV
R901119096 4WS2EM6-2X/5B11ET210K17DV
R900974304 4WS2EM6-2X/5B11ET210K17EV
R901276862 4WS2EM6-2X/5B11ET315K17AV
R901249053 4WS2EM6-2X/5B11ET315K17BV
R901205887 4WS2EM6-2X/5B11ET315K17CV
R901000155 4WS2EM6-2X/5B11ET315K17DV
R900951449 4WS2EM6-2X/5B11ET315K17EV
R900617678 4WS2EM6-2X/5B12ET210K17EV
R900970346 4WS2EM6-2X/5B12ET315K17EV
R901350804 4WS2EM6-2X=20B12ET315K17EV
R901283228 4WS2EM6-2X=2B11ET210K17EV
R901023680 4WSE2EM6-2X/10B8ET210K17EV
R900248931 4WSE2EM6-2X/10B8ET315K17EV
R900967982 4WSE2EM6-2X/10B9ET210K17EV
R900749130 4WSE2EM6-2X/10B9ET315K17DV
R900952166 4WSE2EM6-2X/10B9ET315K17EV
R901419770 4WSE2EM6-2X/15B8ET210K17DV
R901183361 4WSE2EM6-2X/15B8ET210K17EV
R901083564 4WSE2EM6-2X/15B8ET315K17EV
R901304926 4WSE2EM6-2X/15B9ET210K17DV
R901136727 4WSE2EM6-2X/15B9ET210K17EV
R900775489 4WSE2EM6-2X/15B9ET315K17DV
R900952167 4WSE2EM6-2X/15B9ET315K17EV
R901003913 4WSE2EM6-2X/20B8ET210K17EV
R900718707 4WSE2EM6-2X/20B8ET315K17EV
R900968835 4WSE2EM6-2X/20B9ET210K17EV
R901020344 4WSE2EM6-2X/20B9ET315K17DV
R900952168 4WSE2EM6-2X/20B9ET315K17EV
R901035226 4WSE2EM6-2X/20B9ET315K17EV-121
R901204766 4WSE2EM6-2X/25B9ET210K17DV
R901188952 4WSE2EM6-2X/25B9ET315K17DV
R901176734 4WSE2EM6-2X/25B9ET315K17EV
R900968193 4WSE2EM6-2X/2B8ET210K17EV
R900977929 4WSE2EM6-2X/2B8ET315K17EV
R901201988 4WSE2EM6-2X/2B9ET210K17DV
R900967114 4WSE2EM6-2X/2B9ET210K17EV
R901377881 4WSE2EM6-2X/2B9ET315K17DV
R900952164 4WSE2EM6-2X/2B9ET315K17EV
R901103115 4WSE2EM6-2X/5B8ET210K17EV
R900972861 4WSE2EM6-2X/5B8ET315K17EV
R900970565 4WSE2EM6-2X/5B9ET210K17EV
R900969823 4WSE2EM6-2X/5B9ET315K17DV
R900952165 4WSE2EM6-2X/5B9ET315K17EV
力士樂REXROTH具有機械位置反饋的定向伺服閥4WS2EM 6…XN
R901072928 4WS2EM6-2X/10B11XNET315K17EV
R901259413 4WS2EM6-2X/20B11XNET315K17EV
R901259418 4WS2EM6-2X/2B11XNET315K17EV
力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 6…XN-100
R901038987 4WS2EM6-2X/10B11XNET315K17EV-100
R901007772 4WS2EM6-2X/20B11XNET315K17EV-100
R901079959 4WS2EM6-2X/2B11XNET315K17EV-100
R901057853 4WS2EM6-2X/5B11XNET315K17EV-100
R901444388 4WS2EM6-2X=20B11XNET315K17EV-100
力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 6…XN-102
R901068705 4WS2EM6-2X/10B11XNET315K17EV-102
R901185876 4WS2EM6-2X/15B11XNET315K17EV-102
R901007768 4WS2EM6-2X/20B11XNET315K17EV-102
R901009654 4WS2EM6-2X/5B11XNET315K17EV-102
R901410942 4WS2EM6-2X=20B11XNET315K17EV-102
R901402478 4WS2EM6-2X=5B11XNET315K17EV-102
力士樂REXROTH四通伺服方向閥4WS.2E...
R901440954 4WS2ED10-5X/20B11T210K31EV-117
R900935430 4WS2ED10-5X/30B11-315K31EV-3
R901062614 4WS2EM10-5X/10B0ET210K31CV-112
R901163649 4WS2EM10-5X/10B11-210K31AV
R901226177 4WS2EM10-5X/10B11-315K31DV
R901007871 4WS2EM10-5X/10B11ET210K31AV
R901316230 4WS2EM10-5X/10B11ET210K31EV
R901440356 4WS2EM10-5X/10B11ET210K8AV
R901324620 4WS2EM10-5X/10B11ET315K31AV
R900731500 4WS2EM10-5X/10B11ET315K31BV
R900731499 4WS2EM10-5X/10B11ET315K31DV
R900956128 4WS2EM10-5X/10B11ET315K31EV
R901146496 4WS2EM10-5X/10B11ET315K8AV
液壓系統結構
液壓系統由信號控制和液壓動力兩部分組成，信號控制部分用于驅動液壓動力部分中的控制閥動作。
液壓動力部分采用回路圖方式表示，以表明不同功能元件之間的相互關系。液壓源含有液壓泵、電動機和液壓輔助元件；液壓控制部分含有各種控制閥，其用于控制工作油液的流量、壓力和方向；執行部分含有液壓缸或液壓馬達，其可按實際要求來選擇。

組合機床動力滑臺液壓系統
動力滑臺是組合機床的一種通用部件，在滑臺上可以配置各種工藝用途的切削頭。機床液壓動力滑臺可以實現多種不同的工作循環，其中一種比較典型的工作循環是：快進→ 一工進→二工進→死擋鐵停留→快退→停止。 使液壓缸差動聯接以實現快速運動； 系統中采用限壓式變量葉片泵供油； 用行程閥、液控順序閥實現快進與工進的轉換； 電液換向閥 使液壓缸差動聯接和變量泵以實現快速運動；
（1）快進 按下啟動按鈕，三位五通電液動換向閥5的先導電磁換向閥1YA得電，使之閥芯右移，左位進入工作狀態。 用二位二通電磁換向閥實現一工進和二工進之間的速度換接。
（2）一次工作在快進行程結束，滑臺上的擋鐵壓下行程閥。 用行程閥、液控順序閥實現快進與工進的轉換； 用二位二通電磁換向閥實現一工進和二工進之間的速度換接。
（3）第二次工作進給 為保證進給的尺寸精度，采用了死擋鐵停留來限位。
（4）死擋鐵停留 當動力滑臺第二次工作進給終了碰上死擋鐵后，液壓缸停止不動，系統的壓力進一步升高，達到壓力繼電器15的調定值時，經過時間繼電器的延時，再發出電信號，使滑臺退回。在時間繼電器延時動作前，滑臺停留在死擋塊限定的位置上。
（5）快退 時間繼電器發出電信號后，電液換向閥右位工作。 這時系統的壓力較低，變量泵2輸出流量大，動力滑臺快速退回。由于活塞桿的面積大約為活塞的一半，所以動力滑臺快進、快退的速度大致相等。
（6）原位停止 當動力滑臺退回到原始位置時，擋塊壓下行程開關，電液換向閥處于中位，動力滑臺停止運動，變量泵卸荷。

液壓系統及液壓元件介紹
一、液壓系統的組成：動力部分、控制部分、執行部分、輔助裝置    液壓泵；用以將機械能轉化為液體的壓力能，有時也將蓄能器作為緊急或輔助動力源
各類壓力、流量、方向等控制閥；用以實現對執行元件的運動速度、方向、作用力等的控制、也用于實現過載保護、程序控制等
液壓缸、液壓馬達等；用以將液體壓力轉化為機械能
管路、蓄能器、過濾器、油箱、冷卻器、加熱器、壓力表、流量計等    
二、液壓傳動的優點 質量輕體積小 容易實現無級調速 易于實現過載保護 液壓元件能夠自動潤滑 簡化機構 便于實現自動化 
三、液壓傳動的缺點 液壓元件制造精度要求高 實現定比傳動困難 油液受溫度的影響 不適宜遠距離輸送動力 油液中混入空氣易影響工作性能 油液容易污染 發生故障不易檢查和排除。 四、液壓部件及圖形符號 


液壓是機械行業、機電行業的一個名詞。液壓可以用動力傳動方式， 成為液壓傳動。液壓也可用作控制方式，稱為液壓控制。
液壓傳動是以液體作為工作介質，利用液體的壓力能來傳遞動力。
液壓控制是以有壓力液體作為控制信號傳遞方式的控制。用液壓技術構成的控制系統稱為液壓控制系統。液壓挖制通常包括液壓開環挖制和液壓閉環控制。液壓閉環挖制也就是液壓伺服控制，它構成液壓伺服系統，通常包括電氣液壓伺服系統(電液伺服系統)和機械液壓同服系統(機液伺服系統，或機液伺服機構)等。
一個完整的液壓系統由五個部分組成，即能源裝置、執行裝置、控制調節裝置、輔助裝置、液體介質。液壓由于其傳遞動力大，易于傳遞及配置等特點，在工業、民用行業應用廣泛。液壓系統的執行元件(液壓缸和液壓馬達)的作用是將液體的壓力能轉換為機械能，從而獲
得需要的直線往復運動或回轉運動。液壓系統的能源裝置(液壓泵)的作用是將原動機的機械能轉換成液體的壓力能。
液壓系統組成
一個完整的液壓系統由五個部分組成，即動力元件、執行元件、控制元件、輔助元件和工作介質。
動力元件的作用是將原動機的機械能轉換成液體的壓力能。動力元件指液壓系統中的液壓泵，它向整個液壓系統提供動力。液壓泵的結構形式一般有齒輪泵、葉片泵、柱塞泵、螺桿泵。
執行元件的作用是將液體的壓力能轉換為機械能，驅動負載作直線往復運動或回轉運動。執行元件有液壓缸和液壓馬達。
挖制元件(即各種液壓閥)在液壓系統中控制和調節液體的壓力、流量和方向。