14th –15th January 2004, Bosch Rexroth in China4 WRD(E) 5X NG 10, 16, 25, 32, 35Q max 3000 l/min 4/3RV NG 10, 16, 25, 32Q max 3500 l/min4 WRLE(H) NG 6/10Q max 180 l/min 4 WRA(E) 2X NG 6 / 10Q max 75 l/min 4 WRE(E) 2X NG6 / 10Q max 180 l/min 4 WRZ(E) 7X NG 10, 16, 25, 32, 52Q max 2800 l/min 4 WRK(E) 2X NG 10, 16, 25, 32, 35Q max 3000 l/min Proportional ValvesHigh Response Control Valves 4 WS(E)2EM 5X NG 10Q N 90 l/min (bei Δpv 70 bar)4 WSE3EE NG 16, 25, 32Q N 850 l/min (bei Δpv 70 bar)4 WS(E)2EM 2X NG 6Q N 20 l/min (bei Δpv 70 bar)Servo Valves 4 WRPE NG 10, 16, 25,32Q max 3500 l/min 4/3HRV1 NG 6Q max 24 l/min 4/3WV1 NG 6 /10Q max 120 l/min 4/3WV1 OBE NG 6/ 10Q max 120 l/min 4/3WV1 OBE NG 6 / 10Q max 100l/min HIHIHIHI HIHI HI HI14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China开环比例液压系统)传统的结构形式: 4WRA4精度较低, 响应较慢4滞环：≤5% ；灵敏度: ≤0.5% ;反向域: ≤ 1 %4相频特性(-900, 50%输入信号):10 ~ 25Hz14th –15th January 2004, Bosch Rexroth in China4WRE …注意：不同系列的比例伺服阀的放大器（尤其外置放大器），其电气参数不同！即外置放大器一般不可更换！不同系列的比例伺服阀的安装尺寸有的相同，有的不同，需进行一下核对！14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China开环比例液压系统先导式比例方向阀:4WRZ电比例控制多路阀的仿制品 精度较低, 响应较慢滞环：≤6% ；Proportional Directional Valve 4WRZE-7XFeatures 4WRZE-7X...Piloted Proportional Valve with and without O n B oard E lectronicsPilot pressure controlled by a pressure control valve D3High reliability and simple operationAt loss of electrical power or cable brake, main spool is positioned in stroke center positionmax. allowable contamination level of the fluid is class 9 to NAS 1638, or 18/15 to ISO 440614th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China开环比例液压系统DBETE…–精度一般, 响应较慢–Q max =2 l/min.–滞环：≤±1.5 %–重复精度: ≤±2 %–线性度:最高压力的±3.5 %–开关时间:30~150ms14th –15th January 2004, Bosch Rexroth in China直控式，带反馈；DBETRE …(PV1-DBV …)DBETRE…–精度较高, 响应很快–Q max =1 l/min.–滞环：≤0.2 %–温漂: ≤1 % ，当ΔT=400C–开关时间:10ms （10%）~30ms（100%）14th –15th January 2004, Bosch Rexroth in China先导式，不带反馈；（Z）DBE（E） (6)（Z ）DBE （E ）…–精度一般, 响应较快–Q max =30 l/min.–滞环：≤ 1.5 %–重复精度：≤ 2 %–线性度：±3.5 %–开关时间:50ms（10%）~80ms （90%）14th –15th January 2004, Bosch Rexroth in China先导式，不带反馈；DB …6？(PV2-DBV …)DB…–精度一般, 响应较慢–Q max =40 l/min.–滞环：≤ 4 %–制造公差: ≤10 %–开关时间:200ms （100%+）~250ms （100%—）HI 14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China先导式，不带反馈；DBEM(E)…16；25DBEM(E)…–精度一般, 响应较慢–Q max =600 l/min.–滞环：≤±1.5 %–线性度：≤±3.5 %–重复精度：≤±2 %–制造公差: ≤±2.5 %–开关时间:150ms （100%+）~150ms （100%—）先导式，带反馈；DB (10)DB…DBV –精度较高, 响应较快–Q max=。

l/min.–滞环：≤ 1 %–线性度：≤±3.5 %–温漂: ≤1 % ，当ΔT=400C–制造公差: ≤±5 %–开关时间:70ms（100%+~15 ms（10%）14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China直控式，不带反馈；3DREP（E）…–精度一般, 响应一般；–Q max =15 l/min. p MAX =100 barB–滞环：≤ 5 %–重复精度≤1 %–灵敏度：≤0.5 %–常用作先导阀14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China先导式，不带反馈；(Z)DRE(E)…6；10; 3W DRV …and 2w DRV …6;10DRE(E)-6…–精度一般, 响应较慢–Q max =30 l/min.; p MAX =210 bar–滞环：≤±2 %–线性度：≤±3.5 %–重复精度：≤±2 %–制造公差: ≤±1.5 %–开关时间:200ms （10%!~90%）~200ms （90%~10%）先导式，不带反馈；(Z)DRE(E)…6；10;3W DRV…and 2w DRV…6;103W DRV (6)–精度一般, 响应较慢–Q max=40 l/min.; p MAX=310 bar–滞环：≤±2 %–线性度：≤±3.5 %–重复精度：≤±2 %–制造公差: ≤10 %–开关时间:200ms（10%!~90%）~200ms（90%~10%）14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China精度一般, 响应较慢滞环：≤±2.5 %重复精度: ≤±2 %线性度: ±2 %开关时间:120ms （10%~90%）~ 130ms（90%~10%）常闭式；启动、刹车缓冲溢流口先导式，不带反馈；DRE(M)(E)…10-25;3DRE10/16…溢流阀4比例溢流阀3恒流器5对中弹簧16，17 缓冲节流口18泄油口15无压回油14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China HI14th–15th January 2004, Bosch Rexroth in ChinaHI HI闭环比例液压系统3FERE…–精度很高, 响应很快–滞环：≤0.1 % ；灵敏度: ≤0. 1% ;–频响：25~70 Hz14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China2FRE6…精度较高, 响应较慢滞环：≤±1 %重复精度: ≤1 %温漂: ≤±2 % / 0C制造公差: ≤±5 %开关时间:~ 100ms常断式；14th –15th January 2004, Bosch Rexroth in China2FRE10;16…精度较高, 响应较慢滞环：≤±1 %重复精度: ≤1 %温漂: ≤±2 % / 0C制造公差: ≤±5 %开关时间:~ 100ms常断式；14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China4WRP(E)-6;10…2X …–精度很高, 响应很快,–Without sleeve–滞环: ≤0.3 % ;–Manufacure tolerance for Q max ;≤±3% ;–Termal drift : Zero point displacement ≤1% , at ΔT=400C –响应Time : ≤20 ms (40ms for NG10)伺服级的参数14th –15th January 2004, Bosch Rexroth in China4WRP(E)H-6;10…2X …–精度很高, 响应很快; With Sleeve –滞环: ≤0.2 % ;–Zero-Adjustment: ±1 %–Manufacure tolerance for Q max :≤10% ;–Termal drift : Zero point displacement ≤1% , at ΔT=400C –响应Time : ≤10 ms (25ms for NG10)–相频(For NG6)：±100 %：70 Hz±5 %：120 Hz伺服级的参数14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China4WRL(E)-6…3X …(RV2-PL2…)–精度很高, 响应很快,–滞环: ≤0.1 % ; Scarcely measurable !–Zero-Adjustment: ±1 %–Manufacure tolerance for Q max : ≤10%–Termal drift: Zero point displacement <1% , at ΔT=400C–响应Time : 25, 26, 32, 90 ms( X=100bar, 100% )–Switch off behaviour: Pilot valve in fail safe, Main stage to spring centred off set position:1~6% PB/TA!–相频(NG10)：±100 %：18 Hz±5 %：40 Hz伺服级的参数14th–15th January 2004, Bosch Rexroth in China4WRV(E)H-10,16,25…2X…(HRV2…)–精度很高, 响应很快,–滞环: ≤0.1 % ; Scarcely measurable !–Zero-Adjustment: ±1 %–Manufacure tolerance for Q max: ≤10%–Termal drift: Zero point displacement<1%,atΔT=400C–响应Time: 12, 15, 23 ms(X=100bar,100%)–Switch off behaviour: Pilot valve undefinde, Main stage PA/TB or PB/TA!–相频(NG10)：±100 %：40 Hz±5 %：80 Hz±1 %：100 Hz伺服级的参数HI 14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in ChinaValves with torque motor4WRGE…10~25/1X…精度很高, 响应很快滞环：≤0.05 %；灵敏度: ≤0.02%Zero-point: ≤2 %Zero-ponit drift with change in:–Temp: ≤0.2%/10k–Pressure ≤0.02%/100 bar–Return flow pressure 0 to 10% fromp ≤0.01%响应(相频NG10)：±100 %：26 Hz±25 %：60 Hz±5 %：120 Hz14th –15th January 2004, Bosch Rexroth in ChinaValves with torque motor4WRDE…10~32/5X…4精度很高, 响应很快4滞环：≤0.2 %；4灵敏度: ≤0. 1%4Zero-point: ≤2 %4Zero-ponit drift withchange in:4Temp: ≤0.7%/20k4Pressure ≤0.5%/100 bar4Return flow pressure 0 to 10%from p ≤0.2%4响应(相频NG10)：±100 %：36 Hz ±25 %：100 Hz14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in China3-way servo solenoid valve cartridge type–精度很高, 响应很快,–滞环: ≤0.1 % ; Scarcely measurable !–Zero-Adjustment: ±5 %–Manufacure tolerance for Q max : ≤10%–Termal drift: Zero point displacement <1% , at ΔT=400C–响应Time : 33, 28, 60 ms(A-X, p x =100bar, p A =50bar,0~100% )–相频(NG10)：±100 %：30 Hz±5 %：45 Hz伺服级的参数14th–15th January 2004, Bosch Rexroth in China14th–15th January 2004, Bosch Rexroth in ChinaServoventil 4WS2EM6-2X/...Merkmale14th –15th January 2004, Bosch Rexroth in ChinaTechnischer Vergleich 2-stufige Servoventile0%50%100%150%NennvolumenstromHystereseAnsprechempfindlichkeitUmkehrspanneTemperaturdrift 90?Phasendrehung bei 5%Soll90?Phasendrehungbei10%Soll 90?Phasendrehungbei 100%Geh 鋟sematerial-GGG40 / ALU-Leg.Sicherheit bei Montageu. Betrieb D 黶e-Prallplatte4WS2EM10-5X MOOG D760 Std.MOOG D760-HR100% =BRI -Ventil>100% ist besser<100% ist schlechter14th–15th January 2004, Bosch Rexroth in China14th –15th January 2004, Bosch Rexroth in ChinaServo Valves ;3-stage相关参数（带机械和电气反馈）4WS(E)3EE16…精度很高, 响应很快, 机械反馈+E-Feedback 4滞环：≤0.2 %；4灵敏度: ≤0. 1%4Reversal span: ≤0. 1%4Zero-point: ≤2 %4Zero drift with change in:4Temp(Fliud): ≤0.5% / 20k4Temp(Ambient): ≤1.0% / 20k4Pressure ≤0.5% / 100 bar4Return flow pressure 0 to 10% of p p ≤0.2 %4频响(相频NG6)：±100 %：60 Hz ±25 %：120 Hz。