力士乐内部培训资料5

Umkehrspanne
90°Phasendrehung bei 100%
90°Phasendrehung bei10%Soll
Temperaturdrift
90°Phasendrehung bei 5%Soll
SERVO VALVES ;3-STAGE
相关参数（带机械和电气反馈）
4WS(E)3EE16…
displacement < 1% , at T=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
Return flow pressure 0 to 10%
from p 0.2% 响应(相频NG10)：
100 %： 36 Hz 25 %： 100 Hz 5 %： 150 Hz
3-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 Qmax: 10% – Termal drift: Zero point displacement <
1% , at T=400C – 响应 Time : 33, 28, 60 ms
(A-X, px=100bar, pA=50bar,0~100% ) – 相频(NG10)： 100 %：30 Hz
5 %： 45 Hz
伺服级的参数
Servoventil 4WS2EM6-2X/...Merkmale
5 %： 40 Hz
伺服级的参数
4WRV(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 Qmax: 10% – Termal drift: Zero point displacement
4WRDE…10~32/5X… 精度很高, 响应很快 滞环： 0.2 % ； 灵敏度: 0. 1% Zero-point: 2 % Zero-ponit drift with
change in: Temp: 0.7%/20k Pressure 0.5%/100 bar
Temp(Ambient): 1.0% / 20k
Байду номын сангаасressure 0.5% / 100 bar
Return flow pressure 0 to 10% of pp
0.2 %
频响(相频NG6)：
100 %： 60 Hz
精度很高, 响应很快, 机械反馈+E-Feedback
滞环：
0.2 % ；
灵敏度:
0. 1%
Reversal span: 0. 1%
Zero-point: 2 %
Zero drift with change in:
Temp(Fliud): 0.5% / 20k
< 1% , at T=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
VALVES WITH TORQUE MOTOR
4WRGE…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:
4WRL(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 Qmax:
10% – Termal drift: Zero point
– Temp: 0.2%/10k – Pressure 0.02%/100 bar
– Return flow pressure 0 to 10% from
p 0.01%
响应(相频NG10)：
100 %： 26 Hz 25 %： 60 Hz 5 %： 120 Hz
VALVES WITH TORQUE MOTOR

•14th – 15th January 2004, Bosch Rexroth in China
TECHNISCHER VERGLEICH
2-STUFIGE SERVOVENTILE

•14th – 15th January 2004, Bosch Rexroth in China
100% =BRI -Ventil >100% ist besser <100% ist schlechter
Düse-Prallplatte
Nennvolumenstrom
150%
Hysterese
4WS2EM10-5X MOOG D760 Std. MOOG D760-HR
100%
Sicherheit bei Montage
u. Betrieb
50%
Ansprechempfindlichkeit
0%
GehäusematerialGGG40 / ALU-Leg.