Hydraulic pump parameters

29.1

The characteristics of a hydraulic pump are as follows:12678687

Eqn. 1
\require{color}\definecolor{myred}{RGB}{255,0,0} P=\frac{Q_{\color{myred}Pth}\cdot p}{600\cdot\eta_{\color{myred}ges}}
Eqn. 2
\require{color}\definecolor{myred}{RGB}{255,0,0} \eta_{\color{myred}ges}=\eta_{\color{myred}v}\cdot\eta_{\color{myred}hm}
PerformanceP=43.8kW 
Flow rate pumpQPth = 100l/min
System pressurep = 210bar
Overall efficiencyηges = 0.8
Calc 1

Total efficiency η tot of an internal gear pump: 0.6 … 0.9

Eqn. 3
\require{color}\definecolor{myred}{RGB}{255,0,0} Q_{\color{myred}Pth}=\frac{600\cdot P\cdot\eta_{\color{myred}ges}}p
Theoretical flow rateQPth=480l/min 
PerformanceP = 43kW
Overall efficiencyηges = 0.8
System pressurep = 210bar
Calc 2
Flow rate hydraulic pump
12
Tschätsch, H. / Praxis der Umformtechnik / Vieweg / Wiesbaden / 2003 / 7. Auflage
67
Wagener, H.-W., Pahl, K.-J. / Mechanische und hydraulische Pressen / VDI Verlag / Düsseldorf / 1992 / …
86
Schweizer / http://www.schweizer-fn.de/hydraulik/hydraulik.php / … / … / … / …
87
Findeisen, D.; Helduser, S. / Ölhydraulik / Springer Vieweg / Berlin / 2015 / 6. Auflage
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