Choix d'Une Pompe
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Transcript of Choix d'Une Pompe
CHOIX D’UNE POMPECHOIX D’UNE POMPE
Copyright Eaton Hydraulics 2000Copyright Eaton Hydraulics 2000
Steve Skinner, Eaton Hydraulics, Havant, UKSteve Skinner, Eaton Hydraulics, Havant, UK
Displacement Displacement
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
FLOWFLOW
FLOW SIZE & DRIVE SPEEDFLOW SIZE & DRIVE SPEED
PUMP FLOW RATEPUMP FLOW RATE
Europe - 1000 / 1500 RPMEurope - 1000 / 1500 RPM
America - 1200 / 1800 RPMAmerica - 1200 / 1800 RPM
Mobile - 1200 2500 RPMMobile - 1200 2500 RPM
PUMP DISPLACEMENTPUMP DISPLACEMENT
1 revolution1 revolution
1 revolution1 revolution
PUMP DISPLACEMENTPUMP DISPLACEMENT
1 revolution1 revolution
PUMP DISPLACEMENTPUMP DISPLACEMENT
1 revolution1 revolution
PUMP DISPLACEMENTPUMP DISPLACEMENT
1 revolution1 revolution
PUMP DISPLACEMENTPUMP DISPLACEMENT
1 revolution1 revolution
PUMP DISPLACEMENTPUMP DISPLACEMENT
volume cm3volume cm3
SIZE (displacement) = cm3 / revSIZE (displacement) = cm3 / rev
1 revolution1 revolution
PUMP DISPLACEMENTPUMP DISPLACEMENT
SPEED = rev / minSPEED = rev / min
FLOW = DISPLACEMENT x SPEEDFLOW = DISPLACEMENT x SPEED
litres / min =litres / min =cm3 / rev x rev / mincm3 / rev x rev / min
10001000
FLOW = litres / minFLOW = litres / min
PUMP FLOW RATE CALCULATIONPUMP FLOW RATE CALCULATION
DISPLACEMENT = cm3 / revDISPLACEMENT = cm3 / rev
Displacement Displacement Maximum pressure capability Maximum pressure capability
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
PUMP PRESSURE CAPABILITYPUMP PRESSURE CAPABILITY
PMAXPMAX
PUMP PRESSURE CAPABILITYPUMP PRESSURE CAPABILITY
CONTINUOUSCONTINUOUS
INTERMITTENTINTERMITTENT
PEAKPEAK
tt
PMAXPMAX
TYPICALLY: INTERMITTENT = 6 sec / minTYPICALLY: INTERMITTENT = 6 sec / min
PEAK = 50 mSPEAK = 50 mS
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
FIXED / VARIABLE DISPLACEMENTFIXED / VARIABLE DISPLACEMENT
N N
FLOWFLOW FLOWFLOW
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
OPEN LOOP TRANSMISSIONOPEN LOOP TRANSMISSION
OPEN LOOP TRANSMISSIONOPEN LOOP TRANSMISSION
CLOSED LOOP TRANSMISSIONCLOSED LOOP TRANSMISSION
CLOSED LOOP TRANSMISSIONCLOSED LOOP TRANSMISSION
CLOSED LOOP TRANSMISSIONCLOSED LOOP TRANSMISSION
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
Q NQ N
NN
DRIVE SPEED - INDUSTRIAL APPLICATIONSDRIVE SPEED - INDUSTRIAL APPLICATIONS
1200 RPM 60 Hz1800 RPM1200 RPM 60 Hz1800 RPM
1000 RPM 50 Hz1500 RPM1000 RPM 50 Hz1500 RPM
MaxMaxMinMin
RPM
DRIVE SPEED - MOBILE APPLICATIONSDRIVE SPEED - MOBILE APPLICATIONS
INDIRECT DRIVEINDIRECT DRIVE
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
DISPLACEMENTDISPLACEMENT
DRIVE SPEEDDRIVE SPEED
INT. GEARINT. GEAR
VANEVANE PISTONPISTON EXT. GEAR
EXT. GEAR
TYPETYPE
FIXEDFIXED VARIABLEVARIABLECONSTRUCTIONCONSTRUCTION
NOISE LEVELNOISE LEVEL
FACTORS AFFECTING PUMP NOISE LEVELFACTORS AFFECTING PUMP NOISE LEVEL
PRESSUREPRESSURE
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
20/1820/18
19/1719/17
18/1618/16
17/1517/15
16/1416/14
100100 200200 300300
VARIABLE PISTON
VARIABLE PISTON
FIXED VANE / GEAR
FIXED VANE / GEAR
VARIABLE VANE / FIXED PISTON
VARIABLE VANE / FIXED PISTON
ISO
CL
EA
NL
INE
SS
LE
VE
LIS
O C
LE
AN
LIN
ES
S L
EV
EL
PRESSURE (bar)PRESSURE (bar)
PUMP CLEANLINESS REQUIREMENTSPUMP CLEANLINESS REQUIREMENTS
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity Overall efficiency Overall efficiency
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
PIPELOSSES
PIPELOSSES
POWERSUPPLYLOSSES
POWERSUPPLYLOSSES
CONTROLLOSSES
CONTROLLOSSES
ACTUATORLOSSES
ACTUATORLOSSES
PUMPLOSSES
PUMPLOSSES
POWERSUPPLY CONTROL ACTUATOR
MECHANICALPOWER IN
MECHANICALPOWER IN
MECHANICALPOWER OUT
MECHANICALPOWER OUT
HYDRAULICPOWER
HYDRAULICPOWER
HYDRAULICPOWER
HYDRAULICPOWER
AV
AIL
AB
LE
PO
WE
RA
VA
ILA
BL
E P
OW
ER
INPUTINPUT
OUTPUTOUTPUT
HEATHEAT
PUMP EFFICIENCY vs SYSTEM EFFICIENCYPUMP EFFICIENCY vs SYSTEM EFFICIENCY
PUMPLOSSESPUMP
LOSSESFLUID
FRICTIONFLUID
FRICTION==
FLUID FRICTION LOSSESFLUID FRICTION LOSSES
PUMPLOSSESPUMP
LOSSESFLUID
FRICTIONFLUID
FRICTIONMECHANICAL
FRICTIONMECHANICAL
FRICTION== ++
MECHANICAL FRICTION LOSSESMECHANICAL FRICTION LOSSES
PUMPLOSSESPUMP
LOSSESFLUID
FRICTIONFLUID
FRICTIONMECHANICAL
FRICTIONMECHANICAL
FRICTION SLIPPAGESLIPPAGE== ++ ++
SLIPPAGESLIPPAGE
00
1010
2020
3030
4040
5050
6060
7070
8080
9090
100100
5050 100100 150150 200200 250250 300300 350350
barbar
Eff
icie
ncy
Eff
icie
ncy
TYPICAL PUMP OVERALL EFFICIENCYTYPICAL PUMP OVERALL EFFICIENCY
100 kW100 kW
80 kW80 kW
TYPICAL VANE PUMP EFFICIENCYTYPICAL VANE PUMP EFFICIENCY
100 kW100 kW
85 kW85 kW
TYPICAL GEAR PUMP EFFICIENCYTYPICAL GEAR PUMP EFFICIENCY
100 kW100 kW
90 kW90 kW
TYPICAL PISTON PUMP EFFICIENCYTYPICAL PISTON PUMP EFFICIENCY
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity Overall efficiency Overall efficiency Life expectancy Life expectancy
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
MINIMUM
GEARGEARVANEVANE
PISTONPISTON
EF
FIC
IEN
CY
EF
FIC
IEN
CY
TIMETIMEGEARPUMPLIFE
GEARPUMPLIFE
VANEPUMPLIFE
VANEPUMPLIFE
PISTONPUMPLIFE
PISTONPUMPLIFE
PUMP LIFE PUMP LIFE
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity Overall efficiency Overall efficiency Life expectancy Life expectancy Serviceability Serviceability
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
PUMP SERVICEABILITYPUMP SERVICEABILITY
GEARGEAR VANEVANE PISTONPISTON
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity Overall efficiency Overall efficiency Life expectancy Life expectancy Serviceability Serviceability Size, shape & weight Size, shape & weight
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
COMPARATIVE SIZES OF 100 cm3/r PUMPSCOMPARATIVE SIZES OF 100 cm3/r PUMPS
FIXED DISPLACEMENTFIXED DISPLACEMENT VARIABLE DISPLACEMENTVARIABLE DISPLACEMENT
GEARGEAR
PISTONPISTON
VANEVANE
COMPARATIVE WEIGHTS OF 100 cm3/r PUMPSCOMPARATIVE WEIGHTS OF 100 cm3/r PUMPS
FIXED DISPLACEMENTFIXED DISPLACEMENT VARIABLE DISPLACEMENTVARIABLE DISPLACEMENT
GEARGEAR
PISTONPISTON
VANEVANE
55kg
33kg
13kg
45kg
34kg
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity Overall efficiency Overall efficiency Life expectancy Life expectancy Serviceability ServiceabilitySize, shape & weightSize, shape & weight Fluid compatibility Fluid compatibility
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
FLUID TYPEFLUID TYPE
DE-RATING (Pressure / Drive Speed)DE-RATING (Pressure / Drive Speed)
PUMP / FLUID COMPATIBILITYPUMP / FLUID COMPATIBILITY
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity Overall efficiency Overall efficiency Life expectancy Life expectancy Serviceability ServiceabilitySize, shape & weightSize, shape & weight Fluid compatibility Fluid compatibility Cost Cost
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
00 5050 100100 150150 200200 250250 300300 350350
DISPLACEMENT ( cm3 / r )DISPLACEMENT ( cm3 / r )
PR
ICE
PR
ICE
EXTERNAL GEAREXTERNAL GEAR
FIXED VANEFIXED VANE
VARIABLE VANEVARIABLE VANE
INTERNAL GEARINTERNAL GEAR
VARIABLE PISTONVARIABLE PISTON
PUMP COST COMPARISONPUMP COST COMPARISON
Displacement Displacement Maximum pressure capability Maximum pressure capability Fixed / variable displacement Fixed / variable displacement Open loop / closed loop Open loop / closed loop Drive capability Drive capability Noise level Noise level Contamination sensitivity Contamination sensitivity Overall efficiency Overall efficiency Life expectancy Life expectancy Serviceability ServiceabilitySize, shape & weightSize, shape & weight Fluid compatibility Fluid compatibility Cost Cost
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
PUMP SELECTION FACTORSPUMP SELECTION FACTORS
Copyright Eaton Hydraulics 2000Copyright Eaton Hydraulics 2000
Steve Skinner, Eaton Hydraulics, Havant, UKSteve Skinner, Eaton Hydraulics, Havant, UK