94-HYDRAULIC CALCULATORHYDRAULIC FORMULA CALCULATORFORCEPut your amounts where the red figures are and check out the answer where the blue figures are (click enter) !TO BE USED WHEN CALCULATING THE FORCE OF A HYDRAULIC CYLINDERFORMULAPRESSURECYLINDER DIAMETERFORCE (tons)FORCE (kg)1tonsENTER (Bar)ENTER (cm)(click enter) !(click enter) !1502573.5937573593.75CYLINDER CONVERSION INCH TO METRIC2'' = 5.08 cm 3" = 7.62 cm 4" = 10.16 cmFLOW RATEPut your amounts where the red figures are and check out the answer where the blue figures are (click enter) !TO BE USED WHEN CALCULATING THE FLOW RATE OF A HYDRAULIC PUMP2FORMULAL/minENTER cc/RevENTER RPMFLOW (L/min)cc/min514507.2572503FORMULAL/minENTER SPEED (m/s)ENTER CYL DIAMETER (cm)FLOW (L/min)cc/min00004FORMULAL/minENTER POWER (KW)ENTER PRESSURE (Mpa)FLOW (L/min)cc/min0000SPEEDPut your amounts where the red figures are and check out the answer where the blue figures are (click enter) !TO BE USED WHEN CALCULATING THE SPEED OF A HYDRAULIC CYLINDER SHAFT5FORMULAm/sENTER FLOW RATE (L/min)ENTER DIAMETER (cm)SPEED (m/s)SPEED (sec/25 mm)3.637.620.01327320421.8834939669SECONDS / METERPOWER75.3397586777Put your amounts where the red figures are and check out the answer where the blue figures are !TO BE USED WHEN CALCULATING THE POWER REQUIRED TO DRIVE A HYDRAULIC PUMP6FORMULAkWENTER PRESSURE (bar)ENTER FLOW RATE (L/min)POWER (kW)WATTS1807.622.68941176472689.4117647059TORQUEPut your amounts where the red figures are and check out the answer where the blue figures are (click enter) !TO BE USED WHEN CALCULATING THE TORQUE PRODUCED BY A HYDRAULIC MOTOR7FORMULANmENTER PRESSURE (Mpa)ENTER DISPLACEMENT (cm)TORQUE (Nm)Dm00008FORMULANmENTER PRESSURE (Mpa)ENTER FLOW RATE (L/min)ENTER RPMTORQUE (Nm)0014500HOSE SIZINGPut your amounts where the red figures are and check out the answer where the blue figures are (click enter) !TO BE USED WHEN CALCULATING THE HOSE SIZE FOR SUCTION AND DELIVERY9FORMULAm/sMAX. SPEED RATEDISPLACEMENTSUCTION PORT ID(U/min)(cm)(mm)14505.019.0*** Special note;Velocity (m/s)0.43METERS/SECOND*** Special note; The maximum recommended flow rate for a gear pump is 2,5 m/s please do not exceed.*** Special note; For delivery hose size, rule of thumb 25% smaller than suction hosePLEASE NOTE: ALL O.E.M. NAMES OR NUMBERS ARE FOR REFERENCE USE ONLYTO BE USED AT YOUR OWN RISK BY; Dr Christine Edmonds of Milwaukee WisconsinPAGE 94

&C01/01/2009