【精品液壓培訓(xùn)資料】EATON 柱塞泵原理介紹及安裝使用注意事項

1、PISTON PUMPS - INTRODUCTIONCopyright Eaton Limited 2004PISTON PUMP PRINCIPLEPISTON PUMP PRINCIPLEPISTON PUMP PRINCIPLEPISTON PUMP PRINCIPLEPISTON PUMP PRINCIPLEPISTON PUMP PRINCIPLEPISTON PUMP PRINCIPLEFIXED DISPLACEMENT PISTON PUMPPISTON PUMP PRINCIPLEFIXED DISPLACEMENT PUMPANIMATION 2ANIMATION 1PI

2、STON PUMPQ = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed)QQSTROKEVARIABLE DISPLACEMENT PUMP - MAX FLOWQ = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed)STROKEQVARIABLE DISPLACEMENT PUMP - REDUCED FLOWQ = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (

3、Drive Speed)STROKEQVARIABLE DISPLACEMENT PUMP - REDUCED FLOWQ = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed)QSTROKEVARIABLE DISPLACEMENT PUMP - ZERO FLOWQ = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed)STROKEVARIABLE DISPLACEMENT PUMP - ZERO FLOWQ = (No. of

4、 Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed)QVARIABLE DISPLACEMENT PUMP - REVERSED FLOWSTROKEQVARIABLE DISPLACEMENT PUMPCONSTANTVARIABLE DISPLACEMENT PUMPVARIABLE DISPLACEMENT PUMPDIRECT DISPLACEMENT CONTROL: Manual Electric Motor Pilot pressure Mechanical Servo ElectronicCONTROLPRESS

5、URE / DISPLACEMENT CONTROL: Pressure Compensation Load Sensing (Flow Compensation) Constant PowerPUMP CONTROLSDISPLACEMENT CONTROLSManual Adjustment eg. Test StandsElectric Adjustment eg. Mixer DrivesPilot Pressure Adjustment eg. TransmissionsElectronic Adjustment eg. Speed ControlManual Servo eg. T

6、ransmissionsPRESSURE CONTROLSPressure Compensation eg. Machine ToolsLoad Sensing (Flow Compensation) eg. Metal Forming, MobileTorque Limiting (Constant Power) eg. Mobile, PressesOPEN LOOP TRANSMISSIONOPEN LOOP TRANSMISSIONCLOSED LOOP TRANSMISSIONCLOSED LOOP TRANSMISSIONCLOSED LOOP TRANSMISSIONPISTON PUMPS - INSTALLCopyright Eaton Limited 2004CASE LUBRICATIONOILCASE LUBRICATIONOILCASE LUBRICATIONOILCASE LUBRICATIONNEGATIVE HEAD LAYOUTCAVITATIONCAVITATIONCAVITATION DAMAGECASE DRAINFLOODED SUCTION LAYOUTIMMERSED PUMPIMMERSED PUMPIMMERSED PUM