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1、,PISTON PUMPS - INTRODUCTION,Copyright Eaton Limited 2004,PISTON PUMP PRINCIPLE,PISTON PUMP PRINCIPLE,PISTON PUMP PRINCIPLE,PISTON PUMP PRINCIPLE,PISTON PUMP PRINCIPLE,PISTON PUMP PRINCIPLE,PISTON PUMP PRINCIPLE,FIXED DISPLACEMENT PISTON PUMP,PISTON PUMP PRINCIPLE,FIXED DISPLACEMENT PUMP,ANIMATION 2
2、,ANIMATION 1,PISTON PUMP,Q = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed),Q,Q,VARIABLE DISPLACEMENT PUMP - MAX FLOW,Q = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed),Q,VARIABLE DISPLACEMENT PUMP - REDUCED FLOW,Q = (No. of Pistons) x (Piston Size) x (Piston
3、Stroke) x (Drive Speed),STROKE,Q,VARIABLE DISPLACEMENT PUMP - REDUCED FLOW,Q = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed),Q,STROKE,VARIABLE DISPLACEMENT PUMP - ZERO FLOW,Q = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed),STROKE,VARIABLE DISPLACEMENT PUMP -
4、 ZERO FLOW,Q = (No. of Pistons) x (Piston Size) x (Piston Stroke) x (Drive Speed),Q,VARIABLE DISPLACEMENT PUMP - REVERSED FLOW,STROKE,Q,VARIABLE DISPLACEMENT PUMP,CONSTANT,VARIABLE DISPLACEMENT PUMP,VARIABLE DISPLACEMENT PUMP,DIRECT DISPLACEMENT CONTROL: Manual Electric Motor Pilot pressure Mechanic
5、al Servo Electronic,CONTROL,PRESSURE / DISPLACEMENT CONTROL: Pressure Compensation Load Sensing (Flow Compensation) Constant Power,PUMP CONTROLS,DISPLACEMENT CONTROLS,Manual Adjustment eg. Test Stands,Electric Adjustment eg. Mixer Drives,Pilot Pressure Adjustment eg. Transmissions,Electronic Adjustm
6、ent eg. Speed Control,Manual Servo eg. Transmissions,PRESSURE CONTROLS,Pressure Compensation eg. Machine Tools,Load Sensing (Flow Compensation) eg. Metal Forming, Mobile,Torque Limiting (Constant Power) eg. Mobile, Presses,OPEN LOOP TRANSMISSION,OPEN LOOP TRANSMISSION,CLOSED LOOP TRANSMISSION,CLOSED
7、 LOOP TRANSMISSION,CLOSED LOOP TRANSMISSION,PISTON PUMPS - INSTALL,Copyright Eaton Limited 2004,CASE LUBRICATION,CASE LUBRICATION,CASE LUBRICATION,CASE LUBRICATION,NEGATIVE HEAD LAYOUT,CAVITATION,CAVITATION,CAVITATION DAMAGE,CASE DRAIN,FLOODED SUCTION LAYOUT,IMMERSED PUMP,IMMERSED PUMP,IMMERSED PUMP,POSITIVE HEAD LAYOUT,EXCESSIVE CASE PRESSURE,SHOE LIFT,SHOE LIFT,SHOE LIFT DAMAGE,SHOE LIFT DAMAGE,典型闭式静压传动原理和组成,