AC Servo Motor Driven Hydraulic Pump Control System ■ Intelligent Hydraulic Servo Drive Pack The IH (intelligent hydraulic) servo drive pack is a compact energy-saving and low-noise hydraulic device which is combined as one with the AC servo motor, piston pump, reservoir and hydraulic control circuit. This combination can control the number of revolutions of the servo motor and adjust the discharge and pressure of the pump. This device can be combined with the sensor – equipped cylinder and dedicated controller to facilitate the configuration of a position, speed and pressure control system. ● Energy Saving The operation at the number of revolutions meeting the machine requirements (flow rate and pressure) reduces useless power losses and provides energy savings. ● Low Noise During pressure control, the pump rotation compensating for the internal leakage of oil pressure provides low revolutions with almost no noise. During flow control, the number of revolutions meeting the machine requirements ensures lower noise generation than conventional devices. ● Compactness A substantial reduction in heat generation enables the operation with a minimum amount of fluid oil for cylinder operation in addition something extra oil. This results in a combination of the servo motor, piston pump, reservoir and hydraulic control circuit in one, providing energy savings. Incorporation into an integral part of the machine is also possible. ● Digital Control Software control of the dedicated controller allows a system to have a great deal of versatility because of making use of a CPU. Digital control parameter setting facilitates to operate the system and its maintenance, furthermore the analog input/output ports provide as standard for user interface. Maximum Shaft Speed r/min 2000 Note) It may vary according to AC servo motor output and operating pressure. Thrust Output and Cylinder bore ■ AC Servo Motor Output and Operating Pressure (for reference) Continuous Operating Short Time Operating

Hydraulic Power Units ■ Model Number Designation YSD3 Servo Motor Output Direction of Servo Motor Connection Servo Pack Relief Geometric Location Valve Displacement Setting Location of of of Pump CounterPres. Pressure balance Sensor cm3/rev Valve MPa (cu. in./rev) (PSI) N1: Without Servo Motor (for 0.85 kW) N: Without B: 9.5 N2: Without Servo (1380) Servo Pack 6: 6 (.366) Motor 09: 0.85 kW 10: 10 (.610) C: 18.5 (for 1.3 kW) (1.14 HP) (2680) 09: 0.85 kW 13: 1.3 kW (Viewed from (1.14 HP) (1.74 HP) the Motor 13: 1.3 kW H: Head End) (1.74 HP) Side A: Upwards N: Without N: Without F: R: Rod Servo...