Pascal Ben Chen Ph.D.

2006 l % l % 42.9% l % l 51.1% 13.5%

l

l l l ( 3-4 ) l

KBSDG4VKBFDG5VDG4V-3KBHDG5VCVCS/CVI Customized PQ Spools for Injection Cylinder control Developing the PQ Pump Clamping Challenges Move huge mass smoothly, quickly, & precisely Close loop pressure & velocity control High performance, two-stage prop valve Prop pressure control valve Ejector Challenges Protect mold (pressure limitation), eject on the fly (speed regulation), support robot (positioning). Close loop pressure, velocity, and positioning control Servo performance, single stage prop valve For Machine Setup Single Stage NG6 Directional Valve Injection Challenges Smooth, accurate, & repeatable transition from velocity to pressure control Close loop pressure & velocity control Servo performance, two-stage prop valve Screw Rotation Challenges Constant velocity control High flow Prop Slip-in Cartridge Valves Plastics Injection Molding Clamping Cylinder Ejector Carriage Injection Cylinder Metering Motor

KBHDG5V Single Stage NG6 Directional Valve Clamping Challenges Move huge mass smoothly, quickly, & precisely Close loop pressure & velocity control High performance, two- stage prop direction valve Prop pressure control valve Plastics Blow Molding KBHDG5V KBSDG4V Parison Control Challenges Wall thickness control Close loop positioning control Servo performance, single stage prop directional valve Injection Challenges Smooth, accurate, & repeatable transition from velocity to pressure control Close loop pressure & velocity control Servo performance, two- stage prop directional valve KBFDG5V Parison Control Injection Control Clamping Control

PQ 1.Vane Pump (Fixed) 90-95% 0-800mA Yuken EFBG LVDT mA Bosch Vickers 2. Pistion Pump (Variable) 5-10% Yuken Rexroth Bosch 3. Pistion Pump + ( )

PQ EFBG Valve 0-800mA 3-5% 600LPM*0.05=30LPM

PQ EFBG Valve

PQ Proportional Throttle Valve NG10 2-Way Cartridge NG25

PQ Speed & Proportional Throttle Valve NG10 KFTG4V-5-2B70N-Z-VM-U1-H7 Response0.027s ( at 80 LPM) Hysteresis<1% 2-Way Cartridge NG25 typeCVU-25-EFP1-B Pressure Max315bar Response0.040s ( at 210 LPM) Hysteresis<1%

PQ NG32

CVU-32

NG32 KCG-3-160

VOLTAGE CURRENT PRESSURE FORCE RATE OF CHANGE OF FORCE RATE OF CHANGE OF FORCE OPEN LOOP CONTROL

VOLTAGE CURRENT PRESSURE FORCE RATE OF CHANGE OF FORCE RATE OF CHANGE OF FORCE VOLTAGE + + _ _ FORCE : VOLTAGE FORCE : VOLTAGE P I D CLOSED LOOP CONTROL - FORCE

VOLTAGE CURRENT FLOW VELOCITY VOLTAGE + + _ _ VOLTAGE : VELOCITY P I D CLOSED LOOP CONTROL - VELOCITY 0.1mm/sec --2m/s --10m/s & & 0.1mm/sec --2m/s --10m/s & & 1%

VOLTAGE CURRENT FLOW POSITION VELOCITY VOLTAGE + + _ _ VOLTAGE : POSITION P I D CLOSED LOOP CONTROL - POSITION 0.01mm

SERVO VALVE Servo

l KHDG5V-7-2C200N 24ms at 375LPM l KHDG5V-8-2C375N 37ms at 375LPM

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Q & A