Our New Products for 2004

1. Our New Products for 2004 Innovative New Products for an Innovative New World Dec. 2004 YUKEN KOGYO. CO. LTD.

2. Leading New Products 1. Compact Power Unit packages YF PACK 2. 70 Series Directional Valve 3. Proportional Shockless Valve with Controller 4. ELDF(H)G High Response Proportional Valve 5. LSV(H)G SERVO Valve 6. A3H Axial Piston Pump

3. Y-1 YF PackNew Generation Hydraulic Power Package ! Compact Sized Hydraulic Power Source Pat. Pend. Can you see the next generation coming ?

4. Y-2 The Existing Design of PAL Pump Developed in 1996 YP Pack The Sectional Structure of Pal Pump

5. Y-3 New Concept of YF Pack Induction Motor A Series Piston Pump Tank10L Fan Cooler The Sectional Structure of YF Pack Pat. Pend.

6. T Dr P M M O Y-4 HydraulicCircuitof YF Pack

7. Y-5 Features of YF Pack（１） • Cubic shape Integrated together with Motor, Pump & Reservoir • Compact, Space saving • Low oil temperature rise up 　　　　≦ room temp. + 53 Fat F.C.O. operation

8. Y-6 Features of YF Pack（２） • Low noise • Saving energy More than10% power saving from conventional Power Packs • Water-based fluids option available

9. Y-7 Other Types of YF Pack tank 10Ｌ ・ Horizontal type with extended tank (Optional)　 ・Vertical type ・ Directional valves and Modular valves and also other accessories are available to be installed

10. Hydraulic Line Electric Source Y-8 Advantages of YF Pack • Easy installation for the application • Compact size • Easy to use

11. S-1 New DSG-01…70 Series Valves Superior Performance without the Higher Price A Better Solution for the D03/ NG6 solenoid valve

12. S-2 The Higher Performance of Yuken’s New 70 Series Solenoid Valve Flow Rates up to 26 GPM Up to 5075 PSI Up to 3045 PSI 10% average reduction 8.27 inches reduced to 8.05 inches Increased to IP 65 Wire Leads, 3 & 5 Pin Brad Harris Same options as the current 60 Series • Higher Maximum Flow Rates • Higher Maximum Pressure • Higher Tank or Tube Pressure • Lower Pressure Drop • Smaller Foot Print • Better Water Resistance • More Electrical Connections • Same Great Options

13. S-1 Why is it better? • New Technology makes all the difference • Smaller Coils - But with the same power • Stronger Core Tube – For higher tank pressures • Longer body – For higher flow capacities and higher pressure rating Yuken Kogyo a Technology Leader

14. S-1 Proportional Shock-less Valve and mated Amplifier

15. S-2 Advantages of Proportional Shock-less Valve • Maximum flow (top speed) is adjustable freely • Each adjustment value is loaded on CPU and display. • Most suitable smooth, shock-less acceleration and deceleration can be obtained. • Easy setting and High repeatability by CPU control. Adjust top speed freely

16. S-3 • The EDFG valve can be used Two Ways: • Proportional Valve controlled with +/-10V DC command signal thru a Yuken AMN-W-10 Amplifier • OR • 2) Single Axis Controller when mating the Shock-less valve with a Yuken AMN-G amplifier

17. S-4 Formation of Shock-less Valve and Amplifier ・AMN-G

18. SOL B中圧ピストンポンプの容量体系押しのけ容積 : 37～180cm3/rev圧力 ： 定格 28MPa, 最高35MPa ON ON ON S-5 A Example of Shock-less Patterns SOL A 中圧ピストンポンプの容量体系押しのけ容積 : 37～180cm3/rev圧力 ： 定格 28MPa, 最高35MPa SOL 1 中圧ピストンポンプの容量体系押しのけ容積 : 37～180cm3/rev圧力 ： 定格 28MPa, 最高35MPa SOL 2 中圧ピストンポンプの容量体系押しのけ容積 : 37～180cm3/rev圧力 ： 定格 28MPa, 最高35MPa

19. Max. 99 sec S-6 Specification of Shock-less Valve and Amplifier • Valve ： 25 MPa，30 L/min • Amplifier ： DC24V （35W） power supply Shock-less curve : 9 slope pattern selections (Designed to round off the pattern) Ramp Time range : 0～99 sec

20. ELDFHGSeries High Response Type ProportionalElectro-Hydraulic Directional and Flow Control Valves ELDFG-01/03(1/8,3/8) & ELDFHG-04/06 (1/2,3/4) Sub-plate Mounting April.2003 YUKEN KOGYO CO.,LTD. ELDFHG-04&06

21. Outline ELDFG/ELDFHG Series High Response Proportional • Electro-hydraulic Directional & Flow control valves • High response characteristics • Closed loop spool feedback • Zero-lap spools are excellent for position and pressure control. ELDFHG-04&06 ELDFG-03 ELDFG-01

22. Features ●High response characteristics equivalent to servo valves ELDFG-01：48 Hz/-90°(±25％Amplitude) ELDFHG-06：66 Hz/-90°(±25％Amplitude) ● Excellent anti-contamination characteristics Troubles caused by contaminant in oil can be reduced greatly versus the jet-pipe and nozzle- flapper type servo valves.

23. Pmax 5075 PSI 01 (10~35 :ΔP=218) 04(280:ΔP=145) 06(350:ΔP=145) 06 (500:ΔP=145) 03 (40/80 :ΔP= 218) 300 500 100 Max. FlowL/min at ΔP= 145 or 218 PSI Line up

24. Specifications “ ELDFG-01&03 ” Note 1) The above characteristics were measured with each valve so they may vary depend upon hydraulic circuit of actual machine.

25. Specifications “ ELDFHG-04&06 ” Note 1) The above characteristics were measured with each valve so they may vary depend upon hydraulic circuit of actual machine.

26. Structure ELDFG-03 ELDFHG-04

27. AMN-L-01- -10 AMB-EL 191.4 40 160 115 128.5 100 90 30 AMN-L AMB-EL Power Amplifier

28. Performance data Frequency response Pressure：14MPa Pilot pressure ：14MPa Spool stroke ：±25% Circuit diagram ：A・B Port Closed ELDFHG-04

29. LSVHGSeries High-speed Linear Servo Valves LSVG-03 (3/8) & LSVHG-04/06/10 (1/2,3/4,1) Sub-plate Mounting April.2003 YUKEN KOGYO CO.,LTD. LSVHG-06

30. Outline LSVG/LSVHG Series High-Speed Linear Servo Valves offer extremely high response and excellent anti-contamination characteristics. ・An intensified small linear motor drives the spool directly. 　　　・A differential transducer electrically detects spool position for feedback control. These valves are suitable for the following machines which require high speed & high precision control. ・High Speed Nibbling Machine 　　　・High Speed Injection Molding Machine 　　　・Die Casting Machine 　　　・Steel Mill Equipment 　　　・Testing Equipment LSVG-03

31. Features High response characteristics LSVG-03 : 450Hz/-90°(±25% Amplitude), step response 2 ms (0-100%) LSVHG-10 : 100Hz/-90°(±25% Amplitude), step response 8 ms (0-100%) Excellent anti-contamination characteristics The valves can be used with fluid of which contamination grade is NAS class 10. Exclusive power amplifier to optimize valve characteristics are available. SK1119

32. Line up Pmax 4560 ~ 5075 PSI 04 (53~132) 06 (340) 03 (1~16) 04 (200) 06 (240) 10 ( 4 00) 132 GPM 264 GPM 400 GPM Flow Rate GPM at diff. P = 1000 PSI

33. Specifications “ LSVG-03 ” • Note1 Back pressure for the drain port should be less than 7 PSI and also not under a vacuum. • Note2 The above characteristics are measured values for each individual valve, which is dependant upon the hydraulic circuit, hence the figures may vary.

34. Specifications “ LSVHG-04,06,10 ” • Note1) Max. T-Line Back Pressure should be less than the actual supply pressure. • Note2) Back Pressure for the drain port should be less than 7 PSI and also not under a vacuum. • Note3) Supply Pressure of the Pilot Valve should be 218-5075 PSI (LSVHG-10 218-4560 PSI) and should also be more than 60% of • the actual supply pressure when the valve is in operation. • Note4) Pilot Flow is calculated at 2030 PSI of Pilot Pressure and the above stepped response. • Note5) Volume of the Internal Drain is the total volume from main and pilot spools.

35. Structure LSVG-03-40-10 LSVHG-04/06/10 Body Cover-A Cover-B LVDT Spring -B Springfollower Spool Spring-A

36. Input voltage：100% 0% 5 ms 5 ms 0% Input voltage：-100% Performance data Step response Pressure：14MPa Pilot pressure ：14MPa Oil viscosity ：30mm2/s LSVHG-04-750-（2P）－（E）（T）－10 Flow：P→B→A→T Flow：P→A→B→T

37. Performance data Frequency response Pressure：14MPa Pilot pressure ：14MPa Spool stroke ：±25% Oil viscosity ：30mm2/s LSVHG-04-750-（2P）－（E）（T）－10

38. A3HSeries High-Pressure Variable Piston Pump April.2003 YUKEN KOGYO CO.,LTD.

39. Features A3H Series The ultimate in pump design developed by Yuken. • Optimal control types available for industrial machines and industrial vehicles • Wide displacement range with single and through drive pump • High performance having maximum pressure up to 5075 PSI • Low noise level and high reliability based on well proven service • Compact in size, greater ratio of Output power to Mass

40. Compact

41. Displacement

42. Specifications “01”

43. Structure “01”

44. Control Type “01” “09” “14” “55” 　“01”: Pressure Compensator Type 　“09”: Constant Power Control Type 　“14”: Load Sensing Type 　“55”: Two Pressure & Two Flow Control Type （High pressure set : By relief valve)

45. A3H56-FR09-22B4K-10 Note) Note) Hydraulic power (kW) changes according to shaft rotation speed. “09” Constant Power Control Type

46. Through Drive Type A3H71 with Gear Pump Splined Shaft A3H1671 tandem pump Keyed Shaft

47. Tandem Pumps

48. Structure of Control Section Graphic Symbol Q p feedback piston cam α N M control piston 0 compensator spool pp spring Constant Power Control “09” Pump swash-angle(α) changes in inverse proportion to delivery pressure(p). Under power control condition, the figure p ×α remains in constant balance between two forces acting on cam. One force is spring acting via the compensator spool, the other force is delivery pressure via the feed back piston. The operating point change is dependent on swash angle. Consequently, pump oil power (p × Q) is kept constant at constant condition of shaft speed(N) because Q=N ×function(tanα).

49. Test condition ・Hydraulic oil : ISO VG 32 ・Temperature : 40℃ ・Oil viscosity : 32 mm2/sec ・Max. speed : 1800 r/min ・Control power set : 75 kW Output flow Input power Output flow Input power Pressure Constant Power Control “09” Performance Data:A3H180 Test condition ・Hydraulic oil : ISO VG 32 ・Temperature : 40℃ ・Oil viscosity : 32 mm2/sec ・Max. speed : 1500 r/min ・Control power set : 45 kW

50. Flow Pressure Flow Shaft Speed Load Sensing “14” Load Sensing Graphic Symbol Const. Flow Control ●Variable Flow Compensator Setting:1.0~3.0MPa ●Pilot relief valve connection via remote control port (pp)