1. Power Of Hydraulic Dec, 2013 - Linnaeus University Javad Mohammadi Majd Majd.european@yahoo.com Javad Mohammadi Majd Majd.european@yahoo.com

2. ANSWER: A hydraulic system is a means of using a pressurised fluid to transmit power between the place where the power is generated and the point where it is used. ANSWER: A hydraulic system is a means of using a pressurised fluid to transmit power between the place where the power is generated and the point where it is used. QUESTION: What is a hydraulic system ? QUESTION: What is a hydraulic system ?

3. REQUIREMENT FOR POWER

4. GAS TURBINE INTERNAL COMBUSTION ENGINE INTERNAL COMBUSTION ENGINE ELECTRIC MOTOR SOURCES OF POWER

5. ? ? SOURCE OF POWER SOURCE OF POWER CONNECTING THE SOURCE OF POWER

6. DIRECT DRIVE

7. MECHANICAL POWER TRANSMISSION

8. HYDRAULIC POWER TRANSMISSION

9. STOP START SPEED DIRECTION POSITION ACCELERATION CONTROL HYDRAULIC POWER TRANSMISSION

10. HYDRAULIC LIFT

11. time Distance HYDRAULIC LIFT

12. time Acceleration Distance HYDRAULIC LIFT

13. time Acceleration Velocity Distance HYDRAULIC LIFT

14. time Acceleration Deceleration Velocity Distance HYDRAULIC LIFT

15. time Position Acceleration Deceleration Velocity Distance HYDRAULIC LIFT

16. NON-HYDRAULIC EXCAVATOR

17. HYDRAULIC EXCAVATOR

18. HYDRAULIC OPERATION

22. HYDRAULIC PRINCIPLES

23. TRANSMITTING MOVEMENT

25. PUMP ACTUATOR CREATING PRESSURE

26. PUMP ACTUATOR CREATING PRESSURE

27. W PUMP ACTUATOR CREATING PRESSURE

28. W P PUMP ACTUATOR CREATING PRESSURE

29. AREA PRESSURE FORCE PRESSURE = FORCE ÷ AREA FORCE = PRESSURE x AREA PRESSURE DEFINED

30. HIGH PRESSURE HIGH PRESSURE 1 kg LOW PRESSURE LOW PRESSURE 1 kg HIGH PRESSURE HIGH PRESSURE 1 kg PRESSURE DEFINED

31. P F A PUMP ACTUATOR 1000 kg 10 cm 2 LIFTING A LOAD P = F A F A F A F A = 1000 10 = 100 kg/cm 2 P = F A

32. 100 kg/cm 2 PUMP ACTUATOR 10 cm 2 ? ? 1000 kg LIFTING A LOAD

33. PUMP ACTUATOR 10 cm 2 1000 kg 100 kg/cm 2 LIFTING A LOAD

34. A PUMP ACTUATOR 1000 kg 100 cm 2 P = F F A A 10 cm 2 10 kg/cm 2 LIFTING A LOAD P = F F A A = = 1000 100 = 10 kg/cm 2

35. A F = P x A = 10 x 10 = 100 kg PUMP ACTUATOR 1000 kg 100 cm 2 10 cm 2 10 kg/cm 2 100 kg FORCE MULTIPLICATION

36. A PUMP ACTUATOR 1000 kg 100 cm 2 10 cm 2 10 kg/cm 2 100 kg FORCE MULTIPLICATION = P = F F A A F F A A

37. PUMP ACTUATOR HYDRAULIC MACHINE

38. PUMP ACTUATOR HYDRAULIC MACHINE

39. PUMP ACTUATOR HYDRAULIC MACHINE

40. PUMP ACTUATOR HYDRAULIC MACHINE

41. PUMP ACTUATOR HYDRAULIC MACHINE

42. PUMP ACTUATOR HYDRAULIC MACHINE

43. PUMP ACTUATOR HYDRAULIC MACHINE

44. PUMP ACTUATOR HYDRAULIC MACHINE

45. PUMP ACTUATOR HYDRAULIC MACHINE

46. ( 1 N = 0.1 kg approx) 1 metre 1 metre 2 1 newton per square metre = 1 pascal (Pa) 1 kilo pascal = 1 000 Pa 1 mega pascal = 1 000 000 Pa 1 bar = 100 000 Pa 1 bar = 1 kg / cm 2 (approx) 1 newton per square metre = 1 pascal (Pa) 1 kilo pascal = 1 000 Pa 1 mega pascal = 1 000 000 Pa 1 bar = 100 000 Pa 1 bar = 1 kg / cm 2 (approx) 1 newton UNITS OF PRESSURE

47. PRESSURE (Pa) = FORCE (N) AREA (m 2 ) PRESSURE (bar) = FORCE (N) x 10 AREA (mm 2 ) PRESSURE (bar) = FORCE (N) AREA (cm 2 ) x 10 PRESSURE CALCULATION