1. Overhead Cranes Considerations and Applications by Craig Pelkola Applications Engineer North American Industries Boston, Massachusetts, USA

2. Agenda What is a Crane? Main Considerations Types of Cranes Electrification and Controls Interfaces Clearances Runways Below the Hook Lifting Devices Questions?

3. What is a Crane Cranes are made up of: –Hoists –Trolleys –End Trucks –Runways

4. Considerations Main Considerations –What does the crane need to accomplish –Capacity –Duty Cycle –Power Supply –Environment

5. Types of Cranes Types of Cranes and Their Uses –Fixed Hoists –Monorails –Jib Cranes –Bridge Cranes –Gantry Cranes –Special Cranes

6. Fixed Hoist Types of Cranes

7. Monorails Types of Cranes

8. Jib Cranes –Wall Mount –Free Standing Types of Cranes

9. Bridge Cranes –Single Girder –Double Girder Types of Cranes

10. Single Girder Bridge Cranes Types of Cranes

11. Double Girder Bridge Cranes Types of Cranes

12. Gantry Cranes Types of Cranes

13. Special Cranes –Single Legged Gantry –Trackless Gantry –Specific Handling Needs –Polar Cranes –Special Lifting Needs Types of Cranes

14. Gantry Cranes – Single-Legged Gantries Types of Cranes

15. Special Cranes - Trackless Gantries Types of Cranes

16. Special Cranes – Specific Handling Needs Types of Cranes

17. Special Cranes – Polar Crane Types of Cranes

18. Special Lifting Needs Types of Cranes

19. Crane Electrification and Controls –Electrification –Motor Controls –Human Interfaces –Other Interfaces

20. Crane Electrification and Controls Electrification –Generators –Cable Reels –Festoon Systems –Conductor Bar

21. Electrification Generators

22. Electrification Cable Reels

23. Electrification Festoon Systems

24. Electrification Conductor Bar

25. Crane Electrification and Controls Controls –Single Speed –Two Speed –Variable Frequency Drive (VFD)

26. Controls Motor Controls

27. Human Interfaces Interfaces used to control cranes –Push Button Pendant –Radio Control –Cab Control –Automated Control

28. Human Interfaces Push Button Pendant

29. Human Interfaces Radio Control

30. Human Interfaces Cab Control

31. Human Interfaces Automated Control

32. Other Interfaces Safety Interfaces –Hoist Limit Switches –Weight Overload Switch –Travel Limit Switches –Collision Avoidance Systems

33. Clearances Spans, Approaches, and Headroom

34. Clearances Hook Height

35. Clearances

36. Runways Types of Runways

37. Runways Types of Runways –Top Running –Under Running

38. Runways Top Running and Under running Clearances

39. Runways Rails –ASCE rail vs 2x2 bar: Cost Wear Characteristics Stiffening properties

40. Below the Hook Below the Hook Lifting Devices

41. Questions? Questions and Answers Feel free to email me any questions you might have: craigp@naicranes.com

42. Gracias! Thank you very much for attending my talk on overhead cranes. Craig Pelkola craigp@naicranes.com North American Industries