1. Metalwork
Riveting

2. Riveting
Materials
Rivets are available in different materials such as:
mild steel
aluminium
copper
brass

3. Riveting
Materials
Those are the most commonly riveted materials and if possible it is advisable to use rivets of the same material as the parts being joined.

4. Riveting
Riveting is a permanent joining process in which the rivet is passed through holes in the parts to be joined.

5. Riveting
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6. Riveting
Part of the rivet projects beyond the face of the part being joined and it is then formed to particular shapes usually with the use of a hammer and former preventing it from being removed.

7. Riveting
Rivets
A rivet is a mechanical fastener consisting of a smooth cylindrical shaft with a head on one end; the head is larger than the diameter of the hole into which the rivet will be placed.

8. Riveting
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9. Riveting
Rivets

10. Riveting Rivets Rivets are classified according to their: Head Shape
Material
Diameter
Length

11. Rivets can be worked in either the hot or cold state.
Riveting
Rivets
Rivets can be worked in either the hot or cold state.
An advantage of using hot rivets is that they contract on cooling therefore forming a tighter joint.

12. These rivets are used in the joining of light work.
Riveting
Pop Rivets
These rivets are used in the joining of light work.

13. Riveting
Pop Riveting

14. Riveting
Pop Rivets
With this rivet the second head is formed by drawing a pin with a head through the rivet.

15. Riveting
Pop Rivets

16. Riveting
Pop Rivets
This results in the enlarging of the end of the rivet and as the drawing continues the pin breaks leaving the pin behind.

17. Riveting
Pop Rivets

18. Riveting
Pop Rivets
The main advantage of this type of riveting is that it can be carried out when only one side of the joint is accessible.

19. Riveting
Pop Riveting

20. Riveting
Pop Riveter

21. Riveting
Pop Riveter

22. Riveting
Rivet Snap
This is used for finishing off a snap head rivet after it has been roughly shaped with a ball pein hammer.

23. Riveting
Rivet Snap

24. Riveting
Rivet Snap

25. Riveting
Bolster
This is used to support the snap head of a rivet while a head is being formed on the other end, it can be held in the vice while the procedure is being carried out.

26. Riveting
Bolster

27. Riveting
Bolster

28. This is used to force the parts together before riveting.
Rivet Set
This is used to force the parts together before riveting.

29. Riveting
Rivet Set

30. Riveting
Combined Snap and Set

31. Riveting
Procedure
When more than one rivet is being used in a joint all of the required holes should be drilled in one of the parts first and only one hole should be drilled in the other part.

32. Riveting
Procedure

33. Riveting
Procedure
The reason for this is that one rivet can be formed holding the two parts together and enabling the drilling of the holes in the second piece by passing the drill bit though the first set of holes drilled.

34. Riveting
Procedure
This guarantees quite a high level of accuracy as all of the holes will be in line with each other.

35. The following steps should be followed when forming a snap head rivet:
Riveting
Forming a Snap Head
The following steps should be followed when forming a snap head rivet:

36. Riveting
Forming a Snap Head

37. Riveting Forming a Snap Head
1. A specific length of the rivet must be allowed project beyond the 2 parts to be joined, the length should be 1.5 times the diameter of the rivet.

38. Riveting
Forming a Snap Head

39. Riveting Forming a Snap Head
2. The rivet must be supported adequately before the process begins i.e. if the rivet has a performed snap head it should be supported by a bolster.

40. Riveting
Forming a Snap Head

41. Riveting Forming a Snap Head
3. The parts should now be forced together by a rivet set.
4. The protruding part of the rivet is now roughly formed to shape using a ball pein hammer.

42. Riveting
Forming a Snap Head

43. Riveting
Forming a Snap Head

44. Riveting Forming a Snap Head
5. The rivet snap is then used to complete the head of the rivet.

45. Riveting
Forming a Snap Head

46. Forming a Countersunk Head
Riveting
Forming a Countersunk Head
The following steps should be followed when forming a countersunk head rivet:

47. Forming a Countersunk Head
Riveting
Forming a Countersunk Head

48. Forming a Countersunk Head
Riveting
Forming a Countersunk Head
1. For a countersunk head rivet to be formed a countersunk hole must be drilled in the part it is to be formed into.

49. Forming a Countersunk Head
Riveting
Forming a Countersunk Head

50. Forming a Countersunk Head
Riveting
Forming a Countersunk Head
2. The length of the rivets shaft that must be allowed to project beyond the parts being joined should be equal to the diameter of the rivet.

51. Forming a Countersunk Head
Riveting
Forming a Countersunk Head

52. Forming a Countersunk Head
Riveting
Forming a Countersunk Head
3. The rivet must be supported adequately before the process begins.
4. The parts should now be forced together by a rivet set.

53. Forming a Countersunk Head
Riveting
Forming a Countersunk Head

54. Forming a Countersunk Head
Riveting
Forming a Countersunk Head

55. Forming a Countersunk Head
Riveting
Forming a Countersunk Head
5. The protruding part of the rivet is now widened and fills the countersink using the ball pein hammer.

56. Forming a Countersunk Head
Riveting
Forming a Countersunk Head

57. Forming a Countersunk Head
Riveting
Forming a Countersunk Head
6. Any excess material remaining on the surface of the joint can be removed by filing.

58. Forming a Countersunk Head
Riveting
Forming a Countersunk Head

59. Riveting
Safety
Always ensure that the rivet head has been formed correctly and there are no sharp edges left on any of the joints.

60. Riveting
Safety
When using a bolster always ensure that it is held securely in the vice.

61. Riveting
Safety
When drilling holes for rivets always remember the safety rules which apply to drilling:

62. Riveting Safety Never put hands near moving parts.
No loose clothing or long hair.
Make that the drill bit and work are held securely.
Always wear eye protection.
Do not leave the key in the chuck.