Why sheet metal has to be joined

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• 6 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Why sheet metal has to be joined
2. What makes a joint a good one
3. The butt joint
4. The lap joint
5. The grooved seam
6. Other seams and where each is used
7. Allowing metal for the seam
8. How a rivet holds
9. Rivet types and sizes
10. Setting a rivet
11. Rivet spacing and edge distance
12. Pop rivets
13. Bolts, nuts and screws in sheet
14. Self-tapping and machine screws
15. How soft soldering works
16. Flux and preparing the surfaces
17. Making a soldered joint
18. Choosing a joining method
19. Safety in sheet-metal joining
20. A joining task: making a tray