The lid and its fit
Metal Technology · Grade 10 · about 40 minutes
Forming a lid whose turned-down skirt seals over the wired rim, and getting the clearance right.
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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
- The sheet-metal project
- Finding sheet-metal problems
- Understanding the problem: stored grain
- The brief and the specification
- Three designs for the store
- Choosing the design
- Developing the body
- Developing the bottom and lid
- Checking with a paper model
- The bill of materials
- Sequence and safety plan
- Marking out and nesting the blanks
- Cutting the blanks
- Rolling the body
- The grooved side seam
- Fitting the bottom
- The lid and its fit
- Sealing and finishing a food container
- Testing the finished tin
- Presenting and evaluating