Metalwork - Exam Papers - HL - Project - 1994 - 
150 Marks
Instructions
Details of a Model Air Compressor are show on the accompanying drawing.
- Make the model using the materials as specified in the parts list.
- An alternative hardwood base may be designed and made for the model.
- An adhesive is to be used to bond Part 14 to Part 3 and Part 13 to Part 7.
- Assemble the parts using the set screws supplied.
Parts List
| Part No. | Part Name | Required | Material and Description | Solidworks Part | Solidworks Drawing | |
| 1 | BASE | 1 | BLACK PERSPEX OR HARDWOOD |  |
 |
 |
| 2 | CRANK CASE | 1 | BRASS, COPPER OR STEEL | |
|
|
| 3 | COVER PLATE | 1 | CLEAR PERSPEX | |
|
|
| 4 | CYLINDER | 1 | COPPER PIPE | |
|
|
| 5 | CRANK | 1 | BRASS, COPPER OR STEEL | |
|
|
| 6 | CON ROD | 1 | BRASS, COPPER OR STEEL | |
|
|
| 7 | PISTON | 1 | ALUMINIUM OR NYLON | |
|
|
| 8 | CYLINDER HEAD STUDS | 2 | STEEL OR BRASS | |
|
|
| 9 | CYLINDER HEAD | 1 | CLEAR PERSPEX | |
|
|
| 10 | DRIVING PULLEY | 1 | CLEAR PERSPEX | |
|
|
| 11 | SHAFT | 1 | BRASS OR STEEL | |
|
|
| 12 | CRANK PIN | 1 | BRASS OR STEEL | |
|
|
| 13 | GUDGEON PIN | 1 | BRASS, STEEL OR ALUMINIUM | |
|
|
| 14 | BEARING | 1 | CLEAR PERSPEX | |
|
|
As Supplied
| Part No. | Part Name | Required | Material and Description |
| 15 | M5 x 8 SET SCREWS | 2 | BRASS OR STEEL |
| 16 | M5 x 6 SET SCREWS | 2 | BRASS OR STEEL |
| 17 | * M5 HEXAGONAL NUTS | 8 | BRASS OR STEEL |
| 18 | * M6 HEXAGONAL NUTS | 2 | BRASS OR STEEL |
| 19 | Ø5 WASHERS | 4 | BRASS OR STEEL |
| 20 | Ø6 WASHER | 1 | BRASS OR STEEL |
* Cap Nuts may also be used. |
|||
NOTE :
- If hardwood is used for Part 1, the overall dimensions (length and width) maybe increased by up to 20% if necessary. The height of the base must not exceed 20mm.
- If steel is used for parts 2, 5 and 6 they must be spray painted matt black before assembly.
Zip Files
Download all Solidworks Parts : - 1.3MB
Download all Solidworks Drawings : - 1.7MB
Download all PDFs of Solidworks Drawings : - 766KB
Download Solidworks Assembly including all Parts : - 4.7MB
Download Assembly Pictures : - 372KB
Download All : - 7.5MB
