Paper 3 June 2023 32

A: Any 3 specification points from the list below:

Appropriate size to fit hand

Must be comfortable to hold

As lightweight as possible

Easy to read numbers and symbols

Well-spaced numbers and symbols

Button placement

Aesthetic features must be qualified

Q: State from the list below the correct name for the types of grain labelled at A and B in Fig. 2.1

A: A end (grain)
B short grain

Q3. Complete Table 3.1 by stating the name of the components B, C and D of a cross-sectional view of an injection moulding machine

A: 

B heater/heating chamber
C feed screw
D mould, die

Q4. Complete Fig. 4.1 by drawing the plug over which the yoke will fit to produce the press formed moulding.

SAD to add sketch of Plug which shows the shape of plug must fit inside yoke; the draft angle on the plug; dowel pegs to locate in yoke

Q5. Circle from the list below one metal that is a pure metal.

A: Aluminium

Q6. Fig. 6.2 shows a piece of 1 mm thick brass, marked out, ready to produce the keyhole shape. Use sketches and notes to show how the keyhole shape could be produced from the 1mm thick brass. Name all the tools and equipment used.

SAD to add sketches and notes to explain the process. In answer refer to drill holes at top and bottom centres; Insert blade of saw (piercing, coping, power fret saw / scroll saws with metal cutting blade, abra file saw) and remove waste; Use of files / needles files to finish keyhole shape. 

Q7. Fig. 7.1 shows a table number stand used in a cafe and a development (net) of the stand.

(a)  Name a suitable non-ferrous metal for the number stand.

A: Brass, Aluminium, Copper, Gilding metal, Duralumin

(b)  A batch of 20 number stands will be made in a school workshop.
Describe how 20 identical number stands could be marked out onto a sheet of metal.

A: Use of a template / tessellation / stencil / marking jig. Suitable marking out tool: scriber / chinagraph pencil / marker pen / felt tip pen

Q8. Fig. 8.1 shows a through housing joint marked out on a length of hardwood.

Complete Table 8.1 by describing the process each tool is used for when marking out and/or cutting out the through housing joint.

A: Cutting gauge to mark out the lines of the housing across the grain [1] Tenon saw to saw down the lines of the housing, cutting out joint [1] Bevel-edge chisel to remove the waste wood [1]

Q9. Circle from the list below one material that is biodegradable.

A: Hardboard

Q10. Fig. 10.1 shows a trophy made of 5 mm thick acrylic. The trophy has been produced using CAD/CAM. The words ‘Top Team 2023’ have been engraved on the star shape of the trophy. 

Complete Table 10.1 by describing three stages that could be carried out to produce the engraved words on the star shape of the trophy using CAD/CAM.

A: Stage 2 transfer data to CNC machine [1]
Stage 2 position workpiece on bed of CNC machine [1]
Stage 3 set machine parameters [1]