Metalwork - Exam Papers - HL - Project - 1998

150 Marks

Instructions

Details of a Thermostatically Controlled Candle Extinguisher are show on the accompanying drawing.

  1. Make the project using the materials specified in the parts list.
  2. Design, manufacture and attach a candle holder to the model.
  3. Assemble the parts using the set screws supplied.
  4. Adjust and test using a 6 volt battery.

Parts List

Part No. Part Name Required Material and Description
1 BASE 1 PERSPEX
2 SUPPORT BRACKET 1 BRASS, COPPER OR ALUMINIUM
3 SPACER 1 PERSPEX
4 SPINDLE SPACER 2 BRASS
5 SPINDLE 1 BRASS
6 FORMER 1 ALUMINIUM, BRASS OR NYLON
7 ARMATURE 1 MILD STEEL
8 EXTINGUISHER CAP 1 ALUMINIUM
9 EXTERNAL SUPPORT BEAM 1 PERSPEX
10 BI-METALLIC STRIP 1 BI-METALLIC STRIP - Width : 10 - 15 mm, Thickness : 0.5 - 1.0mm
11 EXTINGUISHER ARM 1 BRASS OR STEEL
12 COUNTER WEIGHT 1 BRASS OR STEEL
13 CONNECTING LINK 1 ALUMINIUM OR COPPER

As Supplied

Part No. Part Name Required Material and Description
15 COIL 1 APPROXIMATELY 300 TURNS OF INSULATED COPPER WIRE Ø 0.6
16 CANDLE 1 WAX CANDLE (Ø8 - Ø15)
17 M5 x 6 SET SCREW 2 BRASS OR STEEL
18 M3 HEX SELF LOCKING NUT 2 BRASS
19 M3 x 6 SET SCREW 1 BRASS
20 M3 HEX NUT 1 BRASS
21 M6 x 20 SET SCREW 1 BRASS
22 M5 x 15 SET SCREW 2 BRASS
24 M5 HEX NUT 4 BRASS

Design Element

Part No. Part Name Required Material and Description
14 CANDLE HOLDER 1 AS DESIGNED AND MANUFACTURED BY THE CANDIDATE

Zip Files

Download Solidworks Parts, Solidworks Drawings, PDFs of Drawings. 3D images.