Metalwork - Exam Papers - HL - Project - 2017

150 Marks
To be completed by Friday 7th April 2017

General Instructions to Candidates

The project you make and submit for examination, including the design element, must be your own individual work, carried out in the school under the supervision of the teacher.

Your own individual work is intended to include the intellectual activity of design along with the practical activities of making the project.

Note: For further information on this project please see the video at the URL shown below.
https://www.examinations.ie/video/index.php/metalwork2017

Instructions for Making the Project

  1. Details of a Model Autonomous Search Vehicle are shown on the accompanying drawing.

  2. Make and assemble the Project using the materials specified in the Parts List.

  3. Design, make and attach a separate unit for each side of the model, which will securely hold the Battery Holder (Part 30) and act as a mudguard for the Wheel (Part 28).
    (Note: 20% of the marks will be awarded for this section.)

  4. Complete, test and solder the Electric Circuit.
    Spade clips can be used with the micro-switch, if desired.

  5. Your Examination Number must be clearly shown in the position indicated on the drawing.

  6. Your completed project, clearly identified with your Examination Number, must be available to
    the visiting examiner along with the necessary testing equipment.

Parts List

Part No. Part Name Required Material and Description
1 Top Cover 1 3mm, Clear Acrylic
2 Central Cover 1 1.5mm, Aluminium
3 Gearbox Coupling 1 Ø10mm, Brass
4 Slotted Link Support 1 Ø20mm, Nylon
5 Slotted Link 1 3mm, Aluminium
6 Chassis 1 1.5mm Aluminium
7 Top Motor Spacer 1 2mm, Aluminium
8 Search Light Holder 1 1mm, Aluminium
9 Micro-switch Clamp 1 Aluminium Angle
10 Sensor Arm Pivot 1 10 x 10mm, Aluminium
11 Crank Arm 1 3mm, Aluminium
12 Sliding Pin 1 Ø6mm Brass
13 Search Light Support Column 1 Ø8mm Brass
14 Sensor Arm 1 Ø3mm, Aluminium Rod
15 Support Column Screw 1 M6x10, Allen Head Note: Mild Steel

As Supplied

Part No. Part Name Required Material and Description
16 Screw 4 M3x8, Pan Head or Allen Button Head, Steel
17 Screw 6 M3x25, Pan Head or Allen Button Head, Steel
18 Screw (Switch Clamp, Sliding Pin & Pivot) 3 M4x16, Pan Head or Allen Button Head, Steel
19 Screw (Crank Arm to Coupling & Light Support) 2 M4x10, Pan Head or Allen Button Head, Steel
20 Screw 1 M6x40, Allen Head, Steel
21 Screw 1 M4x35, Pan Head or Allen Button Head, Steel
22 Grub Screw (Coupling x 2, Pivot x 1) 3 M4x4
23 Nut 10 M3, Steel
24 Nut 5 M4, Steel
25 Nut 1 M6, Nylock
26 3V Motorised Gearbox 3 In-Line Motor / Ratio 110:1
27 Motor Bracket 2 As Supplied
28 Wheel 2 Ø68mm x 25, to suit gearbox spigot
29 Castor + M8 Nut 1 Ø40mm, with M8 x 8mm spindle
30 Battery Holder 2 AA x 1
31 Switch 2 Toggle & Micro-switch with Roller Lever
32 LED + Holder 1 As Supplied
33 Resistor 1 330Ω
34 Insulated Wire   As Required

Note: 20% of the marks will be awarded for Assembly, Finish and Function.

Design Element

Part No. Part Name Required Material and Description
35 Mudguard / Battery Holder Holder 2 As Designed

Wiring Diagram

Zip Files

Download Solidworks Parts, Solidworks Drawings, PDFs of Drawings, 3D images. These files will be made available during September 2017