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SAMPLE SCHEME OF WORK - PAGE TWO - W.A.T.T. QUALITY AWARD
Year 8 CAD/CAM  Project

   
 
YEAR: 8 SUBJECT: D&T TITLE: CNC PROJECT
OBJECTIVE: To introduce the pupils to computer numerical control.
HWK=Homework N=Numeracy C=Citizenship L=Literacy ICT=Information Technology

STAGE

ADDITIONAL SKILLS

EXTENSION WORK

RESOURCES

Stage Four: Pupils will continue to process their design. Those that have completed the processing will manufacture using the CNC machine. A detailed demonstration will be given.

Pupils will start to shape the back of their design using fretsaws and hand tools. Demonstrations given on each technique.

The pupils will begin to record each stage of manufacture through a sequence drawing. They will be encouraged to rough out each stage as they work.
L. Pupils will list each stage of manufacture as part of a sequence drawing. This will be aimed at potential customers.
ICT. Processing and manufacture of designs.
N. Understanding of the conversion of graphic to coordinates.
C. An understanding of how important a sequence drawing can be as a tool of explanation for the general public.
HWK. Complete at least three stages of the sequence drawing.
Look at an instruction leaflet for a product of your choice. Evaluate it in terms of ease of understanding.
List ways in which it cab be improved.
CNC machinery and software.
General workshop tools and equipment.
Drawing and writing equipment.
Stage Five: Flow charts will be explained and their use in organising the manufacture of a product. The pupils will be asked to list the stages in order. Quality control will be emphasised with an example flowchart shown to the class.

The pupils will draw a simple diagram of a Boxford Duet labeling the important parts. Accuracy of drawing and printing - emphasised.
L. Pupils will be encouraged to think systematically regarding the manufacturing process. Stages of manufacture listed.
ICT. Pupils will be encouraged to draw flowcharts using graphics software.
N. Flow charts have a link to maths and programming.
C. Production lines discussed and working conditions.
HWK. Complete the flow chart and CNC drawing.
Draw the CNC flow chart using a graphics package. CNC machinery and software.
General workshop tools and equipment.
Drawing and writing equipment.
Stage Six: Product evaluation.
Pupils will be asked to explain two good points and critical points about their projects. To the rest of the class. The pupils will mark their own work and the work of others in terms of accuracy, aesthetics and colour. The marks will be recorded in a table. The pupils will work out the total for each pupil and the average mark. Marks will be converted to grades.
A graph will be produced relating to a selection of the marks/grades.
L. Keywords such as aesthetics and evaluation will be explained in detail.
ICT. Optional - some pupils may produce the tables on a spreadsheet.
N. Data collection and interrogation (average and totals) attempted.
C. Constructive criticism is a part of life. The role of constructive evaluations in school and the workplace will be discussed.
HWK. Complete data sheet.
Pupils to ask parents or responsible adult to evaluate their practical work. Findings to be presented carefully. CNC machinery and software.
General workshop tools and equipment.
Drawing and writing equipment.

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