ASSIGNMENT- desk tidy QUESTION 1

1. Choose 2 machines that you used in the fabrication of your desk tidy. With these machines in mind, outline WPH&S considerations that must be adhered to when using these machines. Include photographs of your chosen machines (OnGuard may be an excellent resource for this question).
2. The material you are using for your desk tidy is called Polymethylmethacrylate (ACRYLIC). It has specific properties and uses.  Choose 2 other common polymers and in table form give their industrial name, common name, properties and uses
3. Extrusion, injection moulding, compression moulding, vacuum forming and laminating are examples of common manufacturing processes used with polymers (Plastics). Choose one process and with the use of diagrams and bullet points outline the process.
4. Extension Work - Using processes acquired from your maths lessons, calculate the amount of acrylic sheet that your FINAL desk tidy represents. Show all calculations; answer needs to be in square metres.

ANSWERS

Q1.

DISK AND BELT SANDER-WPH&S:

SAFETY GEAR

• glasses(eye protection)
• mask(optional- to reduce breathing in dust)
• apron 

HAZARDS/RULES

• hand and shirt sleeves (clothes) can get caught in the sander
• your hair being caught (keep your hair tied up and don't lean to close the sander)
• your skin coming in contact with the sand paper
• flying debris or dust can come in contact with you skin or if you are not wearing glasses, your eyes.

BAND SAW

SAFETY GEAR

• glasses (eye protection)
• apron

HAZARDS/RULES

• when cutting an object always keep your attention on what you are cutting
• make sure straight after you are finished using the saw to turn it off.
• stand with two feet apart (make sure you are balanced)
• Keep your fingers away from the blade or you will cut your self
• dont put your face close to the blade