Materials, Processes and Maintenance Flashcards

1
Q

What’s your knowledge of Materials?

A

Know the main category areas:

  • Wood/timber
  • Metal
  • Plastics
  • Fabrics, fibres and yarns

Sub-grouping within your category/categories - Hardwoods and Softwoods

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2
Q

Properties

A
  • Hardness
  • Strength
  • Durability
  • Elasticity
  • Ductility
  • Corrosion resistance
  • Ease of machining
  • Thermal conductivity
  • Electrical conductivity
  • Wear resistance
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3
Q

How can you test for hardness?

A

Drop a 12 mm ball bearing from a specified height (e.g.
300 mm), and compare the size of indentation and measure the height the ball rebounds. Harder surfaces will rebound further and not mark from the impact.

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4
Q

How can you test for strength and durability?

A

Hang a load from the material sample, increasing the load
until failure occurs. Measure the weight required to break
the sample.

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5
Q

What do you know about caring and maintaining of products (made from timber)?

A

Know basic repair, maintenance and how to clean procedures for common materials and product types in your category to keep their appearance and to prolong their life.

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6
Q

Can you describe and draw production processes?

A

Know at least 4 or 5 production processes, including some with difficulty – describe what they look like (diagram), when then can be used and their advantages (eg. strength, speed, flexibility, etc.).

Think about how they might be altered for mass production.

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7
Q

What do you know about managing risk - Risk Assessment?

A
  • Identify hazards.
  • Analyze or evaluate the risk associated with that hazard.
  • Determine appropriate ways to eliminate or control the hazard.
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