Machines Flashcards Preview

Technology GCSE > Machines > Flashcards

Flashcards in Machines Deck (6)
Loading flashcards...
1

How does a vacuum former work ?

In vacuum forming a sheet of thermoplastic is clamped and heated until it's soft. A mould is then placed into the vacuum former and the air is sucked out from around it. This either pulls the plastic owner or allow it to be removed from the formed thermoplastic sheet

2

What is CAD?

CAD stands for COMPUTER AIDED DESIGN. it is particularly good for producing working drawings and 3D computer models

3

Advantages of CAD ?

That produce high quality and consistent drawings
Information can be easily stored electronically and transmitted for example e'mail

4

What is CAM ?

CAM stands for COMPUTER AIDED MANUFACTURE. it is a process that converts drawings produced by CAD into actual products.

5

What are CNC machines ?

CNC stands for COMPUTER NUMERICAL CONTROL

6

Example of an CNC machine ?

Laser cutters
Plastic
Wood card
Intense beam of light used to cut
No clamping of material required
Simple and complex shapes can be cut