CAD & CAM Systems
Teacher recommended
?- Created by: Lilly_B
- Created on: 23-04-15 21:17
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- CAD & CAM Systems
- Computer Aided Design (CAD)
- CAD systems have made it easier for a designer to produce an idea that looks realistic
- CAD software produces:
- Orthographic 2D drawings
- 3D virtual reality models
- a wide ange of symbols & dimensions which can easily be placed onto a drawing
- CADis much quicker & less time consuming rather than drawing it by hand
- Objects can be drawn with great accuracy & can be scaled, rotated, or reflected
- Drawing can be viewed by any angle with CAD
- It is easy to make changes during any stages of drawing
- CAD can stimulate how a product can perform without using expensive testing methods
- CAD stores a lot of information - saving office space
- Shapes, sizes, colours, & surface textures can be easily altered
- The CAD system can use a 'wire frame' technique where you can view right through an object (called virtual modelling)
- Rapid prototyping takes virtual designs from CAD & uses a modelling machine to see what the object will look like before final construction
- Computer Aided Manufacture (CAM)
- Used by engineers & machinists to make the product thats been designed
- Computers that control the manufacture of a product are sent instructions via VAD to make compartments of that particular product
- Signs can be made from vinyl using a CAM cutter which works with a blade, plotting & cutting from coordinates given by a computer
- When the shape is completely cut, the baking can be peeled off the vinyl & placed onto the signs surface
- A CAM cutter can only cut shapes & not digital images
- Manufacturing processes in industry are using computerised machines because:
- When programmed properly computers make less mistakes
- Increased productivity & less human labour required
- The standard of manufacture is very reliable & consistent
- CAM can replace jobs that are dangerous for people to do (e.g. car manufacturing)
- Computer Aided Design (CAD)
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