Computer Aided Design and Manufacturing | A Level Notes Information Technology 9626

Описание: CAM: Computer-Aided Manufacturing

CAD uses vector graphics to create objects in both 2D and 3D. Objects can be stretched, resized and moved. Properties like material and color can be changed. Object libraries will be available within CAD software so that the user can select standard objects to use in their design. CAM involves the use of computers to manufacture physical products - this is usually through the use of robotics and/or 3D printing.

Advantages

● Expensive prototypes are not always necessary since 3D models can be viewed from many angles.

● CAD drawings can be easily modified without any manufacturing cost until a final version is completed.

● A list of required materials can be generated from CAD drawings.

● Components that have been designed once can be reused.

● CAD requires fewer designers, so it is cheaper for businesses.

● CAM enables products to be mass-produced consistently since it can deal with tiny measurements and is more precise.

● CAM removes the need for manual labor and reduces costs.

Disadvantages

● Both CAD and CAM have led to the loss of jobs.

● A prototype is always needed - testing using a model is inaccurate.

● CAD software is very complex and trained employees are needed.

● Initial costs of purchasing CAD software can be high.

● CAD designs may include errors made by the designer.

● Looking at a model is never the same as holding a real product.
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