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REVISION CARDS - STEREOLITHOGRAPHY | ||
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WHAT IS STEREOLITHOGRAPHY? Stereolithography starts with a design produced through the use of CAD software. The 3D design is exported as a STL file (Standard Tessellation Language). It is this file, that is used to drive the SLA ( StereoLithographic Apparatus) machine, which manufactures the product / component.
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HOW STEREOLITHOGRAPHY WORKS The component is ‘built’ on a platform, which moves down microns ( a micron = one thousandth of a millimetre) at a time. The laser solidifies a layer of resin before the platform moves down, and solidifies the next layer. This process continues until the component is complete.
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ADVANTAGES OF STEREOLITHOGRAPHY Ideal for the manufacture of prototypes. |
STEREOLITHOGRAPHY - SAMPLE PRODUCTS / COMPONENTS |
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EXAMINATION QUESTIONS | ||
1. What does STL mean. What does SLA mean. 2 marks | ||
STL: | ||
SLA: | ||
2. Describe the process called stereolithography. 4 marks | ||
3. Explain ONE advantage of stereolithography. 2 marks | ||
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