From the course: Additive Manufacturing: Resin 3D Printing
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Tolerance and clearance
From the course: Additive Manufacturing: Resin 3D Printing
Tolerance and clearance
- [Instructor] If you want to print parts that will fit together or parts that'll connect to some preexisting object you'll have to consider the tolerances of those parts. Resin prints have the potential to produce much smoother surfaces then some other printing technologies. However, there are many factors that affect the tolerances of the final print. - [Instructor] The first thing to consider is the lighting technology you are using. The layers created by DLP and LCD printers are made up of pixels like print layers in Z pixel based techniques also work in discreet steps in X and Y. This means any surface can be off by as much as half the pixel pitch in those directions. Placing your print at an angle will make most surfaces vary in two or three axes at once allowing some of these issues to average out. If your light source isn't perfectly focused there will be an area around the edge that receives less than the full…
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