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09-01-2015, 06:04 AM #5
- Join Date
- Oct 2013
- Posts
- 110
Probably just because of speed. Even a super-quick servo will take maybe 100ms to get reposition the disc, whereas the electronics to turn the laser on/off can probably operate in microseconds easily. Then there are all the issues with fast mechanical devices - wear and tear, backlash, vibration, electrical noise (digital servos do horrible things to the power supply lines). Finally, if the disc is blocking the laser, either it's absorbing that energy (and warming up) or it's reflecting it (potentially onto something that won't appreciate a lot of UV light, like the bottle of resin sitting next to the printer).
Please explain to me how to...
Today, 12:15 PM in 3D Printer Parts, Filament & Materials