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03-30-2016, 03:04 PM #28
- Join Date
- Nov 2015
- Location
- Oklahoma
- Posts
- 22
Pause, Dunk, Print
From another suggestion: the flag signal could also trigger dunking a displacer in the print tank to raise the resin level momentarily and ensure the previously printed slice is evenly covered with fresh liquid resin. The displacer would have a tapered base to minimize waves and a time delay would be programmed for resin to flow off the displacer and any disturbance of the resin to settle before the next slice is printed. A micro controller (R-Pi?) and stepper motor would lower and raise the displacer, with a sensor to maintain the approximate depth of displacement as the resin rises in the tank, and keep the tip of the displacer just under the surface to prevent drips during the print. The displacer would begin to lower when the flag indicates the laser has completed scanning the current slice, while the drip system is running. When the solenoid stops the drip, the displacer would be raised as quickly as can be done without undue disturbance of the resin.
My 3D Norn Emissary print
09-13-2024, 02:28 AM in 3D Printing Gallery