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Build Your Own SLA/SLS • No printing
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No printing

Posted: Mon Dec 14, 2015 2:43 am
by akhilsnair
Hi,
I have been trying to build a SLA printer. I almost done setting up hardware. I am using Nema-17 for Z axis(no tilt mechanism) ,ACME threaded rod (pitch=2,start=4) and LM guidway for linear movement , Optoma E739 DLP projector and CNC shield with GRBL as controller. After finshing the mechanical assembly I tried to run a test print.It was a small cube of 20 x 20 x 20 mm. But it was a total failure. It seemed like resin doesn't show any reaction to projected image, means no print out put. Don't know what's problem here.Is it my projector or resin??
My resin is B9Creations B9R-1-RED

I hope you guya can help me here.
Thankyou

Re: No printing

Posted: Fri Dec 18, 2015 8:31 am
by akhilsnair
do you guys have any idea why is this happening?
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Re: No printing

Posted: Wed Jan 06, 2016 12:53 pm
by James
The only thing I can think of is UV filters in the projector are blocking all wavelengths necessary for photopolymerization.