DVD reader is a SLA printer

General discussion of topics that don't seem to fit anywhere else.
FR3Dprint
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DVD reader is a SLA printer

Postby FR3Dprint » Mon Dec 22, 2014 3:42 pm

it works !!! done last week-end:


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PomeroyB
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Re: DVD reader is a SLA printer

Postby PomeroyB » Mon Dec 22, 2014 6:00 pm

Nice work! I'd love to see a video of it in action.

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PacManFan
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Re: DVD reader is a SLA printer

Postby PacManFan » Mon Dec 22, 2014 6:18 pm

Very impressive! I see that they are using a CD as a first-surface mirror.

FR3Dprint
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Re: DVD reader is a SLA printer

Postby FR3Dprint » Tue Dec 23, 2014 1:38 am

tx u all.

the video can be seen on the FB page.

actually, the miror is a hdd and not a cd. optical miror are expensive and hard to find.... while a old hdd... there are tons around u ! the quality is fine and I see no difference with optical miror for printing. (I'd tested both).


FR3Dprint
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Re: DVD reader is a SLA printer

Postby FR3Dprint » Mon Dec 29, 2014 12:11 pm

For the French readers or Google Translate users, you could see my website which was severely updated today, with infos on the control board and V2 printer pages.
Enjoy.


FR3Dprint
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Re: DVD reader is a SLA printer

Postby FR3Dprint » Wed Dec 31, 2014 2:20 pm

Print of the day:

Image

25mm high with 50µm / layer (max resolution limit of the DVD reader).


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PomeroyB
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Re: DVD reader is a SLA printer

Postby PomeroyB » Wed Dec 31, 2014 5:37 pm

Very nice print! Looks good!

CAP257RM
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Re: DVD reader is a SLA printer

Postby CAP257RM » Thu Jan 01, 2015 8:26 am

I'am following this project and I have tested a dvd with a controller board toshiba TB6560 but I don't find the number of the steps for a right positioning of the plate. I have set the controller at half step, current 20%, voltage between 5v and 12v, steps between 9 and 9,15 (I need the right number). I use grbl firmware and to move the plate Universal-G-Code-Sender.

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cncbasher
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Re: DVD reader is a SLA printer

Postby cncbasher » Thu Jan 01, 2015 9:15 am

dvd's steppers are pretty standard try 20 steps

dvd motor spec ( resonably standard )
pl15s020.pdf https://github.com/taksan/Arduino-Lab/b ... 15S020.pdf

the problem you will have is that the tb6560 , suit 1.8 deg steppers , where dvd steppers are 18 deg per step
so they probably will not be optimum .

you'll find full step is better for these drives , however i do not think the tb6560 goes to full step , i think the lowest is half step
so probably a basic L298 Circuit may be better , i dont know .

CAP257RM
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Re: DVD reader is a SLA printer

Postby CAP257RM » Thu Jan 01, 2015 2:38 pm

Thank, tommorrow morning I'll do some experiments.


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