5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

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hp_
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby hp_ » Thu Dec 08, 2016 9:44 pm

Hi Kvirre,

always a pleasure to see your posts :):)

I've also been looking into raspberry pi's and the support of 2560x1440 resolution.
according to the manufacturer they have an image ready and hopefully will be released next week.. can't wait to have a speek at the config.txt

it looks like 2560x1440 is not supported out of the box by raspberry pi.. so i wonder how they solved it..

would would you want to go with nanodlp? there is another one.. Photonic3D

cheers,
hp

hp_
Posts: 301
Joined: Tue Dec 24, 2013 10:25 am
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby hp_ » Fri Dec 09, 2016 1:29 am

Hi everyone,

here is my largest print yet with the lcd printer



and here a close-up foto
IMG_4102.JPG


cheers,
hp

Kvirre
Posts: 140
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby Kvirre » Fri Dec 09, 2016 4:48 am


hp_
Posts: 301
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby hp_ » Fri Dec 09, 2016 6:16 pm

I think you are right about the resolution being supported.
i couldn't find 2048 x 1536 resolution in this page from Raspberry Pi


sooo that means.. I wait for the manufacturer or try something myself during the weekend :)

Cheers,
hp

Odd
Posts: 34
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby Odd » Sat Dec 10, 2016 7:24 am

Hi HP,

The printer arrived !!

A bit so-so put together but the hardware seems very solid indeed ! ..the plastic lid is orange for me not green ??

(And the lid came in pieces, badly made but hey...cheap)

What happens when you expose a layer less than 7sec ?

Have you found a good source for fep sheet ?

I intend to use the printer to print resin wax for direct to cast metal...

..so took a bet on this resin:

http://goo.gl/T3mKP6

Found a casting house in hatton garden / London that are willing to experiment. I'd be happy to share my findings !

[ quote="hp_"]Hi Odd,

7 seconds was my lowest, i might try 6.8 but i fear thats the lowest I can go with Industrial blend Fun-To-Do

With the printer 1 fep sheet is provided.
anything happening with the raspberry pi I will share :)

Cheers,

hp[/quote]

Odd
Posts: 34
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby Odd » Sat Dec 10, 2016 7:25 am

Sorry double post
Last edited by Odd on Sat Dec 10, 2016 7:35 am, edited 1 time in total.

Odd
Posts: 34
Joined: Sun Dec 04, 2016 5:48 pm
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby Odd » Sat Dec 10, 2016 7:27 am

Attachments
IMG_9263.JPG
IMG_9262.JPG
IMG_9259.JPG

Odd
Posts: 34
Joined: Sun Dec 04, 2016 5:48 pm
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby Odd » Sat Dec 10, 2016 7:32 am


Odd
Posts: 34
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby Odd » Sat Dec 10, 2016 7:33 am


hp_
Posts: 301
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Re: 5.5 inch (2560x1440p LCD) with UV LED array for under $600. :Proniks Sla 3d Printer,

Postby hp_ » Sat Dec 10, 2016 1:16 pm

Hi Odd,

I found a cheap fep supplier on aliexpress.. but i buy 60 dollars of fep on a roll 0.025mm, the lcd resin printer uses 0.1mm fep thickness
I am very interested in how they actually make the fep film tense. but i love the flex / pillow vat design

what i didn't like is that they use cross patter bolts in the vat instead of inbus..

sofar i haven't seen any banding issue on the z-axis.. i did see a shrink issue with my resin causing some warp :)

for the 7 seconds or below with fun-to-do resin, if you go below the resin will not cure enough.. and will give a failed print..
so there is a fine balence between to long and to short.. to long will give overcuring and gives inaccrucy in the build
to short cured resin is to soft and print object will fall appart on build plate..

good luck with your printing :)


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