Hi all, I have problem with my DLP projector. I use mitsubishi lvp-hc900j , 250w UHP lamp, 1400 lumens. I remove the color wheel and start the DLP projector, i...
7801
mr.thanduc
chukhivuitinh
Jan 4, 2013 3:15 pm
it's amazing, can you show me the name of dlp you use?...
7802
pzamov
Jan 4, 2013 4:25 pm
Hi mr.thanduc, read the "Hardware"; section on the http://3dlprint.com or http://3dlprint.blogspot.com It is a Dell 5100MP. Cheers! Peter...
7803
digitalthump
Jan 5, 2013 8:49 pm
I started building a resin printer based on the specs of Peter's machine 3dlprint.com I've since purchased a B9creator and have no plans to complete this...
7804
Maxi Bertotto
tiwanacote
Jan 6, 2013 12:51 am
Peter! amazing Job! Congrats! One question: Wich program are you usign for support material generation? Its free? Regards!Maxi ... De: pzamov...
7805
pzamov
Jan 8, 2013 8:31 pm
Hi Maxi, I have used Materialise Magics trial for one month, but it is just hell to place supports. I use my CAD software to place the supports ahead of time...
7806
mr.thanduc
chukhivuitinh
Jan 9, 2013 4:47 am
You use original DLP or mod somethings ?...
7807
pacmanfan321
Jan 9, 2013 5:27 pm
Hey Everyone, I've been working recently on building a UV-Resin based 3d printer with a DLP projector. One thing that I have noticed is the complete lack of...
7808
Michael Joyce
b9creations
Jan 9, 2013 5:57 pm
"One thing that I have noticed is the complete lack of open-source software for UV-Printers." Perhaps you missed our software/firmware? It allows you to layout...
7809
garyhodgson
Jan 9, 2013 6:15 pm
Hi, Just to also counter the "complete lack of open-source software for UV-Printers" :) I modified and expanded the DLP module of Kliment's Pronterface:...
7810
afogassa
Jan 9, 2013 6:34 pm
Thank you pacman, ANY contribution to this forum is and will always be welcome even if there is small diference in software, thank you again....
7811
wi1d_ey3d_jok3r
Jan 10, 2013 3:44 am
TLDR: Has anyone here experimented with coating the bottom of the resin vat to reduce layer adhesion and reduce separating force? What have you tried? What...
7812
wi1d_ey3d_jok3r
Jan 10, 2013 3:54 am
Cure time will depend entirely on the intensity of your projector and on the critical exposure of the photopolymer resin. These values vary significantly...
7813
kurt_landin
Jan 10, 2013 4:01 am
A few of us were using sylgard 184. http://www.dowcorning.com/applications/search/default.aspx?r=131en It is transparent to uv light and does not stick to the...
7814
wi1d_ey3d_jok3r
Jan 10, 2013 4:01 am
I believe the color wheel optically is after the DMD, so removing it shouldn't influence anything prior to the DMD like the optical component you described....
7815
mr.thanduc
chukhivuitinh
Jan 10, 2013 4:03 am
Polydimethylsiloxane (PDMS) I think it usefull for you: http://www.kickstarter.com/projects/b9creations/b9creator-a-high-resolution-3d-printer/posts/283232...
7816
wi1d_ey3d_jok3r
Jan 10, 2013 4:10 am
Does anybody know where I could buy the Teflon film with an adhesive backing? Is there an online vendor or local distributor locator? I found some, but they...
7817
Michael Joyce
b9creations
Jan 10, 2013 4:44 am
PDMS will last a long time if you don't "overcure";. We use a sweeper to clear the resin from the PDMS each cycle, that exposure to atomospheric oxygen helps...
7818
Graham Stabler
eexgs
Jan 10, 2013 11:40 am
It should be noted that no coating will (probably) ever prevent the sticking problem caused by surface tension as opposed to glue type adhesion. This is why...
7819
pzamov
Jan 10, 2013 11:55 am
Hi mr.thanduc I have as others in the group modded the focal distance of the projectors, so they can display @ say 100mm from the VAT.. Cheers! Peter...
7820
Henrique Serro
rgbcolormonitor
Jan 10, 2013 11:59 am
Hi there ... I'm a group member for a while now but not the most active one. I've been around mostly reading and gathering knowledge from your contributions. ...
7821
pzamov
Jan 10, 2013 12:02 pm
Hi Wild, I have coated the VAT with: 1-Aquarium silicone - no go 2-release silicone for molds - no go 3-Rain X / Fog X - no go 4-lined the VAT with an adhesive...
7822
Michael Joyce
b9creations
Jan 10, 2013 12:10 pm
Hello Henser, 1. Yes, D535 is correct. 2. No name brand z azis, we just use rods, linear bearings, threaded rod and anti-backlash nut. I've no experience with...
7823
Henrique Serro
rgbcolormonitor
Jan 10, 2013 12:57 pm
Hi all ... I'm thinking on using a short-throw BenQ projector ... the MX613ST i.e. They are inexpensive overall, lamps are low-cost and durable and, being ...
7824
kurt landin
kurt_landin
Jan 11, 2013 3:24 am
http://www.amazon.com/Digital-Concepts-Close-Up-Specified-Description/dp/B001KW8DXI/ref=cm_lmf_tit_11 I use these...
7825
pzamov
Jan 11, 2013 8:23 am
Hi Henrique, we have not measured the difference between the projectors, or different manufacturers, but I have experimented when I started with curing Dymax...
7826
pzamov
Jan 11, 2013 8:40 am
Hi Kurt, I started with that type of lens and later modified the projector throw optics with spacers to be used without any other correction. Cheers! Peter...
7827
Francis Leach
francis_leach
Jan 11, 2013 12:23 pm
Pzamov I am using a projector from OBIS ( 1280 X 700 native ) but in order to get the focussed image down to around 64mm wide I have to add approx 70mm of ...
7828
surfer15a
Jan 12, 2013 8:09 pm
I hope its not rude to post a wanted ad here. I thought this community might have a lead on such a printer, which can be hard to track down. I feel like some...
7829
pzamov
Jan 12, 2013 9:37 pm
Hi Kyle, Check Ebay - there is one listed currently and also search with: onecraigs.com - there are plenty listed there. Cheers! Peter...
