[Video]Acer P1283 Modification Tutorial

What projectors work, how to modify them and how to make them work
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brent
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[Video]Acer P1283 Modification Tutorial

Postby brent » Wed Aug 20, 2014 12:04 pm

I filmed and edited this video yesterday. It includes advice from Guanu and John's post as well as some of my own.

There is a big difference (audio and video) between SD and HD on this video, please watch it in HD if you are able to.
Image

Video: https://www.youtube.com/watch?v=d2-g494 ... e=youtu.be

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Re: [Video]Acer P1283 Modification Tutorial

Postby sgraber » Wed Aug 20, 2014 1:07 pm

What modifications did you specifically make to the 1283? I'm at work and can't watch the video. :P

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guanu
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Re: [Video]Acer P1283 Modification Tutorial

Postby guanu » Wed Aug 20, 2014 1:14 pm

it just shows how to take out the UV filter off the bulb housing, and how to remove the zoom stop screw and kick the zoom past the stop so you can focus close

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Re: [Video]Acer P1283 Modification Tutorial

Postby sgraber » Wed Aug 20, 2014 1:17 pm

Would be interesting to know how much UV that filter is removing. I'm using the P1280 in my LittleRP and all I did was adjust the focal length of the lense. I did not remove the UV filter and I'm getting right around 10.2 mW/cm^2 UV from my setup.

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Re: [Video]Acer P1283 Modification Tutorial

Postby guanu » Wed Aug 20, 2014 1:20 pm

I can print subSF with the filter in place, but when I tried G+, it wouldnt print... at all... now with it removed, I'm running 500ms exposures and its printing fine

Guanu

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Re: [Video]Acer P1283 Modification Tutorial

Postby sgraber » Wed Aug 20, 2014 1:43 pm

Do you have the UV filter at SeeMeCNC? If so, I could stop over after work today and grab it and use my UV meter to see how much UV it filters out on my system.

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Re: [Video]Acer P1283 Modification Tutorial

Postby sgraber » Wed Aug 20, 2014 1:45 pm

guanu wrote:I can print subSF with the filter in place, but when I tried G+, it wouldnt print... at all... now with it removed, I'm running 500ms exposures and its printing fine

Guanu



I find that odd as the SF resin is a 'slower' curing resin than the G+, and it uses the same photoinitiator.

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Re: [Video]Acer P1283 Modification Tutorial

Postby JohnStack » Wed Aug 20, 2014 1:46 pm

Brent recommends that this is the one that is purchased?????
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Re: [Video]Acer P1283 Modification Tutorial

Postby brent » Wed Aug 20, 2014 1:52 pm

JohnStack wrote:Brent recommends that this is the one that is purchased?????


Whichever projector you purchase is absolutely fine. However, this is the one that is currently being tested by Guanu and possibly JJ.

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Re: [Video]Acer P1283 Modification Tutorial

Postby guanu » Wed Aug 20, 2014 2:00 pm

sgraber, yes I have the filter here still... not in the machine, but I have it lol... trying to dial in exposure to layers is "fun" during testing lol..

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Re: [Video]Acer P1283 Modification Tutorial

Postby sgraber » Wed Aug 20, 2014 2:02 pm

Can I stop over this evening and pick it up?

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Re: [Video]Acer P1283 Modification Tutorial

Postby guanu » Wed Aug 20, 2014 2:09 pm

what time? I'll prolly be here till almost 5, feel free to come by.

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Re: [Video]Acer P1283 Modification Tutorial

Postby sgraber » Wed Aug 20, 2014 2:14 pm

I can be there at 5, or a little before. If you have to leave before that, just let me know where you've hidden it outside. PM me here or email me @ sgraber@gmail.com.

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Re: [Video]Acer P1283 Modification Tutorial

Postby sgraber » Wed Aug 20, 2014 4:25 pm

Crap, I'm not going to make it at 5pm guanu. :( How about tomorrow?

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Re: [Video]Acer P1283 Modification Tutorial

Postby guanu » Wed Aug 20, 2014 4:29 pm

fine by me... I'll be here

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Re: [Video]Acer P1283 Modification Tutorial

Postby wjsteele » Sat Nov 29, 2014 10:12 am

So, what kind of image time should I be setting in the Creation Workshop software. The default was two seconds, but I bumped it to 5 for testing and it seem to work... but I'm going to lower it back to find the limits.

Here is the first print... took about 2 hours and 45 minutes.
WP_20141128_21_41_01_Pro.jpg

Bill


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