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Thread: Affordable projector as source for DLP SLA?

              
   
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    Affordable projector as source for DLP SLA?

    As topic, anyone got a recommendation on a affordable DLP projector good enough for SLA?
    Resolution/price etc..

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    There are really two things to look for. You want higher resolutions(1080 better than 720) and higher lumens. Higher resolution projector means higher resolution prints, higher lumens means faster cure times.

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    Thank you. I was also thinking about the wavelengths that the projector outputs. Some of them outputs more UV than others which makes a UV-resin perfect. I just know that resin is relatively expensive so this factor might be worth checking out!

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    Here is another link to a child of the Tristram Budel version
    http://3dprintzothar.blogspot.ca/201...p-printer.html
    If the link doesn't post, search for adventures in diy engineering 3d dlp printer

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    "Little Dipper" SLA/DLP 3D printer overview

    This Instructable is about building a simple yet versatile resin (SLA) 3D printer that uses a cheap DLP projector to build the part from the "top down". This orientation of the light source is similar to other large scale industrial SLA machines. It has some advantages in simplicity, scalability and disadvantages in minimum feature size and print time.

    This version build is budget conscious, has a low part count, can easily be upgraded and scaled in size. The entire 3D printer (projector and resin included) can be built for just about $500 or less which makes it one of the cheapest bang-for-your-buck 3D printers using SLA resin out there.

    There are many good Instructables and resources that contain more exhausting detail about DLP resin 3D printers and background information. If you are interested in learning more about this http://www.buildyourownsla.com/forum/ will be one of your best community resources for knowledge relating to the topic.

    Autodesk Spark recently released more information and support data for SLA 3D printers that use DLP chips. As their project develops, more DIY applications might emerge.
    How it works
    A DLP projector is used to cure UV setting resin one layer at a time while a moving axis drops incrementally into the vat of resin. A projected slice cures each layer and builds the part. This style of resin printer is different from a FormLabs 3D printer and some others in 2 ways.
    1) It uses a DLP projector rather than a laser to cure each layer.
    2) It shines the light source from the top rather than up from the bottom.

    Advantages over laser based bottom up and DLP bottom up designs:
    Simplicity
    Lower start-up cost
    Modifiable to bottom up
    Fast build (~1 evening)

    Major Components and Materials:

    DLP projector
    There are 2 known choices, although others may work.
    1) Acer P1283 DLP Projector (eBay or other online)
    2) Acer H6510BD DLP HD projector (eBay or other)
    3d printing service delhi mumbai pune
    thanks.
    visit: http://vexmatech.com

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