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Heated Bed


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Hi,

we are going to install a heated platform in our Ultimaker.

After searching in other forums, we decided to go by the "heated wolfbed" from the reprap forum.

The heater is a silicon-heat-mat, which is attached to an aluminium plate, where we print on.

The temperature is measured by a 100kOhm Thermistor and controlled by PID.

But there are still a lot of questions.

Has anyone tried to install similar platforms in his Ultimaker, so we can exchange experiences of our heated beds?

We are happy about every answer.

Greetings, Johannes

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    If you look on thingiverse you'll find someone who installed a heated glass bed on his ultimaker. Glass has the advantage over aluminium that it's very straight as far as I understood. But it is more fragile.

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    Hey! What a coincidence. I was just going to write a topic about this. :)

    I have bought a heated bed "PCB-type". (

    http://www.ebay.com/itm/270860324146

    )

    I have some questions regarding the install, but the Ultimaker hasn't arrived yet so some questions might solve themselves when it arrives.

    There should be a connector on the Ultimaker controller for the bed, and the electronics is mounted, but do I need a separate power supply?

    This bed should have 12v and about 10A at 100% PWM.

    What type of temp sensor is "supported" by the controller?

    tpulti-bt wrote 100kOhm Thermistor, I suppose it should be a NTC type?

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    I'm interested in hooking up a thermistor as well I'm just a little vague on the exact "how."

     

    According to what I've seen you can hook a thermistor up to the temp2 or temp3 on the board but I don't know which of the three pin to hook the two wires. Either: Signal and Ground or Signal and 5V. I'd hate to blow something up.

    There also needs to be a change in the firmware to read the heated bed temp.

    -b

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    Posted · Heated Bed

     

    According to what I've seen you can hook a thermistor up to the temp2 or temp3 on the board but I don't know which of the three pin to hook the two wires. Either: Signal and Ground or Signal and 5V.

    -b

    We go by 5V-100kOhmNTCThermistor-Signal and Signal-100kOhmResistor-Ground. But still... we have not tested it yet.

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    I'm looking to install a heated bed on my ultimaker as well. But I have no idea where to start.

    So I'm very interested to know if someone successfully did it and if so if he/she would be kind enough to share how?

    I'm thinking to order the following pieces and then try to assemble them:

     

    -MK2 heated bed

    -thermistor such as EPCOS

    -Could someone advise me on what type of external alimentation is needed?

    -I'm still not getting how the heat is controlled?

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    The heat is controlled by the 2nd heater and temperature sensor.

    Ultimaker might come with a heated bed, they had a few machines on show with heated beds on show this monday.

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    Nice do you know if the heated bed was also available as a kit to install on older ultimaker?

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    Nice do you know if the heated bed was also available as a kit to install on older ultimaker?

    Well, it fitted right on the existing model, and the electronics are prepared for it. So you would expect a kit version. But I didn't talk to the Ultimaker team about it (we had so much to talk about :p and so many people to talk to)

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    Well, I am sure that it will come as an upgrade (for older machines) and an extra addition for the newer machines. Should wait and see ;)

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