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A project log for 110 / 230 V~ PCB Heated Bed

Meet the Makertum MK1, a 500W PCB heated bed that runs from mains voltage

moritz-walterMoritz Walter 07/07/2016 at 08:300 Comments

Pure Awesomeness Available Now

The Makertum MK1 kits from the pre-production are now available on Tindie and in the Makertum shop starting at €37 or $41, which includes free wordwide shipping.

Just like in the beta-testing phase, the heated bed comes as a full-kit that contains all the parts necessary to get you up and running. The SSR is optional, just in case you already have one.

Where to buy?

Makertum Shop
http://makertum.com/en/shop/recomended for EU customers
- native payment in €
- discounts for Bitcoin and Worldcore
Tindie Store
recommended for US customers
- native payment in $
- pure Tindie awesomness

XXL Printing News

So, where do we go from here? Well, it's a high performance 3D printer part, but it's main limitation is still size. The problem is, that if I just scale up the size of the PCB, it quickly becomes impossible to manufacture. I get a 90% yield from my current manufacturer now, and this number will go down dramatically on even larger PCBs, while at the same time, the product becomes more difficult to ship.

IMHO, the only reasonable answer is tiling. Tiling smaller heated beds to a larger area is comparably cheap, and costs scale linear with print area.

There are a few challenges to tackle, such as uniform heat distribution, temperature control, and mounting. So that's what I'm testing now. Large, tiled heated beds. Here a few impressions:

Basically, I'm trying to mill out the edges..

..to let them overlap with each other..

The result is a large heated bed. Hackaday Prize? I'll get a Nobel Prize for this!

Of course, the layout would have to be adjusted to cover the gaps between the boards, and it would be nice if there was a power bus, as well as a bus for the temperature feedback.

Print a whole leg prosthesis. In one piece. Because, why not?

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