My Delta
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330mm diameter with 450mm height.
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@craig How are you finding the tightening of the wheels on the 20x60 carriages? it looks like the brackets are sturdy but they dont appear to have adjustments
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@t3p3tony All the wheels on one side have fitted eccentric spacers. As they are rotated they move the wheel into the v-slot. Once adjusted the nut on the axel is tightened to hold them in that position. They are integral to the openbuilds system.
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For stability I wanted no plastic parts in the frame. I have followed other builds and for this size printer most are using materials custom cut on a CNC or water jet. I could not justify a $20 13" x 13" x.125 build plate being custom cut for $150. My top and bottom plates together cost $40 and would have cost another $200 to have them professionally cut. So the basis of my build is to cut all of my materials myself and use drill jigs to give me the necessary accuracy for this build. My tools include a 12" radial arm saw, a 10" table saw, a jig saw and a scroll saw, along with a drill press and misc. hand tools. Right now I am in assembly having cut my plates and just received the v-slot materials. The total out of pocket costs for the frame material excluding freight is less than $200.
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@craig yeah welcome to the MotorOnTop club >high five<
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....and welcome to the OpenBuilds club too
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@deckingman I have been part of Openbuilds for several years.
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I like the belts and motors on the outside, I was thinking about reframing my acrylic tube leadscrew delta (acrylic tube was a nice gimmick but isn't holding up too well), to have the screws on the outside of the towers, as you have your belts. Looks good.
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Testing!
