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Discussion in '3D printers' started by Sandy DeFalco, Oct 27, 2018.
Super tall 3D printer. All lead screw design.
Sandy DeFalco published a new build:
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This idea of a printer/mill combo has been discussed plenty of times. These machines operate on completely opposing principles. Those principles directly conflict each other. Trying to compromise and create a middle ground only makes a machine that can do neither. In order to actually build a mill that can be a decent printer, you would need very good mechanical guidance (linear rail) to take the heavy loads from the mass alone that has been created by the need for load bearing. You need to be able to push that heavy load very fast and accurately, which means power steppers and incredibly precise digital monitoring (think servos). Even after that, you will be leaving a lot of each type of machine on the table. At this point, you could have just built two world class separate machines with enough spare cash to build another machine.
You may be right thanks
I do want to add I would have to separate motherboards and hopefully a wire harness plug that changes over wiring that needs to be changed.
It's a mechanical issue, not a digital issue.
^^what he said.^^ 3d printers are built for speed and agility. CNC machines are built for strength and muscle. It's kind of like the difference between a ballet dancer and a sumo wrestler. They're not interchangeable and there really is no happy median unless you're willing to accept extreme mediocrity in both tasks.
I realize a mill built with openbuilds.com type materials is in no way comparable with a commercial Millbut I will be able to make plates and small parts without a problem using aluminum and materials softer than that.