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4 votes
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What's the term for 2 Dimensional tracks similar to the ones used on 3D printers?

That is called a gantry robot.
SteveO's user avatar
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3 votes
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Recommended building materials for building a robot WITHOUT 3D printer?

With consideration cheap, strong enough, not ugly and easy to shape, then my recommendation is you can use clipboard. I have seen people win international robotic competition with robot made using ...
Albert H M's user avatar
2 votes

Polylactic acid - Can I drill into it?

Usually 3D printed objects are not 100% infill, you can easily drill PLA, however it can delaminate if you push too hard and go fluffy when hot, producing a rough surface and poor quality finish. 3D ...
Ozoid's user avatar
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1 vote

What's the term for 2 Dimensional tracks similar to the ones used on 3D printers?

By the word "tracks" I would assume you meant the guide rails on which the 3D printers extruder is placed on.The rods which support the movement of the extruder are smooth linear shafts. They are ...
Pradeep BV's user avatar
1 vote

Rostock Delta Robot 3D Printer Degrees of Freedom (DOF)

The end-effector of the structure can do 3 translations X Y and Z translations. However more then 1 motor has to be moved in order to execute a pure translation. This means that the desired motions in ...
50k4's user avatar
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1 vote

MG996R issues with Arduino

tl;dr: use 6 V Those rascals are rated for 6 volts, not the nominal 7.4 V from 2S LiPos. You could imagine a Shenzhen manufacturer's design/value engineer zealously shaving a penny cost per unit by ...
r-bryan's user avatar
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1 vote

How the motor commands are obtained from gcodes?

The main role of the CNC controller is to "convert" G Code to motor commands. This is a highly complex function and many books have been written about this. As a top level overview, the G-...
50k4's user avatar
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1 vote

Recommended building materials for building a robot WITHOUT 3D printer?

0.5mm 1x2m^2 sheet metal @ your local hardware store ~ 2EUR metal cutting pliers ~ 4EUR being able to cut it, fold it, punch* it for ventilation - priceless * use a nail and hammer/stone; rest on a ...
Vorac's user avatar
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1 vote

Recommended building materials for building a robot WITHOUT 3D printer?

Cardboard on top of a cheap robot chassis can be quite effective. See this version of Openbot that does not use a 3d printer: https://custom-build-robots.com/raspberry-pi-robot-cars/openbot-your-...
Ezward's user avatar
  • 356
1 vote

Recommended building materials for building a robot WITHOUT 3D printer?

If you want to build a robot with lots of moving parts, or just a dedicated, aluminum building medium, and dont have a tight budget, you can use Actobotics building parts, from servo city.com (https://...
X Builder's user avatar
  • 127
1 vote

Recommended building materials for building a robot WITHOUT 3D printer?

Consider things like food storage containers, dishpans, and household storage bins. Some (HDPE?) ones are reasonably stiff yet compliant, and you can readily cut them. Beware the beautiful, crystal-...
r-bryan's user avatar
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1 vote

Can I simulate/test the model of a robot I am designing to be 3d printed?

You can do something like what you describe in at least 2 softwares: Matlab/Simulink with the Simscape Multibody toolbox https://mathworks.com/help/sl3d/link-to-simulink-and-simmechanics-models.html ...
N. Staub's user avatar
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What's the term for 2 Dimensional tracks similar to the ones used on 3D printers?

Your picture is of linear bearings on what looks to me to be stainless steel shafting. You can also use guide rails, which use a more specialized shaft than just a rod.
Chuck's user avatar
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