Let's build a TBot cartesian motion platform

Let's build a TBot cartesian motion platform

I needed an XY motion platform for an upcoming project, and had some prior CAD work for a "T-Bot" parallel cartesian mechanism. Let's machine some parts and assemble! Not as simple as v-wheels and extrusions, but a lot more fun :) We do some milling, some drilling with carbide 2.5mm drills and full profile threadmilling.

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This mechanism uses three MGN12 linear rails, GT2 steel-reinforced belt and two Anaheim Automation DC brushless servo motors. I'll be wiring this up with some encoders and an ODrive for motion control.

0:00 Introduction
0:22 Base plate machining
1:52 Indicating and adjusting parallelism
3:08 Drilling
4:00 Small tool TIR
4:52 More drilling
5:47 Threadmilling
6:32 Motor plate
6:56 Isogrid!
9:30 Assembly overview
14:52 Details
21:17 Mistakes and defects

Apologies for the softness of the machining footage... trying out a new lens and it appears to be not very sharp :(

Anaheim site: https://www.anaheimautomation.com/products/brushless/brushless-motor-item.php?sID=143&pt=i&tID=96&cID=22

Видео Let's build a TBot cartesian motion platform канала Breaking Taps