Help Please for Moving Gantry

[Nr1madman]

Hello!

What metall do you want to mill? Steel?

50mm steel square for the base is to small I think.. I have 50mm for my planned mostly wood router (with some 80x120 6mm thickness in there ). It will never mill steel
... Also I have 6mm thickness I think..
Usually people recommend 80x80 with atleast 3mm thickness for router capable of routing aluminium.

For your rail question it depends on how the machine looks and how heavy it is.
Usually 20mm square linear rail is recommended. But it you plan on a monstermachine capable of milling 100mm thick steel it may be a different world altogether :)

Post your design an listen to advice before ordering parts. It might save you some money in the end

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