So I have to build a fully functioning CNC router for a school project with a pathetic budget of under $200.
I'm currently looking at this router, since it has a spindle, collet and router bit: Tamiya Handy Router
I did some simple calculations based on similar motors. This one has a holding torque of 72 g-cm, or about 1 oz-in, spinning at 7800 RPM. My question: is this enough to be able to rout cardboard or styrofoam? Exactly what is the minimum torque/RPM needed to rout the said materials anyway?
If someone can point me to some source, that'd be even better.
Tamiya router for foam/cardboard?
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