I am building my first cnc to cut parts for speaker boxes that i sell. It is apporx 2' x 4'. I ordered plans but have changed a few things. It suns on pipr rail ( crome tubing in my case. I am using a rack an pinion on the x, 1 start 1/2" acme thread on y and z. i have a 20 t pinion on the x, geared down about 3.5:1 to the motor. direct drive on y and z. Stetters are 400 oz for x and y, 260 oz for z. i got the kit from probotics. 24v 7 amp power supply., thier control boards,ect. ROuter is a variable speed 3.25 hp porter cable. What kind of feed rate can i expect. i was wanting 120 ipm, but not sure if thats possible. I wil lbe cuttng varius thckness of mdf, probally with 1/2" upcut 2 flute bit.
thanks and any input would be great