Big Bowl with a CNC Router

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To make a bowl on the cnc routing table, I cut 11 rings from 3 sheets of 5'x5' baltic birch and glued them together. To make sure they were stacked precisely, I made a stepped jig that locked them into place. Once the glue had dried, I ran a program to mill the outside of the bowl with a 1/4" ball nose bit. To mill the inside, I first needed to make another jig that matched the shape of the outside of the bowl, which would securely hold the bowl right side up. I had a little trouble milling the inside with just the ballnose bit, I realized it was too much material to remove. So I stopped the program and switched to a roughing pass with an end mill, to remove the majority of the material. Then I switched back to the finishing path with the ball nose to carve the inside of the bowl smooth. I used food grade butcher block oil to finish it. Kelly and I have been using the bowl for salads and other things quite regularly and the bowl has been a nice addition to our farm kitchen.

Видео Big Bowl with a CNC Router канала Rainfall Projects