971's chassis

[roystur44]

Originally Posted by AustinSchuh

We use countersunk rivets. There are punches on the CNC turret punch which will make a .129 hole that is countersunk to 120 degrees, all in 1 hit. This makes it so the bottom, front, and sides of our bot are perfectly smooth and can't catch on anything.

The tool actually makes two hits. A prepunch hole and the tool that forms the csk. Metal is malleable. Here is a link to show some cool things you can do on a punch press. Take a look at the stiffening rib tool and the Zip Tech.



http://www.wilsontool.com/ProductSub...ng_p_spcl.aspx