back-spotface
nounEtymology From back- + spotface.
1
A spotface that is so made.
- There's no second operation on these parts. The backside features are all back-counterbores and back-spotfaces.
back-spotface
verbEtymology From back- + spotface.
1
Engineering, Machining, Mechanical engineering, Natural sciences, Physical sciences To spotface from the backside of a workpiece by using a tool that passes through a through hole, deploys a cutting edge (or receives it by manual insertion from an operator), spotfaces the far side, retracts the cutting edge (or has it removed), and then retreats back through the hole (toward the tool's origin).
- We won't need any second operation on these parts. We're going to back-counterbore and back-spotface all of these features on the backside.