Performance should include
- producing a part that matches the process plan and the blueprint specifications
- using appropriate trade techniques and speeds and feeds
- matching the specifications, with at least three diameters within ±.002 inch
- finishing the part, based on the following criteria:
- one UNC external thread
- one UNF external thread
- an end-for-end swap
- finishes to be at least 125 micro-inches, with no sharp edges
- one knurled workpiece
- lathe dog for centering
Process/Skill Questions
- What is the practical function of turning between centers?
- What are some machine parts that may be turned between centers?
- Why should one not remove the center from a chuck before machining the part?
- What axes are used during turning between centers?