Title: Perform chucking operations for turning.
Course: Precision Machining Technology I (13204-I) > Section: Performing Machining Jobs

Performance should include

- selecting the proper chuck for manual turning operations
- installing and indicating three- and four-jaw chucks
- securing work and chuck
- calculating proper speeds and feeds according to general industry standards
- maintaining at least three diameters within ±.005 inch and the following requirements for the completed part:
  - one bore within ±.005 inch
  - one UNC external thread
  - one UNF internal thread
  - at least two chucking or other work-holding setups
  - finishes of at least 125 micro-inches with no sharp edges.

Process/Skill Questions

- What are the types and names of chucks?
- What is a split collet?
- What is the procedure for indicating a four-jaw chuck?
- Why is concentricity important in turning operations?
- Why is it important to place the chuck key in a safe location?
- Why should finish parts be deburred?
- What is a dial indicator?
- What are the steps to properly read a dial indicator?