Title: Perform manual layout operations, including laying out the location of hole centers and surfaces.
Course: Precision Machining Technology I (13204-I) > Section: Performing Machining Jobs

Performance should include

- laying out hole locations, radii, and surfaces
- matching the specifications within an accuracy of ±.015 inch, based on the following criteria:

  - Layout ink is applied to the surface appropriately.
  - Lines are struck once.
  - Intersections are clean and clear.
  - Punch marks are centered on intersections.

Process/Skill Questions

- Why are accurate measuring procedures important when laying out?
- Why is proper tool selection important in layout operations?
- What tools are used in layout operations?
- What is entailed in properly caring for layout tools?
- What are the different line types used in locating hole centers and surfaces?