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Sep 07, 2024
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MFG 250 - Engine Lathe Theory Credits: 1 Lecture Hours: 1 Lab Hours: 0 Practicum Hours: 0 Work Experience: 0 Course Type: Voc/Tech An introductory level course explaining the theory of the basic operation and care of an engine lathe. Corequisite: MFG 251 Competencies
- Explain the parts of the Turning Machines
- Identify the most important parts of a lathe and their functions
- List all of the lubrication points for a given type lathe
- Identify standard, quick-change and turret-type toolholders mounted on a lathe carriage
- Describe the type of tooling used on the tailstock
- Demonstrate an understanding of work holding devices
- Explain the uses and care of independent and universal chucks
- Explain the limitations and advantages of a collet
- Describe how a collet is setup for use on a lathe
- Explain the uses of, and differences between, drive and face plates
- Demonstrate an understanding of the carriage
- Describe the relationship between longitudinal feeds and cross feeds
- State the differences in types of cross feed screw micrometer collars
- Describe the use of various feed levers
- Explain how to set up to make facing cuts to a given depth and how to measure them
- Demonstrate a knowledge of cutting tools
- Explain the purpose of rake and relief angles
- Explain the purpose of chip breakers
- Describe the function of form tools
- Name the advantages of using high-speed steel for tools
- Explain when zero or negative rake should be used
- Demonstrate knowledge of center drilling in a lathe
- Determine proper speed and feed for a given material and size
- Name two reasons for center drilling a work piece in the lathe
- Explain two causes of center drill breakage
- Describe what happens when you drill too deeply with a center drill
- Demonstrate knowledge of turning in a lathe
- Describe the correct setup procedure for turning between centers
- Select correct feeds and speeds for turning operation
- Detail the steps necessary for turning to size predictably
- Explain the procedures for drilling, boring, reaming, knurling, recessing, parting and tapping in a lathe
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