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Machine Shop Turning Operations

Machine Shop Turning Operations

Covers the major types of lathes and their attachments, safety, maintenance, job preparation, and basic lathe operations. This online course discusses all facets of drilling and boring, types of drills and drill presses, milling machines, and job bores. Explains reaming and reamer terms. Covers threads and threading. This course has no prerequisites. Machine Shop Turning Operations is available in online technical training and course manual formats.

TPC Training is authorized by IACET to offer 0.5 CEUs for this program.

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  • Online Course & Test $85.00

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TPC Training is authorized by IACET to offer 0.5 CEUs for Machine Shop Turning Operations online training.

Lesson 1 - Lathes and Attachments


Engine lathes; Lathe size, capacity, and parts; Holding work; Steady and follower rest; Preparing for lathe operation; Safety

Learning Objectives:
– Explain the function of each of the following lathe parts: lathe bed, ways, headstock, tailstock, carriage, compound rest, and spindle.
– Name the two dimensions usually used to describe lathe capacity.
– List and describe several methods of holding work in a lathe.
– Explain the function of a steady rest and follower rest.

Lesson 2 - Basic Lathe Operations


Preparing and centering the stock; Aligning and using rests; Cutting speed and feed; Turning operations; Cutting fluids and coolants

Learning Objectives:
– Describe the factors to consider when selecting and preparing a piece of stock for a lathe job.
– Explain how to mount eccentric or irregularly shaped workpieces.
– Define the terms cutting speed and feed rate and list factors that affect each.
– Name two factors that affect the smoothness of a finishing operation.
– Explain the function of cutting fluid in lathe work.

Lesson 3 - Drilling and Boring


Drills and drill presses; Drill numbering and sizing; Setting up work; Speed and feed; Drilling compounds; Boring; Safety

Learning Objectives:
– Identify the main parts of a twist drill.
– Explain the step-by-step procedure for drilling a hole.
– Demonstrate how to convert speed in surface feet per minute to inches per minute.
– Describe safety precautions to observe when working with a drill press.
– Describe the boring procedure and tell when it is used

Lesson 4 - Reaming


Carbide-tipped reamers; Selection; Reaming speeds and feeds; Cutting fluids; Chatter; Troubleshooting; Counterboring; Spotfacing

Learning Objectives:
– Identify the main parts of a reamer
– Tell what reaming method is best to use when a very accurate hole is required
– Describe the benefits and uses of the following reamers: shell, hand, adjustable, expansion, taper, high speed steel, and carbide tipped
– Explain how to remove burrs from the cutting edges or teeth of a reamer
– Define counterboring, countersinking, and spotfacing

Lesson 5 - Threads and Threading


Common thread series; Thread ID; Tapping; Tap sets; Drilling a hole to be tapped; Tapping pipe threads; Threading with dies; Measuring threads

Learning Objectives:
– Describe and state the uses of the following threads: National, square, Acme, and Buttress.
– Explain how the sizing of pipe threads differs from the sizing of other threads.
– Explain when to use each of the following taps: plug, taper, bottoming, spiral-pointed, spiral-fluted, and fluteless.
– Tell why cutting fields are used in tapping operations.
– Explain how to deal with long chips when tapping.