Lesson 1 - Lathe Setup and Workpiece Preparation
Setting up the lathe; Installing the faceplate and lathe dog; Live and dead centers; Facing ends; Test running; Tool selection and mounting; Speed and feed
Learning Objectives:– Describe how to select a work mounting method.
– Install a faceplate and lathe dog in a lathe.
– Select and mount a cutting tool for facing the ends of a workpiece.
– Explain how the optimum speed and feed are selected.
– Face the ends of the workpiece.
Lesson 2 - Rough and Finish Turning
Selecting and aligning the cutting tool; Speed and feed selection; Trial cuts; Rough and finish turning; Setting controls; Chamfering
Learning Objectives:– Align the cutting tool with the workpiece.
– Take a trial cut on the workpiece.
– Rough turn the workpiece.
– Finish turn the workpiece.
– Chamfer edges of the workpiece.
Lesson 3 - Shouldering, Knurling, and Notching
Laying off shoulders; Caliper; Scriber; Turning filleted shoulders, large fillets, and square shoulders; Round-nose cutter; Notching; Knurling; Polishing
Learning Objectives:– Describe how to lay off shoulders using the caliper, scriber, and parting tool methods.
– Turn a filleted shoulder on the workpiece.
– Explain how to notch a workpiece with a parting tool.
– Knurl the workpiece.
– Perform a polishing and filing operation between centers.
Lesson 4 - Cutting External Threads
Lathe thread-cutting parts; Lead screw; Split nuts; Screw thread features; Thread-cutting tools; Dial indicator; Setting speed and depth of cut
Learning Objectives:– Prepare and mount the workpiece.
– Describe screw thread features.
– Explain in detail how threads are cut on a lathe.
– Set the thread cutting speed and use the thread dial indicator.
– Determine the total depth of cut and take a trial and finish cut on the workpiece.
Lesson 5 - Turning Tapers Between Centers
Taper calculation; Laying off; Tailstock setover; Taper attachment; Taper turning; Machining the taper; Using the dial indicator and bevel protractor
Learning Objectives:– Designate standard types of tapers as well as calculate special tapers.
– Explain how to turn a taper using the tailstock setover method.
– Describe how to turn a taper using a taper attachment.
– Turn a taper using the compound rest method.
– Tell how to use the dial test indicator and vernier bevel protractor for close tolerances.