Machine Shop Technology > Machine Shop Shaping Operations

Machine Shop Shaping Operations

Course Number: 820

The Machine Shop Shaping Operations textbook covers types of milling machines and milling operations. It discusses spindles, arbors, feed rates, and safety precautions, as well as shaper and planer operations - setup, maintenance, and safety procedures. It also introduces grinding, power sawing, and gear cutting operations.

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Table of Contents

Chapter 1: Milling Operations

Topics: Milling machines; Spindles; Arbors; End mill holders and collets; Locating the cutter; Spindle speed, feed, and direction; Indexing; Safety

Learning Objectives:

  • Explain the difference between peripheral milling and face milling.
  • List the four types of knee-and-column milling machines.
  • Explain how each of the knee-and-column machines works.
  • Explain how a workpiece is held on a milling machine.
  • Name and describe the three basic styles of arbor.
  • Explain how the speed of a milling cutter is measured.
  • Define indexing.

Chapter 2: Shaping and Planing

Topics: Shaper tooling; Cutting fluids; Cutting speeds; Setup procedures; Angular, internal shaping; Planer construction and tools; Safety

Learning Objectives:

  • Compare and contrast shapers and planers.
  • Explain the processes of shaping and planing.
  • Explain how to select a shaper cutting fluid.
  • Explain how shaper cutting speed is expressed.
  • Explain how to check alignment of the shaper vise and ram.
  • Explain how cutting fluids are applied to planer work

Chapter 3: Grinding Operations

Topics: Grinding machines; Manual grinding; Grinding wheels; Mounting, dressing, and truing a grinding wheel; Cutting fluids; Grinding faults; Safety

Learning Objectives:

  • Define grinding.
  • Name the five categories of grinding.
  • Explain how to read the marking code on a grinding wheel.
  • Explain how to mount a grinding wheel.
  • Define the terms dressing and truing as related to grinding wheels.
  • Explain how cutting fluids id grinding operations.
  • List the steps involved in surface grinding.

Chapter 4: Gear Cutting

Topics: Gear types, terms, and definitions; Diametral pitch; Tooth calculations; Cutting spur, bevel gear teeth; Repairing a gear; Cutting other gears

Learning Objectives:

  • Name the most common and easiest-to-make gear.
  • Name the most widely used types of gears in plant machinery.
  • Define the following terms: pitch diameter, circular pitch, diametrial pitch, working depth, and face width.
  • Explain how to check the first full tooth of a spur gear after cutting.
  • Describe the pitch line of an involute rack.
  • Explain how the teeth of straight bevel gears are cut.

Chapter 5: Power Sawing

Topics: Power hacksaws; Blade selection, inspection, and installation; Band saws and blades; Cutting fluids; Straight, contour, and friction sawing; Safety

Learning Objectives:

  • Explain when and why cutting fluid is required when using a power hacksaw.
  • Explain how to select a power hacksaw blade.
  • List at least three rules for good hacksawing.
  • Contrast the operation of a hacksaw and a band saw.
  • List the three factors involved in selecting the right band saw blade.
  • Explain the important points of power sawing safety.

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Select Chapter(s):

  •    Chapter 1: Milling Operations
  •    Chapter 2: Shaping and Planing
  •    Chapter 3: Grinding Operations
  •    Chapter 4: Gear Cutting
  •    Chapter 5: Power Sawing

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