The Industrial Skills Training Specialists

101 - Reading Blueprints

Covers all types of blueprints used in industrial plants. Discusses machine parts and machine drawings. Features drawings of a compound rest and a clutch-brake control. Examines hydraulic, pneumatic, piping, plumbing, electrical, air-conditioning, and refrigeration drawings. Introduces sketching used in industrial plants.

TPC Training Systems is authorized by IACET to offer 1.0 CEUs for this program.

Lesson 1 - Introduction to Blueprints

Topics:

Detail drawings; Notes and dimensions; Assembly and pictorial drawings; Orthographic projections; Auxiliary views; Sections

Learning Objectives:

  • Identify details, markings, and machine parts from an assembly drawing.
  • Identify an object from an orthographic drawing.
  • Identify elements located within the title block of a detail drawing.
  • Explain why more than one orthographic projection is needed to show an object on a blueprint.

Lesson 2 - Machine Parts

Topics:

Simple machines; Screw threads; Heads; Rivets; Welds; Pins; Keys; Springs; Gears; Bearings; Belts and pulleys

Learning Objectives:

  • Describe what a machine is, and explain what it does.
  • Name the two basic methods of joining machine parts.
  • Name and identify from an exhibit several types of threaded fasteners.
  • Name the two basic methods of permanent joining.
  • Identify gears, bearings, and belt drives on drawings.
  • Identify types of screw threads from a specification.

     

Lesson 3 - Machine Drawings

Topics:

Machine tools; Exploded views; Assembly and detail drawings; Drafting techniques

Learning Objectives:

  • Name the main parts of a lathe.
  • State the definition of an exploded view.
  • Identify an assembly drawing.
  • Identify a compound rest swivel on an assembly drawing.
  • Identify a specific part on an assembly drawing.

     

Lesson 4 - Sheet Metal Drawings

Topics:

Sheet metal; Ventilation systems; Ductwork; Parallel, miter, and radial development; Extra metal for assembly

Learning Objectives:

  • Describe the difference among coils, strips, and sheet metal.
  • Describe how a ventilation system works.
  • State the purpose of an arrow on a duct symbol.
  • Demonstrate how to lay out a development.
  • Define a radial development of a truncated pyramid.

     

Lesson 5 - Building Drawings

Topics:

Buildings and building sites; Symbols and conventions; Plant, site, and floor plans; Working drawings

Learning Objectives:

  • Name building materials, given their standard symbols.
  • Explain how to find useful information on a flow diagram.
  • Explain how to find useful information on an industrial plant.
  • List the contents of a set of building drawings.
  • Describe the purpose of a structural drawing.

     

Lesson 6 - Hydraulic and Pneumatic Drawings

Topics:

Fluid systems; Pascal's Law; Multiplying forces; Pistons and cylinders; Fluid system components; Symbols

Learning Objectives:

  • Name the components represented by common symbols on hydraulic and pneumatic drawings.
  • Name the components in a simple hydraulic power system.
  • Name the components in a simple pneumatic power system.
  • State Pascal's Law.
  • Discuss the purposes of the components of hydraulic systems.

     

Lesson 7 - Piping and Plumbing Drawings

Topics:

Piping and plumbing materials; Kinds of joints; Drawings; Joining metal pipes

Learning Objectives:

  • State the definition of piping.
  • Explain why joints are sometimes brazed instead of soldered.
  • Explain how to assemble a screwed joint.
  • Identify different types of pipe joints.
  • Identify piping-system components shown in a single-line drawing.
  • Define electrochemical corrosion.

     

Lesson 8 - Electrical Drawings

Topics:

Importance of electrical drawings; Electric power; Electrical drawings and wiring; Using electrical drawings

Learning Objectives:

  • Identify different electrical symbols on a drawing.
  • Identify the power distribution panels in your plant.
  • Identify different types of conduit and cable.
  • Select the best electrical drawing to use when looking for a faulty circuit between the basement and the first floor.
  • Explain how electricity at 480 volts is reduced by a transformer to 120/240 volts.
  • Define the terms voltage, current, and power.

     

Lesson 9 - Air Conditioning and Refrigeration Drawings

Topics:

Principles of refrigeration; Component drawings; Principles of air conditioning; Air conditioning systems

Learning Objectives:

  • Explain how a refrigeration system works.
  • Describe the types of ac controls.
  • Name three kinds of condensers used in air conditioning systems.
  • Explain the difference between unitary and central air-conditioning equipment.
  • Explain how to find useful information on a duct drawing.

     

Lesson 10 - Sketching

Topics:

Using and making sketches; Kinds of sketches; Orthographic, isometric, and perspective sketches

Learning Objectives:

  • Name the four kinds of sketches.
  • Identify an isometric sketch.
  • Describe the appearance of a perspective drawing.
  • Discuss how to sketch straight lines and curved lines.
  • State the definition of a vanishing point.

     

 

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