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Gear Fundamentals
Rating: 4.5 out of 5(146 ratings)
4,314 students

Gear Fundamentals

Learn basic gear types and tribology fundamentals
Created byDaniel Amevor, P. Eng., CMRP, CRE, PMP, CLS., Oreva Andrew Oboghor
Last updated 12/2022
English
English [Auto],

What you'll learn

  • Learn to answer the question, what is a gear?
  • Gear terminology in industry
  • Gear types in general e.g. spur, helical, bevel etc.
  • Tribology essentials
  • Difference between double helical and herringbone gear
  • Lubrication fundamentals
  • How to read ISO oil cleanliness
  • Identify and differentiate right hand and left hand helix gear

Course content

1 section • 11 lectures • 1h 35m total length

  • Introduction4:46

    Explore the fundamentals of gears and gear systems, including power and motion transmission between shafts, axis configurations, and how transmission ratio is controlled by the number of teeth.

  • Gear Types and Characteristics7:12

    Explore gear fundamentals by axis position and configuration, including external, internal, and rack-and-pinion gears. Learn how gears transmit rotation, alter speed and torque, and reverse direction.

  • Let's check your understanding of gears and their characteristics
  • Gear Terminology (Nomenclature)21:13

    Explore gear terminology and nomenclature, from pitch circle and line of centers to addendum, dedendum, backlash, and module, to understand how gears mesh and design.

  • Let's check your understanding of gear nomenclature
  • Lubrication Fundamentals - Machine Lubrication, Friction and Wear22:57
  • Let's check your understanding of Machine Lubrication, Friction and Wear
  • Gear Drive Lubrication Regimes11:17
  • Let's check your understanding on lubrication regimes
  • Helical Gear Characteristics (Part 1)8:27

    Explore helical gears and the helix angle, under 20 degrees, for smoother and quieter operation. Identify left- or right-hand gears and apply the right-hand rule for axial thrust in shafts.

  • Helical Gear Characteristics (Part 2)4:51

    Learn helical gear classifications: single, double helical (herringbone), and cross helical; and how axial thrust is managed, with applications in automotive and industrial high-speed, quiet transmissions.

  • Let's check your understanding of helical gear characteristics
  • Bevel Gear Characteristics11:41

    Discover bevel gear types, including external and internal bevel gears, crown gears, and spiral and straight bevels. Understand pitch surfaces, pitch angles, and key classifications for reliable motion transmission.

  • Let's check your understanding on bevel gear characteristics
  • Sample real life application of Gearbox0:59

    Gear box with transparent housing to illustrate real-life application.

  • Gearbox Example in Mining Application1:29

    In this illustration, Andrea shows a gearbox with partial transparent housing to let you see what's inside. Let's have a look.







  • Acknowledgement/References0:17

Requirements

  • Basic knowledge of mechanical systems.
  • Basic understanding of laws of physics

Description

In this course, you will learn about the fundamental gear types, their characteristics and applications in industry. An important concept of lubrication fundamentals is also added to broaden your learning experience.

I used real-life examples, drawings, pictures and 3D design models to explain the concepts about gearing systems.

This course is designed to provide an overview of gearing to enhance students understanding of essential terminology and practices within the industry

Who this course is for:

  • Anyone looking to build foundational knowledge on gears

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