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During operation, the gear teeth are in mesh and experience axial, radial, and tangential forces.
During operation, the gear teeth are in mesh and experience axial, radial, and tangential forces.

Spur and Helical Gear Design Fundamentals

Gear design simplified! The THORS course, Spur and Helical Gear Design Fundamentals provides strategies for designing gears that meet given application requirements. Ready to take the next step? Explore the course details and see everything we’ve packed into this program!

Learning Hours: 3

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Course Description

Gear design simplified! The THORS course, Spur and Helical Gear Design Fundamentals provides strategies for designing gears that meet given application requirements. This course, complemented with real-life examples, delves into the principles of selection and optimization of primary and secondary design variables.

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Who will benefit from this Spur and Helical Gear Design course?

Design Engineers, Manufacturing Engineers, Operators, Inspectors, Sales, and Purchasing

Course Classification

This manufacturing course by THORS eLearning Solutions covers understanding and application of the covered topics.

*THORS uses the Bloom’s Taxonomy Methodology for our course development.

Certificate Awarded for Spur and Helical Gear Design Fundamentals

Example of certificate awarded upon successful completion of the course.

*upon successful completion

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Learning Objectives

  1. To understand the application and gear design input parameters.
  2. To estimate the gear design basic variables based on design inputs.
  3. To design a gear pair that satisfies the specifications of the intended application.
  4. To design a gear pair that meets or exceeds target design life and safety factor ratings.
  5. To improve safety factor ratings by optimizing gear geometry and material selection and heat treatment.
Spur and Helical Gear Design Fundamentals

Table of Contents

  1. Gear Design Inputs
    1. Shaft Orientation
      1. Inline Orientation
      2. Parallel Orientation
      3. Right Angle Orientation
    2. Target Safety Factor
    3. Target Design Life
    4. Gearbox Requirements
      1. Size Limits
        1. Envelope Size
        2. Weight
        3. Center Distance
      2. Applied Loads
        1. Speed
        2. Torque
        3. Power
          1. Internal Combustion Engine
          2. Electric Motor
          3. Gas Turbine
      3. Gear Ratio
  2. Primary Design Variables
    1. Basic Design Variables
      1. Normal Diametral Pitch and Normal Module
      2. Normal Pressure Angle
      3. Normal Base Pitch
      4. Helix Angle
      5. Face Width
      6. Number of Teeth
    2. Transverse and Calculated Variables
      1. Transverse Variables
      2. Calculated Safety Factors
        1. Tooth Flank Contact Stress
        2. Tooth Root Bending Stress
  3. Secondary Design Variables
    1. Material and Heat Treatment
    2. Accuracy Level
    3. Profile Shift
    4. Design for Manufacturability
  4. Case Studies
    1. Case Study 1
      1. Step 1:  Identify Design Inputs
      2. Step 2: First Iteration
        1. Select Basic Design Variables
        2. Select Secondary Design Variables
        3. Calculate Rating
      3. Step 3: Second Iteration
        1. Modify Design Variables
        2. Calculate Rating
      4. Step 4: Optimize Rating
        1. Modify Design Variables
        2. Calculate Rating
      5. Step 5: Deliverables
    2. Case Study 2
      1. Step 1:  Identify Design Inputs
      2. Step 2: First Iteration
        1. Select Basic Design Variables
        2. Select Secondary Design Variables
        3. Calculate Rating
      3. Step 3: Second Iteration
        1. Modify Design Variables
        2. Calculate Rating
      4. Step 4: Optimize Rating
      5. Step 5: Deliverables
  5. Case Studies Exercise

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