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Gear Geometry
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Highlights
On-Demand course
6 hours
All levels
Description
Access: Please note you will have 30 days to complete the course once you have registered
Course summary
Gear geometry is thought to be complex and often considered a ‘black art’. This on-demand course will dispel this myth and provide you with a basic knowledge of how gears work and cylindrical gear geometry. No prior gear knowledge is required.
Who should do the course
This is applicable to gear designers, manufacturing staff, machine operators, inspectors and those who are new to the gear industry and want to understand what all the fuss is about.
What is in the course?
Module 1 - How involute gears work An introduction to the fundamentals of cylindrical gear geometry. Covers involute tooth form, basic gear operation, and essential terminology.
Module 2 - An introduction to BS ISO 21771 A guided overview of the ISO standard for cylindrical gear geometry. Explains the structure of the standard, key equations, and how to begin applying them confidently.
Module 3 - Gear pairs and related geometry Explores the geometry of mating gears, including profile shift coefficients, centre distances, tooth thickness calculations, and how to interpret gear pair drawings in ISO 21771.
Module 4 - Performance related gear geometry Examines how geometric choices influence gear performance, noise, and transmission characteristics. Builds the link between theoretical geometry and real‑world behaviour.
Learning outcomes
Designing, manufacturing and inspection processes make much more sense when you understand gear geometry. You will be familiar with common gear terms and symbols be able to understand and be confident using gear calculations in BS ISO 21771 (which is available for BGA members via the BGA website). You’ll be ready to develop your knowledge further in the next sessions available from the BGA looking at gear geometry that relates to gear performance.
course Content
7 sections•27 lessons
Course overview3 lessons
- Introduction
- Updates to BS ISO 21771
- Legal Disclaimer and copyright
Section 1 - How involute gears work4 lessons
- Why use gears, how they work and the involute
- Involute gear geometry - the principles
- Section 1 Quiz
- Section 1 Quiz answers
Section 2 - An introduction to BS ISO 21771:20075 lessons
- Gear geometry terms and symbols
- Basic gear geometry calculations
- Section 2 Quiz
- Section 2 Calculations
- Section 2 quiz and calculation answers
Section 3 - Gear pairs and their related gear geometry7 lessons
- Basic gear pair calculations
- Profile shift coefficient
- Backlash and tooth thickness tolerances
- Tooth thickness and measurement
- Tooth numbers
- Section 3 Quiz
- Section 3 Quiz answers
Section 4 - Performance related gear geometry6 lessons
- Transverse contact ratio
- Spur and helical gears
- Sliding and rolling contact
- Micro geometry
- Section 4 Quiz
- Section 4 Quiz answers
Course summary1 lesson
- Summary
Feedback Form1 lesson
- Feedback Form
Reviews
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Verified
Thanks for the training , it was very Good Knowledge transfer program.
The British Gear Association (BGA)
Responded
Thank you for your review. We look forward to seeing you on another BGA Training course soon.
Verified
Thanks for the training , it was very Good Knowledge transfer program.
The British Gear Association (BGA)
Responded
Thank you for your review. We look forward to seeing you on another BGA Training course soon.
