Gear Geometry & Applied Theory: Intro Maths Needed?

In summary, gear geometry and applied theory involve using mathematical principles to design, analyze, and manufacture gears for various applications. This field requires a solid understanding of algebra, geometry, and trigonometry, as well as knowledge of advanced concepts such as differential calculus and vector analysis. These mathematical tools are essential in determining gear sizes, shapes, and tooth profiles, as well as predicting their performance and durability. Therefore, a strong foundation in mathematics is necessary for anyone pursuing a career in gear engineering or related fields.
  • #1
bugatti79
794
1
Folks,

I have a book Gear Geometry and Applied Theory by Litvin. It looks pretty hairy and the diagrams/schematics of the kinematic relations etc are difficult to understand.
What branch of mathematics does this fall under, diferential geometry and topology?

I think I may need to get some introductory book before I delve into this gear theory...

Any suggestions?

Thanks
 
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  • #2
I would say more towards analytic geometry. Unless you are actually trying to understand how to design the different gear profiles, I wouldn't lose much sleep over this book. The essential bit is knowing how the gear ratio affects shaft speed and torque.
 
  • #3
you don't have to go in deep maths..u can understand theory of gearing if u have little bit knowledge of design..u should read theory of machines by khurmi and gupta
 
  • #4
If you're interested in doing more than just working with gears, like designing different involute profiles or analyzing forces on the teeth (which isn't the case for 99% of people), then I'm sure that's a good resource. Otherwise, SteamKing's suggestion is the best course of action.
 
  • #5
Shigley's Mechanical Engineering Design - Chapters 13, 14, 15 (in the 8th Edition) are for gears - has everything you need to know.
 
  • #6
For involute gears, the branch of mathematics is called involutometry. As noted, most of this you don't need to derive if you are willing to accept the results without proof.
 
  • #8
The OP asked for some introductory material on gearing. I would suggest

Mechanical Engineering Design - Shigley & Mischke
Mechanics of Machines - Doughty
Mechanisms and Dynamics of Machinery - Mabie & Ockvirk
 
  • #9
Darle Dudely - Gear Handbook is very good. A good understanding of analytical geometry is required.
 
  • #10
I would second the Dudley book, Gear Handbook, if you can find a copy. This book is very hard to locate.
 
  • #12
You do have a very good book about gears in deep. You can calculate second order geometry of hypoid gears, for instance. I think you only need to know differential geometry and kinematics.
 
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Likes Murli
  • #13
I have gone through the whole book several times.There is a gear design software called kissoft. I have customers sources too throughout the world. . .Please suggest me something.
 
  • #14
What do you want/mean when you say, "Please suggest me something"?
 
  • #15
Baluncore said:
bugatti79 said:
Folks,

I have a book Gear Geometry and Applied Theory by Litvin. It looks pretty hairy and the diagrams/schematics of the kinematic relations etc are difficult to understand.
What branch of mathematics does this fall under, diferential geometry and topology?

I think I may need to get some introductory book before I delve into this gear theory...

Any suggestions?

Thanks

Are you still studying gear design.
 

What is gear geometry?

Gear geometry is the study of the shape, size, and arrangement of gear teeth for the purpose of designing and manufacturing gears.

What is applied theory in gear geometry?

Applied theory in gear geometry involves using mathematical principles and equations to analyze and design gears that meet specific requirements and perform optimally.

What math concepts are needed to understand gear geometry?

A basic understanding of algebra, geometry, and trigonometry is necessary to comprehend the principles of gear geometry. Knowledge of calculus and differential equations may also be beneficial for more advanced applications.

How is gear geometry used in industry?

Gear geometry is essential in the design and manufacturing of various machines and equipment that use gears, such as automobiles, aircraft, industrial machinery, and appliances. It is also used in industries that require precise motion control, such as robotics and aerospace.

What are some common applications of gear geometry?

Some common applications of gear geometry include gearboxes, transmissions, power steering systems, and differentials. It is also used in clocks, watches, and other mechanical devices that require precise gear movement.

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