Last updated: 9/2008

One Stop Resource For The Gear Manufacturer.
Welcome to DR Gears The Tooth, the Whole Tooth and nothing but the Tooth

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Tip of the Day
General Setting
Maximum backlash in the gearing = 0.127mm for smooth running of the machine.
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All the Gear Manufacturer's requirements under one (web) roof.

Gear Terms: Gear Encyclopedia with gear diagrams and formulas for involute gears.
Downloads: Gear Software programs to ease your workload, with many Freebies.
Reading Room: A library of Gear Books and related subjects, reviewed and sold on-line.
The Mall: An online shopping mall for companies offering products and services. How to Advertise click.
Technical Papers: A collection of papers submitted by people within the industry.
Gear Animation's: Gear animations for you to use.
Sunderland Operators Manual
Covers machines
for Spur Gears
and Helical Gears
Available for Download
Click for more information Break the language barrier
Gear Terms translated to:
English, German, French, Italian
Gear Term Translations
Gear Symbols and Indices
Gear Graphs
An Interactive Guide to Interpreting the Squiggly Lines For Involute Gears
Available for download
Click for more information

Other software/publications:- all and more at our Downloads page
Base Tangent: Calculate your own Base Tangent gear tooth sizes
Pin Diameter: Calculate Pin Sizes for internal and external gears. - v3
GeaRatio: Calculate a set of gears from a ratio
Gear Tooth Corrections: Profile and Lead Correction, all the info, all the formulas
Chamfering & Deburring: All you need to produce accurate chamfers
Churchill Universal Gear Shaving - Operator's Manual: Covers machines GS8, GS12 and GS16
Fellows/England 6AH Gear Shaper - Operator's Manual
Creative Problem Solving - The Easy Way: Well tested tools designed to help you focus on resolving problems

Try a Gear Puzzle! Puzzle 1 = Correct answers are getting more frequent.
Well Done to the following people:
James Stubbs
Walter Rubischung
Jason Shupp
Ian Christensen
Gary Luke
Andy Horsfall
Jesus Mexicano
Over 3000 were way out. Gear Gallery
Just a few photos from my old album that you may find interesting. Only a trial for now, quality not great at the present.
Do you have a set of your own that you want to show and may be of interest to others?

Visit EBook Heaven for a wealth of EBooks.

For all HP calculator fans without a manual
Free download of Technical Papers
These are papers submitted by our friends and visitors for your indulgence. They are totally FREE so download and enjoy.