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EVOLVENT DESIGN


PUTTING YOUR PROJECT IN MOTION

If you want it, work for it!

ISO9001:2015 Certified

Updated Gear School:
2024 Schedule Anounced
SIGN UP

Gear Cutting Tools
5% OFF for the remainder of 2023
Shell Mill Arbors Added to Store
SHOP NOW



GEAR CALCULATORS AND ANALYTICAL TOOLS

We've shared our in-house tools for making gears in 2D & 3D, and inspecting
finished gears with standard tools


LEARN THE PROCESS
GEARS FOR MAKERS

Our quarterly course covers everything you need to get started making gears and
using them in your projects. Gear Hobbing, Shaping, Milling and more ...


GEAR MANUFACTURING

Medium and Fine Pitch Gears made to your plan tolerances. Spur, Worm, Ratchet,
Sprocket, Helical and other non-involute forms.


GEAR MANUFACTURING & INSPECTION

Hobbing & Generating

We use the hobbing process for commercial quality gears found in machine tools
and power transmission, up to higher quality gears for advanced applications.
The upper range of spur gear sizes is up to 10" and up to a medium pitch of
12DP.  

We hob smaller "instrument" sized gears and pitches to 200DP, found in the
aerospace and dental industry.

Large tooth count gears over 300, to pinion gears with only 6 teeth.  

Spur, Worm, Ratchet, Sprocket, Helical and Non-Involute Forms

Our bevel gears are made with the generating process and can range up to 4.5"
pitch diameter at 16DP

Inspection

Plans can be specified in many ways from the practical Measurement over Pins
(MOP) & Measurement over Wires(MOW) methods, all the way up to the most modern
AGMA Standard.

We can measure using tolerances from current and historical AGMA Standards.

AGMA Quality tolerances can be measured in our Microgear system and deliver
reports. We use NIST calibrated measuring instruments on our shop floor and
throughout our inspection process. 

 

Shop Capabilities



CALCULATE AND MANUFACTURE IN YOUR SHOP

Calculators

We've shared our in-house tools to help you design, inspect, and make your own
gears. From our gear calculators to 3D gear generators these tools will make
gear production easier and more understandable. Change Gear Calculator and other
indexing machine setup tools and services.

Short Courses

Gears for Makers, a comprehensive one-day course to cover the history, math, and
techniques to get you making gears in your own shop. The course is located in
our Ventura California shop where we will split our time between design,
calculating and measuring, and half our time to machining hobbing or shaping
gears.


2024 Schedule January 6, 2024 Grinding Gear Cutting Tools March 16, 2024 Worms
and Wormgears BASH - TBD
October 12 – Gearbox Essentials
Calculator Hub
Gears for Makers


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