Evolvent Design YouTube Videos

There are endless combinations of machines, tooling, automation, code, materials and skill that we find interesting. Our projects are a balance of the fundamental machine shop skills coupled with modern processes. We use modern tools to breathe new life into old equipment while paying homage to the rich history that led to their development

We're in the process of posting our collection of YouTube videos to keep everything searchable and all in one place. We have more videos on our channel and if you like what you see, please consider subscribing

[Video] Hobbing a Helical Gear (Differential Method)
by Andrew Prestridge November 9, 2021
Watch on YouTube Robert Hermann Pfauter (RHP) invented the method of hobbing helical gears by adding a differential mechanism to the drivetrain o...
- Read more
- 1 comment
[Video] Vacuum Oil Removal & Recycle Tsugami (Part 2)
by Andrew Prestridge July 30, 2021
Watch on YouTube Removing oil from your machine is easier than ever with correct methods and tools. Our Tsugami hydraulic oil sump has an unknown ...
- Read more
[Video] OD/ID Grinder Restoration Tsugami (Part 1)
by Andrew Prestridge July 26, 2021
We restore this beautiful Tsugami cylindrical grinder from 1952 back into working order. There can be many hurdles in a project like this and we will show you the tools, techniques to keep the project moving so you do not get stuck.
- Read more
[Video] Jacobs 14N Super Chuck Rebuild
by Andrew Prestridge July 23, 2021
Today we're rebuilding an "old-style" size 14N Jacobs Super Chuck, our favorite for its balance between overall size and capacity
- Read more
[Video] Clock Dial made with an Ellis Dividing Head
by Andrew Prestridge July 21, 2021
We used our Ellis Dividing Head to make a new clock for the shop! Given a simple dividing instrument, a drill press and some manual tools, you can achieve the same result
- Read more
[Video] Jacobs Chuck Collection
by Andrew Prestridge July 16, 2021
A prime example of toolholding from the early 1900s, the Jacobs Super Chuck is a staple in machine shops around the world
- Read more
[Video] Ellis Dividing Head - How-to Use an Indexing or Dividing Head
by Andrew Prestridge July 14, 2021
Precisely dividing a circle into multiple segments can be a challenge for the manual machine shop, but the Ellis Dividing Head makes quick work of it
- Read more