Medium Speed Grinder Improvements

Build Process description available here

This photo shows a collection of simple modifications I made to my medium speed (1450 rpm) bench grinder, which is the main powered sharpening tool I have. I'd originally fitted a Tormek BGM ("Bench Grinder Mount") to allow me to use Tormek jigs on the bench grinder, but the way I'd mounted it limited me to using it on only one of the wheels.

The updates I made are all described in detail in this sequence of linked pages, but can be summarised as:

• I added a CBN wheel to the left-hand side (with some home-made bushes) to replace the original aluminium oxide wheel.
• I added some rivnuts and replaced the Phillips screws with cap screws to make it quick and easy to get the covers off.
• I 3D-printed a new mount for the Tormek support so that it can be used on either wheel.
• I made a new "universal support" that sticks out both sides so I don't have to flip the support back and forth. As the two wheels are the same diameter (and will stay the same diameter), I can set up a Tormek jig for the coarse wheel and then switch to the fine wheel without changing anything.
• I made a speed nut (the brass nut you can see in the picture above) to make it quicker to move the nut around on the shaft.

I am a hobbyist metalworker and woodworker. I work as an electronic design engineer and spend most of my working days in front of a computer so I enjoy having the opportunity to use my hands and make things in my spare time. I particularly enjoy making tools as I can then use them on other projects. This website showcases some of the things I've made.

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