2x72 Grinder with Pneumatic Tension

I

interruptedCut

Joined
Jan 5, 2021
Messages
3
I've gained a lot of inspiration from this site and others when building belt grinders so I am hoping to do the same for others. I've always wanted to try a grinder build with pneumatic tension and it works so that's cool. I am also a fan of the tracking adjustment axis being neutral with the tracking wheel.

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Well, you sure made a splash for your first post to the forum. Nice (very nice) grinder. You did lots of good thinking and planning for that build. I like your tracking setup - very neutral. I do hope you found a good source for the extruded aluminum you used - that stuff is EXPENSIVE!! You do have a VFD on a grinder that nice?

Good job.
 
Very impressive. I have a Bob Dozier grinder that uses air pressure instead of a spring or strut.
 
Very nice work,

With that single phase motor you will not get the full potential from you grinder.
 
AVigil said:
With that single phase motor you will not get the full potential from you grinder.
Click to expand...

You're right, of course. I was torn between wanting the portability of 120volt access and having never had an adjustable speed grinder, I didn't know what I was missing. There's hope yet, as I'm upgrading my older grinder and a motor is on the list. It's a benchtop grinder, so I may swap the single phase over to it and get a motor/vfd combo from automation direct for the one pictured.
 
That's awesome. Do you have a vid of the tensioning and the tracking adjustion in action?
 
80/20 is GREAT stuff! Light, rigid, and easy to work with. Fine job!
 
Extruded aluminum track, like the 80/20 he used can be found on ebay and such really cheap from time to time. I bought a 60" sold bar with T-slots on all sides in4"x4" and 48" of 6"x4"with double slots on the wide sides for about $50 ... with free shipping. Something someone just wanted to get rid of.
 
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