I Made a BIG 2x160" Belt Grinder (50x4000mm)

The other 2x72" belt grinder I made four years back has been the most used tool in my workshop ever since. So I decided to make a bigger one that can run belts up to 160" and features swappable arms for different wheels and attachments. The only parts I bought new for this build are the 12" contact wheel, pedal switch and concrete, all steel found at the scrap yard. Of course I also order custom sized belts (50x3500) in variuos grits, the 320grit one you see at the end I glued myself with ca and cloth and ended up breaking within the first 5min of use.

Design loosely inspired by "Bader Space Saver" grinder I have seen used by Matt and Ilya over @ThatWorks . What looks like a great belt grinder that is still being sold here: http://www.stephenbader.com/product/b...

Some of the parts for this grinder were made in other videos:
Tracking wheel:    • Aluminum Cast Belt Grinder Tracking W...  
Knobs:    • How I make Flask AND Custom Aluminum ...  
Aluminum bars:    • Make Free And Custom Cast Aluminum Ba...  
Motor and drive wheel:    • From Broken Pump To Belt Grinder Moto...  

00:00 Base And Main Frame
03:11 Tensioning Arm
09:37 Tilt Adjustment
11:37 Tracking Mechanism
17:18 Contact Wheel Arm
20:53 Motor / Drive Wheel
22:11 Tests

Some of the videos about tools I use:
Big drill press:    • EXCELSIOR Drill Press Restoration | H...  
Magnetic vise for big drill press:    • DIY Electromagnet | Vise For Excelsio...  
Small drill press:    • ROSA Drill Press Restoration | The Be...  
Regular Drill Vise:    • A Decent Vise For My Rosa Drill Press...  
Buffer:    • 1950s Italian Bench Grinder / Buffer ...  

Thanks a lot for watching, I hope you liked the video!
Suggestions and comments are welcome.
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