Ameribrade Rotary Platen -Reviews?

imill3567

imill3567

Joined
Aug 5, 2014
Messages
378
I’m considering an Ameribrade rotary platen. I think it’d be something interesting to experiment with putting a slight final convex on some knives and maybe improve belt finishes. Does anyone have an Ameribrade? I notice it has fewer spans at 6, 8, and 10 inches it’s missing the very short therefore tight side that others have. If anyone has any feedback please let me know! Thanks
 
I never use the short span on my KGM type rotary platen. In convex grinding the larger soans are far more useful. If you need tight and barely flexing, just use a padded flat platen ( leather or graphite pad).
 
I had an Ameribrade grinder and rotary platen. I feel like it worked amazingly well - however, it's the only one I've ever used, so I can't offer any comparison. I used it for convex grinds to zero on kitchen knives, and for general belt sharpening (it completely eliminated belt bump). I used the medium spacing almost exclusively, but did try them all.

I will definitely purchase another one when I get a shop put back together. For the price difference of others on the market, I have a hard time imagining they're significantly better or more functional. I don't have any pics of the platen, just the results:


View media item 9674
 
Sam Dean said:
I had an Ameribrade grinder and rotary platen. I feel like it worked amazingly well - however, it's the only one I've ever used, so I can't offer any comparison. I used it for convex grinds to zero on kitchen knives, and for general belt sharpening (it completely eliminated belt bump). I used the medium spacing almost exclusively, but did try them all.

I will definitely purchase another one when I get a shop put back together. For the price difference of others on the market, I have a hard time imagining they're significantly better or more functional. I don't have any pics of the platen, just the results:


View media item 9674
Click to expand...
That is one of the main things I’d like to try, a slight final convex to zero on kitchen knives so that is very useful feedback thank you! I’m also glad the super short side may not be all that useful Stacy E. Apelt - Bladesmith Stacy E. Apelt - Bladesmith thanks!
 
Agree with Stacy, I've never used anything but the long span. I have tightened it up a bit or loosened it for differing effect.
I have the beaumont. Be careful going to zero, and also at the tip. I slow down quite a bit and grind wet. It can burn your blade edge in a blink.
 
Stacy E. Apelt - Bladesmith said:
I never use the short span on my KGM type rotary platen. In convex grinding the larger soans are far more useful. If you need tight and barely flexing, just use a padded flat platen ( leather or graphite pad).
Click to expand...
Are there any advantages to using carbon over leather? Where would you get a product like that?
 
Brock Cutlery said:
Agree with Stacy, I've never used anything but the long span. I have tightened it up a bit or loosened it for differing effect.
I have the beaumont. Be careful going to zero, and also at the tip. I slow down quite a bit and grind wet. It can burn your blade edge in a blink.
Click to expand...
Thanks for the tip. I do have a VFD and planned to slow down pretty far and I may end up grinding wet too we’ll see.
 
The graphite platen padding is a standard product you buy by the foot. It is a canvas filled and covered with a graphite compound. Some comes adhesive backed and some you have to use double sided tape or contact cement to install.. You use it until it is worn away or dished out and replace it. It lubricates the belt to reduce friction. Leather works as well but is a bit more work. Leather probably wears faster, too. The 2" graphite stuff is about $3 a foot, even less if you buy a roll.
 
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