new belt at supergrit

Well color me dumb! :o :foot: I would have sworn the 984 was a few bucks more per belt than the 967... I went to Pop's site to order some more belts and realized the cost for a 60X is the same!
 
probably like alot of you I have tried every belt under the sun, plus a few. I have finally settled on the 3M 967's. For me they seem to be the best all around belt but I only grind carbon steel.....Like to add I get them from Pop's
 
mike malosh said:
probably like alot of you I have tried every belt under the sun, plus a few. I have finally settled on the 3M 967's. For me they seem to be the best all around belt but I only grind carbon steel.....Like to add I get them from Pop's
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Same here, Mike.

I also like the 984, it's a little more aggressive, but has to run fast with heavy pressure. I like that you don't have to run the 967s' as fast to expose new grit.

Both work much better than Blaze for me.
 
I don't mean to hijack but I am going to be testing out some Klingspor ceramics, they are green and are the CS 910 as far as I know. Has anyone tried these? I am told they are fairly new to the market and are supposed to be a good hogger.
 
ok since im not havign a good day at the grinder i can update on the belts
if you hog masses of steel off a thick blade and can push hard this belt is for you. i had the KMG at 80HZ (1750rpm motor) with the 36 grit and it hogs well if you can push har into it (it does not brake down fast) the cutting action was ok but it was much improves by using the corner of the belt. this belt is not for me
i wanted so for it to be better then the blaze and for my work it is not. my search will continue

ooo and no there is no back coating to build up on your platten
 
Grayzer86 said:
I don't mean to hijack but I am going to be testing out some Klingspor ceramics, they are green and are the CS 910 as far as I know. Has anyone tried these? I am told they are fairly new to the market and are supposed to be a good hogger.
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I have some reddish brown Klingspor ceramics. Hate em. They're 36 grit, they wear out fast, some of them wobble horribly, and they throw a lot of chunks of grit at you. Once they're done throwing chunks of grit at me, my old worn out 80 grit blaze ceramics cut twice as fast...
 
Yep, I love the 967 Cubitrons!

The belts from supergrit sound interesting though....always willing to try something new!

NickWheeler said:
Man, they call you to let you know that stuff? I must rate low on the totem pole ;) LOL

I thought all belts left crap on the platen?

My current favorite rough grit belt is the 3M... uh I can't remember if it's a 967 or 977 or??? It's yellow. IME, it lasts longer than a Blaze, and you don't have to try to push the grinder over or run it ballz out, in order to make the belt work.
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Thanks for the report, Butch, they are certainly not for this old guy who can hardly hold the blade up to the belt if they need lots of pressure to work well. Frank
 
i can tell you this when i di lean on it it sure did grt rid of steel
i might keep a ew around for hogging off bowieis or profiling blades
 
I just ordered some to try out.
 
butcher_block said:
i ll be looking for that vary thing nate and also how it brakes down to expose new grit (this is a big one for me since i cant really lay into the grinder like a bowie maker can )
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I guess you're referring to the Bora 7. Mine should be in mid week. Arturo did warn me about the pressure aspect but I suspect a nice stick of heat treated 1/2" thick by 1.5" x 6" or so inches could be crammed into it once in a while to "bring out" the underlayer. I've got my fingers crossed too.
 
i have tried nearly every brand and cutting compound/material out there. I have to say that blaze belts kicks butt. The even grind pattern even when they are used is a real time saver. I dont get heat and pressure spots on my blade from uneven over exertion of pressure to make it grind and can use the belt again and again with crisp results.
I hog with 60 blaze then go to trizac and finish with kilngspor 400 then hand rub with rynowet ( for my edc blades ) I finish to a higher grit belt for pieces requiring better finish.
The even grind the blaze initially sets down i find is a great starting point that doesnt result in those unexpected deep scratches that has happened with other brands.
Sorry for hijacking and its great to hear what is new out there
 
I apologize for resurrecting this thread, but I recently purchased a few of these Bora-7 belts (36-grit) from Supergrit and had a chance to try one out yesterday. I think that my experience may be a bit different from Butch's... but I'll give my impressions.

  • At $8 a pop (for 36-grit), they are a couple bucks cheaper than 967, 984, Blaze counterparts.
  • They are REALLY PURPLE.
  • The belt seemed to cut very well, and very smooth. It was aggressive, but cut clean. I'd rate it similar to Blaze in aggressive cutting and cleanliness of cut... I think that it cut cleaner/better than the 3M 977 belts I've used.
  • This belt seemed to track OK on my KMG... no wobbling.
  • While it cut well when sharp, the belt did not seem to last quite as long as Blaze or 977s. I've never used 967 or 984 (Yet), so I can't compare to them.

I'm not sure whether my testing of this belt was fair as I did some MASSIVE hogging on a large fixed blade, including grinding in distal tapers and primary bevels. The belt was running balls-out on my KMG and pushed hard against my flat platen. It cut very nice to start, but by the time I got to finishing up taking my bevels to pre-HT thickness, I ended up swapping out with a partially used 36-grit blue zirc that I had hanging on my rack.

This is a photo of me pre-grinding a significant distal taper into a long/wide piece of 1/4" W2 prior to bevels. There was a lot of metal in contact with the platen and it was being run fast and hard. Probably need to invest in one of Nathan's platen chillers. ;)
9242804465_d17b97b9b6_z.jpg


I think that the Bora-7 is a solid cutter at a decent price. I'm not sure that these belts will make it into my regular rotation though. At this point, I feel like I almost prefer the cheaper 36-grit blue zircs that I get from Pops for heavy pre-HT hogging... and will likely stick with ceramics (Blaze or maybe try some 967s) for post-HT (prior to hitting the disk).

Just my opinion. Your mileage may vary. :)

Erin
 
I had the same general experience as Erin. I was using 80 grit Bora belts to finish grind some 3V and 4V blades after heat treat. The Bora cut very clean and aggressive for a couple minutes, but then glazed very fast giving no cut to speak of at all. I normally use Blaze for the beginning of the finishing operation and after the lackluster performance will continue to do so. I have not tried the 3M belts yet, but have not found anything that cuts the higher vanadium steels better post heat treat than the Blaze.
 
I used to use a 36 grit then i went to using 40 grit. Don (if i remember right) told me he uses 60 grit and talking to a few other makers they also go no lower than 60 grit. So i switched to 60 grit and haven't looked back. It always seemed like the 36 and 40 left very deep scratches that wasn't necessary and took more work to get them out. I buy 25 60 grit 967's at a time and it seems to actually save me money. But that is just me.
 
I was lucky and got onto the 967s early- haven't found anything that I like nearly as much. 60g, cleanup on 120, then on to the Trizacts.
 
Erin Burke said:
I apologize for resurrecting this thread, but I recently purchased a few of these Bora-7 belts (36-grit) from Supergrit and had a chance to try one out yesterday.
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Thanks for the grear review, Erin! :thumbup:

Erin Burke said:
Yeah... seems like I'm heading that way. Which do you prefer in large (36-40) grit? In what situations does one perform better than the other?
Thanks Don.
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I've tried the 967's on the recommendation of many talented makers and didn't care for them. The 984's work well for me, but the 977's continue to be my favorite 3M belt.
 
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