Finish Grinding

[nc_cooter]

Just curious, after heat treat, what grit do you start grinding and end with before hand sanding.

 

[JCaswell]

Hmmm, been doing a lot of that lately.
Assuming you're just cleaning up bevels, I've developed a liking for those 'gator belts'. I think it's 400-grit equivalent.
You might want to check out SR Johnson's posts about using cork belts on another forum (Google: "SR Johnson Cork belt tutorial" should bring up a lot of reading for you).
It's a different approach with a lot of merit.

 

[JTknives]

I like to etch my blades so i onley take it up to 200-600 depending on how im fealing and how deap of an etch i am going to do.

 

[deker]

After HT I usually go 220, 400, 600. Then I start my hand sanding process back at 400 to make sure I got all the 400 grit scratches out w/ the 600 belt. The finish the hand sanding at 600.

This may change as I start to use the PBC I just got. I'll likely go to 400 BEFORE HT, so after it would be 400, 600, then same hand sanding.

-d

 

[synthesist]

I have searched high and low for the "SR Johnson Cork belt tutorial" with out a s much as a sniff of it.

Can I buy a vowel?

Syn

 

[JCaswell]

Try this.

http://www.knifenetwork.com/forum/search.php?searchid=265493

(You'll have to sign up before you can view, but it's free so....)

There's a lot of cork belt material, Q&A and tutorial stuff with SR and others on the linked board.

 

[SteelSlaver]

I have a membership at knifenetwork and I can not find the tutorial. I would really like to read this information.

 

[butcher_block]

im a gator guy too
A300 A100 thenn depending on what finish im after A65 and A45 i need to find some of the A180s to make that 300-100 hop not take as long

 

[KamSingh]

I have a membership at knifenetwork and I can not find the tutorial. I would really like to read this information.

http://www.knifenetwork.com/forum/showthread.php?t=19319

 

[Barker]

I go at least 400. I also like a scotch brite belt.
-John

 

[Michael Lovett]

There are srveral discussions on the cork belt technique there. Just look under forums, then go to SR Johnson forum.
Tell e'm I said howdy! Mike

 

[Barkes Knife Shop]

I have searched high and low for the "SR Johnson Cork belt tutorial" with out a s much as a sniff of it.

Can I buy a vowel?

Syn

http://www.supergrit.com/products/products_belts-misc.asp This may help....:thumbup:

 

[delbert ealy]

I start at 120 after heat treat, then to 320 and then I hand sand at 400 grit. I am using O-1 and L-6. This grit progression will frutrate all of those useing higher alloy or stainless steels.
Del

 

[STR]

Since buying those Trizact Gator belts I've used nothing else. These things are great! Some say don't get em wet but I haven't seen a problem there personally. I mean I haven't soaked them but they got wet though. The other thing is that one belt lasts a long long long long long long time! Did I mention how long they last?

STR

 

[blgoode]

depends what kind of steel

I will sometimes go back to 60 grit after heat treat if I need to thin the blade down more and was too nervouse while the steel was soft enough for me to make a big oops!!

I will take 0-1 to 400 grit and etch

Hell....D2 I go back to 60 grit to thin down if I need to and then stop at 120 grit. I like a course satin finish then hit it with a scotch bright belt.

 

[Leu Custom]

speaking of belts, does zirconia really last THAT much longer than Aluminum Oxide? is it worth paying $3.40 for a 80 grit zirconia vs. $1.75 for an Aluminum Oxide? Both are made by Norton. Anyone have an idea? Thanks!

 

[bikermikearchery]

speaking of belts, does zirconia really last THAT much longer than Aluminum Oxide? is it worth paying $3.40 for a 80 grit zirconia vs. $1.75 for an Aluminum Oxide? Both are made by Norton. Anyone have an idea? Thanks!

I do 90% of my work with files. In-fact I only have a 4"x36" belt grinder that I use for handles. But I just bought my first order of zirconia belts and can say that they definitely were worth the money.

 

[blgoode]

I buy my belts from pops and I just ask for ceramics. After that my grinding got faster and my belts last longer so the extra money is worth it in the long run. For me anyway...

 

[gixxer]

That depends on how far you finished the blade before HT. I have asked that sort of question a while ago (not verbatim, but still applies more or less) and I have been finishing to at least 90% done. Meaning if it were going to be a 400 grit satin, I would probably go to 400 on the machine before HT so I could get right back to 400 after HT and not have to exert as much effort to finish. same applies to mirror finish. I worked a blade to 2000 before HT so I only had to work the 2000 after HT.

 

[Mace]

I use 36 grit and then 120 before heat treat.
After, I start at 36 again...120...then 220 then start the hand sanding at 120
The only other belts I use is an ocasional 400 grit and a 60 micron for edges.
Mace