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Messages - Sharpco

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391
General Tormek Questions / How to Apply PA-70 to Leather Wheel
« on: October 25, 2017, 04:05:01 am »
https://youtu.be/fYURcwkKGPs?t=6m44s

Jeff Farris puts the compound on leather wheels very easily.

I tried the same way but failed. The thread on the tube scratches the leather wheel and the compound has accumulated on the thread.

What is your preferred method?

392
Knife Sharpening / Re: Tormek is good, but can't thinning. So...
« on: October 25, 2017, 03:16:29 am »
Ken.

I tried thinning behind the edge with the Tormek. My choice is abt. 7 degrees. There are no 7 degrees on the scale of the Angle master, but the rough setting is possible. The result was not bad. Thinning behind the edge is possible with Tormek.

However, the thinned surface does not appear broader when using a whetstone or belt sander. People don't like it.

Another problem is that a small knife cannot be set at a sufficiently acute angle.

393
Knife Sharpening / Re: Another way to honing with Tormek
« on: October 24, 2017, 02:06:49 pm »
What you see there is pure Chromium Oxide 0.5 micron, the same that Professor Verhoeven used - available as CHROMOX, and other branded names in straight razor shops. Note that Green Rouge and other green buffing compounds is not the same as Chromium Oxide, they have varying abrasive particles 0.5 to 3 micron in size, largely Alumina.

First spray the leather wheel with a diamond spray, and switch your Tormek on to let it dry off; then rub diamonds into the leather with a gloved finger and little light oil. Then run a blank or junk blade to sweep away loose crystals - if you don't they may get dragged out and scratch your precious knives.

@CBWX34 - I started with diamond oil-based pastes, but quickly over-oiled the leather wheel, it became slick and stopped doing its job; therefore I had to switch to alcohol-based sprays.
I don't doubt what you say, it depends on frequency of application.

You pick the honing compound depending on the grit you've set the edge - I name a few I use myself:
After #220-400 (coarse SG wheel) it is Autosol, from 10 to 6 micron diamonds;
After #800-1000 (fine SG wheel) it is Tormek compound, from 5 to 2.5 micron diamonds;
After #4000-5000 (SJ wheel) it is Chromium Oxide, 0.25-0.5 micron diamonds.

Some forumers here have several leather wheels with different compounds on them.

Thank you very much.

I think Chromox is much more expensive than the PA-70. Is Chromox use less than PA-70?

And how to apply the Chromox to the Leather wheel?

394
Knife Sharpening / Tormek is good, but can't thinning. So...
« on: October 24, 2017, 02:47:58 am »
I believe Tormek is a great sharpener.

But even though I think and think about it, there seems to be a definite limit to making the blade thin with Tormek.

A seriously worn knife must be made thin, and some people require thinning it every time I sharpen.

How do you solve this problem?

I think there is only way to use Belt sander for quick work.


395
Knife Sharpening / Re: Another way to honing with Tormek
« on: October 23, 2017, 12:03:23 pm »
cbwx34.

Thank you.  ;)

396
Knife Sharpening / Re: Another way to honing with Tormek
« on: October 23, 2017, 11:55:47 am »
wootz.

Thank you for sharing your experience.

By the way, I saw your leather wheel with green compound on your website. Is there another reason to use Green Compound instead of PA-70, besides grit?

And where is this compound sold? And I would be very grateful if you let me know how to apply it to the wheel.

397
Knife Sharpening / Another way to honing with Tormek
« on: October 23, 2017, 04:41:43 am »
I don't like the PA-70. because.....

1. The powder falls.
2. When touching the surface, the black compound is on my hand.
3. The residue must be wiped off the blade.

So I am looking for something else to use on the Tormek leather wheel. For example, Bark river CBN Emulsion, DMT Diamond spray, etc ...

What do you think is the best abrasive that can be applied to it?

398
Knife Sharpening / Re: Better than Paper wheel or Buffing wheel?
« on: October 23, 2017, 03:55:00 am »
Thank you.

Your reply has been helpful. :)

399
Knife Sharpening / Re: Finishing with SJ-250
« on: October 22, 2017, 01:39:53 pm »
wootz.

Thank you so much. I will try again.

I have a question. What is the BESS result after you have used the Honing wheel?

400
Knife Sharpening / Re: Finishing with SJ-250
« on: October 22, 2017, 09:03:40 am »
Yes. I could get a sharper edge using the honing wheel after the SJ-250.

401
Knife Sharpening / Finishing with SJ-250
« on: October 22, 2017, 04:55:01 am »
Tormek said......"Since the surface left by the Japanese Waterstone is so fine, we do not recommend honing afterwards on the leather honing wheel."(https://www.tormek.com/international/en/accessories/grindstones/sj-250-tormek-japanese-waterstone/)

But in my experience, the SJ-250 finished knife is not sharp enough. There is a big difference compared to the honing wheel.

Is your experience the same?

402
Knife Sharpening / Better than Paper wheel or Buffing wheel?
« on: October 16, 2017, 10:32:43 am »
Do you feel that the results of Tormek's Honing wheel (PA-70) are sharper than paper wheels and buffing wheels?

403
Knife Sharpening / Was it the PA-70 John D. Verhoeven tested?
« on: October 14, 2017, 02:07:32 pm »
http://www.bushcraftuk.com/downloads/pdf/knifeshexps.pdf

Does the Chrome oxide compound on page 27 mean the PA-70?

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