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Knife Sharpening / Re: How to use chromium oxide paste
« Last post by wootz on Today at 03:47:13 am »
Chromium Oxide is no way an alternative to the Tormek honing paste, no. Chromium oxide on a 2nd leather wheel is used for edge refining AFTER the edge has been deburred on the 1st wheel with the Tormek honing paste PA-70.
This extra step of honing is for high-end knives. We finish on chromium oxide to clean up the deburred areas on the edge from any weak metal left after the burr breakout to get an “ideal” apex that will stay keen for longer.
Knife Sharpening / Re: How to use chromium oxide paste
« Last post by Ken S on Today at 02:38:13 am »
Strictly out of curiosity, what are the advantages of using chromium oxide instead of PA-70?

Knife Sharpening / cutting board video
« Last post by Ken S on Today at 02:35:01 am »
I like the America's Test Kitchen reviews. This one has a lot of good information on cutting boards, good information for knife sharpeners. Here is a link:

Knife Sharpening / Re: How to use chromium oxide paste
« Last post by wootz on Today at 12:59:02 am »
Hi Torben,

Using the Tormek oil the way you did is absolutely OK.
But the thick layer of chromium oxide may round the edge. The rightly applied should look like a leather "painted green", not like a layer on the leather.
You simply need to scrape off the excess of the chromium oxide paste by passing the spine of a knife across the rotating wheel, press the blade near perpendicular to the wheel.
After that, as you start doing your knives, you will see that the edge on the first couple of knives may not come out as sharp as it will on the following knives - the thinner the chromium oxide, the better the result. So do not reapply it too often, only once in 4-6 months.
Knife Sharpening / Re: How to use chromium oxide paste
« Last post by van on Yesterday at 08:41:45 pm »
  I have read that many to clean the chrome oxide on the leather wheel use the refined blessings for Zippo type lighters. To make chromium oxide creamy, you can dilute it with liquid vaseline.
Surely other forum members will give you more precise information.
Don't worry, everything is resolved  8)
Knife Sharpening / How to use chromium oxide paste
« Last post by TorbenDenmark on Yesterday at 08:19:10 pm »
Hi sharpeners  :),

I have run into some problems, so I hope you can help me. 

I bought a new leather wheel with the purpose of dedicating it to chromium oxide. I then ordered some chromium oxide paste, which I can no longer find online, but it is shown in the 1st attached picture.

When I received and opened the can of paste it was to my surprise very hard. Not like paste at all but more like a block of honing compound. See 2nd attached picture.

As I had no way of getting it out of the can, I applied a little of the oil that came with the leather wheel and with the help of a toothbrush I was able to dissolve (dilute?) some of the 'paste' and apply it to the wheel.

I have done this several times prior to using the wheel and now I am unsure if it was the right thing to do. The wheel now looks like this (3rd attached picture) and if you look closely you can see that the 'paste' sort of rolls off. During use it can get a lot worse than shown on the picture and even though I regularly stop and wipe it away, I believe it is not supposed to be like this.

So... What am I doing wrong? and what must I do now to get a well working chromium oxide wheel and how should I do it in the future?

Thanks in advance  :)
General Tormek Questions / Re: Retired my old SB grindstone
« Last post by Ken S on September 21, 2019, 02:02:19 pm »
Steve Bottorff used eight worn grinding wheels (a pair in each corner) as wind protection for his sharpening stand. In addition to being practical, they sent out a subliminal message that he was a very experienced sharpener.

With the water trough removed, a 250 mm SG or SB wheel will fit on the T4. It can only be used dry this was. The bore length of the T4 and T8 wheels is close enough that normally no extra spacers are needed. I can see possibilities for 250mm felt wheels used this way. I would question the added weight of the thicker stones on the T4 motor.

Incidentally, T4 wheels can work with the T8. This can be useful as some wheels such as the Norton 3X wheels are only available in 200mm diameter.

Knife Sharpening / Re: An alternate jig setting knife block
« Last post by Ken S on September 21, 2019, 01:41:45 pm »
Good thoughts, John and Fernando.

We are not limited to one or the other, to fixed OR variable. Nor are we limited to just one fixed length. As an example, imagine we have one hundred knives to sharpen. While I believe most kitchen knives fall into the fixed setting category, I can imagine that some might not. We want both the speed of the fixed set up and the flexibility of the variable set up. Part of the designed efficiency of kenjig type set up tools is to allow returning to the fixed settings without the need of further calculations or measurement. This easy return allows us to capitalize on the individual precise adjustments for a non fixed knife without giving up the efficiency of the fixed system.

Fernando, I like your idea of the double ended block. It reminds me of the janjig. Jan started with the single Distance slot and added a second slot. The second slot allows him to use one tool to set the distance for both the grinding wheel and the honing wheel.

Angle control systems should give us a reliable, simple starting point. They should be flexible and adaptable to our individual needs and desires. I believe this technology is evolving and will become increasingly useful as more forum members develop and modify it.


General Tormek Questions / Re: Retired my old SB grindstone
« Last post by jeffs55 on September 21, 2019, 12:11:36 pm »
Put them on eBarf but make a note they can be used on a T4. Otherwise no one will know. They are way to heavy for paperweights or doorstops.
General Tormek Questions / Re: Retired my old SB grindstone
« Last post by RichColvin on September 21, 2019, 03:49:52 am »
It can be repurposed for a T-4 with no changes.  More details about using a worn down 250mm stone on a 200mm machine are at this page :

I looked into this, and while it is an option, it didn’t merit the cost of a T-4 for me.  (I’d opt for a second 250mm machine instead.)

What is generally agreed is that, if you need a T-4 anyway (e.g., to carry it to a farmers market), then this may be a good option.

In the 17 years I’ve owned the T-2000, I’ve totally consumed only two grindstones :  One SB-250, & one SG-250.

Kind regards,
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