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Messages - cbwx34

Knife Sharpening / Re: New angle jig KS-123
Yesterday at 03:07:36 PM
Quote from: tgbto on Yesterday at 11:04:33 AMI've just watched the video where Tormek demonstrate the use of the KS-123.

I don't know yet if I'm going to buy one, because I feel the calculator method serves me so well. Still it is quite appealing to dispense with measurements, especially the wheel diameter one. All in all, if I didn't have my vernier calipers already, the KS-123 would be the obvious choice. It is not very expensive.
I don't find it's necessary to measure the wheel diameter as accurately as once claimed.  A simple ruler will suffice, and only needs to be updated periodically.  I mark the measurement on the wheel with a Sharpie, and don't bother checking it again until the marking is worn off.
A few comments on the video :
- I would have loved to have a vernier on the jig itself. Not necessarily to chase one tenth of a degree, but rather to improve the overall precision. Maybe they could just add a few markings on the composite needle plate that would help with centering on degrees or half degrees marks.
I think the markings are adequate... it's pretty easy to judge "half degrees" if wanted.  But really not necessary for its intended purpose.
- It's quite funny to see them still struggling with their explanation that earlier methods (AngleMaster, uncontrolled honing, ...) were "not complex, but more complex" but really you should buy the KS-123 (and the MB-102).
Tormek has always "struggled" denied that the AngleMaster didn't work properly on knives with a taper... so probably the reason they struggle now?
- Couldn't the KS-123 also be used in combination with the sharpie trick to measure the edge angle of an unknown knife ?
Yes, once you do the "sharpie trick" just set the Projection Distance (or "protrusion" as Tormek calls it) on the KS-123, "snap" it on the USB, set it on the wheel per instructions, and it will tell you the angle.
- The fact that the KS-123 can be used with the SVM-00 assumes that it is easy to center the blade with respect to the plane of symmetry of the SVM-00. Spoiler alert: it is not. so using it the way it is demonstrated with a sloyd knife is a recipe for disaster: one will most certainly alter the edge angle of the knife and make it assymetrical. If you want to use the KS-123 with the SVM-00, you should take the time to center the blade first, with careful and repeated use of the sharpie trick. If it were easy, it would be demonstrated by Wolfgang in his video about the SVM-00. On the contrary, Wolfgang explains how to not center it.
Obviously depends on the knife, but I've used the SVM-00 a bit (more when I used a Wicked Edge sharpener for some reason), and didn't think it was that difficult to set up a knife... does take a bit of practice though.

Of course, some of the above depends on your methodology... if "decimal point" accuracy is important, I think a calculator will still be the preferred way to set things up, as well as more accurate measurements.

Quote from: tgbto on Yesterday at 02:04:02 PMDutchman, what side piece are you referring to ?

I'm guessing the MB-100 portion where you sharpen on the side of the wheel.
Quote from: tgbto on Yesterday at 02:01:08 PMThe particles seem quite coarse. So it looks more like the edge is somehow getting microchipped away. It would be interesting if you could somehow get a microscope shot of the edge and the particles.

Can't really do microscope pics... mainly just wanted to show the wheel does abrade away ceramic.  (In reality, doesn't the wheel also "microchip" steel to an extent?  You're left with a similar "dust" in the water.)  I can tell you that running a fingernail down the edge is pretty smooth.
Quote from: guitar_edg on May 28, 2024, 09:30:32 PMHi All,

When sharpening chisels, and knives, how much pressure should I apply to the item being sharpened.  I am not using a lot of pressure, but from the videos I can't tell.



(This does not apply to Diamond wheels.)
Quote from: Ken S on May 28, 2024, 04:55:10 AMThis surprised me. Thoughts?


I'll give it a little credibility...

I have a cheap KitchenAid ceramic knife, so I gave it a shot.  I graded the stone fine, wiped out the trough, then put in some fresh water.  After a dozen or so passes per side, I checked the water...

You cannot view this attachment.

... and there was a little improvement in sharpness, although nothing spectacular.  (The only way I've seen a real improvement in sharpness on a similar knife was with a diamond belt on a Worksharp.) Thinking about it, I probably should try a bit of honing... even though a burr isn't created, it might help refine the edge.

As mentioned above, I'm sure quality plays a part.
Quote from: v6turbo on May 26, 2024, 11:59:37 PM...
i thought the laser would help when lifter to keep all of the blade edge cutting from the same spot on the stone, to keep the same angle.
Am i misunderstanding this part?

The knife jig maintains the position on the stone.  Yes you could use a laser if you want to try and manipulate the position, but the constraints (design) of the KJ-45 wouldn't make that practical IMO.  The laser is most useful if you want to freehand sharpen on the Tormek.

The more curve in the belly/tip area, the less practical lifting is... as tgbto mentioned, that's where trying to pivot or rotate a bit to maintain the angle (or bevel width) comes into play.
Quote from: v6turbo on May 25, 2024, 09:54:12 PMhello

I have been using this off and on for awhile - I just do my home knives -

I have an APEX sharpener but it took so long to do a knife especly mirror polish.

however becuase i dont use this daily i have a few issues i need help with.


1. Curved end of blades my angle is off  is off (im lifting like the videos show)
Where you clamp the blade in relation to the belly/tip area can affect the angle.  So, for example, if the angle is too shallow, try clamping closer to the belly/tip area.

2. when trying to grid I get different lines through the grind because i cannot possibly follow the exact line every time  when lifting (above)
I'm not sure why you're not following the same line if you're using the jig?  If you're lifting the handle, make sure you don't rotate and/or twist the handle to follow the curve.  Lift only, at least while learning.  Also watch the water flow over the blade... it will tell you when you reach the curve, and as you lift the water help guide the movement.

3. honing is difficult without a guide
My suggestion if freehand honing, is to start at a lower angle than you sharpened, then slowly raise the angle.  When you reach the edge you will hear and feel it.  Hone at that angle, or slightly higher. Tormek also has a class on honing: The Basics of Honing

is there a jig that can help with the tip/round parts? 
Is there laser that can be projected on the wheel to help cutting in the same spot? i know this is still prone to varying degrees of error but its would definitely help
There is, but I guess I don't understand the need for this if you're using the knife jig.

is that an jig for the honed side to match the angle?
There is the Front Vertical Base (FVB) or Tormek's MB-102 (that incorporates an FVB) that allows you to mount a Universal Support Bar (USB) so that it's in the same position for honing, and you can set the angle and hone the same way that you sharpen.  It's demoed in this video:  MB-102 Multi Base...

Honestly, to me it sounds like you just need practice.  But I tried to add a couple of tips that may help.
Quote from: Dan on May 25, 2024, 05:01:15 PMSort of off topic of the USB measurements but....
you are saying that a worn down 250mm wheel (blackstone, say) would be OK to mount on a T4 if someone wanted. I ask as someone was wondering if Tormek had plans to make a 200mm blackstone.


Yes you can mount a worn down 250mm stone onto a T-4.  For example:

Using 250mm stones on the T-3 / T-4
Quote from: troflog on May 25, 2024, 02:16:51 PMI sharpen my knives on the Tormek with good results.
But scissors: No
My steps:
1. Use sharpie to set the angle
2. Grade my stone to 220
3. Sharpen with at least 10 passes for each blade
4. Feel for burr. If no burr then sharpen more
5. Use the separate blades and close method to debut

I tried to sharpen 5 scissors and got bad results on all. They got sharper but not close as the sharpness of new scissors.

All my scissors are cheap Ikea one. Some normal and some children sized.

Any tips? Have I over sharpened my scissors?
Do the quality of the scissors has any effect?

Based on the steps you listed, I would grade the stone and finish at a finer grit.  I usually leave it in it's "neutral state" which is between 220 and 1000, but if I had to grade it to sharpen scissors, I'd use the 1000 side.

Here's an oldie but goodie video that might help...

... and Tormek's more recent live class...

... which may offer some additional info.
Quote from: RickKrung on May 25, 2024, 01:52:00 AM
Quote from: RichColvin on May 24, 2024, 09:24:47 PMBoth have legs which are 145mm long.  The difference is in the top bar

  • US-105 = 305mm
  • US-103 = 295mm

As noted, the US-103 is 10mm shorter to accommodate the 200mm grindstone which is 10mm thinner than the 250mm grindstone.

10mm difference in length???

250mm - 200mm = 50mm

The width of the stone... 50mm vs 40mm
Knife Sharpening / Re: Simple Platform Jig
May 24, 2024, 06:31:00 PM
Quote from: tgbto on May 24, 2024, 08:55:42 AM...
A quick note on a design choise (which I am not sure is wise): the (grey) sliding platform is more or less self-locking inside the (blue) support. One has to flex it a bit by pressing down in the middle so it slides easily, then release it so it locks back in place, and the (red) back thumbscrew is just here to secure it in place and prevent bending. I might have to play with tolerances and/or add a bit of teflon or the like on the outer surfaces in contact with the support so it slides more smoothly but still locks without significant radial play..

Guess I don't see the need for a "sliding platform"... the Platform should accommodate just about any size knife without the need for this?   ???
Quote from: tgbto on May 24, 2024, 04:47:31 PMKen, I understand your point.

But again, I think this is one of the points where the fact still shows, that knife sharpening is what I call an afterthought for Tormek.

Maybe they should think of a "Premium Knife Sharpening Edition", with the knife jigs, new angle setter instead of the AngleMaster, MB-102 and US-430 instead of US-10x.

And of course a redesign (or return) to a more knife specific machine...

... one need only look at the post count in this forum to see where the interest lies. ;)

p.s.  If you live in France, there's a T-4000 on eBay...  ::)
Knife Sharpening / Re: SP-650 use on SJ-250
May 23, 2024, 10:48:49 PM
It may "rough it up" a little, but the SJ stone is so soft, the affect would be short lived.  I would also add that they don't consider the SJ stone as having "adjustable grit".

However, although the Tormek website says you can use the 1000 side to clean the SJ stone, Tormek in one of their online videos recommends not using it at all...

Instead, they suggest to use a scotchbrite pad, or as tgbto said, a rust eraser (which is what I use also.)
Knife Sharpening / Re: T4 Blackstone
May 23, 2024, 02:27:47 PM
Quote from: jkSharp on May 23, 2024, 12:09:22 AMThrough search I've only seen one or two posts on this over the years.

Long story short I desperately want a Blackstone equivalent for my T4 and the after market ones just don't cut it when it comes to Tormek and quality control.

Any chance they are going to release one? We already have 8in diamonds and Japanese wheels.

Would any T8 user be willing to sell/send me a worn down T8 Blackstone?


I can't find it now, but someone from Tormek posted that they had no plans to make an SB stone for the T-4.
I'll third the... if you can afford it, put the money toward a US-430.

Quote from: Swemek on May 23, 2024, 10:51:02 AM...
I can not not find out what the difference is between the two, all i could find was that the 103 weights 74 grams and the 105 72 grams. I know that 105 is for the larger models.

Quote from: Swemek on May 23, 2024, 11:38:34 AM...Also the weight spec on Tormeks site might be wrong also.

For a bit of trivia, I was too lazy to get an accurate reading, but the weight of the USBs was in the 500s.
Knife Sharpening / Re: New angle jig KS-123
May 23, 2024, 02:26:07 AM
Quote from: John Hancock Sr on May 23, 2024, 02:05:01 AMNow all we need is one for the SE-77

Rich Colvin has a jig he made for using with the SE-77 that you might find helpful...

Projection Jig for the TTS-100