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  Belt grinder...Vertical vs Horizontal
Posted by: SHARPCO - 01-21-2019, 02:51 AM - Forum: Relevant General Discussion - No Replies

   
Vertical.
Maybe most of you are using Kally vertically.

   
Horizontal
When I sharpen knives on the slack belt, I set it horizontally. I like it because I can see that removing of burr during edge is on the belt. 

But there is one inconvenient thing, replacing the belt is a little cumbersome.

And I think the vertical type is better when using Platen. Because I have to see the edge and belt contact.

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  Tormek SG-250 results
Posted by: Sam Sloane - 01-20-2019, 09:02 PM - Forum: Edge Sharpness Testing - Replies (6)

Hello Forum.....Its been a while....

When Tormek brought out their new Diamond Wheels, I got the bug again to invest my spare time into Learning, Reading, Researching how to produce Sharp and Keen Edges. 

I am still a beginner. Probably less than 200 knives/scissors under my belt. I can now comfortably take a dull knife, and make it less dull!

I want to do better. But more importantly, I want to quantify my results, so this week I hope to order my PT-50 ( A or B) ( But probably A).

I was also going to get a SJ-250...but after reading many posts here, for less money I can get a bench grinder and Paper Wheels, but feel I need to master the First Grind on my Tormek, before spending another cent ( beyond my PT50).

So here is my question:

What sort of sharpness does a skilled sharpener get right off the Tormek SG-250 and Leather wheel as supplied??? I guess I am looking for a target result to hopefully achieve in the near future...

Yes...I know it depends on the blade, so I am thinking just a commercial grade of stainless kitchen knife (RC 52-54?)

Thank you for your input in advance,

Sam

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  Cheap Dust Collector for Sharpening
Posted by: grepper - 01-20-2019, 02:43 PM - Forum: Relevant General Discussion - No Replies

In reference to the dust collector discussion in this thread about the 12V motor, http://www.bessex.com/forum/showthread.p...28#pid4428, here's what I conjured up to deal with the dust problem with my Kally.

It uses the little Harbor Freight dust collector which motivates 660 CFM air flow through a 4" tube.  There is nothing else connected, so the 660 CFM provides good air flow/suction at the base of the Kally.  It's inexpensive at $159, and since it's HF a 20% off coupon can almost always be found so they can be had for as little as $125.00.

It's been a good little unit.  Knowing HF, I went over it carefully when I got it.  There were  a lot of loose screws and it was sloppily assembled, so I checked and tightened everything and it's been a trooper now for years.

https://www.harborfreight.com/13-gallon-...31810.html

Here it is on my Kally:

         

To make a diffuser, I cobbled together a bucket, some PVC adapters and some dryer vent hose/pipe.   The input/output pipes extend down about about 3" above the bottom of the bucket.  A plastic divider goes between the input/output pipes extending from the bottom of the bucket to a couple of inches from the top.  This causes air flow to start at the bottom, go up over the top of the divider and down again to the bottom of the bucket before proceeding out the output pipe, providing for a lot of air flow for sparks to cool in before exiting the diffuser bucket. 

When grinding something that produces sparks, I just put a couple of inches of water into the bucket.  The extended input pipe blasts the air directly at the surface of the water.

Here's what the inside of the diffuser bucket looks like.  Arrows indicate air flow direction.

   

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  Edge temper
Posted by: Ordener - 01-13-2019, 07:44 PM - Forum: Relevant General Discussion - Replies (3)

Hey guys, 
I’ve been thinking about something for awhile now. I’m still fairly new at this sharpening thing, only been doing it for a few years now. I hope this thread doesn’t seem silly to you guys, but here goes. With wet sharpening, there are no sparks, because the steel particles never get hot. In dry sharpening, like I do (I do almost all of my sharpening on a 1X42 Viel), obviously it creates sparks. Sparks are nothing more than superheated bits of metal. I’m very diligent about keeping my fingers on the blade, and dipping the knife in water at the first sign of heat. My question is about the heat creating the sparks. I’m not concerned about the burr, because it’s gets removed. I’m talking about the super fine line that makes up the edge of the edge. Even though the blade never gets hot, is it possible that the edge does? Is it also possible that as the superheated sparks come off the blade, the edge gets superheated as well, only to cool down immediately because of it’s thinness. Could it be that a wet ground edge holds up better? Let me know what you guys think. 

Garry

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  Meat slicer blade sharpening
Posted by: SHARPCO - 01-11-2019, 02:38 AM - Forum: All About Edges - Replies (7)

Tomorrow I'll have to sharpen meat slicer blade sharpening. 

I'll use Viel with freehand. 

But I don't know proper edge angle of it. 

Help me.



Attached Files Thumbnail(s)
   
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  How do you remove the compound on the edge?
Posted by: SHARPCO - 01-08-2019, 06:45 PM - Forum: Relevant General Discussion - Replies (3)

I found out Vadim(KG) was using White spirits and then tried a similar product. But it's odor was not good and is hamful. 

So I'm using ethanol(for disinfection). It's not very good at removing oil base compound but seems to be usable.

How do you remove the compound on the edge?

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  12 volt motor
Posted by: Ordener - 01-07-2019, 06:20 PM - Forum: Relevant General Discussion - Replies (27)

Hey friends, 
Spoke with Penn State Industries today. My 110 volt motor on my Viel 1X42 burned out the other day. The 12 volt mini lathe motor is out of stock until mid February. I’ve been wanting to upgrade to one of these for awhile now. Now my main belt sander is out of commission. Does anyone know if another supplier sells these motor kits? Or maybe someone has one of these kits that they would sell me? Anyway, let me know if y’all can help. 

Thanks! 
Garry Ordener 
Garry’s Knife Sharpening

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  Viel conversion
Posted by: Ordener - 01-05-2019, 09:02 PM - Forum: Relevant General Discussion - Replies (6)

Hey guys!
I’m looking to install a 12 volt Penn State motor on my Viel 1X42. I would prefer to use my 6” drive wheel, and bore it out to fit the new motor. Does anyone offer an adapter plate that I can simply bolt on to my Viel frame, and still utilize my 6” pulley? Do they make a 15mm drill bit, or an imperial size that matches? 
Thanks! 
Garry Ordener 
Garry’s Knife Sharpening

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  Buffing wheel for knife blade
Posted by: SHARPCO - 01-04-2019, 11:32 PM - Forum: Knife Making & Bladesmithing in Memory of Mark Reich - Replies (4)

I need buffing wheel for knife blade. But there is a lot of materials. Cotton, jean, sisal, felt, etc...

What is the best choice?

And what compound is your recommendation?

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  Knife Review: Lionsteel TM1 CF
Posted by: subwoofer - 01-03-2019, 04:54 AM - Forum: Knife and Blade Reviews - Replies (5)

[Image: Lionsteel-TM1-28-angle-P1310279.jpg]

Lionsteel are a brand that stand out year-on-year thanks to maintaining a superb level of manufacturing quality over a wide range of knife designs, both fixed and folding. This review takes a look at the Carbon Fibre version of the TM1 folding knife. Like the outstanding SR-1 (which is still going strong eight years after its launch), with its impressive construction using a one-piece handle, the TM1 also uses this single-piece handle design, but instead of an integral lock it uses a more traditional back-lock. I like an integral lock as much as anyone, but I am having just a little too much of them, and find it refreshing that the TM1 uses a back-lock. One main advantage of this is that the handle shape, grip and feel is not compromised by the lock-bar. Still a heavy folder, like the SR-1, but with a very interesting reverse-tanto blade shape, and a handle with two non-metallic material choices - Carbon-Fibre or Micarta. Finding this knife was one of my show highlights from IWA 2018.

[Image: Lionsteel-TM1-26-angle-P1310272.jpg]

---------------------------------------------------------------------------------------------------------------------
Author's Statement for Transparency and Disclosure
The test sample/s featured in this article have been provided for technical testing and review by the manufacturer. Test samples are retained by the reviewer following publication of the completed review for the purposes of long term testing and product comparisons.

All output figures and test results published in this review are the sole work of the reviewer, and are carried out independently and without bias. Test results are reported as found, with no embellishments or alteration. Though best endeavours are made to maintain the accuracy of test equipment, the accuracy of these results is not guaranteed and is subject to the test equipment functioning correctly.
----------------------------------------------------------------------------------------------------------------------


Gallery Review Format

Tactical Reviews is known for very detailed reviews using many high quality images. This has meant quite a lot of scrolling to read most reviews. In the gallery format, the review contains 'responsive image galleries' to better display these images as a slide show with captions.
NOTE: Unfortunately these galleries cannot be pasted into forum threads.

[Image: More-Marker-V2-100h.png]
(Wherever you see the 'Read MORE' marker, it indicates that the Extended Version of the review has additional content at that point. Viewing the extended version helps support further reviews, but please ensure you return to this Forum for comments and discussion.)
(Moderators, there is a reciprocal link at the end of every review on Tactical Reviews.)


What's in the box?:
The TM1 comes in a familiar Lionsteel cardboard box. Inside the box, the TM1 is in a pouch / carry case which can slide onto a belt as a horizontal pouch. It will only fit over a slim 1" belt and this might be a happy accident rather than an intended design feature.
[Image: Lionsteel-TM1-CF-01.jpg]



A good look round the Lionsteel TM1 CF - Things to look out for here are:
There is a lot to see on the TM1, so keep an eye out for the handle contouring, clip and glass breaker, ramped thumb opener, crisp finish and other design details.
[Image: Lionsteel-TM1-CF-02.jpg]
[Image: Lionsteel-TM1-CF-03.jpg]




Explained by the Maker:
The reasons for certain design choices may not be clear when simply looking at an object, so this section is intended to give an insight into the thinking behind a design by speaking to the designer themselves.

I had the good fortune to be able to consult Mik Molletta about this knife...(Only available in the full version of this review.)
[Image: More-Marker-V2-50h.png]

[Image: Lionsteel-TM1-CF-04.jpg]

In case you were wondering how they fit those IKBs bearings...
(This image is from Lionsteel's TM1 product page.)
[Image: tm1-bearings.jpg]


The Blade and Handle - Detailed Measurements:
Now even more detailed!
Taking things far beyond most knife specifications, in this section I will be carrying out a detailed examination of geometry, balance, edge bevels, factory sharpness and structural edge testing using the industry leading measuring tools.

These measuring tools include a Vernier protractor, callipers, fixed radius gauges, the unique Arc Master adjustable radius gauge, Edge On Up's BESS Certified PT50A and SET tester along with CATRA's Hobbigoni LASER Edge Protractor.
The BESS 'C' scale of sharpness (Brubacher Edge Sharpness Scale) will be used to verify the sharpness of the factory edge and allow the knife to be brought to a minimum standard sharpness before testing a blade's cutting performance.
[Image: Lionsteel-TM1-CF-05.jpg]



The measurements have been tabulated and are presented along with a few reference blades. The 'Balance relative to the front of the handle' tells you if the knife will feel front heavy, or if the weight is in your hand (a positive value means the weight is forward of the front of the handle). The 'Balance relative to the centre of the handle' indicates how close to a 'neutral balance' the knife has in the hand.

[Image: Lionsteel-TM1-CF-06.jpg]


(Table only available in the full version of this review.)
[Image: More-Marker-V2-50h.png]
The blade is made from Sleipner 60-61 HRC steel.

The TM1's factory edge has an average BESS 'C' sharpness of 342. This was acceptable as it would slice 80gsm paper, but not to the level I like so I brought the edge to  15 degree per-side and 200 BESS for testing the knife.


What it is like to use?
Lionsteel's TM1 is a pleasant contradiction as it is a 'heavy folder' yet at the same time it is a 'lightweight folder' (for its size) thanks to the carbon-fibre handle. Although the blade is a substantial 4.5mm, making it massively strong, and the handle is matched to the blade perfectly, the TM1 is light and easy to carry.

Thanks to its one piece sculpted handle and back-lock, the grip is excellent for a folder. A fully integral finger guard makes the grip super stable and more than a match for that powerful blade.

Opening is silky as the blade swings out smoothly and effortlessly on those ball bearings. If you hold the handle and push the lock bar in fully, the blade actually becomes completely free to swing (without the lock bar pressing on it) and does so with no resistance at all. Not being a flipper I had wondered if it was worth using the ball bearings, but it is - the opening is just so slick. The thumb opener has been shaped into a ramp and gives a larger contact area for your thumb than studs do, and this makes it quite a bit more comfortable to use.

Then there is that snap of the lock; so crisp, precise and solid, and so satisfying. It makes you want to keep on opening it up. (Warning - you might annoy your family or work colleagues with this knife.)

[Image: Lionsteel-TM1-CF-07.jpg]



This is the first 'reverse-tanto' blade I've used, however the principle is not far from a clip-point, just a smaller clip, keeping the tip very strong. Slightly odd looking, it has proven to be highly usable. No issues with the tip's puncturing ability even though the point angle is 71 degrees. The tip looks extremely strong, but as yet I've not had a reason to really put this to the test (no car doors have jumped out at me and needed cutting into).

So 'Sleipner' in a folder? I was a little unsure about this choice with the reports of corrosion, and the fact it is not a stainless steel having only 7.8% Cr. I decided that during the course of the testing I would not use any oils or other blade protection, and have been using this knife for around six months for a variety of tasks, including with foods, and with one in particular that is normally very harsh - banana! Opening and fishing about in boil-in-the-bag foods so getting a good dose of heat and steam, pocket time, handling and at best a little wipe down.

It is possible that the blade has been lacquered but I can't see any evidence this has been done, and I reground the cutting edge bevel, so I know that is bare steel. To date there has not been any sign of corrosion. I had expected to have to intervene and remove some spotting as I haven't been caring for the blade steel. This is not the same as specifically abusing it or really trying to get it to corrode, but the testing has been normal use with little to no attempts to protect it beyond a wipe from time to time.

I'll have to say I'm still a little wary that this might need more care than I'd like, but so far I've been pleasantly surprised that it has not been noticeably susceptible to corrosion. It is possible the specific heat-treat Mik mentioned may have improved the corrosion resistance of this steel.

You might have spotted the relatively small looking clip, and like me assumed it was not going to work well. I found I was eating my words though. When I pocket-carried the TM1, that clip had enough clearance to get onto the pocket edge and enough flex to slide into place, yet enough grip to stay put. I had dismissed this clip as an afterthought, but was wrong, it works. The clip can also be removed and refitted on the other side.




Review Summary

The views expressed in this summary table are from the point of view of the reviewer’s personal use. I am not a member of the armed forces and cannot comment on its use beyond a cutting tool or field/hunting knife.

Something that might be a ‘pro’ for one user can be a ‘con’ for another, so the comments are categorised based on my requirements. You should consider all points and if they could be beneficial to you.

[b]Review Summary[/b]
_______________________________________________
Things I like
_______________________________________________

Superb fit and finish.
Single-piece handle.
Back-lock (Thank you!)
IKBS pivot bearings for super smooth action.
Rock solid lock up.
Lightweight yet 'heavy-build' folder.
Effective clip.
Works for right and left-handed users.
Strong blade.
Comfortable thumb opening ramp.

_______________________________________________
What doesn't work so well for me
_______________________________________________

Sleipner steel - I don't like the threat of corrosion hanging over a fantastic knife.
Nothing else.

[Image: Click-for-more-V5-800resized-first.png]
(Moderators, there is a reciprocal link at the end of every review on Tactical Reviews.)

[Image: Round-Sticker-V1-0.png]

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