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The Fastest Way to Sharpen a Knife?!? | How to Sharpen a Knife On a Belt Sander | Knife Making Tip

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Learn how to sharpen your knives on a belt sander and reduce the time you spend sharpening to minutes! In this video I explain my process for taking a totally dull knife to razor sharp on my belt sander/grinder. Let us know in the comments if you have any questions, and we'd love to hear from you if you try it out yourself. Please leave us a like and subscribe if you enjoy the video, since your support helps us grow!
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We are a team of two brothers that creates handcrafted knives. From the initial designing and grinding of the steel blanks to the final sanding of the handle, each step of the process is done by hand, which makes every knife that comes out of our shop 100% unique. In all of our blades, we strive to combine the clean lines of modern design with excellent performance, so that your knife will do its job properly and look great in the process.
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Опубликовано:

5 сен 2024

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Комментарии : 169

@medieplus 2 года назад

*This is exactly what I needed for trimming the edge of oak boards **MyBest.Tools** I also used the disk to round edges while building an oak - walnut cabinet.*

@jukio02 Год назад

Cool, thanks. I got the Work Sharp Onion edition. It works great. But, I will try out 1x30 sander for my next purchase in the future. I actually tried an oscillating multi tool(Milwaukee) just for fun, and it actually worked really well. I put the knife in a bench vise and then sanded the edges at a 15 degree angle.

@StarkKnives Год назад

Nice! Turns out there’s a lot of ways to sharpen knives haha!

@pal6636 3 года назад

The little pointers and detail communicated along the way are indispensable. Makes all the difference. Thanks very much 👍 (pretty Damascus pattern btw)

@StarkKnives 3 года назад

Thanks for the good feedback! I appreciate the kind words and I’m glad you enjoyed it.

@JavenarchX 2 года назад

I love how you don't blink 🤩

@RandomCatting Год назад

Great instructional thank you

@CanadianMapleleaf Год назад

Great video young man!

@StarkKnives Год назад

Thank you!!

@willyechevarria6161 2 месяца назад

Great work

@carentanbr 11 месяцев назад

This is a great video. Thanks for sharing.

@StarkKnives 11 месяцев назад

Glad you enjoyed! Thanks for watching.

@robertbrandywine 2 года назад

Wow! I have never seen that test where you just let the knife fall onto the phone book paper. That's super sharp!

@StarkKnives 2 года назад

Thanks! 😎

@ChezzusXrift9 Год назад

Really good video! 👍Thank you! 👍

@StarkKnives Год назад

Glad you enjoyed! Thanks for watching!

@Keithers_ 2 года назад

Wow, I agree, works great. I sharpened on 80 grit and then stropped and what a difference, even with the rough edge. Ordered some finer belts

@StarkKnives 2 года назад

Awesome! Glad it worked well! The finer belts will help a lot too

@hammersmith3146 3 года назад

Hello. I gotta say you make beautiful knives. I've been making knives for a few years now and yours are some of the nicest I've seen. I told myself that I wouldn't buy any more knives when I started making my own but! I might have to get one of yours lol. Good video! Keep up the good work.

@StarkKnives 3 года назад

Thank you for the kind words! If you ever want one, feel free to message or email me!

@paparitz1 3 года назад

Harbor Freight Belt Sander speed control = Go to Walmart & buy a Rotory Button Light Dimmer & carefully wire it in line to your Sanders power cord. " Now the Sander has speed control !

@StarkKnives 3 года назад

Good tip!

@blufordbirdsong1834 2 года назад

Will that work? Have you tried it?

@StarkKnives 2 года назад

I have not tried it, so I am unsure!

@SwingingPythons 2 года назад

Iv read that you can't do that but I'm not sure.

@miguelp10912 2 года назад

Hello again. I'm excited to receive the parts and materials I ordered to build my custom 2"X72" belt sander. In order to match or achieve a close approximation of your belt sander's speed I would need to know the actual "max rpm" of your motor and the diameter of your drive wheel. It would be such a great help if you could find this info somewhere on your machine, motor spec tag/plate or owners manual. Thank you. Of all the instructional videos I have watched on RU-vid yours has been the absolute most clear and straight forward yet. The part of your sharpening demonstration where you can actually see a perfectly clear visual of the burr being raised is exceptionally clear and in good focus. Truly awesome. Love your work.

@StarkKnives 2 года назад

Hi! I’m glad you liked the videos! My grinder is from Brodbeck Ironworks. If you go to their website it should have some info. Otherwise just send them an email and I’m sure they’ll help you out! :)

@miguelp10912 2 года назад

@@StarkKnives Perfect! Thank you so much.

@nfldream221 Год назад

Simple and plain thank you

@StarkKnives Год назад

Thanks for watching!

@mguerramd 4 месяца назад

WAY faster than using stones, I use a 1x30 variable speed Rikon. Exactly as you show, works perfect.

@ZiggyLuc-zq2ii 2 месяца назад

Loved your video, can you please let me know where can I buy your belt sander that you are using on your video.

@StarkKnives 2 месяца назад

Thanks! It is a Brodbeck Ironworks grinder!

@user-qn9ob6cv5c 4 месяца назад

Nice !!! Thanks for the tutorial!!!

@ChevySS1968 Год назад

Great vid, this beats sharpening by hand. I have 1" belt sander, I might set it up. Nice sharpness test! Sharp as a Samurai sword.........😄

@StarkKnives Год назад

Yeah that’s what i used for a long time! Works well, just have to make sure you don’t overheat the edge. Thanks!

@Asdasd-kb9ib 2 года назад

Good job 👏

@StarkKnives 2 года назад

Thanks!

@b2bogster 3 года назад

Nice to see a new face in the RU-vid knife Smithing community. Thank for your info. I will definitely try this method on the knifes I make.

@StarkKnives 3 года назад

Glad you enjoyed it! Good luck!

@Laszlomtl 2 года назад

Very Cool!! Short and sweet your video is! It's got to be one of the best out there... I'm glad I came across it!!! All the best. Laszlo Montreal

@joef1551 2 года назад

Just want to say thanks for your tip about laying the harbour freight sander on its back Once I tried doing it like you suggested I got my knifes so sharp it’s scary.

@StarkKnives 2 года назад

Glad it worked.! 😃

@jasonlaseman2022 3 года назад

Thanks for posting this. Very helpful.

@StarkKnives 3 года назад

Glad you enjoyed! Thanks for watching!

@harveybeekerthegreysquirre8262 3 года назад

Sweet

@ZenyWorld Год назад

Good job. I'll try to do using my sand belt (small one).

@StarkKnives Год назад

Good luck!

@harveyrodriguez5823 7 месяцев назад

Awesome video thank you

@garypostell5268 Год назад

That was a beautiful knife 👍💯Thank You 🙏

@StarkKnives Год назад

Thank you! Glad you enjoyed. 😃

@gmacka6333 Год назад

Nice job buddy. Good work

@StarkKnives Год назад

Thank you!!

@MrSoloun 3 года назад

That's sharp :) Nice, great looking blade as well. Subed.

@StarkKnives 3 года назад

Thank you very much!

@Agustin-jo8mv Год назад

Thanks bro

@4056yates 7 месяцев назад

I've always thought it makes more sense to sharpen. In the direction you do. I've seen some popular people on RU-vid sharpen with the belt going towards the edge. Rather than away, and that seems to me like it would wear the belt. Out of a lot fasir, is that why you sharpen away?

@StarkKnives 7 месяцев назад

I like it because I can really easily see the burr being raised and I don’t worry about the edge catching. :)

@jameskapales4696 3 года назад

Love the video keep up the great work. Your blade was beautiful as well.

@StarkKnives 3 года назад

Thanks for the kind words! I appreciate it. 😃

@stevemarce1988 Год назад

You are Awesome! 💥

@StarkKnives Год назад

Thanks, you too! 😎

@sonnyd.2820 3 года назад

This a great video. Well done and very informative.

@StarkKnives 3 года назад

Thank you! I’m glad you found it helpful!

@Parahelion 3 года назад

We use belt sanders at Bass Pro Shops and it works wonders. We use 3 different belts as well.

@StarkKnives 3 года назад

Nice!

@anthonyscarito7160 Год назад

Damn knice!!!

@StarkKnives Год назад

Thanks!

@schleifjunkieshannsplag8635 2 года назад

well done

@StarkKnives 2 года назад

Thanks!

@swingbelly Год назад

Belt sharpening seems to be the way to go, provided one has the eye for angles and the proper draw through momentum. Same for wet stones. Takes much practise and patience. How many knives did you destroy before becoming proficient? Others can sharpen to insane edges using low speed grinding stones and buffers in less than 3 minutes. Thanks for the video.

@StarkKnives Год назад

I actually didn’t destroy any! I started with cheap kitchen knives and ones that I didn’t mind messing up a bit. But the learning curve was pretty short!

@swingbelly Год назад

@@StarkKnives Wow, you must be a Mozart in the knife sharpening business. Lots of wanna be "professionals" out there looking for RU-vid bucks. Ain't as easy as you portray, bro.

@darellteague3845 2 года назад

Love it

@StarkKnives 2 года назад

Thanks Darell!

@robertbrandywine 2 года назад

The main thing guys who don't have sanders worry about is how to keep the angle the same between different grit belts. It puts some off of buying a belt sander. How do you do that, just eyeball it?

@StarkKnives 2 года назад

I’ve done so many that I know the general angle to hold them at for a 15 or 20 degree edge. When I started, I measured the angle with a block and then transferred it over to the grinder.

@zezoss9308 Год назад

dear, how many grits in those belt? and plz tell me for how long does knife keep its edge sharp?!?

@StarkKnives Год назад

120, 400, and leather strop. It stays sharp a long time! It depends on how much you’re cutting and what.

@denniskusek6786 3 года назад

Go Big Red

@StarkKnives 3 года назад

Haha you know it!

@ilikewaffles3689 Год назад

Where can I get the 2000 and 3000 grit belts? Looks like most only go up to 400 or so

@StarkKnives Год назад

Combat Abrasives has some! You can also look up 3M micron belts online.

@zezoss9308 7 месяцев назад

what is the speed of the sander......is it fine to sharpen at high speed

@StarkKnives 7 месяцев назад

I think mine goes up to 1800 rpm or something but I usually turn it slower. It can be okay to sharpen at high speed but you want to make sure you do quick passes and dunk in water to prevent the heat from building up.

@jujugabe2935 Год назад

What belts would you use for carbon steel? Does the belt matter for the type of steel?

@StarkKnives Год назад

I use the same belts for all steels! Some just wear out the belts faster.

@electric8668 Год назад

I didn't know Orlando Bloom's hobby was knife sharpening.

@StarkKnives Год назад

😂

@mountainbikerdave 2 года назад

Did that grinder come with a variable frequency drive or did you have to buy that separate?

@StarkKnives 2 года назад

It came with it!

@kenmastersmaster Год назад

Any way to use a wedge to control the angle vs free hand?

@StarkKnives Год назад

It’s tough to use a wedge with the grinder but maybe you could rig up some sort of guide? I feel like there’s probably a tutorial out there somewhere.

@kenmastersmaster Год назад

@@StarkKnives I was thinking a block of wood at 73 degrees giving me the 17 degrees I need for the edge. Also I would be getting the harbor 1x30 because I'm starting out and don't want to spend serious money to sharpen a few folding knives. Would that belt sander work reliably if I wanted to grind out some bevels and make my own blades in the future from a steel wafer?

@StarkKnives Год назад

I made my first few knives on that and it can get the job done with good belts and patience. It’s hard to get super even bevels and it’ll bog down but it is much better than files!

@K3Flyguy 2 года назад

May I ask what is the most popular knife design you make?

@StarkKnives 2 года назад

I’d say either the EDC Tanto or 8” chef’s knife!

@robertmunguia250 Год назад

You have a link for that grinder?

@StarkKnives Год назад

My main grinder is a Brodbeck Ironworks grinder. This one is a Pheer. :)

@legalsolutions07 3 года назад

Good vid. Do the same principles apply to a knife that has dulled from use? Do I need to set an edge on a dulled EDC knife?

@StarkKnives 3 года назад

Thanks! Yep, it should be the same process. You often can start at a high grit belt though. :)

@benbroeckx1905 2 года назад

I'm looking to buy a leather strop in eu 50x1500mm but can't find anywhere

@JamieDolan 2 года назад

How much practice does it take to be decent enough at this to feel confident to work on a more expensive knife?

@StarkKnives 2 года назад

I’m sure everyone learns and is comfortable at different rates, but I would say within sharpening 5ish knives would be a good guess.

@robbabcock_ Месяц назад

I agree that a grinder is handy but in the time it took you to get all that PPE on I'd have been done sharpening the knife on Atoma diamond plates.😂

@scottprillaman6390 Год назад

I have a question, a lot of sharpening videos (especially ones featuring stones,etc) when raising a burr they usually work on just one side of the knife until a burr is felt, then they go to the other side to knock off the burr then move to a higher grit. I noticed in your video, and several others using belt sanders, you alternate one side of the knife to the other in getting the burr. Is there a reason for this, maybe because the belt sander is moving so much quicker?

@StarkKnives Год назад

That’s a good question! I personally alternate because I want to take an even amount of material off of each side and not over-grind. You could pretty easily end up with a chisel edge that way I imagine. Why stone sharpening differs, I’m not entirely sure. I suppose you could do it either way and achieve similar results.

@jimcraig7783 2 года назад

When I put the leather belt on it wobbles really bad. What am I doing wrong? Thanks.

@StarkKnives 2 года назад

They do tend to wobble more than normal belts. Once you put the knife on them they tend to run a bit smoother. The wobble shouldn’t affect it much.

@krunalkhambhayata9389 Год назад

Hey brother, I'm from India and I want to know that from where I can purchase these blets?? Can you please drop the link....

@StarkKnives Год назад

I got these from Combat Abrasives. www.combatabrasives.com

@krunalkhambhayata9389 Год назад

@@StarkKnives thank you brother

@genesmith2416 2 года назад

Did you only sharpen one side? Or do you raise a bur the flip and raise a bur again 🤔

@StarkKnives 2 года назад

I do both sides and raise the burr on each. 😃

@Mr521352 2 года назад

I have a 2 x 42 inch belt sander and am getting a BESS score of between 100 and 135 by using a 600 grit belt to get the burr and a leather belt loaded with .25 micron diamond paste. I would like to get to a score of 60 (BESS scale). Do you think I need a belt between the 600 grit and the leather belt?

@StarkKnives 2 года назад

I don’t have any experience with the BESS scale, but I could see a finer belt in between giving a more polished edge for sure. 600 to strop will end up pretty toothy (which I personally like). Give it a try! It shouldn’t be too expensive to get a couple belts to test it out. :)

@gagemiller7068 2 года назад

What kind of hearing protection are you using? I am seeing a good number of smiths, blade crafters and sharpeners using ones like what you have.

@StarkKnives 2 года назад

I always wear in ear earbuds and then it’s just a 3M over ear muffs. I’m not sure what the particular model is but it’s easily available online or at hardware stores. :)

@Laszlomtl 2 года назад

Do you strop with your leather belt at the same angle as with your sharpening belts or a little less...? Thanks.

@StarkKnives 2 года назад

I do the same angle.

@nathanasselin1103 3 года назад

Wow I didn’t know there were multiple ways to sharpen knives! This is the quickest apparently... but my question is... which method is most effective? 🤔

@StarkKnives 3 года назад

For sure, there are always new things to learn! I don’t think there’s one single “perfect” method. It depends on what type of edge (convex vs V, mirror polish vs toothy, etc...) you want for the tasks that you are performing. 🧐

@tennesseekartgarage Год назад

@@StarkKnives how come some people sharpen with the edge going against the belt instead of with it? I’ve noticed that recently and was wondering the effectiveness of each method.

@jimcraig7783 2 года назад

What brand of 120 grit belts do you use?

@StarkKnives 2 года назад

Combat abrasives ceramic! I’ve used VSM in the past too.

@jimcraig7783 2 года назад

Where can I find handle material like you have on the knife in your video?

@StarkKnives 2 года назад

We get it from The Blank Space.

@jimcraig7783 2 года назад

Thanks.

@ceenote100 2 месяца назад

Why do you go one way in a belt but then sharpen the opposite way on a wet stone?

@StarkKnives 2 месяца назад

I like being able to see the burr forming in this direction. It’s easier when it’s fast like on a belt vs stone.

@miguelp10912 2 года назад

Can you tell me what the RPM range of your belt sander motor is? I noted you like to run it as low as 40% to 50% speed. I'm wondering what the actual SFPM of your belt is at 50% motor speed?

@StarkKnives 2 года назад

I’m not 100% sure but I think the max speed is around 1800rpm. The exact calculations I’m not sure of. :)

@miguelp10912 2 года назад

@@StarkKnives Thank you. 50% of 1800 rpm is 900 rpm. I'm building a custom 2 x72 belt sander and I needed to know what size drive wheel I needed get as close to your belt speed as possible. Your results are outstanding. I don't see any reason to run mine any faster than necessary. My lowest motor speed is 2,000 rpm so if I use a 2 inch drive wheel I'll get 1,000 SFPM (Surface Feet Per Minute) wich is only 100 rpm higher than yours. Thanks again. You are the man. Love your work.

@StarkKnives 2 года назад

Thanks for the kind words, glad you like my work and I’m happy to help!

@Laszlomtl 2 года назад

Wasn't your first belt the 120 Grit, a _Norton Blase Plus Ceramic? Oh, and I haven'tt noticed you changing the direction of your leather belt's rotation... Did you?

@StarkKnives 2 года назад

Glad you enjoyed the video! The first belt was a 120 ceramic Shredder from Combat Abrasives. The Blaze belts would work as well though. I don’t change the direction of the belt usually. :)

@Laszlomtl 2 года назад

@@StarkKnives Obviously you're not afraid to cut the belt and yourself... Further proof that you really mastered your craft. Good for you! Stay Sharp...

@StarkKnives 2 года назад

Thanks! I do go with the direction of the belt so that it doesn’t cut the belt. That’s why I’m holding it at the top of the grinder with the edge facing me.

@Laszlomtl 2 года назад

So all three belts were running towards you at all times Right? And the blade is following the direction of the belt. Not agains it... Right? I just want to be 100% sure... Thank you for you patient... Laszlo Montreal _Photography_ on Facebook and on Instagram

@StarkKnives 2 года назад

Correct!

@Wildmann3 Год назад

Hey! I dont know if youll see this after such a long time. Im looking into buying a small belt sander, but i cant seem to find the other 2 types of belts you are mentioning. Might be because im from europe, but where did you buy yours? And whats the name of them again?

@StarkKnives Год назад

Hi! I use a 120 grit belt (ceramic or aluminum oxide), then 400 grit (the one in the video is an A45 Trizact belt, but a simple aluminum oxide would work fine), and then a leather strop belt. I got them from Combat Abrasives, but they are available other places online. The leather belt brand is Surgi-Sharp.

@Wildmann3 Год назад

@@StarkKnives Holy moly. I didnt even expect an reply, and i got one within a day. Thats a sub right there :D Well, i thought about getting a Ryobi rbds4601g, to use in my small workshed. Unfortunately i dont think i can get belts for this, that i can use for knifes. The measurements for belts is 100 x 914 mm. Or am i in the wrong on this one? Do you reckon i could use this one for knives aswell?

@StarkKnives Год назад

You could try but that is a different type of sander and I’m not sure what belts they have for that size.

@spazuno5738 3 года назад

Shouldn’t you switch spin direction of the motor as a safety measure? That way if by any chance the knife gets caught by the belt it won’t fly towards you

@StarkKnives 3 года назад

Since I go edge down, there is little to no chance of the knife catching and getting thrown. I also run the grinder pretty slow and have the knife held pretty tight. That is a valid concern/thought though!

@robertbrandywine 2 года назад

You don't need to change the spin direction, just flip the knife so that the spine is "upstream".

@jimcraig7783 2 года назад

Where can I find a leather strop like you use? Does it have a brand name?

@StarkKnives 2 года назад

Combat abrasives sometimes sells them. They are usually Surgi Sharp belts I believe.

@Bluntfacekillah Год назад

@leatherbeltman makes them as well!

@dimmacommunication 3 года назад

How would you compare the trizact to norton belts ?

@StarkKnives 3 года назад

I haven’t used them personally, but I would expect them to work similarly!

@dimmacommunication 3 года назад

@@StarkKnives I've heard good things, that they are better than trizact. Unfortunately here in Europe they aren't sold

@pellelind897 3 года назад

What type of beltsander do you use :)

@StarkKnives 3 года назад

I have a Brodbeck ironwork one now. I used to use a Pheer.

@guidokotters3614 Год назад

🙋‍♂️👍👍👍👍👍👍👍👍👍👍

@dimmacommunication 3 года назад

How much does you sander cost ?

@StarkKnives 3 года назад

It depends on what package you get. You can check the price on brodbeckironworks.com 😃

@jujugabe2935 Год назад

What’s your process if the machine needs repairs?

@StarkKnives Год назад

Contact the grinder company haha!

@philswaim392 Год назад

Floofable hair, kissable face, sharp edge. Everything a man needs

@tangofoxtrot4603 2 года назад

Looks awkward and a little dangerous the way you hold the knife to the belt, We always sharpen with the edge away from the body, reverse the motor to get the belt rotating in the opposite direction.

@StarkKnives 2 года назад

That works too, I just like seeing the edge and burr formation this way. I’ve done probably over 1000 knives this way and haven’t had a safety issue yet (knock on wood)! 👍🏼