How I sharpen my knives - Razor Sharp Edge Making System
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- Опубликовано: 27 сен 2024
- Official Simple Little Life video of how I sharpen my knives - Razor Sharp edge making system.
I've been asked a lot in the past to do a video on how I sharpen my knives. I've finally found a process that I feel is worth sharing and can't believe how well it works. I can go from a brand new, never sharpened blade to having a razor edge that shaves perfectly in about a minute. This thing is incredible.
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About Simple Little Life:
This channel has sort of turned (inadvertently) into a knife making channel. But the original idea behind what we wanted it to be is this description below:
Videos on our journey to homesteading. With a recent purchase of a little piece of the Alberta prairie, we're looking to sell our nice suburban home in search of a more meaningful life beyond chasing the "American dream" working for some big company and making someone else rich. It's not about the money, it's about getting the most value from the work I do to improving the life of my family.
Some preparedness, DIY, building quality things with your hands, guns, gear, and outdoor exploration.
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I have used this system for a couple yrs now. Its one of the best systems I have ever used. A few things that helped me out. I turned the grinder base around so it ran away from me so i could work off the top of the wheel. I could control the knife and the angle better. I used a block of wood and course sandpaper to true up the finishing wheel as it was alittle off. Over all a wicked sharpening system. Takes a little practice but its worth it.
turning it around was my first thought
YES, I prefer the top of the wheel going away from me. I just feel it gives me better control.
Just my preference, others may have different ideas.
Great vid! No bla bla, just business! Very rare these days. Thank you!
I have not found a faster or better sharpening system than this one. TIP: Turn your bench grinder around so its spinning away from you and work on top of the wheels. Much better control...
Ya beat me to it. A similar video where the guy made his own wheels from plywood and laminated leather went so far as to reverse the base on his grinder rather than work on the back side. You probably can't do that with every grinder.
And safety
@@jeffreydeutsch7336 yes sir I agree. I saw that video also and did the same to my grinder. Reversing the grinder was really straight forward and easy. I also made an mdf wheel and wrapped it in leather. I can get really great results with it.
Instablaster.
Agreed! I literally took a butter knife to that and within 6 passes, it sliced through paper like a scalpel.
Thank you Sir...I don't have a lot of time to sharpen my knives, chisels, and irons. You have shown me a system that I must get now...Thanks again and keep up the excellent inspiration.
My observation is that knife sharpening by hand is like a martial art. I got sucked into this channel because I decided to learn how to sharpen knives using the traditional Japanese water-stone method as a hobby. After spending a few hours a day over a few months, Im still at best, average. I started to appreciate why Japanse sushi chefs are held in such high esteem!
Edge sharpening is still essentially "material removal" but on a much finer level.
Working up through the grits is incredibly important.
I only got my first blade hair-popping sharp when i got a 6000 grit stone.
Stropping helps too.
Im guessing here, but Ill say that the reason you work up the grits is to save time. It would take an eternity to strop a blunt knife until its sharp.. removing a few metal atoms at a time. This machine basically lets you strop like the bionic man.
I agree. It's an art to sharpen knives that way and I wish so bad I could do it. But I can't so I have to keep snooping around for other ways and this works well.
Well that machine looks awesome and Im jealous. Not to mention that in the field, nobody in their right mind is going to be carrying japanese water stones lol.
TheWtfnonamez haha, that's true.
Did a little research on that sharpener. If its the same wheels they sell on Amazon in the uk, they are compressed leather. So my joke turned out to be literally true: its basically a bionic stropping device. Having just sharpened 8 kitchen knives for a neighbor.. im seriously considering investing in one.
TheWtfnonamez haha, that's funny. I've heard of the leather ones and I think they'd probably be better than these. The ones I have are actually compressed paper. Lot's of people make their own with MDF plywood.
Maybe that's a bit late. But you forgot to mention the crucial aspect about rolling directions of the wheel and direction which should knife been set.
Thanks. I'm very happy that I found your channel!
@Glock D because with a regular grinding wheel you do point the blade into the direction of rotation.
Cheers from Calgary! Grew up in southern Alberta and miss the farm life for sure. Thanks for the great video!
Right on! I was born and raised in YYC and now we’re only 20 minutes out. I like that city 👍
Simple Little Life I might have to swing by for a quick visit at some point! I used to plow snow at the Walmart & police station in Strathmore, and occasionally still fly RC planes at the club near there. :)
Nice. I generally use diamond stones and a strop. However about 15 years ago I bought the Burke Sharpening system. Very similar 3 wheels-two use sandpaper and one uses a leather strop that you put your cutting/polishing compound. Also has 2 cotton wheels one firm and one soft. I use the Burke when I'm having difficulty with the stones. Certain steels/blades sharpen better on the Burke while some sharpen up on the diamond stones.
I saw your video on the sharpening system build, and was blown away by the level of professionalism and attention to detail ! You mentioned you don't do or have drawings. Surprising, as this level of execution requires extensive experience AND planning ! WELL DONE sir ! I do such drawings for a living, or did before I became semi-retired. I now help individual inventors with drawings and 3D CAD models for their new idea, as a way to keep my design skills sharp. If you'd like, we could discuss some drawings at no charge, that would meet the need, and would be professional and shop ready, if you think this would be a benefit to what YOU are trying to accomplish. Again, BEAUTIFUL work sir, and best to you ! -C.
Made my own wheel from MDF took me about 10 minutes, had some polishing compound and tried it, works like a charm! Made my knife razor sharp in minutes!
Joe Tabulka hey hey, nice to hear. Which grid do you use on yor wheel?
What’s MDF. Thanks
@@davidruiz5383 medium density fibreboard
I’ve heard of people making their own mdf wheels. How do you put the grit and n the wheel?
@@davidruiz5383
MDF = compressed, bonded, wood fiber.
Thank you very much. I am just starting knife making and this method of sharpening knives by far looks the easiest and fastest way to get it done. Thank you in advance for all the time and frustration you have saved me.
I have the work sharp belt grinder and in order to really get the best performance out of the extra fine 6000 grit polishing belts, i apply a small amount of camellia oil onto the belt. It really helps let loose the metal particles so they don’t get caked onto the surface and thus help speed up the final sharpening. ALSO, please sharpen the edge going away from the belt direction on the 6000. You cannot get a proper point to the edge unless you trail away while grinding only. You will round out the apex going the other direction and you will more likely cut the belt before you get it razor sharp.
I have see a demo just like I have seen here. Same result. Amazing !!! The Demonstrator liked to operate off the top of the wheel so he turned the grinder around. He said it made it easier to set the grind angles. I know this could set a trap in a multi operator workshop but you have to reach over the machine to turn it on.
I keep the grinder switch on and turn the machine on and off at the wall. Reaching over is really a no-no.
It’s really easy to have the switch on the other side. Take off the bottom plate to access the two screws/bolts holding the base to the motor then just turn the base around and reattach screws…that easy. Takes about five minutes.
Great video, I have the same problems with putting an first edge on a new knife and I hate the Lansky set, it's so slow. With this system I think life is a lot nicer to me, thanks for sharing.
Your comments on the issues you’ve had sharpening are very familiar. Thanks for the insight. Awesome video. Will subscribe
Here is an easy way to make a visual aid for the sharpening angle. Take a flat piece of copy paper and think of it as a circle of 360°. Fold it once lengthwise. Now you have 180°. Fold sideways to make a 90°. Then fold twice from the 90° and you will have 22-1/2°.
Have you tried MDF ( Medium density fiber board) wheels with honing buffing compounds. Planing to make and try one.
By going from coarse grit to polishing without cleaning the blade in between you end up with a good possibility of contaminating your polishing wheel. It's a great system but don't contaminate your wheel by not cleaning in between.
Glad I came across this video before dropping money on the Spyderco Sharpmaker! I have the Lansky Deluxe system but also just can't get it right. Cheers from Calgary!
Hey awesome! These are pretty sweet. Thanks for the comment from my hometown! Always nice to see! Cheers!
I just got this in the mail today from Amazon. I can’t wait to try it out!
I use just stones, usually (japanese grades) from #1000 to all way way into #10000 or #120000. All it really needs is to keep the angle constant. It can take a few tries to learn though. I think learning to use stones took something like 6 months of learning initially.
After stones I strop with a paddle strop. Initially or partially dulled edge gets up to 1um or 0.5um. After stones all it takes is a bit of 0.25um. Under microscope you can see the edge polish. For shaving a lot of stropping on pure leather after that. If you stop at #3000 you get 90% of the sharpness though.
After a good initial sharpening, all it takes is stropping every now and then when you use the knife. With razors I've found they go up to a year if you strop them enough with good technique.
My criteria for a shark knife is that it cuts through paper with its own weight. With razors a hair should split when dropped on the blade.
Those mdf wheels are a fast substitute for manual stropping. I use sometimes felt wheels but I seem to get better results manually. Probably because I've done that a lot more then with the wheels.
Remember your art/craft is very micro in scope. The more you can zoom-in the better chance we can learn what you are looking at. Love the videos!
Thanks. That's a good point, I appreciate the feedback. I've never thought of trying to get in really close before but I totally see how it is helpful. I'll work on that for future videos. Cheers!
I make one with a piece of scrap plywood, 3/4 inch thick. Good video, I run mine backwards thou allot safer that way.
Nice! Thank you 👍
@@Simplelittlelife you should be able to reverse the base on the grinder
Do you have any tips on re-applying grit to the coarse wheel once it has worn off completely?
Can i sharpen an axe or machete with this? Large surface like machete is really annoying to sharpen, so something like this would absolutely be helpful.
Well I guess I know what is next on my list! Can't wait to try it out
oh yea man. These are insane! I absolutely love mine and wish I'd bought one years ago.
And others want to sound like sharpening is rocket science with all their expensive gizmos. Way to go Simple. Nice that you were careful with "Stephanie." :-)
Primus Optimus w
I got the same issue ... Couldn't find a sharpener I loved ... I have tried this one and yes it works but it doesn't hold an edge ... Ended with the worksharp because the edge is not crazy sharp but holds a working edge longer ... And I use my blades all the time
Same here. Convex edges of worksharp just keep going.. Best solution for me so far
Good video nice knives you made there have you ever considered having the wheels spin away from you and using the top of the wheel so if the knife ever got caught or dug into the wheel it will go away from you instead of towards you? Tom R
Been a collector of knives in the past been looking into making my own. Saw your channel. Step by step great guide
Thank you very much! That's actually the reason I got into knife making in the first place. I love knives, have a bunch of them, but once you have several $200+ fixed blades, it's hard to justify buying more. Once you have X number of great blades, it's certainly not something that you "need" more of. So, I started making them. (to be honest though, it really hasn't helped my desire to buy more knives though). The curse of a collector:) Cheers!
Thanks! Very helpful. I am with you on the stones-I totally suck using them.
Those wheels are cheaper at Lee Valley if you can believe that. Put the wax on first, then add the grit.
I would also add that you just might want to have one wheel on at a time if you want to be super safe. I have ran my arm into the other wheel while working on a longer piece. The wheel won BTW. Just saying
LOL!!!
Before I spend $80-100+ for this I'd just make my own out of MDF,bees wax,and some alum oxide grit
Man i love that skinning knife.
Thanks 👍
Nice video review ...... I’ll buy those wheels ...... why not, I bought everything else and don’t use them for one reason or another!
This is a great investment, no disposable razors will be needed again!
BALD JOHN WICK
02:51 I do the same with my Smits Belt knife sharpener. I 'modified' it very similar to your Work Sharp. I have WS belts on my Smith's now.
your links are not working for me, is it still available?
I use a diamond stone to sharpen the knife and MDF with some nerv-dull I got at Canadian tire to polish the edge like you it takes time but I can shave with it after and like you I have no hair left on my arms to shave off so I use my beard (dry shaving sucks)
Thanks for all the great videos. Are you still using this system or have you moved on to something different? Ive just finished my first knife and struggle putting a nice edge on it. Thanks for your help
Not sure you'll see this on an old video, is there any issues with humidity effecting the paper wheels? my shop tends to get quite humid in the summer months here in MB.
I haven’t found that issue at all. I actually used these same wheels this past week and they’re still performing great.
Try storing your wheels in zip lock bags when not in use !
Maybe add one or two of the silica gel moisture absorbent packs.
"You kinda need to pay attention to the angle of the blade" Ahhhh right. The angle is THE most important element of the sharpening process. Hunting (work) knives need far more angle to keep the edge strong.
+ Simple Little Life .....great setup, wow. I bought a Wicked Edge Propack II and love it, but it takes me WAY longer to get the kind of edge you just did in a minute or two......if I go through all the grits I have ( all the diamond stones, all the ceramics, then all the strops ) it gets hair popping edges, but takes a long time.
I've never heard of that system before but it does look quite impressive. Lots of ways to do it and as long as your knife gets really sharp, it's all good. Cheers!
yeah, it's a really nice system, albeit very expensive. The main selling point for it is the vise setup you mount the knife in. It locks up solidly, gripped at the spine, and you set your angles using the LH & RH arms the abrasive paddles slide onto. There is no need to " hand or manually " try to keep the same bevel angle....it does that for you. ( check it out here: www.wickededgeusa.com )
Darrell Allen I'm actually going to check them out. What you described sounds too interesting not to a least have a look at. Thanks for sharing the info. Cheers!
Interesting.
Does grinder sharpen razor blades, electric shaver blades like Andis T line, lawn mower blades, axes, machetes, etc.. ?
Try Wicked Edge system for sharpening. It is best for all sharpening needs.
I should try that some time
Is it a rule if thumb to Always True up a wheel even when it comes from Norton or an MDF wheel? Like the way you present and explain your videos Thanks for the help, gary
Great video! Thank you!!
Great video it looks really good, I use my work sharp and it really works out for me I can get every knife shaving sharp, but this also looks like a great tool. Keep up the good work!!
Thank you!
Wow, impressive!
You already have a couple nice 2x72 belt sanders. You should try some leather 2x72 belts and stropping compound. I use a 1x30 belt sander and various belts from 1800grit-5000grit and I also use leather 1x30 belts and stropping compounds to sharpen all my knives.
I was thinking that but wasn't sure how well they would work. Good to hear they do work well though. Might have to give them a try. Cheers!
Can we use standard stone come with bench grinder?
Love this video! What I was looking for!
I use coarse and fine 3M SCOTCHBRITE DEBURRING WHEELS
Great video. Will this work on lawnmower blades?
Love this video and review, something I was wondering about before, but I am sold now...
right on! They work great for me. Cheers!
thanks so much! great video, awesome sharpening system
Awesome ty great video
I didn't check the date you published this. Helpful video but the link for the wheel is down.
Great video just could you check the links as i think that they are dead.
(Two thumbs up!)
Hello, I'm from Costa Rica and I'd love to know where can I get that kind of products here.
Dude it's a great video, but when you're sharpening the knife i couldn't see how you were doing it
How do you apply the 180 grit silicon carbide? Just literally put it on your finger and rub it on the wheel? (Not while it’s on obviously)
thanks, great review
Thank you and you're welcome!
Turn the grinder around so the discs spin away from you and use the top of the wheel..
How did you determine the angle to hold the blade at? Is there a way to hold the blade parallel the base and then position it traveling across the wheels at a certain degree of the wheel? Have you done axes or mower blades? Thanks
I watched another channel that the knife got final process of leather stropping for removing the burrs (also, using bench grinder). Could you comment on this practice, is it necessary for the stropping?
What bench grinder is that?
Does this work with kitchen knives?
Any idea where I can buy this now
I just subscribed to his channel
Thank you! I appreciate that 🙏
great information and video as always. thx
Thanks you very much!
Hello Guys, could I ask you what type of blades you are using? I mean, what goes on the grinder? I baught a bench grinder off Harbor Freight but it has different blades.
The links in the description show a bad url, can you update?
You sold me !
What angle did you put on the knife?
If you'll turn that machine around so the wheels go 'backwards' you can work on top of the wheel where you can see what's going on. The way you're doing it, you have the edge down in the dark where you have to 'guess' what is happening. Been doin' it this way for the last 54 years.
Cool!
I received two hand made knives that are incomplete and I am unsure how to complete both of them both of these knives have incomplete edges or half edges with a few rough spots looking for ways to complete these blades. Both had a lot of surface rust.
Do you think it would be possible to hook up a VFD to the grinder and use the 1000 grit CBN wheel along with a slotted paper wheel on the other end, possibly adding a foot control as well? Or is it better just to go out and buy a new low speed grinder?
So what's the best tool for doing it by hand and method?
I tried your sharpening wheel link and it does not work , can you pls reply with a working link thank you.
You can also find this at Grizzly industries inc.
Thank you so much for your insight! Can't wait to get my own system! Yaaaaayyyy!
Thanks mate, just the video I needed. I do have a question though. I have a couple of knives made in Excalibur Stainless Steel, being so hard its hard to put an edge back on them. Do you reckon this will do the trick?
Newbie question here: What is wrong with using the stone wheel that came with the bench grinder to sharpen the knife? I ask this because where I live it is hard to get your paper wheel , only stone wheels for me. I really don't want to change the wheel. Thanks in advance.
Hey, great video! Question though... does the heat from this method ruin the heat treatment of the metal on the edge?
Carl Lovestrom I work as a welder for 45 years years and I know quite a bit about metal and let me tell you that the minute you sharpen a knife on a speeding wheel, you have altered the hardening of the cutting edge quality. Yes your knifes will be very sharp but, they will loose their cutting edge very fast. Best method is water stone, no heat whatsoever. Don’t forget that the cutting edge is very thin and heats up quickly and, to create a spark like you see in this video, you need heat!
@@charger440 Considering that 99.555% of knives that anyone will ever have began their life being sharpened on a belt grinder, I dont think your argument holds water. Yes, heat can damage a blade. But just about every knife made is initially sharpened on a belt grinder. You can absolutely sharpen with speed and not damage the knife.
The key is very light pressure, fast strokes and keep a finger as close to the knife edge as possible. You will burn your finger before you hurt the temper. Once again very light pressure
@@charger440 Heat from welding is quite different than that from grinding an edge or grinding with an angle grinder in general. As long as it doesn't show any discoloration ( anything beyond straw which is anything blueish and beyond which you don't want if you don't want to lose the tempering ) the structure will stay the same. As someone who had an apprenticeship as a tool and die maker i have been grinding and welding things for years and i know you have to apply a lot of pressure and heat to actually cause any metal / steel to discolor. I am working as a CNC machinist for 20 years with calcium silicate ( stuff similar to what'S in dry walls but harder and tougher ). We can't cool the cutting bits because that would ruin the material and we don't get any discoloration unless we run to high RPM and to much feed.
Yes, heat from a dishwasher doesn't change knife steel much. Thats mostly a hoax (still dishwashers and knives are a no go due to chemicals AND heat, but thats another reason)
What everyone here tends to forget is the following:
No one is saying the heat changes the metal of the whole blade.
Actually only less than the first millimeter is what maters for sharpness.
The heat from a grinding wheel doesn't change the metal of the full knive. However: Just like it heats those sparks, it also heats that VERY VERY small area that is the edge of the knife. It won't damage the knife as a whole and could easily be resharpened in a proper way, but an edge from a fast grinder is not as hard as the rest of your knive and thus doesn't hold its edge for as long as a slow sharpening methode.
Moving faster does limit the of heat transfer. But at 3000+rpm with these wheel sizes, you need to move so fast it's undoable. when using half speed (about 1500rpm) wheels, it is possible if kept within a few seconds per pass (see Knifegrinders research on it).
Less pressure decreases the friction, which indeed does lower the heat. But the edge is so microscopicly thin, that most of the friction is not caused by excess pressure but by putting it against a extremely fast moving and extremely coarse grinder (
Mine has 3450 rpm. Do you think it will work?
Hello, great video. How does this sharpening system work on Hamon lines? Does it polish them out?
The only issue I would find with this system is sharpening certain steels with higher amounts of vanadium carbide, since vanadium carbide is harder than silicon carbide you could certainly end up with carbide "tearout".... although using a synthetic diamond powder in place of the silicon carbide would probably fix that issue or even cubic boron nitride also.
How do you add 180 grit silicone carbide for resurfacing wheel
You just a thin layer of wood glue and then sprinkle the abrasive on top of that. I’ve done it once and it’s quite easy. I should have filmed it so I would have a video on that. Next time 👍
so you did not reverse the wheels?
Ever tried turning around the grinder?
Yeah I tried it like that for about a month and really didn’t like it as much.
Hello! I need to buy a system like this and I asked you:- where can I found this system and do they ship to Brasil?
The second knife you sharpened where did you get it???
I made it. 👍
like myself for many many years, you my good friend maybe never recognized you can pull out your guidelines (or whatever you call them) from the gatco sharpening system :-)
even thought of making it longer myself before i realized YOU CAN PULL IT OUT. Stupid me
bought mine from Dunn knives about twenty years ago.
My bench grinder has an angle adjustable table and it might work with this one
Yeah, I've thought about that to. Interested to hear how it works for you. Cheers!