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DIY MDF Sharpening Wheel (XL 10") 

Koven Carlson
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If you're a DIY (do it yourself) person like me, this is a great project! I wish I would have made this years ago to keep my knifes, hatchet, axe, etc all sharp!
I used scrap MDF and bought the the other supplies, links below.
Beeswax amzn.to/3Zv6aKA
White Polishing Compound (aka Jeweler's Rouge) amzn.to/3Y4nEMJ
Silicone Carbide Grit amzn.to/3EJKnXE
Bench Grinder amzn.to/41CHdz0
Here's a the original Razor Sharp Edge Sharpener via amazon. amzn.to/3mv2VPu
Exact label is Razor Sharp Edgemaking System 8 Inch Deluxe Blade Sharpening Kit | For 6 Inch Bench Grinder | Made in the USA
0:01 Intro
0:10 Switch rotation of bend grinder
0:40 Remove guard
1:14 How the wheels are held in place
1:32 Measure max size of diy sharpening wheels (ended up being 10 inches)
1:39 Drawing perfect circles to cut diy sharpening wheels
1:50 Cutting diy sharpening wheels
2:17 Gluing together two MDF circles to double the thickness
2:48 Drilling hole in the middle of diy sharpening wheels
3:24 Installing sharpening wheels
3:49 Testing balance (it was very unbalanced)
4:17 Turning the wheels to make it more balanced
5:28 Impregnating the MDF with the Silicone Carbide Grit
5:53 Add a touch of beeswax to the Silicone Carbide side after it has dried
5:57 Add a touch of polishing compound to the other wheel
6:10 Dull knife, will not cut paper cleanly
6:17 Sharpening knife
7:17 Sharp knife, now will cut paper clean
7:29 Is it worth the hassle?? (outro)
Contact me: lawnkove@gmail.com

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19 дек 2020

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Комментарии : 378   
@lakehouselawncare1755
@lakehouselawncare1755 3 года назад
You're a sharp guy, Koven. That was satisfyingly awesome!
@kove
@kove 3 года назад
😉
@ronaldcumpsty5605
@ronaldcumpsty5605 Год назад
It is always nice to design something, make it and have success. Good for the brain too. Great idea to turn the base around, who would have thought such a simple remedy to reverse the direction.
@kove
@kove Год назад
Thank you! This was precisely the purpose of the project. I almost didn't film because I know how amatuer it is.
@soilcreepsandgardengeeks71
@soilcreepsandgardengeeks71 3 года назад
INSANE! And as always I mean that night the best possible way. Sharpening certain tools has always been a major pain in the ass on my grinder. Love watching your jumping in headfirst to crazy projects like this.
@kove
@kove 3 года назад
Thanks again 😉
@beachthor1
@beachthor1 4 месяца назад
That was epic, gonna do this next weekend. Will go outside for the shaping part haha. Thanks for the video
@kove
@kove 2 месяца назад
Good luck! did you get around to it?
@zoozolplexOne
@zoozolplexOne 3 года назад
Cool project!!! Wish I had saw it before I did mine.
@kove
@kove 3 года назад
Thanks Roger! Do you plan on making another?
@svensvensson627
@svensvensson627 Год назад
Love these kind of vids!
@kove
@kove Год назад
Thank you Sven!
@Hungrybird474
@Hungrybird474 2 года назад
Dedicated sharpener in a few hours work and it saves tons of time sharpening any other way 👍👍
@gailpengelly8581
@gailpengelly8581 3 года назад
Damn! This is SO going on new bench grinder! Awesome dude a shed load of thanks flying your way. Wife cam at 4.38 though!!😂😂😂😂😂😂😂😂😂
@kove
@kove 3 года назад
Yep, she knew something sketchy was going down! Glad it helped!
@Striperman
@Striperman 3 года назад
Mad scientist at work lol . Very cool. Merry Christmas to you and your family :)
@kove
@kove 3 года назад
🔬🥸, thanks man and Merry Christmas you and the family as well!
@kennycooperkc
@kennycooperkc 3 года назад
Damn I was nervous when you turned that on. And I didn’t even know I needed this in my life until now
@kove
@kove 3 года назад
I figured it *shouldn't blow up when spinning 3,600 rpm. 🤠
@workonitm8
@workonitm8 Год назад
@@kove 👀
@leoramirez7583
@leoramirez7583 2 года назад
Awesome Man I want those wheels too
@kove
@kove 2 года назад
Thanks Leo. I'd make the diameter smaller if I had to do it over. 6" or 8".
@iloveshirtlesshuntingwithp8804
@iloveshirtlesshuntingwithp8804 3 года назад
Nice and eacy. No problem following.
@kove
@kove 3 года назад
Thank you! Cheers!
@metlmasher9787
@metlmasher9787 Год назад
Nice vid. Thank you.
@kove
@kove Год назад
Glad you liked it Metl!
@mikekmalick
@mikekmalick Год назад
So does the carbide cut an edge on the blabes? I made one just like you did by gluing two pieces of 1/2 inch mdf together but only made the wheel 8" in size. I keep the wheel spinning in the downward direction and keep the gard on the grinder too. I works good but I only made one disc with no carbide. Should I make a carbide disc for cutting?
@pieterduplessis2104
@pieterduplessis2104 Год назад
My next project, your's is working great.
@kove
@kove Год назад
Haven't need to use it since, but it worked great at the time!
@edwardcullen606
@edwardcullen606 Год назад
That may be one of the best videosa on making a sharpener that I've seen. To the point, quick and concise. I liked it. I'm going to build that for my kitchen. Thanks for the video. I will check out more later.
@kove
@kove Год назад
Glad it was helpful!
@6xflowerranch890
@6xflowerranch890 6 месяцев назад
That’s why I bought me a tormek. Best investment ever. Add leather hide to one of the wheels(honing wheel)👌🏽.
@kove
@kove 5 месяцев назад
I'm going to buy some stones pretty soon, seems ultimately quicker and a bit safer.
@louisrucci6043
@louisrucci6043 2 года назад
May have to try this on my Shopsmith after I'm done cleaning/restoring it. With variable speed, I feel it should be safer and more controllable. Yes, I will have to work on the opposite side.
@kove
@kove 2 года назад
Variable speed would be great!
@DTrizzy
@DTrizzy Год назад
@@kove yeah that extra few inches being a 10" should be generating more heat, do you cool the metal by dipping it in ice water or something? The Higher RPMs of a smaller wheel bench grinder scares me to try to make this conversion on my grinder without some kind of router variable speed controller.
@Irishcream216
@Irishcream216 Год назад
Not going to lie, when I heard you say "let's get into it, I heard you speak with an Aussie accent like I was watching Self sufficient me. Thanks for the video, I'll definitely be making one of these soon.
@kove
@kove Год назад
Lol, I have to go back and watch it. Just looked up that channel, great one more that I'm subscribed too! 😉
@kove
@kove Год назад
Beeswax amzn.to/3Zv6aKA White Polishing Compound (aka Jeweler's Rouge) amzn.to/3Y4nEMJ Silicone Carbide Grit amzn.to/3EJKnXE Bench Grinder amzn.to/41CHdz0 0:01 Intro 0:10 Switch rotation of bend grinder 0:40 Remove guard 1:14 How the wheels are held in place 1:32 Measure max size of diy sharpening wheels (ended up being 10 inches) 1:39 Drawing perfect circles to cut diy sharpening wheels 1:50 Cutting diy sharpening wheels 2:17 Gluing together two MDF circles to double the thickness 2:48 Drilling hole in the middle of diy sharpening wheels 3:24 Installing sharpening wheels 3:49 Testing balance (it was very unbalanced) 4:17 Turning the wheels to make it more balanced 5:28 Impregnating the MDF with the Silicone Carbide Grit 5:53 Add a touch of beeswax to the Silicone Carbide side after it has dried 5:57 Add a touch of polishing compound to the other wheel 6:10 Dull knife, will not cut paper cleanly 6:17 Sharpening knife 7:17 Sharp knife, now will cut paper clean 7:29 Is it worth the hassle?? (outro)
@MikeHaddadLawnAddictions
@MikeHaddadLawnAddictions 3 года назад
That’s pretty cool koven. I love watching your diy inventions How long will it last for you think. Or would you just make new wheels? Great job Merry Christmas to you and your family
@kove
@kove 3 года назад
Thanks Mike! It should last a lifetime, as you can recondition it at any time by sanding off surface (36 grit) and reapplying the glue and carbide grit. Merry Christmas you and you family too!
@SuperTA329
@SuperTA329 3 года назад
Very cool idea.
@kove
@kove 3 года назад
Thanks man! It was fun project. Learned a little more about woodworking, and a ton about knife sharpening.
@kenneely7899
@kenneely7899 2 года назад
Nice, if you cut small x's around wheel. The part you turned. Load with valve grinding compound. Reapply as needed. Load other wheel with the white Rouge. With x's on face . Ez to renew. Makes you able to make scary sharp tools. Make sure you use good MDF wood. Cheap stuff can fly apart. Yes it makes a difference!
@thebigbang4474
@thebigbang4474 3 года назад
Thanks for a very informative video. That's an awesome project! What is the name of the white grinding compound block that you used and where can I buy it?
@kove
@kove 3 года назад
White Polishing Compound (akaJeweler's Rouge) amzn.to/37zCl3k
@thebigbang4474
@thebigbang4474 3 года назад
@@kove Thank you!
@kove
@kove 3 года назад
No prob. Thanks for watching and good luck!
@jack0903
@jack0903 Год назад
Your the man!.
@kove
@kove Год назад
Thanks Jack!
@bobonysko3167
@bobonysko3167 3 года назад
Great video! My new homemade MDF stropping wheel (not the one with silicone carbide) might need to have green compound reapplied - but I'm not sure. The perimeter of my wheel is all black. How do I tell when to apply more compound and how do I tell when to strip off the old compound and redress? Thank you!
@kove
@kove 3 года назад
Thanks Bob! Mine lost its color pretty quick after 4 or so knifes., I'll probably reapply the next time it's used. The manual only says how to reapply, but not when.
@robd7703
@robd7703 Год назад
The dark color is metal from the sharpening process. Only reapply a small amount each time. More is just a waste of the compound
@TheLawnGuardian
@TheLawnGuardian 3 года назад
Koven, the Handy Man!
@kove
@kove 3 года назад
It's cool to learn!
@herberar
@herberar 2 года назад
Hi, great video! I have just finished my MDF wheels, I wander what's the grit of your silicon carbide. Cheers!
@kove
@kove 2 года назад
Hey Bernardo, thanks! I believe it was 180 carbide
@11spitdms
@11spitdms 3 года назад
I plan on doing this very smooth so I can sharpen my lathe tools. I may just attach it to the lathe...
@kove
@kove 3 года назад
Great idea, would it be difficult to center it each time?
@WoodTurningArt
@WoodTurningArt 3 года назад
super skill
@kove
@kove 3 года назад
Any tips?
@workonitm8
@workonitm8 Год назад
@@kove Apply wood sealer to the sides of the MDF wheels and let it dry completely. MDF absorbs moisture quite easily and as the wheels absorb moisture they will swell and weaken.
@ewenlittle5053
@ewenlittle5053 2 года назад
Thanks for an informative and well shot video. I liked how it was obvious you were learning as you made it. I will be making my own over here in Derby in England over the next few weeks. Too many blunt knives!
@kove
@kove 2 года назад
Thanks! I love learning things by trial, and diy. Good luck!!
@irazu2008
@irazu2008 2 года назад
Great video! I can count on one hand the informational how to videos that incorporate music where it actually adds to the video in a positive way. Also, the way you describe the info is very clear. I can’t put my finger on it but you definitely have what it takes to do these types of videos
@kove
@kove 2 года назад
Thank you Irazu. I will remember your kind words.
@vmitchinson
@vmitchinson Год назад
WHAT? The background noise was louder then your description. And I am not talking about that motor.
@RaulSachsCarrillo
@RaulSachsCarrillo 3 года назад
Nice 👌
@kove
@kove 3 года назад
Thanks Raul
@rottiejakeluke
@rottiejakeluke 2 года назад
Why did you use glue for the silicon oxide application vs. bee’s wax? When you need to refresh this wheel will you use glue oe the wax? Thanks
@kove
@kove 2 года назад
My understanding is the glue with impregnates the wood, making it longer lasting.
@Zdosse
@Zdosse Год назад
If the Carbide Grit faded, do you apply glue on the wheel then put the Carbide Grit on top so the glue can hold it?
@kove
@kove Год назад
hm, don't know. Maybe I'd sand it off, then glue a whole new layer on.
@tedsimpson5217
@tedsimpson5217 11 месяцев назад
What number grit was the silicon carbide you use?
@vandutchness1
@vandutchness1 3 года назад
You must be a gun guy with that Palmetto State Armory box in the background.
@kove
@kove 3 года назад
Keen eye my friend! It follows you must be one too to recognize that box! 😆
@Chris-je5wm
@Chris-je5wm 3 года назад
What grit silicone carbide did you use? What was the beeswax for?
@kove
@kove 3 года назад
It's labeled 180/220 grit. The beeswax a) helps control heat & b) helps the grit stay on the wheel longer.
@buildsomethingstupid1736
@buildsomethingstupid1736 2 года назад
I love that we can see the moment you realized you can now have razor sharp lawnmower blades lol
@kove
@kove 2 года назад
lol I still need to do that, perhaps today?!
@PrincessCutLawnCare
@PrincessCutLawnCare 3 года назад
Is mdf meant to sharpen smaller items like knifes and a regular stone grinder meant for thicker items?
@kove
@kove 3 года назад
The MDF mainly is the surface for silicone carbide, and the polishing compound. Although the mdf alone did take off significant amount of chisel by itself when I was balancing it. Backlapping compound is made of the same silicone carbide.
@PrincessCutLawnCare
@PrincessCutLawnCare 3 года назад
@@kove nice dude! learned somethin new everyday, you should rig up a reel grinder! i know that would be nearly impossible but would be dope af!
@ryanstevens4343
@ryanstevens4343 3 года назад
This was the best video I've stumbled across on this. Great Job! Was in the middle of building myself one and the damn chisel kicked back and the Handle took a gauge out of my palm. The only thing missing is the safety piece - the blade must turn up and away from you, not toward you!
@kove
@kove 3 года назад
Ouch, sorry to hear that! Has it healed okay? Did you finish making the tool?
@micstica
@micstica 3 года назад
Oh ya sharp things. I work a wood lathe. I have a 9 stich scar when something went wrong. Kickback, happened so fast I never a thing. What a mess that made.
@kicka55
@kicka55 2 года назад
I always wanted to do something like this but I'm afraid it'll ruin hardened steel by getting too hot. Any experience with that?
@kove
@kove 2 года назад
I don't, but it's a valid concern. I don't notice much heat when doing it. I'm sure one could pay close attention and make sure to stop if there's heat building up, or have water near by.
@steve-o5859
@steve-o5859 Год назад
I like the music. Thanks.
@kove
@kove Год назад
Glad you liked it, thanks for watching!
@zonenhonig877
@zonenhonig877 2 года назад
Hi, great job. How much power does the grinder has?
@kove
@kove 2 года назад
Thanks Stephan! I believe it's 3/4 HP
@BeeHiverson
@BeeHiverson 2 месяца назад
i'm not a big safety nark but i kept thinking that thing was gonna be sticking out of his neck for some reason.
@kove
@kove Месяц назад
not wrong..
@leokal8043
@leokal8043 8 месяцев назад
hi what glue did you take because i took bison wood glue d2 and the powder grit didnt sit with the glue and when i started the machine its all gone.if you can tell me exactly the glue to buy it
@kove
@kove 5 месяцев назад
i don't recall, sorry
@en2oh
@en2oh Год назад
a lot of GREAT workshop improve going on here! (perhaps that's why you 'wife cam' shows you in ballistic armor!) Just one question. All the commercial mdf (aka paper discs) systems seem to have one of the wheels with radial cuts along the circumference. Is that not really necessary?
@kove
@kove Год назад
Thanks dude! Good question, I don't know. I would have did that too, but would make it even harder to balance.
@richm.1583
@richm.1583 Год назад
What is the final thickness of glued together mdf pieces; or does it just depend on how much room you have on the grinder? Thank You
@kove
@kove Год назад
Yep, depends on the grinder. If I recall correctly, mine was 1" thick from gluing two 1/2" pieces together.
@erobinson1234
@erobinson1234 2 года назад
How thick did you make the wheels? If you were to make it again, what would you change?
@kove
@kove 2 года назад
They are two thin pieces of MDF glued together, it was scrap but I think it was 1/2 or 5/8 MDF so total around ~1". If I had to do it over again, I'd make the diameter smaller because it's hard and could be dangerous to balance.
@Mark-oj9to
@Mark-oj9to 2 года назад
Actually if you want to round out/true up the diameter of those mdx wheels fast and with less hazard potential, out a tiger paw horizontal sanding disc on a 4-1/4" angle grinder. Fire up the bench grinder. Hold the angle grinder so the tiger paw flapper wheel is flat, above the apex of the mdx wheels to where the tiger paw will meet the top of the mdx discs at a right angle. Slowly bring the angle grinder straight down. You can feel the high points vanishing. Of course, as always...but especially since you're working at the to of the wheels, wear a faceshirld and a respirator...respirator especially if you glue the boards together like that. Great video tutorial by the way! Love it.
@vandutchness1
@vandutchness1 3 года назад
Great sharpening system by the way!Looking forward to doing something similar.
@kove
@kove 3 года назад
It works pretty well, I need to take more time with embedding the silicone carbide next time.
@louis-cw8qd
@louis-cw8qd Год назад
Great how to video. What thickness are the wheels?
@kove
@kove Год назад
1"
@rowpaul4545
@rowpaul4545 10 дней назад
Update: gave up on regritting the mdf wheel, made an 8" plywood wheel, glued on 240 grit emery sandpaper, lasting over 50 sharpening and still going without any signs of failing!!!!
@bobonysko3167
@bobonysko3167 3 года назад
How often do you clean the stropping wheel?
@kove
@kove 3 года назад
I've sharpened about three knives and haven't done it yet, now you mention it I might as well add a touch to it. That said I haven't cleaned it at all. Here's the manual I'm going by even though I made it DIY. cdn0.grizzly.com/manuals/g5937_m.pdf
@B355Y
@B355Y 3 года назад
Awesome. I'm an amateur knife maker and one aspect that I always have trouble with is sharpening. Ill be making one of these wheels in the next couple of days. Thank you for the video. Also, may I ask what is the purpose of adding beeswax to the silicone carbide?
@kove
@kove 3 года назад
Thanks! Helps keep the heat down, and helps the silicone carbide stay on the wheel longer.
@B355Y
@B355Y 3 года назад
@@kove thank you very much for the reply. I know this is a slightly older video of yours so I appreciate the response 👍
@kove
@kove 3 года назад
Glad to help! If I can to do it again, I'd probably make the wheels smaller so it's easier to balance and less mass to shake things around.
@B355Y
@B355Y 3 года назад
@@kove I was thinking of maybe 6 inch? I only have small bench grinder so I thought that size should be ok
@kove
@kove 3 года назад
What ever size of wheel it came with is what I'd do. Also don't necessarily need to make it double thick like I did. Once you have the supplies, the MDF is cheap to try different options.
@rustyanchor3086
@rustyanchor3086 3 года назад
Great job putting this video together. I especially liked how you explained what you were doing.
@kove
@kove 3 года назад
Thanks Rusty!
@user-ml6np4km3m
@user-ml6np4km3m Год назад
Can apply grit carbide 120 for knife of butcher
@kove
@kove Год назад
I'm not sure Khalil.
@LitoGeorge
@LitoGeorge Год назад
Help! Made one of these today. Double thick 1/2" MDF glued together like you. Used a chisel and sandpaper on a block to get it smooth and round. Charged it with white compound. And all I could do is blunt my knives, which were sharp before. I use stones and a strop to get hair shaving sharp easily. I thought MDF would be an upgrade. I have a variable speed bench grinder and I definitely have some side to side wobble on the wheel. Is this why I am finding blunt knives after doing this?
@kove
@kove Год назад
Sorry lito, don't know what could be causing it. 🤔
@LitoGeorge
@LitoGeorge Год назад
@@kove TX. Trust, to try remedy, I measured 20deg from vertical, and 20deg from horizontal and tried sharpening with the knife (held vertically) to those two angles. Have about 4-7 passes each side. Just blunt. Am ig holding it wrong?
@nunika1975
@nunika1975 2 года назад
I went with a smaller size 6" wheel to get slower speeds, as my bench grinder spins too fast.
@kove
@kove 2 года назад
Yeah, there are some tradeoffs with going bigger. Unsure if it's worth it the more I think about it.
@nikkorglassman738
@nikkorglassman738 8 месяцев назад
If you have a drill press, need to check the clearance between center and back upright support/ tube. Mine is 4 inch. So made 3/4 inch ply wheel 8 inch diameter on a Grizzly 10 inch bandsaw. Only need 1 wheel because I have linen and cotton buffing set up which uses the same rouge etc, keeping one grinding wheel alive for repairing chipped blades, chisels, sharpening bits etc. I run my buffing gear on an old B&D mains drill, and Drill Press. No need to get fancy when the gear is already in the shop. The Band Saw BTW is a gift to any workshop, along with a good Lathe/Mill and welding gear. A wood lathe is a toy ...lol.
@kove
@kove 5 месяцев назад
Nice!!
@Mark_L
@Mark_L Год назад
A year or two later now so my question is how many visits to the ER did it take to abandon the diy Version? How many other folks went to the ER trying to make their own?
@kove
@kove Год назад
I've a tourniquet in the garage, can't be too safe.
@882828jc
@882828jc Год назад
Does anyone know : Can I use plywood or solid wood instead MDF material to make those wheels? Big thanks.
@kove
@kove Год назад
Pretty sure that would be a bad idea.
@wayneessar7489
@wayneessar7489 Год назад
That looks amazing and a real value! How is the front door fish doing?
@kove
@kove Год назад
Thanks Wayne! The last one died when the pond drained itself because of a slow flow rate. Putting another in there come spring.
@wayneessar7489
@wayneessar7489 Год назад
@@kove Thank you for your reply!
@llamawizard
@llamawizard Месяц назад
Does the edge get warm from the friction?
@kove
@kove Месяц назад
It didn't take much to sharpen mine, so not for me.
@markestrada1049
@markestrada1049 3 года назад
Where did you get the jewelers rouge?
@kove
@kove 3 года назад
Amazon, I also put a link in the description.
@justsayin7704
@justsayin7704 Год назад
And a shop vac would make your life a lot healthier too. Not to mention less messy.
@kove
@kove Год назад
Yep, didn't even cross my mind.
@BjornV78
@BjornV78 Год назад
Nice rebuild, but the best results for sharpening you get is with a lower speed, finer grit and with a wet stone.
@kove
@kove Год назад
Thanks for the tip Bjorn, I intend on trying that out.
@jasel25
@jasel25 2 года назад
What was the yellow stuff and can you use any glue
@DavidGalvanwiz
@DavidGalvanwiz 2 года назад
Beeswax
@kove
@kove 2 года назад
Beeswax, it a) helps control heat & b) helps the grit stay on the wheel longer. Yes, regular wood working glue for the grit.
@johnwalters7415
@johnwalters7415 2 года назад
Does the wheels work better than a belt?
@kove
@kove 2 года назад
I've never tried a belt sharpener.
@KevsGuide
@KevsGuide 8 месяцев назад
was it still out of balance in the end?
@kove
@kove 5 месяцев назад
yep
@Boyntonstu
@Boyntonstu 2 года назад
What function is the bees wax?
@kove
@kove 2 года назад
According to a company that makes similar product, 1- helps control heat & 2- helps the grit stay on the wheel longer.
@jorgenj1
@jorgenj1 2 года назад
Joven, the wheels could be done from plywood or wood? Or it has to be made from MDF
@kove
@kove 2 года назад
Hi Jorge, they are MDF. Thanks for watching!
@jorgenj1
@jorgenj1 2 года назад
@@kove I know that it isMDF. My question is if I can use plywood or wood instead of MDF.
@kove
@kove 2 года назад
@@jorgenj1 Ah, I see. I don't know but others have said they've used plywood. I tried to emulate as best I could the original design. I don't know if the manufacturer's decided MDF is better suited, or simply cheaper.
@jorgenj1
@jorgenj1 2 года назад
@@kove thank you for your reply
@workonitm8
@workonitm8 Год назад
@@jorgenj1 DON'T USE SOLID WOOD ! The centrifugal force can cause it to explode along the grain line. (possibly with disastrous results) Plywood should be safer than MDF but MDF seems to be the preferred material.
@albertmondt8821
@albertmondt8821 Год назад
A standing block would do the same thing and be a little safer than a chisel
@kove
@kove Год назад
Good idea!
@grain8314
@grain8314 Год назад
@@kove You made a video about what not to do. This also applies to safety precautions. Try to order a faceplate from a turner with an outer diameter of 32 mm and buy abrasive discs with such holes. And also remove the weight imbalance of abrasive discs and then correct their radial geometry with a diamond pencil. After that, you will be very surprised how perfectly the discs rotate without any vibrations.
@cliffordtaylor3556
@cliffordtaylor3556 7 месяцев назад
Where do you buy the carbon bits
@kove
@kove Месяц назад
amazon, should be a link in description
@grain8314
@grain8314 Год назад
1:19 These faceplates are a mockery of the consumer! You immediately get eternal end vibrations. First you need to roll the turner with a normal faceplate with an outer diameter of 32 mm. And use discs with such a hole.
@kove
@kove Год назад
good advice, thanks~!
@grain8314
@grain8314 Год назад
@@kove I recently made two videos about it.
@kove
@kove Год назад
Checking them out now, great content over there. Sidenote, surprised hasn't YT hasn't recommended it to me.
@tedrobinson3802
@tedrobinson3802 Год назад
A circle cutting jig and a router would have saved a lot of scary shaping with a chisel.
@kove
@kove Год назад
Indeed. I considered that, I don't remember why I went this way.
@johnraynor5095
@johnraynor5095 Год назад
Wheels looked like spinning grenades.
@kove
@kove Год назад
Accurate
@zezoss9308
@zezoss9308 4 месяца назад
what is the brand of this grinder
@kove
@kove 2 месяца назад
Don't know, got it at harbor freight
@alexquevedo8993
@alexquevedo8993 Год назад
buen video mudo
@kove
@kove Год назад
!Gracias!
@jasel25
@jasel25 2 года назад
What was the black powder you put
@DavidGalvanwiz
@DavidGalvanwiz 2 года назад
Rock tumbling powder
@kove
@kove 2 года назад
Silicone Carbide Grit amzn.to/3arvlaC
@DavidinTexas
@DavidinTexas Год назад
iirc... when i made mine, i used #35 grit Sand paper instead of a chisel and the wheels spin away from me, making it much safer during 'sharpening' (polishing
@kove
@kove Год назад
Good idea with sand paper. the wheel was spinning away from me, I reversed the rotation early in the vid.
@Splash111
@Splash111 Год назад
I turned my motor base 180 so that the wheel is turning away from you. Despite being careful, it takes a fraction of a second at that speed for the blade to catch --and it's coming straight at you. Otherwise - great idea !
@kove
@kove Год назад
Thanks Splash!
@Splash111
@Splash111 Год назад
@@kove lol...don't ask me how I found this out. Luckily I wasn't injured and saw someone on You Tube turn the motor 180 from the base....and thought...yep. Also forgot to add..new subscriber. Thanks for the videos.
@kove
@kove Год назад
Yikes, thank goodness! Thank you!
@Ken_Dalton
@Ken_Dalton 3 года назад
1inch ply works 100 times better.. And safer too as mdf is prone to blowing out over time so be careful if u dont change it out! Plus ilu wont need the carbide chips an will get a better result with ply n just the compound. ✌️
@kove
@kove 3 года назад
Ply, well that is unexpected. Have you tried it?
@lightshine6044
@lightshine6044 2 года назад
How thick is your 10" wheel?
@kove
@kove 2 года назад
about one inch
@robertmunguia250
@robertmunguia250 2 года назад
Shouldn’t it have lower RPM for grinder? Goes pretty fast.
@kove
@kove 2 года назад
Yes. I'd make a smaller diameter next time, and/or get a lower RPM machine.
@workonitm8
@workonitm8 Год назад
I'd think 1725 RPM would be safer but grinders with 1725 RPM motors are a bit hard to find.
@patnoble1914
@patnoble1914 Год назад
how did you figure out the center to mark and drill
@kove
@kove Год назад
Sorry, I don't recall.
@mefirst4266
@mefirst4266 Год назад
MEASURE ACROSS AND DIVIDE BY 2 ... SO HIS WAS AT 5 INCHES. BUT HIS WHEEL IS TO LARGE.
@spocker22
@spocker22 7 месяцев назад
Doesn't work on super steels with carbides. Heats up the temper and makes the edge annealed.
@kove
@kove 5 месяцев назад
thanks for the insight!
@Polska1116969
@Polska1116969 6 месяцев назад
This looks great, but Id have a real fear of that knife digging in unexpectedly into the mdf and that grinder kicking that blade back at you.
@kove
@kove 5 месяцев назад
it won't unless i hold the knife pointing down. Appreciate the concern :)
@danbyrne6501
@danbyrne6501 5 месяцев назад
Turn the grinder 180 to grind away from you.
@kove
@kove 5 месяцев назад
Thanks, it's the first thing I did in the video.
@user-jd2vx7kk8e
@user-jd2vx7kk8e Год назад
Класс, вот интересно что за порошок сыпал на клей
@kove
@kove Год назад
карбид кремния
@peterjones6733
@peterjones6733 14 дней назад
Very useful!! Background er ‘music’ difficult to cope with. You do know that the glue used in MDF is carcinogenic…? IE dust is dangerous.
@bobabney538
@bobabney538 3 года назад
Mr. Carlson, I'm a newby ---- an OLD newby ---- but.....What is the orange "stick" you applied to the silicone carbide wheel ---- and what exactly did you apply to the other wheel. I'm trying desparately to do this, but not having a lot of luck. Thanks
@kove
@kove 3 года назад
Hi Bob, glad you figured it out ;)
@workonitm8
@workonitm8 Год назад
I'd be concerned about the centrifugal force and the wheel exploding. I'd like to make one but with a slower RPM, maybe a 1725 RPM motor and 8" diameter. Another concern is MDF was NEVER intended to be used in this manner. There have been NO tests to determine the strength under centrifugal force and there is NO safety rating for this kind of use.
@kove
@kove Год назад
I was concerned too! Hindsight, I'd keep the smaller diameter wheel and have a variable speed controller.
@ivandrimal5783
@ivandrimal5783 Год назад
Scary! If I sharpened butcher knives like that, the master butcher would probably kill me. The same service will do my diamond sharpener and relatively fast. And no pointless work. It goes so just as repairing the grinding wheel?
@kove
@kove Год назад
Yeah, it was a simple project for fun.
@arnoldscottniernberger5139
@arnoldscottniernberger5139 Год назад
2 YRS AGO. I MADE MY OWN. IT MAKES ALL. BLADES. RAZOR BLADE SHARP. HOOAH US ARMY
@kove
@kove Год назад
Nice Arnold, Yut!!
@RandoManFPV
@RandoManFPV Год назад
Is this not super dangerous? Is there no way of the blade catching somehow someday and throwing the knife?
@kove
@kove Год назад
Some may say that. I made it ;)
@mefirst4266
@mefirst4266 Год назад
THE GRINDER WHEEL IS TURNING AWAY FROM THE BLADE EDGE. NOT TOWARDS HIM. SO IT CAN NOT CATCH.. IF IT WAS TURNING TOWARDS HIM HE WOULD BE CUT UP BY NOW. HE DID NOT TELL YOU THAT... THAT IS WHY AT THE BEGINING HE ROTATED THE BASE, SO THE WHEELS WOULD BE TURNING AWAY FROM HIM AT THE TOP.
@RandoManFPV
@RandoManFPV Год назад
@@mefirst4266 I'm aware, it just seems exceptionally dangerous. The day I wrote this comment was the same day I came home from a friend's house who was showing me his as well as the cut on his finger from basically doing what this guy is doing. I don't know much about these things, heck idk what they are called.. bench grinder? I'm sure this plays into my fear of them lol
@norman7179
@norman7179 3 месяца назад
I have a LOT of safety concerns about using the MDF on any rotating apparatus. It's not designed for centrifugal force and the larger the diameter, the greater the force will be. If that wheel explodes, the result can be a disaster. I know that many people have made these wheels and never had a problem BUT will YOU be the first casualty ?
@kove
@kove 2 месяца назад
Fair point
@fourthlayer
@fourthlayer 2 года назад
why feed into the rotation???
@kove
@kove 2 года назад
I didn't think I did, when did you see that? I switch the rotation of the wheel. The top is moving away from the user.
@ahmadbijirmi5732
@ahmadbijirmi5732 5 месяцев назад
Why does the base have to be reversed?
@kove
@kove 5 месяцев назад
Doesn't have to, I just prefer working with it that way. The angle and spot of holding the knife is more natural for me.
@hayathayat1462
@hayathayat1462 3 года назад
Bravo Turkey İzmir selâm
@kove
@kove 3 года назад
Hello, hope you find some usefulness from my video. What not to do, and what to do.
@coolruehle
@coolruehle Год назад
If you have a table saw (yes, a table saw) or a band saw, or a router, there are a TON of circle cutting jig videos on RU-vid that cut perfect circles every time. Make the jig and use it for other projects. A jig will save a TON Of time on this project.
@grain8314
@grain8314 Год назад
Everything in this video is terrible, including safety.
@kove
@kove Год назад
I'll have to check those out, thanks!
@kove
@kove Год назад
I had a kevlar vest and helmet, I'd like to be upgraded from terrible safety to bad please.
@justsayin7704
@justsayin7704 Год назад
Amen!
@manitoumimi
@manitoumimi Год назад
Hello. I just found your channel and I was wondering if you might be able to help me. I bought a bench grinder that came with one 6” x 3/4” x 1/2” grind wheel and one 8” x 1/4” x 1/2 wheel. I messed up and broke the 1/4” wheel and now I can’t find a replacement wheel anywhere. Might you know where I can find a replacement? Thanks for any help and thanks for the tutorial on this build too.
@artstudio9673
@artstudio9673 2 года назад
I read a lot of comments and so far no safety police yet (lol) the plywood comment makes sence. I have always found the larger the diameter wheel the better the job ( it has to do with producing a better hollow ground edge) so going 10" is going to make it better than commercial 8" IMHO. Question the silicon oxide grit that is glued on does it stay on or do you have to replace ( I was not clear on that) also the white wheel on right you are just using polishing compound? Also a lot of Japanese wheels are used horizontality or on the flat side of the wheel do you think it can and should be used in that axis's. Last a WEN drill press????? I have not had a lot of luck with those peoples products they just don't hold up, I have their wet wheel and when it worked it was a great system and idea but their stuff is the worst quality out of any power tool I have ever used and I own, like and even love and praise some of the Harbor Fright stuff so I am not a snob when it comes to inexpensive power tools.
@kove
@kove 2 года назад
The silicon oxide grit wears down and it eventually needs to be scraped back to wood, and glued to the wheel again. The white side indeed is polishing compound. That's an interesting idea to rotate the axis, I think it'd make holding a consistent angle easier to achieve. I'll have to give that some thought. A WEN drill press, yep! Good/bad experience with them??
@pt7628
@pt7628 2 года назад
The wheel has to turn not towards you ❌ be carefull friend
@kove
@kove 2 года назад
It depends on which side you are using. I use the top, and the top spins away. Good looking out though.👍
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