Universal sharpening jig
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- Опубліковано 2 жов 2024
- I made a jig to sharpen the blades of planes, chisel and knives at a certain angle.
It's very easy to use.
Click here for the plan
jisaku-koubou....
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作品の用途や効果を示してから、製作過程に入るという、あまり見られない見せ方に感心しました。
無言でよくわからないものから作り始めて、最後の段階まで何を作っているか分からないDIY動画は、退屈で途中で見なくなります。この動画は良いですね。
Appreciate you showing us how its used before you build it. Often people do the opposite and the audience has no idea what is being built nor the particular purpose.
Too true! If you don't know where you're going, how can you get there?
You can watch any part of any video in any order you want.
Pretty easy to skip to the end to see what's being made. I can't imagine having the tools to build something from scratch but not the ability to skip through a video
You nailed it. Thanks.
Very true imou671, I could see by the thumbnail
what the idea is, most of use can build anything
without need for instruction if just shown
the concept, this video delivers.
Best honing station I have seen yet
I love the handle on the vice!!! I know a few women who would love that too.
昔からあるナイフシャープナーだけども、日本の刃物には向いてないですよ。
日本の刃物は刃に対して直角に近い角度で研いで、刃先に超微細なギザギザを残すことで切る対象物への食い込みを良くしています。
刃に対して平行に研ぐとこのギザギザができず、対象物を薄く剝ぐような角度で刃を入れた場合、対象物に食い込まず表面を滑っていくような形になります。
また、刃先が薄くなりすぎるので摩耗が激しく、切れ味が落ちるのが早いです。
鉈やハンティングナイフ、あるいは鑿のように、叩き切るような刃物には向いています。
最後に一分研ぎで仕上げたら完璧じゃないですか？JSKさんの道具仕立て｢砥石）から察するに、そこまで見越した上で、道具仕立てだけで出来る限界の治具をアップしたように思えます♪6ミクロンアンダーの人、教えて～♪
Absolutely brilliant concept and an elegant execution. Wish I could give this a hundred thumbs up!
one BIG problem: since you are moving it in a radius you are also "sharpening" a radius into your tools that should be completely plane. might not be a problem on the smaller edges but on the long edges like on a plane it will have a negative impact over time and destroy the tool slowly
ノミは角を尖らせる。カンナは角を凹ませる。
これは職人の感覚でしか出来ないのかな？？
綺麗に遂げてるけどこれだとノミは歩かないし、かんなは大きめの材料を綺麗にかけれない気が、、、
今の時代ノミもカンナもほぼ使わないし、替え刃という画期的な物があるからなぁ。
Здесь что-то не так. Заточка будет радикальной, а не прямой. Нож будет срезать не плоскость, а радиус.
Muy buen video, gracias por compartir, un saludo
Надо изменить позиционирование детали. Сейчас у вас задействована малая часть точильного камня. Он будет быстро и неравномерно изнашиваться. Если вы разместите нож рубанка под углом к опоре, а не соосно, то работать будет намного больше камня. (It is necessary to change the positioning of the knife. Now you have a small part of the grindstone involved. It will wear out quickly and unevenly. If you place the planer knife at an angle to the support, rather than coaxially, then a lot more stone will work.)
Won't This method put an arc on the cutting surface ??
角だけ当たる時間が生まれるから丸研ぎになるね。
You're a true master of elegant minimalistic engineering! This is simply brilliant yet so stunningly beautiful!
Engineering that's not that is just bad engineering.
Даже не стал досматривать до конца. Полный идиотизм. Про износ камня по которому в одном месте елозит железка сразу понятно, но точить железки от рубанка и стамески по дуге?!! Вы что делаете, шерхебель из прямого ножа? Там где две стамески точились даже на видимо виден не ровномерный съем металла- одна влево вторая вправо. Острота это ещё не главное, правильная геометрия так же важна. Способ годен только для заточки кухонных ножей.
полный идиот кто не понял принцип, но комент надо написать... камень сдвигается, крутиться на 180гр, то что заточка не "на кромку" конечно недостаток, но нечастая заточка при соблюдении геометрии камня возможна
@@МарияКиреева-х8у вот вы девушка таким инструментом и работайте. Камень это меньшая из бед. Вы столяру с 20ти летнем стажем который и в ручную заточит лучше без всяких направляющее не объясняете как стамески должны работать. Попробуйте сначала внутренний угол подрезать стамеской у кт прямого угла нет. А не частая заточка это микрофаска, ее можно парой движений вручную навести.
@@Old_krafter Так снимите видео, да такое качественное, со светом, с разных ракурсов. Научите. А то столяр с 20 летним стажем только оскорбляет, да в компьютерные игры играет, видели мы таких столяров...
@@Old_krafter 20 летний стаж ни о чём не говорит. Если после 20 лет человек не смог понять как пользоваться таким станком и как избежать закругления кромки, то грош цена такому стажу.
Если бы интересовались японскими инструментами по деревообработке, то знали бы, что хорошим рубанком можно идеально снять слой древесины толщиной с волос. Покажите такой же результат, а потом будем говорить про 20 лет.
Как же наш народ любит об####ать Мерседесы, сидя за рулём Приоры....
@@МарияКиреева-х8уво первых я никого не оскорблял, я высказал мнение относительно приспособы и способа заточки, более того не понимаю при чем тут вообще свет и ракурсы если речь идёт о конкретном устройстве, по вашему можно и не рабочие методы показывать если они сняты красиво??
Truly unique!👍
この動作で砥いだら荒仕事（あらしこ）になってしまわないですか？耳が落ちてしまいそうなんで。
For whatever reason my chissel is round now..dont know what I did wrong? Looked so easy
Doesn't this method produce a slightly curved edge?
No
@@kaig.-s.1040 Can you explain why not? I mean, the blade travels in an arc across a plane from a pivot point located above that plane... geometry would suggest you are mistaken, but I'd be interested in hearing otherwise.
@@dimitrikatsaros9212 the pivot is above the plane and the distance of the points on the circle around the projected height of the pivot are constant. So the only chance to introduce a curve is via introducing a new axis that's parallel to the arm and the line between the thread shaft and the whetstone.
Meaning either the whetstone rocks on the flat wood or the chisel rotates inside the holder
Considering that, your argument is correct, but I doubt he worked so sloppy
@@kaig.-s.1040 I'm not hating on this, I just don't see how the required distance from the pivot to the plane doesn't change so that the angle of blade-to-stone is maintained.
Yes it does.
Japanese tradesmen be like "say whaaaat? He set it at 30.1? Rough as guts".
This would be excellent for adding a radius on my plane blades. Thank you!
No it doesn’t.
凄い！そんな研ぎ方あるんだ！？
扇状に研げちゃいそうだけどデメリットは無い感じなんですかね？
砥石の番手を変えるたびに角度調整をしないといけない(砥石の高さが違うので)
砥石全面を均一に使用する事が出来ない(ストロークが円なので勿体ない)
早く研ぐ事が出来ない(ずっと同じ方向に傷をつけるので)
研ぎは感覚なので頼ってしまうと砥ぎのスキルが徐々に低下
個人的には道具や治具も技術の内だと思うのでいいと思う。しかし砥ぎの技術すら治具に頼ってしまう位なら替え刃式鉋や鑿でいいような気がするw
刃の動きが支店を中心に円周上を動くという事は外周と内周で移動距離に差があり研磨量に差が生じ刃の角度が変化しそうですね（外周と内周の差×研ぎ回数倍）
ノミとか小刀ならこの砥ぎでもいいのかもしれませんが、カンナ刃だけはこの治具で研いでも横砥ぎになるので木材（特に杉）が仕上がりません。
カンナを横砥ぎに研いだらなぜ木材が仕上がらないのか、はマイクロスコープで刃先を観察すると分かります。
確かに発想は凄いですが
本来の研ぐ方向とは違いますね
Ножи рубанка не принимают ли элептическую кромку, сказывается ли это на качестве строгания??
Нет, если камень ровный. Есть специальные камни, которые выравнивают поверхность точильного камня.
конечно принимают! для заточки круговые движения не годятся
@@AndewKu попробуйте лезвие выставить на 30 градусов и покрутить вокруг такой оси (шпильки). Например на столе (в плане ровности поверхности). В каждой точке вращения площадь соприкосновения лезвия с поверхностью стола будет одинаковой.
Поэтому никакого закругления кромки при заточке как на видео не будет.
@@AndewKu Значит если инструмент вращается по кругу то он становится эллипсом . а если вместо инструмента вращается брусок по кругу то инструмент не становится эллипсом . Интересное открытие ! Плоскость соприкосновения инструмента с абразивом ведь не меняется !!!
@@vitaliyblues6619 существует технология заточки сталей, и всё- равно есть неравномерность в плотности точила, резец может иметь зональную закалку, короче это просто не оч правильно, так- поправить слегка можно лезвие.
Дык радиус же будет, даже на малых стамесках видно что угол уже завален... не знаю на сколько оно важно , рубанко стамесочным делом сильно не интересуюсь. Почему не сделать поступательную заточку, к чему эти извращения ?🤢
逆に刃を完全に固定して砥石のほうを動かしてみるのはどうなんだろう
研いだ後木を削って欲しかった
I think there will be some rounding of the blade eventually but not for the reasons I think most people are suggesting. And, I don't know if it is enough to worry about. Follow my thought experiment . I exagerrate the idea to illustrate the point.
- Imagine this set up with a Huge stone instead of the one he shows. Have the sanding surface about six feet around. Now clamp up a blade that is four feet long. Now perform the grinding motion. At the center of where the arm touches the blade to the table move the blade/arm back and forth one inch. The center of the blade will have traveled one inch - the outward part of the blade will have traveled over several inches of grinding surface.
It is inescapable that the outward part of the blade is being ground down more than the center portion of the blade. More grinding willl remove more material.
Is this enough to worry about? I don't know. The longer the blade being sharpened the more this effect happens.
I would’ve thought you would get a rounded edge.
I can’t believe I watched a man sharpen two chisels at once. That was insane
hahhah true
Actually it's a woman sharpening two chisels at once.
@@philipely4802 delicate hand for sure, but he’s a man if you’ve seen some of his other videos you can more clearly see his body and face if I hadn’t seen his other builds I would have thought the same his panel saw build is the most useful one I’ve seen
@@blacksaber89 Well, his impeccably elegant, unscarred hands are certainly a testimony to the superbly calm, careful skill he shows in his work. I should imagine it's a joy to watch, even for people not into woodwork!
With those narrow width chisels you do need two or a sacrificial piece of something to keep it true 90°. Both the same size, hardness and wear would be best. In a perfect world... I like what they do here!
角度直しにはいいかも。家でじっくり取り組む用ですね。
せわしなく動いてる現場で使うのは無理っぽい。
Thanks
Ещё один рукожоп показал, как делать не надо. Если вы не понимаете, что в видео не так, то лучше отдайте свой инструмент на заточку профессионалам.
Is it a problem to sharp from left to right instead of forward and backward?
Risk rounding the edge thatyoure trying to sharpen
4:04 pause
4:05 pause
just what I thought it will create a slanted bevel, if its big knife it will create rounded bevel
興味深く拝見しました。面白いですね。作るのも凄くむつかしくは無さそうだし、角度調整は完璧みたいで、私のような日曜大工レベルには十分です。ただ、片べりは起こりそうですね。
I would be happy if you could share my video on your SNS.
Is 30 degree the right angle for all blades?
facebook.com/100975278251656/videos/631171481101486/
@@thomaslohnert506
Thank you for reporting！
Hello, what you use for sharpening, oil or water? thanks for the video
you mean if someone posts your video? or if someone builds the same jig?
У меня вопрос,а как решить вопрос с прямым углом Р.К.?
I didn't know you could sharpen a blade with lateral motions. I thought you could only sharpen going back-and-forth. Goes to show you just how much I know about sharpening (anything, let alone hand tools). 😬😂🤭
Hello friend 🤝 I really like your videos!!! Please tell me what model of camera you are shooting with?
The grinding surface should be completely planar, since the rotation of the arm is following a cone and everythng attached to it follows the groundplane of the cone. Also aligning the stone tangential and shifting it, is pretty efficient with regard to wear and tear of the stone. Really really nice idea.
But sorry, I'm a German, I have some critique too. Or better said improvement suggestions. Your threaded rod and the mounting of the arm create a big play and your planar surface is compromised by that. The threaded rod is moving pretty badly, which you can see at 1:30 . To improve that situation, you could add two more rods in a triangle to guide the arm mount. Or you could add some kind of support beams to your rod. The other issue I see is the mount of the arm. The loop has a play by itself. The arm can move back and forth, which results in a non planar grinding surface. You could either work with a cardan shaft (which is probably more expensive) or you could decrease a bit of the play by adding a wedge into the loop.
Please don't get it wrong. I do really like what you do. It's very inspiring. I just want to help a little. :)
Don't you think it rounds the edges?
@@henaken08 That depends on the loop mount and how well the user is able to move and pressurise the blade evenly. But it shouldn't round the edges if everything is fine.
This your idea are brilliant! Can you say me the specification of the sharpening stones?
You should never sharpen transversely. At a microscopic level, grooves will be parallel, not longitudinal.
I’m curiouss. Why is that? Of course there are many sharpening styles and I’ve seen videos from clearly masterful craftsmen sharpening either way. Why is transverse not optimal?
Very nice but it sharpens on an arc rather than square?
That’s what I was thinking too.
研いだ刃先が円のRになりませんか？
ならないと思う。刃の角度は一定で砥石は水平、そこを刃が水平に移動するのだから。
@@pine-village
刃先じゃなくて刃の直線度の心配だと思うが。
Так ведь затачивается полукругом, хоть и не так заметно... А правка сразу двух стамесок! Как их точно в уровень поймать?
Перекос видно
Credit for simple design.
Acceptable for short blades such as narrow chisels.
Not acceptable for long blade as planer or knife, the sharpening diection always should be the same as cutting direction. This creates mucro serrations in the blade itself not seen by naked eyes which helps in the cutting process and lengthen the blade usable life between sharpenings. You should always utilize the whole surface area each stroke to keep them flat.
厳密にいえば、弧を描く軌道になるので、常に一定の角度で刃先が砥石にあっているわけではないですけど、両端がちょっと違く角度になっても使用には支障ないんでしょうね。 治具の構造は簡単だけど、本当にきれいにできていてほれぼれしますね！素晴らしいです
IT will round up the blade in time.
And require very frequent stone flattening. Not impressed.
Perhaps if you were to use diamond plates instead, this would be less of a problem.
At 4:04 one can clearly see that the cutting edge bevel is skew and that's with the clamp holding down a shaft that has flat edges. Imagine how much worse it would be if a round shaft was clamped to the jig.
Muito criativo e prático, mas acredito que a lâmina vai passar a cortar com uma certa curvatura... se isso não for problema, perfeito. Parabéns!
Me watching this video:
Ok, it's a real nice sharpening jig.
@5:21 Oh, he 's showing his sawing jig, that he uses to make it. Nice it's hang up to the wall for less chaos in the workshop.
Wait, what... ? It's screwed to the wall? It's not only hanging there to be put on the desk?
That's awesome! :D :D
You make the best shop-built machinery I've ever seen!
A good way to ruin a wetstone.
снизу гайку прикрути и гайкой угол выставить проще и быстрее.
世界中の英知が刺激しあってさらなる改良を加え、人類が学習続けていくこれはチューブAI
☺👍👍🤝🤝🇮🇩
@@youtukang 日本語わかるんかい！🤩
今カンナの刃を研ぐって滅多に無くなったなぁ、普通の住宅の仕事だとほとんど替刃で済ますしね。
砥石が一部だけ減るのが考えどころですね！
Надо позиционировать нож под углом. Немного переделать надо.
Дрянь станок, только камни портить
I copy this jig of yours and works very well. Thank you 🙏🙏🙏
This is the digital scale you are using where to buy it (please what is its name) Incline Angle Gauge
You have an excellent channel. Could you please tell us what kind of sharpening stones you used & the different grits? They looked like very nice diamond compound stones. Thank-you.
Those chisels were sharpened at an angle and not parallel to the end of the blade - not good - the geometry is not correct!
Yes, we can see it at 4:00 with the two chisels, two opposite sharpened angles...
I think it would work if he move the stone forward and backward, instead of rotate the blade ?
@@pierreducruix I think that might be due to the blade mounting. If the blade is on the centre line of the mount it won’t happen but the blade will have a slightly curved cutting edge.
Think of the shape of a cylindrical cone base.
I've seen many sharpening jigs on UA-cam. This is the best... Simple and versatile.
I would enjoy watching you make a drill bit sharpening jig. Take care
This would turn a straight edge into a slightly curved edge, which would be a problem on edges that need to be straight such as wide chisel's and plane-blades...
Wondered the same thing, however, are plane blades not supposed to have small curve at corner to avoid rip lines, no criticism, eager to learn.
It looks like a great jig for plane blades. For chisels I'd continue using a regular sharpening jig which is effective and efficient.
The geometry doesn’t suggest that Thomas.
The angle at the base of a circular pyramid is a constant.
Explain please.
@@andrewcampbell8265 i didn’t think of that. That’s true if pressure is applied evenly you shouldn’t end up with any camber. It will be interesting to see what the scratch pattern looks like.
@@snowwalker9999 actually I have refreshed my memory on the geometry and changed my mind. The base of a cylindrical pyramid is curved so the blade on this design must also end up curved although the bevel will be flat in one plane.
The only way around it is to hold the ‘arm’ still and move the stone tangentially.
It works fine on narrow blades or where a slight curve is not an issue.
Long time since I did geometry.
同じ研ぎ方を紙ヤスリで行う方をHPで見たことがあります。
素人の質問で恐縮です。良かったら教えてください。支柱のベースの四角の金具を台に固定するとき、ネジの穴をドリルで穴をあけておられますが、おそらくドリルの垂直を維持するのにドリルの先に付けておられる金具がみえます。あれは市販されているものでしょうか。
good idea but if you see the blade how it sharpened it ...the blade has a circular pattern and in some of your blades it looks like some edge parts did not sharpen as well so over a few times it will mess up the blade and will need to sharpen it it fully flat again because you are rounding the turn to sharpen it instead of back and forth straight sharpening....so i think its a good idea that can be modified.
I made a copy of this sharpening jig. What a brilliant, effective solution! Thank you for sharing it with us. I did rework it a little to include an adjustable length arm to better accommodate different length tools I sharpen and different thickness stones/plates.
ベッドフレッドをたわごと、この男は天才です！( Shit the bed Fred, this guy is a genius!)
Does moving the blade over the stone on an arc eventually put an arc on the face of the blade?
Absolutely. Rough on the stones, too, to sharpen on such a narrow groove down the middle. You'd need to flatten them way more frequently.
This is the first time I am very septic about your DIY project. I don't think this can be a good way to sharp a chisel. I think after several uses, your blade will start to lose its straight and becomes more and more curved.
Absolutely correct
@@theflyingspaghettimonster3252 Not correct, only if the pivot tilts, I was looking at it and working out what would be needed to put a curve on an edge deliberately. It needs to tilt as well as pivot.
I would replace the ring bolt with a hinged pivot for more stability.
Why would it do that? I don't see a reason for your scenario.
@@babthooka To sharpen a scrub plane blade or other curved blade. but now I think more, it is better to make this jig non tilting for straight blades and have one designed specially for curved blades.
knife sharpening tools👍
NO sure if It was the light angle , but those two chisels did look even. but beside that thanks for sharing..
The way it is sharpened, sliding the blade in an arc will produce not a straight blade but one with a small arc.
Are you sure ? The angle doesn't change when you turn with the fix point. To have a curve the angle must change.
@TUX LINUX For me no. If you press the blade parallel to the stone, the angle is correct on all surface of the blade. The angle doesn't change during the process.
Take a closer look at the structure.
Theoretically, the blade does not round.
Afraid that’s not correct. The blade travels on a flat plain at a fixed radius like the base of a pyramid.
I have made the jig with fixed pivots instead of a hook and ring.
Testing with a 65mm wide piece of ply on sandpaper and the bevel is flat and straight in all plains.
@@andrewcampbell8265 Yes, a pivot instead of the hook and ring it's a better solution.
When you were adjusting the sharpener, I kept thinking to myself, how is he going to push the blade on the stone because it's hooked to the rod in the back which is holding the angle. I totally missed the whole idea that you don't have to push the blade back and forth, you can go side to side as well. That was so cool. I'm making one of these today...
I have practiced a bit restoring old planes chisels and knives. I don’t need a jig to sharpen anymore. The most important thing is that the stones are flat. With this jig you may round your edges.
I think would be better moving the stone purpendicular to the blade!
The edges will most certainly be rounded. Infact you can clearly see it when he sharpens the 2 fine chisels. This would work moderately well for a roughing plane though; however the edge would still need to be corrected every now and again.
@@The5Edie Correct, that would be the technically correct way to create the very finest bur and the sharpest possible cutting edge.
Edges actually should be rounded, but only a little bit, invisible until you put them onto a flat surface. When they are not, it causes tearing in the wood in the edges of the blade.
@@ivancapan5345 This regards only for bench planes and depends on the thickness of the shavings. For chisels, rabbit planes and most other planes the edged should be straight, with sharp corners.
Excellent video Sir. Extremely well thought out work.
I have two questions please:
1) The tool must be fixed square to the guide. This is not shown.
2) By using the same part of the water stone, a groove will be created, thus deforming the stone. It must therefore be redressed constantly. This is not shown.
I believe you are from Japan. There are some excellent products not found elsewhere. I'm thinking namely of the lacquer finish you brushed on your board. Also the beautiful brushes. You come from an ancient and very rich culture- this is a gift in itself. My respects.
Greetings from France.
Now you just need a jig for setup of getting the blades in there with the edge perpendicular to the arm, because that part is definitely not so easy to get accurate by eyeballing and making adjustments. The video kinda skips over the setup part... could be something simple enough just using a flat base with two blocks of wood attached. one aligned against the arm and one aligned perpendicular where the blade should be. then just set the blade on and push against the perpendicular block. This way you could have access to the topside screws to secure the blade.
Actually thinking about it a little more. if the T part of the arm is perfectly square you could use much smaller bits of wood blocks to align parallel from there to the blade edge. Use a solid hardwood for the blade register, obviously.
Great sharpening system. I would add just one small feature: the arm the tool gets affixed to could have a clear centre line marked along its surfaces to ensure accurate alignment. That's the only thing that could maybe improve this.
I was thinking that myself, or marked in 5mm increments.
Although if it were marked at say 30 degrees. It may or may not be a 30 degree angle depending on where the cutting edge is clamped in direct relation to the “length” of the arm to which the tool is clamped to it, and it hooked on the anchor point. If total length is longer or shorter then those numbers would be nothing more than reference marks.....
Very nice. Just 2 nuts on threaded rod would be more simple, but that looks better 👍
mükemmel!!!
I watched 5 seconds, then had to immediately hit pause so I could press the LIKE button & comment how GENIUS this is !!! Thank YOU
I was exactly the same. Credit were credits due. Clever idea
A mí entender ese método deformaria el filo pues hace un arco, sin respetar el ángulo de bisel. Pero como no soy herrero no opino. Saludos.
砥石ズラしていけば全体使えますね。構想力が毎度毎度すごいですね。いつも創作意欲が掻き立てられます。
На лезвии есть зазубрины её как убрать и заточить под таким же углом
Hello, could you provide link to those sharpening plates u use? what is this sandpaper or what ?
Simplicity it’s self 👌 a superb jig that all workshops need 👏
i feel some thing is wrong maybe double check the geometry. but im not sure.
@CAD Thinking the geometry is only ‘correct’ and repeatable if the bevel being sharpened is exactly the same distance from the pivot point every time.
The issue of the bevel rounding off can be alleviated by using two single directional pivots and accurately aligning the moving head to the top surface of the stone, instead of the hook and eye system.
Uneven pressure is good though, if it’s controlled, as the alignment of the bevel to the edge of the blade can be adjusted using it.
Also the bevel angle is relative to the flat base of the blade so this mounting won’t be accurate if the chisel is tapered in side view.
It amazes me how many people think that something that cuts paper is sharp....shiny does not mean sharp...sorry...the eye bolt used is not precise enough to maintain the exact angle, just watch how it moves. I doubt it is perfectly concentric. Perhaps you should try a type of bearing that will take up the slop
С этим устройством точильный камень изнашивается неравномерно. Также из-за дугообразного движения заточка не ровная, это видно, когда автор показывает заточку вблизи.
カンナの刃って、扇状に研いでいいものだったんですね
for shear brilliance and simplicity...you got a sub! thanks for this.
I just gotta figure out a clamp for large kitchen knives!
Let me know if you do!
Закалить лезвие самому можно или нет вообще лезвие закаляется
CÁI LƯỠI THÉP NẾU MÀI NHƯ VẬY THÌ LƯỠI THÉP KHÔNG THẲNG,VÌ CÁI LƯỠI CÓ HÌNH TRÒN SẼ MẤT HAI GÓC NGOÀI
CÁI LƯỠI THÉP ĐỂ NẰM TRÊN MẶT PHẲNG Ở CUỐI CÁI BÀN ĐÓ VÀ CỤC ĐÁ MÀI TRỞ LÊN TRÊN CÁI THANH MÀ MÀI XUỐNG THÌ THẲNG CẠNH HƠN .
Muy buenas ideas, pero tiene que mejorar el gancho superior, tienen que ser más firme
Жаль обычный нож с прямым лезвием этим приспособлением не заточишь..
これおかしく無いか？刃がやがて丸くなると思いますけどどうなんですかね
Can you share links to purchase the chisels and hand planes you are using in this video ?