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Триод и Диод
Double-Wheel Hollow Grinder
double wheel hollow grinder, rough grinding an 8/8s razor
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Имя и текст комментария не должны быть пустыми!
Написал: 45CaliberCure, 26.12.2012, 04:38
I'm pretty sure that there's a disclaimer in the "Hooked On Phonics" series that warns about the WHOLE "sounds like" vs. "spelled like" phenomena. Outstanding grinder setup. Scary as shit to imagine putting anything in from the top, but as long as the blade hasn't been ground enough to squeeze through from below, I guess you're golden.
Написал: lewisrazors, 22.12.2012, 17:54
You are right it is just a couple of belt sanders. Knife makers and blade makers tend to call the big belt sanders, grinders. It is just a terminology thing. So in my world it is a grinder.
Написал: dumbpeopleannoyme, 22.12.2012, 12:56
Uhm, all I see is a belt sander not a grinder.
Написал: lewisrazors, 21.12.2012, 22:47
Good observation, but I was rough grinding, the blade has not been heat treated yet. After heat treat I would go slower and not let the blade get hot and change color. Before heat treating I am not worried to much about over heating the blade. The blade is going to be heated red hot during the heat treat process.
Написал: Fr05t3k, 21.12.2012, 21:45
Overheated the edge a bit.
Написал: lewisrazors, 17.12.2012, 01:09
If I stick it from the top. The blade pops through really fast and scares me. LIke you said it can ruin a blade. The grinder has enough flex in it to let the blade through without breaking. My heart rate jumps and I am wide awake for awhile, but it is not a disaster.
Написал: Allen Duggan, 17.12.2012, 00:56
You don't grind from the top because of the direction of rotation on the wheels. If it were put in from the top it would suck the blade down through the wheels and would ruin your blade and possible damage your grinder.
Написал: lewisrazors, 14.12.2012, 04:09
I buy most of my steel form, New Jersey Steel Baron, or Admiral steel.
Написал: Max Havok, 14.12.2012, 04:05
im not looking for "shaped" blanks just some mworkable sized steel plates..where do you buy the stuff you use?
Написал: GizmoSpheroid, 12.12.2012, 19:32
its Awsome man!
Написал: lewisrazors, 12.12.2012, 16:42
I do not know where to find shaped blanks. I think Jantz knife suppl, and some other knife supply stores sell knife blades only without handles. The are completed blades not blanks. I do not know where to find blanks.
Написал: Max Havok, 12.12.2012, 16:25
is there anyone you can suggest where i could buy some flat blanks1/8-1/2 in usable sizes...all i can find online is round square and rectangular bars..but then im probably not googling the right terms. think im going to dig up some old motors and see if i can build a few belt sanders...my fund are non-existent right now so gotta save where i can ;0)
Написал: iiredeye, 11.12.2012, 22:45
That it how they are ground professionaly, its called centreless grinding.
Написал: iiredeye, 11.12.2012, 22:43
Nothing will change, it will be exactly the same as this, one wheel drags in, the other pushes out, just the other way.
Написал: lewisrazors, 09.12.2012, 17:06
I am a fan of old fashion plain carbon steels and some alloyed carbon steels. I do use stainless on occasion I use cpm154 or AEBL. Most of the knife supply companies sell small supplies of steel. I buy from various sources, mainly New Jersey steel baron, or Admiral steel. My advice would be make a few knives our of a plain steel like 1080 or 1084, then move on to more exotic steels if you want to.
Написал: Max Havok, 09.12.2012, 10:43
ill def have to check it out..i really want to get into making knives..even if just for me and friends i think its a really good skill to have. would really like to work with some high quality stainless but i read that its tough to grind or form without ruining the temper.. what kind of steel do you prefer??any suggestions of where to get affordable blanks? 1/8-1/4 or around abouts
Написал: lewisrazors, 08.12.2012, 19:06
Yes, I made it my self. I have another video showing the grinder in a bit more detail. The belts are 1 x42, I do not remember the grit it was most likely 50 or 80 grit belts.
Написал: Max Havok, 08.12.2012, 18:51
is that something you built yourself?? i knew it had to take something like this to do a hollow grind :0)..what kind and grit belts are they?
Написал: Евгений Неизвестный, 08.12.2012, 17:40
Написал: dkjayjay, 06.12.2012, 05:17
If you used a spring, the two grindstones would constantly wear eachother down. This is not what i had in mind. What i had in mind was that the two grindstones should be as close to eachother as possible, without actually touching eachother. And to calibrate them, you skould slowly bring them closer to eachother. But i see what you mean: After calibrated and then used, the stones are worn, and therefore a re-calibration is neded.
Написал: liddoese, 06.12.2012, 02:03
You would probably need some sort of spring to pull them together because if you did something like this the grindstones would wear down and the gap between them would get wider and wider after every use
Написал: dkjayjay, 05.12.2012, 02:17
Thanks for correcting my misunderstanding of the reason for folding the steel :o)
Написал: XCerykX, 04.12.2012, 18:39
Almost every culture in history that worked with steel did that at some point. The Japanese keep doing it because the Japanese government because of laws to preserve swordsmithing heritage or something. And that's not how it works. They fold it because they have crap steel to start off with and the folding refines it. The blade and core are often different steels and the way they harden and temper makes the edge harder than the core. That's what makes the difference in hardness, not the folding
Написал: dkjayjay, 30.11.2012, 22:21
However the coolest method may still be the japanese-samurai-sword method: Folding the steel, hammer it flat, then folding and hammer, and so on. If done right, you will then have a blade, that is extremely hard in the core, and then gets softer and softer towards the surface. This gives it the property of being sharper, the more it is used. Because the very hard core is worn less than the surrownding softer material.
Написал: lewisrazors, 30.11.2012, 20:58
That is a brilliant thought.
- 2012 год.
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