I switched to sandpaper and move

2021/05/21

I switched to sandpaper and moved up through the grits. That's not the end of the world, but it's also not desirable. Cut the scales to the rough size you need, then cut them in half. Sharpening can leave some icky stuff behind, so I used a cloth wheel on the bench grinder to polish up the blade one last time. Many knife designs, such as this drop-point, are partially ground on the back edge of the knife, making the point sharper. Some of the stock has to be tempered a little higher or the edges chip if made too thin but overall I have had a lot of fun with them. This has the potential to overheat the steel and cause problems later on, so I would not recommend doing this with expensive tool steel or any knife you plan to sell. The best and easiest places to get good steel for making knives is from tools; specifically from files. This is somewhat of an unusual knife profile, being a drop-point, with an indentation between the handle and blade.That indentation was put there for the thumb and forefinger, when using the knife for delicate work.The rounded area at the files tang end will have a hole drilled into it, turning it into a ring. Once the knife is ground just shy of halfway through, remove it from the block and turn it over, so that the other face of the knife blank is visible. sawblade Grinding a knife blade takes a light touch. Congratulations, you! Location: Cebu, Philippines (or Michigan, USA), I looked into lapidary blades last year because I had a source. I watched the video before and think that the Instructable is a great addition explaining the steps in detail. 5 years ago.

Afaik they get sharpened a lot of the times. You see if the steel is removed with a cutting torch it will be compromised. You can also make very thin knives out of reciprocating saw (sawzall) blades as well. This is accomplished in the same way as grinding the cutting edge, without grinding the metal all the way down to the middle of the blank. The very act of grinding it will produce a lot of heat, so youll need to pause between strokes to allow it to cool. I hack it into nice rectangular blanks and then anneal the pieces in an oven at about 1500 degrees and let them cool overnight. I used the bandsaw because I have one, but it's way overkill for this job. By the end, the wood felt like glass. The third step is to file and grind your knife to the desired shape. In other words, it is vital to have a pattern for the knife you have in mind, whether its something someone else has done before or an entirely original idea. Make two of them and attach them to the knife with three rivets peened over tight with a hammer.

If you only have one tool with you at all times, it has to be a knife. Problem is that they are a blue eyed bitch to cut and drill unless you do a complete spheriodal anneale. It can last as long as any other service equipment but is also prone to wear and tear and will no longer be of any use in cutting through the hardest substances. Easily 15/20 knives each bandsaw blade, then with three of those AND the saw? You can make kitchen and filet knives from carpenters' saws or much bigger and stronger knives from thicker crosscut saws that were used to fell trees. Just don't buy ones with deep rust pits. However, with this knowledge, you can settle all your recycling problems related to the diamond saw blade. It will lose both its hardness and temper, making it useless as a knife steel. Vegetable oil works. So instead of it receding it would bump out at the top. Concrete saw blades that are diamond tipped are made of either 4140, or 4130, depending on the diameter. You can easily trace out the model with a pencil or chalk. While this provides a hard blade that wont rust, stainless steel blades arent as hard as high carbon steel. No trying to tell Grandmaw how to suck eggs or be mean or rude. I think Mick hit the mark with the "have a lot of fun with them" statement. The biggest problem in making a knife is that good knives are forged, rather than stamped. You just made a knife! Register for a user account. Angle Grinder (with cutoff wheels and flap disc), Saw suitable for cutting small pieces of wood, 10" table saw blade or other source of steel, Bricks (preferably fire bricks, but regular red bricks work too). I cut some test strips, heated them up to about 1600 degrees and quenched them. although it is usually much easier to use someone else template. This is necessary, especially when grinding the second side, to prevent the knife from coming off. It's simple and food-safe and doesn't stink. A diamond saw blade is a compelling piece of equipment, but just like any other power equipment, it cannot be in active use forever. Old files are often made of high carbon steel. Finally got through with a masonry bit. Try to set the bevel at about 15 degrees on each side. You can do this with an angle or bench grinder. This removed the scratches from all of the previous work and left a really nice finish. congrats to your first Instructable and being featured! I inverted the sander and put it in the bench vise. Drill a couple of holes in the handle section of the knife. At some point it becomes easier to bring the work to the machine rather than bring the machine to the work. I have a lot of this stuff, if it's worth working. The diamond blade has diamonds fitted on its edge for cutting through solid or harsh substances. Knife blade attached to the angled side of the block. Sign up for Off The Grid News weekly email and stay informed about the issues important to you, featured how to make a knife how to make knives knife knife blade knives stainless steel. Knives with shorter tangs tend to break when pressure is put on them. Its not clear in the photo, but I used double-sided masking tape for this. The above-listed materials and many more are essential to making a home-made knife from a diamond saw blade. After the Heat treat Hardening Quench, the blade will be hard, but also brittle. Did you quench the knife after heating? Therefore, they dont hold an edge as well as high carbon steel knives do. Even so, it can be nice to make your own. You can just use sandpaper if you don't have spray glue. He showed me how to make blades from my old blades, a valuable lesson, which Im about to teach you in this article. This means it's safe to add wood, so that's next. No fire bricks available? While you may be able to sharpen it, the edge will dull extremely easily. The one I used was a good blade when it was new and it hardened quite well, but trial and error is the only way you're going to be able to find out. Contact: Editor (at) OffTheGridNews.com Phone: 815-902-6086 2200 Illinois Route 84 Thomson, Illinois 61285. I looked into lapidary blades last year because I had a source. They enjoy widespread usage as a result of the fact that each diamond saw type design hinges towards a different custom uses. The bandsaw steel is slightly on the thinner side of ideal in my opinion but still thick enough for the blades Ive been making. My Brother-in-law made some sweet twin Tanto Knives! Making a knife out of your old saw blade helps you to solve a severe recycling problem. although it is usually much easier to use someone else, Like earlier said, lots of knives models take after other people, s designs, and theres no crime if your knife also follows this pattern. Small diameters are 4140 and larger diameters (anything over 20" are 4130) Quenched in water or "super quench" they make useful large chopping type tools if the edges are left fairly thick. re making it from a diamond saw blade. Turned out great. Im not going to talk about knife blade designs at this point, as you can easily find many different ideas, simply by looking around. 440C, 420HC, 440A? A six-inch bench grinder wont work as well as an eight-inch one, as the curvature of the wheel on a six-inch bench grinder will make for a very severe hollow grind. It doesn. Instead of condemning your equipment to the junkyard, you can quickly deploy it to use in other vital endeavours such as carving a knife out of its blades. Were going to get around that by starting out with steel thats already been forged. Maintain consistent light even pressure along the entire length of the stroke, not allowing the knife blade and support block to tip in any direction. Is it high enough in carbon, and how should I heat-treat it? If you want a better quality knife, you should grind the bevel using a file and a jig to obtain the correct angle. I've heard mixed things about them in other forums. They get some significant scale, but it cleans up nicely and is very grindable after that.

The belt sander will give a flat taper to the side of the knife, while the bench grinder will make it hollow ground. The band saw blades SHOULD be 15N20. Now we're going to get the steel super hot to harden it. Follow along as I tell you how to make a knife. If you need to work on one area to catch up with the rest of the blade, make a few passes through that area and then go back to full length passes. Thanks for making it look as if I may have the chance to do the same. Files are made of steel that will hold an edge well, as it is necessary for the file to not become damaged when used to shape metal. I know nothing about the steel you speak of but it is hard and brittle after your quenched. They maintain their flexibility by adding a high percentage of molybdenum to the steel as well. Thanks! Let's face it - most of us got started pounding steel more for the fun and romance than anything else. Play with it and see what works. They broke in the vise (after about 30 degree flexing) with a clean snap and very fine grain. But if you want the steel to remain strong start cutting this steel with cold chisels and hammers to get knife blanks and take a shortcut around the heat-treating process altogether. If the metal turns blue while grinding, youve overheated it, losing the temper. The steel source for these knives comes from antique hand saws. Welcome to Instructables! Clean motor oil works. Are these sawblades generally good stock for knives? The Essential Survival Secrets of The Most VigilantMost SkilledMost Savvy Survivalists in the World! Pay attention to how much material you're removing from each side. You bet I will! Before grinding, ensure that the rest on the grinder is set exactly perpendicular to the face of the grinding wheel. Did you make this project? Use a file for fine detail unless you're very, very good with the grinder. A hand saw will work just fine. Thats a hard balance to reach. It depends on what saw blade you get, how good/bad it was to begin with, et cetera. Thats a lot of profit! As you continue to make knives, it will go faster and get easier. Be especially careful about not overheating the tip; as it thins, it will overheat much easier. We are going to grind the knife blade to shape, rather than forging it. More than anything, the key to making a good knife is starting out with good steel. I was going to ask whether the saw being hardened made it really hard to drill holes into it, but if i understand correctly it does. Share it with us! I then switched to the random orbit sander with 100-grit paper. I know the "right" way to do it, and that's my next project, but I wanted to see how I'd do using only cheap tools and cheap materials. Drop you temperature down to 1475 - 1500 F, quench again, temper at 400 F and try the snap test again. When you cut out a profile for your knife, youll have the luxury of clarity and can move on to the next stage. The block was longer than the knife blank, so that it could be attached along its entire length. The facing side has been ground all the way, but the reverse side has not been. You can use a diamond saw blade in numerous capacities, some of which include; cutting through concrete, stones, bricks, asphalt and many more. Section 2: How to Use Your Old Diamond Saw Blade, Section 3: Making blades the materials you need to prepare, Section 4: Five Steps Teach you Step By to Step to Make a Knife. It can be difficult to drill. I am no expert, but I believe you should temper the blade before straightening. I'm playing it fast and loose, so I used a flap disc and an angle grinder. I was wondering if that would work when I saw the size of the circular saw. total amateur to knife making here but im pretty proud Take a guess where this handle material came from (answer Another model of the knife "Wolf". Take care not to twist or push on the grinder, as cutoff wheels can explode if used improperly. Try to keep them in line with one another and roughly parallel to the spine (back edge) of the blade or it'll look weird. Bring it home, remove the handle and clean it up with fine sandpaper and mineral spirits. You might want to make a cardboard pattern to use for this, rather than trying to draw it freehand. Wrapped up a brewery themed chef knife recently for the New design of leather knife sheath. The high-carbon steel in hand saws that are over 25-30 years old is also of excellent quality and will make an exceptionally strong knife that takes and holds a fine edge for a long time. This will provide you with a gauge line for knowing when you are approaching the halfway point in grinding. It is quite beneficial to polish your knife with a gloss until it shines, primarily if you have used a wooden handle in the fashioning process. Badass! Flaxseed oil works.

PLEASE wear all necessary PPE/safety equipment when using an angle grinder. Most people know it as a component of Damascus but its also a very respectable blade steel on its own. The first knife is I made 30 years ago was out of a giant circular saw blade that was probably 100 years old. Wife got me this for my birthday, had a crack that goes two more balisongs i made, one live blade & one trainer, Another small boot dagger I did in cpm154 and linen micarta, Press J to jump to the feed. Theres no sense going to all the trouble of making yourself a knife, only to have it break. t matter if your design is bright or not, as long as it provides a clear picture. It's easy and will be very handy for you in the future when you make knives. And take off any rust left. Although the circular diamond saw blade is the most widely used type, the diamond gang saw blade and the diamond band saw blade equally enjoy extensive usage among diamond saw suppliers, construction workers and even for personal consumption. You'll need pins. gonna make a marking knife with an old saw blade I think. It helps to keep wood-eating insects away and also give your knife a sophisticated look it requires to be of use in the kitchen. I would not consider them suitable for small knives simply because the edges would not stand up in thinner cross sections. Like earlier said, lots of knives models take after other peoples designs, and theres no crime if your knife also follows this pattern. This is a first attempt for me and the steel was free, so we're doing it anyway. The maker had to use a water jet to cut it out. I recently came across a large supply of used concrete cutting (diamond tip) blades about 3-4 feet in diameter and 3/16" thick. I did this because it will chew through walnut and brass without complaining, and I need to shorten the pins as I go. Remember, if you make a mistake, keep going -- the worst thing you can do is quit. I got it at a scrap yard for 5 dollars and cut it out with a 4 inch grinder. I drew an outline of the blade on the metal using a sharpie, then made relief cuts with the grinder. I just wish I didn't put my old table saw blade in the weekly recycle bin a few months ago :(. I hinted one of them John, of my plans to dispose of my old diamond saw machines and he burst into very throaty laughter telling me that there were other uses for my diamond saw blade aside from eliminating them. I then attached the handles with superglue (epoxy is also good), inserted the pins, and peened them over with a hammer. Even one of those little flush-cut saws will work here. The last phase requires a light touch. So I got my Harbor Freight angle grinder and my HF files and some sandpaper and the blade that came with my (used) table saw and I got to work. You want the sides to be even and the edge to be centered in the blank. It is, therefore, a necessity to pay as much attention to the finish of your knife as you have put into the making of the blade itself. I love the way you spelled figgered. Put an edge on the knife. Before attaching the blade to the support block, make a line down the center of its thickness. If you want to make a wider knife than you can make with a standard flat file (which is only about 3/4 wide) you can use horseshoeing rasps. For rough shaping, I used the same angle grinder with the same flap disc. If heat treating and tempering are no big deal to you, then you can cut this steel any way you want. Press question mark to learn the rest of the keyboard shortcuts. The tip of the knife is one of the teeth from the saw blade. Snaping at 30 degrees proves hardness. Copyright 2009-2022 NCcuttingtools.com |. You can buy pretty much any style of knife you want, in just about any size and manufactured to just about any quality level. I found that there is a wide range of steels used. To grind the taper on the blade, you will need something to hold the knife blade at the correct angle. Making a knife out of your old diamond saw blade can be one of the best decisions for your diamond saw machine, but it is nevertheless a simple yet tasking procedure that takes a lot of time and dedication especially if youre making more than one knife. Like other files, these are made of a high grade, hardened steel, which will hold an edge well. Some newer types of stainless steel have a higher carbon percentage, more closely matching the molecular structure of high carbon steel knives.

You cant make a good quality knife, without having good quality steel to start with. Want to post on Patch? The group consisted mainly of farmers and winemakers, most of whom had inherited the business from their parents just like I did mine. You're not going to hurt anything. Thanks, Bill. Start by scribing a line across the saw blade and clamping it down securely. Really allowed me to read this in your voice lol. Cookies help us deliver our services. If you prefer video, you can check that out here: https://youtu.be/V91Btmi7oNU. The high-carbon steel is top for making great knives that take and keep a good edge. When you have successfully cut out your knife pattern and filed the steel to taste, it becomes vital to work on your knife handle. Wish me luck! It doesnt matter if your design is bright or not, as long as it provides a clear picture. Check it out! I used spray glue to attach 800/1000/2000 grit paper to a scrap of wood and used it to polish the sides of the knife. Sharpening is too complex to cover here, but the basic idea is to start with a coarse stone and move up to a fine one until you have a nice edge on your knife. I couldn't get info on the ones available to me and experimented with lackluster results, so gave up on it. Ideally, a knife blade needs to be hard enough to sharpen well and maintain an edge, while not being so hard that it chips easily. You will end up with a blade that is wavy and inconsistent. If you try and make a knife out of cold rolled steel, the type you can buy at a hardware store or steel supply, youre going to be very disappointed. Take slow, smooth passes with little pressure on the blade.

There's not much market for these is why. Your finish determines how beautiful and useful your knife will be; it is the difference between making a random knife and fashioning out a knife for a specific purpose. A diamond saw blade is one of the most popular tools in the diamond market, and especially in the construction industry as a whole. Otherwise your knife is gonna look goofy. There are several ways of doing this, such as clamping or gluing rare earth magnets to the face of the block. Lots of oils work. Start by grinding the profile of the knife to match the outline you have drawn on it, using a bench grinder. How To Ensure Your Livestock Survive The Winter, 8 Foolproof Ways To Heat Your Home When The Powers Out, 10 Cyber Safety Tips to Protect Your Browsing, Why Almost Everyone Is Wrong About Cooking With Lard, Surviving Extreme Heat Without Air Conditioning, The Best (And Safest) Way To Stockpile Gasoline, 4 Less-Than-Lethal But Effective Weapons For Home Defense. All three can, of course, be crafted from the comfort of your home and still retain as much efficacy as those made by the professionals. When you cut out a profile for your knife, youll have the luxury of clarity and can move on to the next stage. For the knife below, I cut a five degree angle on the edge of the wood block, so that my knife blade would have a 10-degree angle. The video and music is great too. The knife blade needs to be attached to the block. You must devise a method to do this without using high heat otherwise you risk losing the temper in the steel. That looks like some very nice craftsmanship.

A face shield is recommended, but at least wear safety glasses. Make some rivets out of brass or copper round stock. Since the base material for your new knife is an old diamond saw blade, it becomes necessary to give your blade cut out the essential filing and grinding it requires to work well as a kitchen or industrial knife after cutting out a part of it based on your chosen template. The handle is equally as important as the knife itself as making a knife handle also takes as much effort as the knife itself. You can tell, because they will rust. Continue grinding in successive passes until you reach the halfway point. Luckily the bandsaw steel is on the thinner side for knife stock, making drilling a little easier. Home Saw Blade-How to Make a Knife from an Old Saw Blade. I finally figgered out that it's cheaper and easier to just buy the steel that you want. If you want to buy a diamond saw blade or get more information about diamond saw blades, please visit our website: https://www.nccuttingtools.com/. Damn near wore out ever drill bit I had tryna get three 1/4 inch rivet holes in the damn thang. You can make your handle by drilling one or more holes on the base of your knife and then fix two wooden or ceramic handles held together by a nail. Very nice. Making a knife out of your old diamond saw blade can become an exciting pastime for you or a lucrative business, it all depends on your approach to it. Saw Blade-How to Make a Knife from an Old Saw Blade, The first step to making your knife is to choose a template you, d like to model it after. Thanks for the well written steps. Video Shows Jersey City Councilwoman Trying To Avoid Hoboken Tow, Hoboken Gives Updates On Monkeypox And COVID, Rivington Rent Hikes Reduced; Hoboken Says They're An 'Injustice', Office Furniture & Soft Seating Warehouse Sale, Jersey City Councilwoman Won't Resign After Crash With Bicyclist, Alexander Hamilton's Taking His Shot In A Hudson County Election, Search For Body Of Jimmy Hoffa In Hudson County Continues, Mayushi Is Missing: FBI Adds Graduate Student To Missing Persons Site, Happy Summer Trails: Best Places To Get Outdoors Around Hoboken, 5 Hoboken Area Animal Shelters: Adopt, Volunteer Or Donate. This post was contributed by a community member. I have been using the larger (24" and bigger)blades for a couple of years now and find if I normalise them the HT like 01 they come up hard and tough. But if you cut it with a torch it needs to be heat-treated and tempered again. There are three essential types of the diamond saw blade, which are the circular saw blade; the diamond gang saw blade and the diamond band saw blade. Blade's AEB-L, handle is maple 3rd attempt at making a sharp pointy thing w sheath. You want to take material off the blade along the entire edge in one stroke; working your way from the handle end to the point. Usually they gwt discarded if they can't be repaired or the mill gets shut down. In other words, it is vital to have a pattern for the knife you have in mind, whether it, s something someone else has done before or an entirely original idea. Most modern knives are made of stainless steel. After this, we're done playing with fire and we're going to avoid getting the steel too hot from now on. Some are low carb, some 1050 and some L6. Once you have the blank shaped to your liking, it's time to start making the knifey part of the knife. The price is right, experimenting is an excellent learning experience, and it is a lot of fun. The wooden pieces used as a handle on this knife are called slabs. Very nice. Be careful as you dont want to heat up the knife blade while grinding it. This handle makes your knife more natural to use and, of course, more beautiful. The first part of turning a rasp or file into a knife blade is to draw out the silhouette of the knife on the file itself.