folding knife making

This should clarify the old hardening process. This way it ensures a perfectly flat grind. However, I do it anyways, just in case there's a benefit. A good liner lock knife though, is harder. i said all this both from experience and literature, i'm fairly good at metallurgy , specially of ferrous alloys. 7 years ago At this point, your blade of the knife, the cutting edge, needs to be finished perfectly. Get some wet & dry, 80 to 400 grit should do it for a nice satin finish. water will work for most work though and i have been using it with success for quite some time. Start by cutting out the long line, parallel with the open blade. 100s of Knife Patterns. Check out the other instructable if you need help. By bottom, I mean the area closes to where your fingers would touch. This is just a bunch of little things to finish the knife. Picture 2: This is the blade closed. The Bolt! If you have the time to watch it. The Only Article On Knife Grinds You’ll Ever … A liner lock works because a spring in the side of the handle (usually titanium) is in the path of the blade and keeps the blade open until the spring is pushed over to the side. Knife making supplies and knife parts from Smoky Mountain Knife Works. So wherever the blade touches the handle (the two stop pin contacts- opened and closed, and the lock), leave a bit of extra space- say 1 or 2 mm. I have moved on to D2 and 154CM, and am using Texas Knifemakers to heat treat) (I used a thickness of 1/8")  So you want to drill  the hole so that the slope of the ball is contacting the hole, and exerting pressure to keep the knife closed. Yes, I did this for my other instructable, where I was using 1084 steel. on Introduction, HOW DID YOU GET THE IDEA TO PUT THE KNIFE ON THE ROSES FOR THE PICTURE. Since it's hard to get a picture of the lock up, I drew one up on inkscape, which should help. We offer almost 200 different items to make your dream knife. They've been doing that for long enough that I think they may know what they're doing now. Again, I'm not sure if this works, but it's just a superstition thing. It won't work well for the pivot, although it can be done. Pictures will do the rest of this talking. If the hole is drilled so that the entire ball sits in the hole, there's going to be a little wiggle in the blade because the ball isn't pressing. You usually have to push to around 5 inches, but start small. However, this one's D2, and I just send it off to have the professionals heat treat it. Wally Hayes - March 20, 2018. I buy a lot of used pliers and do it to them. You can drill a hole, and use a jeweler's saw, or use a cut off disk, or a band saw. Bob Engnath. You want to cut the lockbar out with around 1mm overlap with the blade. For these reasons, it’s always good to make mock-ups of new designs. A trick to find the center of your blade: Color the edge of the knife with a sharpie, and then take a drill bit the same diameter as the thickness of your metal. By. It takes a while with hardened steel, but it is the last step! The parts of the knife that won't show when the blade is opened can be left somewhat finished. Drill the holes (with pins to help alignment), shape it nicely, and polish it up! on Step 14, Not a bad little tutorial. The lock can be released to close the knife … You should make a tut on how you use inkscape for knife designing. And no wikipedia is a good place to start research but never to end it. i've had bad warping and cracking from time to time though. Our custom knives … How to make a knife handle out of birch bark and antler. Then, I take a match, and just heat up the face of the lock bar a few times. Cut out and shape the scales. We design and manufacture all related items, so everything you need to build a great looking knife comes with your knife making kit. water is considered a 'harsh' quenching media, that's why it's not recommended. Otherwise, if only the middle portion touches, than lock rock can develop. I use 1/8" pivots and stop pins, thus I drill with a 1/8" bit. The most important part is to have the two holes. Folding knives have been around since at least the year 600 BCE. on Introduction. Thus, the detent ball can only be as tall as the phosphor washer. most titanium alloys will work harden easily, so much that machining it is a pain because it will harden during the process. 99 Feel free to skip this step if you know what a liner lock knife is. This process changes the structure of the metal. File slowly! Disclaimer: I'm not responsible for any injuries(likely) or deaths(unlikely) that may occur as a result of your attempt to follow this instructable, nor am I responsible for what you do with the information you have obtained from this instructable, nor what you do with the knife you have made. I'm going to reference the pictures from here because I think it's easier. The orange line represents the parts of the blade that will contact the stop pin when the blade is closing. Some alloys can be hardened by heat but they eventually anneal after the treatment. -Titanium (Around 0.060" Thick, for the liner lock) Then, make the backspacer. Because of the relatively small radius of the pivot to stop pin compared to the pivot to tip of the blade, a small change can make a big difference! It's time for fitting. A lockback knife is a type of folding knife that has a special feature: a locking mechanism that holds the blade firmly in place on the handle when the blade is fully extended. Folding Knives Knives … However not so much with heat treating it. and on precision parts i'd go oil with no question, ruining hours of work in seconds feels really bad. The light green verticle line is your lock. I usually have a certain pattern depending on how much steel I need to remove. Now, try to open and close the blade. This is just a pillar of support the same   width as the blade and the washers. You want the angle of the tang to be around 8 degrees. The point labeled B is where the blade contacts the stop pin. You do NOT want to use water though, this will make the metal brittle. Titanium is not usually used in the manufacture of knives so little data is available on the topic.http://www.ehow.com/about_4705418_titanium-knives.html. Reply With the handle in the right hand, push the file towards the base, or tip of the blade. Facebook. We carry both Fixed Blade Blanks and Folding Knife Kits. First, determine where the detent ball should go. -Ball Peen Hammer There should only be one line, but if there are two, this means that there's a small difference between the size of the bit and the blade thickness. Feel free to skip this step if you know what a liner lock knife is. The fit will be very tight at this point. holes were difficult for me. For these next steps, please take your time. I suggest using inkscape for the drawings, although if your hands are good, drawing works as well. To harden it you want to heat the metal way up then quench it in oil. Sorry for the bad explanations, I'm going to let the pictures finish. in fact, where maximum hardness is required, such as gages and standards one would use oil followed by sub zero quenching, not water. Superstore of knife making … Did you make this project? File the blade, and leave around 1/16" of thickness on the edge of your knife. Unfortunately, I get caught up with the work sometimes, and forget to take pictures. In the picture below, these are the two silver ones located near the blade, and the two brass ones towards the end. How to Make a Flipper Folding Knife. Thus, we offer a range of knife making supplies, including knife making … In order to give the hacksaw blade space to fit, I drilled a series of holes right next to each other, and then opened it up with a file. -Backspacer Material (thickness must equal your blade's thickness+washers Sounds simple huh? You didn't have the right polishing compound? Then flip the blade over, and do the same. Too much, and the lock will slip when any force is applied. 8 years ago If you use a 1/16" detent ball, a #53 drill bit is perfect. -2 Phosphor Bronze washers (Your choice of thickness, I use 1/32" I believe.) -Handles (G10/Micarta suggested) Start with a center punch, and drill through the knife. Scales- The handle materials. I usually do the 1084 by myself (other instructable), but for the more complicated heat treats, I send it off to Texas Knifemaker to heat treat it. on Introduction, 8 years ago Materials: The main parts of the lock are the stop pin, pivot, and the liner lock itself. When adjusting this bit, make sure that the blade will not touch the backspacer, nor stick out of the handle. Also, cut out the handle slabs at this point. The reason for the phosphor bronze washer is simple: Since a liner lock has handles on both sides, the lock cannot move out, or away from the center of the blade. Twitter. There is a lot of good information there but not necessarily written by experts. It's the perfect gift for that gentleman who wants to tinker with things and create a finished product. Too little, and the blade will not have as much room to adjust. folding knife making kit was a HIT Gave this to our 78 year old father and he absolutely loves it. File PDF. The author’s finished flipper folder—sanded, polished and ready to go! Tools: I use Lansky) You will file at a slant, so that the knife shape is there. However, the price is decently cheap, and not counting the tools, only costs me around $25 per knife. My favorite is the Norseman Cobalt bits from USAknifemaker.com. I would stick to using you hammer to work hardening it. Then cut perpendicular to the open blade. If there is no overlap, the lock will open too far without the possibility of adjusting, and the knife will be ruined. We have all the pieces you need to start making your own custom knife. If the blade cannot swing open and close, material needs to be removed from the middle in order to allow the blade to swing. also you're more prone to warping and inducing stresses in the material. For me, I make knives as a hobby, and it takes me around 30 hours per knife. For the best experience on our site, be sure to turn on Javascript in your browser. Make sure you use oil for ferrous alloys. This is superstition, and I'm not 100% sure it works. Basically, file out the edge. A liner lock knife is easy to design. Essentially, what's going to happen is trial and error. Pinterest. The lock, when made correctly, is very strong, and also allows for wear. If you are just starting, I would try a small simple knife. And it would be so helpful to be able to check if the stop pin is going to work out well where its placed. The knife held, but to my surprise, the lock bar had compacted, and thus wore so quickly the blade developed lock rock (where the blade can move a little bit when it's locked.) You can push it in with an extra piece of metal, or use pliers. -Detent Ball (I use 1/16" diameter) if you quench in water microfractures in the steel can develop into big cracks. Drilling needs to be precise. In other words, by doing so, you can extend the life of the knife. Using a ball peen hammer, smush all the pins in. This gives you non-working models to hold in your hands, and that’s just one more step towards real knives … The bottom stop pin area will cause the blade to sit deeper in the handle when closed. The detent rides on the lockbar, and when the blade is opened, is pushed out to the side. Drop Point. Definition: Torsion springs used in the mechanisms of retractable knives to allow the knife to swing out automatically with the push of a button. Or one can use pre-manufactured pivots and stop pins) (I used 1/8")  Grinders and Sanders Plans Parts Complete. 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Don't forget to account for the thickness of the saw! Also, to help prevent lock rock, only the last 0.125" of the lock should contact the blade. The bare needs for design: The blade, handle, pivot, stop pin (or something that holds the blade open and closed), lock, detent ball and detent hole in the blade. Then drill the next hole, and then put in another pin. The top area raises the blade when the knife is opened. At Atlanta Cutlery, we understand the desire for custom knives. This way, the drill bit will mark a line right down the center of your knife. It's not necessary, since the lock bar will wear in and match the angle eventually, but having it pre-matched can save the lock bar from wearing in and losing life. The blade should be done, except for extra metal behind the two stop pin contact points, and behind where the lock would touch the knife. Like I said, a drill press would be your best bet. It's hard to explain, but check out the first picture. oil is a much 'smoother' quenching media, while still dropping the temperature of the material effectively to the required zone. on Introduction. To double check, flip the blade over, and do the same thing. Nice instrucable by the way. If you want shinier you have to go higher, I find 600 is usually enough for a hand finish, if you use precious metals then you have to go to 3000 for that mirror polish. From beginners who are looking for all the pieces to make their own knife making … Other than that, the blade should be looking good. EDIPretty much the most critical step. Also, file the lock bar, and try to match the angle of the blade tang. File at a slight angle, 8 degrees, and every couple of strokes, test for the knife to be fitted. These are sure to make great quality knives that you will cherish for a lifetime. -Hacksaw (With metal cutting blades. This idea came because on one of my knives, I tested the lock by smacking the blade with a hammer. I usually aim for at least half of the titanium contacting the blade. Either way though, once you're done with your design, a prototype cut out of cardboard and a thumbtack is suggested. A straight spine helps with alignment, but is not necessary in the design. Vintage Folding knife soviet USSR prison art Handmade knife ИTK #3. All of the materials can be purchased from USAknifemakers.com. Select a category to see more knife making supplies and blades. Thanks for reading this instructable, and enjoy your new knife! A link can be found here: https://www.instructables.com/id/Knife-Making/  This instructable is intended to be able to be read by those who are not familiar with knives, but I may use some unfamiliar terms by accident. Touching up certain steels with your sharpening stone is an easy, pain-free process whereas harder steels can make for an all-day affair to bring them back to sharp. So is compacting the lock with a hammer the best way to work harden? Before you start, put the knife together, and open the blade. Lloyd Harding. Make sure to leave extra space around your lock and stop pin areas on the blade. Knife Making Supplies - Best prices, selection and service. Take a small bit, which is just a hair smaller than the detent ball, and drill your hole in the liner lock. Make them roughly accurate. If one is right handed, when the knife is cutting edge up, the liner lock would be built into the left side, and will spring towards the right. handmade ITK rare USSR. Either way, I hope to start publishing more instructables, all to do with knives, since I'm a knut (Knife+Nut). Open the blade a few times. Don't lose everything because you want to save a few minutes. Project of a folding push dagger. In my case, I had to use a hacksaw. I've posted an instructable about making a fixed blade knife. Mark the center of the hole (I used a … You want to bend it so that if the knife were assembled, the lock is being pushed towards the center. If you're looking to customize your knife or try your hand at knife making this is the site for you! This is why it is so important to have the lock area be flat. Over 9000 knife and holster making supply items. Vintage folding knife … These are great for the demanding customers who require a 100% made in America knives… Drilling a perfectly placed perpendicular (say that three times fast!) My 3rd and 4th folders, that I am currently making, have perfect detents and have just been sent off to be heat treated. Do it slow. Picture 1(Open blade): Point A is where the stop pin meets the blade. The depression hole doesn't need to be drilled too much, just at least as deep as the height of the ball. Share it with us! The last area is in between these two stop pins. Never heard of using oils, but I'll give it a try! If Wikipedia is to be believed, "Water is one of the most efficient quenching media where maximum hardness is acquired," Apparently the Japanese tend to use water the most to quench Samurai swords too. $110.00 + $15.00 shipping. This will allow you to figure out where to drill the detent depression on the blade. Right now, I have 2 blades there. You don't have to be a precision machinist to make one, but you do have to take care to be accurate. USA Knife Maker, The top supplier of knife making supplies online Handle Hardware We warehouse a wide selection and variety of knife handle parts, and hardware. Point is, making knives takes patience and time. Also, when drilling for the handles, it helps to make the titanium piece first, and then use that as a template for the handle scales. The detent ball will push aside the expo marker, and create a little track where it goes. I use a hacksaw with lansky blades. 8 years ago You know pfred2, I used to thing that using a polishing mop (well a series of them) would give a mirror polish... first day doing a trade jewellery manufacture course taught me better ;-) One of the main problems with a mirror polish is taking photos :-). Being able to field sharpen your knife can be the difference between life and death in the wilderness. It doesn't really matter how the pins get in. Our USA series are not only designed here in the United States but manufactured as well. Push the blade in on top of the pivot pin. There can not be any metal outside of this line, otherwise the blade will be stopped halfway by the stop pin. If you have forgotten, or are new to Premium Knife Supply, it works like this: the more you buy, the more you save…. Connect With Me! Now, with your lock bar released, bend the lock bar out by securing the back of the liner, and pushing the lock down. -Files (Round and flat) I added some ideas below for examples. Use a file to finish the blade. File PDF. These designs are suitable for anyone with a drill press and some basic hand tools. When the blade is closed, the detent, and the liner lock, moves inwards a bit, and the detent ball falls in a depression in the blade, thus keeping the knife closed. Now, take a clamp, or a hammer, and gently press the ball in. Now, you want to drill the depression just a bit in front of the end of the detent's track. Great prices on knife making supplies, knife blade blanks, knife handle scales, fixed blade and folding knife sheaths, and knife display stands. The smaller size would take less time since there is less steel to grind, and the first knife would probably not be perfect. Nothing too dainty here. Being too rushed would ruin the knife at this point. The detent is a small ball that keeps the blade closed. Using a hacksaw, cut out the pivot and the stop pins. Remember, it is important to leave space around the stop pin contact points and the lock area! I use drawfiling. I'm no expert so for exact hardening processes I would do some research yourself. Pins- What holds the knife together. When removing metal, this line must be kept straight for your lock. I know not a lot of people will go through with such a project due to the amount of time it takes. Now, all you want to do is just file the tang down until the lock bar fits. Probably going to come out with a stonewashing one soon! This project is somewhat difficult, and requires familiarity with basic tools, as well as quite a bit of time. Backspacer- A chunk of material located near the end of the handle (opposite the blade). It'll be useful to read that first, because in this instructable, I will not go over those steps again, but merely focus upon the nuances involved with creating a folding knife. -Sharpie If the detent ball were higher than the washer, than there would be no space for the blade to open, and the lock to move away. Mark where the blade tang is. If I do, please ask. Going too hard might flake the titanium. How you do it is up to you. This will prevent the blade from closing too far. I use this drill guide thing, but a drill press would be much better. Once that's done, take the ball, place it in the hole, then take the phosphor washer, and place it so that the ball is in the center of the washer. Also, I find that I never follow my designs exactly, but a good design is essential to make sure the parts come together. This means the lock needs to be filed at a slight angle, so the bottom of the lock contacts the blade. Lastly, find a sharpening stone and sharpen the knife. **Pakistan knife making … -Blade Steel (1084 can be heat treated with a fire. Folding Knife #7 SOG Trident Elite. 6 years ago Folding Knife … Any questions are welcome! Basically, I compact the lock, and then "heat treat" it. You do a lot of hand work, so this may be right up your alley. G10 is a really good material to start with- it's strong and easy to machine, although a mask must be worn to protect against the glass fiber it will release. Knife Making Kit – Includes Stainless-Steel Blade, Maple Burl Handle, Brass Bolsters, Leather Sheath And Step-by-Step Knife Making Guide – Awesome DIY Gift For Men 4.4 out of 5 stars 79 $159.99 $ 159 . That way, there will only be one initial resistance when closing the blade due to the detent. As the blade wears in, more of the liner lock will contact. I find it rewarding, but each to his own. Follow your local laws at all times! -Expo Marker In order to make hardened steel less brittle you temper it.http://en.wikipedia.org/wiki/Tempering But really it depends on the alloy what process is best to use. Just somehow, get the design cut out. All the parts are the same, and the instructions to build them are the same, but just be prepared for a sudden change in the knives shown. For my second knife, the lock up was perfect, but the detent was too weak. Afterwards, the detent can ride on the blade the entire time. This is okay, just know the center is directly between these two lines. Olde Towne Cutlery is a family-owned business in Dawsonville, Georgia that offers the finest cutlery products from around the world with research and history behind each knife. Thus, I will be using several different models to demonstrate the steps. The liner lock was invented by Michael Walker, who altered the electrician's knife to create this folding knife, with a ball bearing as its detent. This is just a little piece of material the same thickness as your blade+2 washers. Coat the inside of the blade with a white board marker first. It's fitted when the lock can engage the blade and keep it open. ... Folding Knives Automatic Knives Fixed Blade Knives Out the Front Knives Butterfly Knives Spring Assisted Knives Throwing Exclusive Knives Do not drill the detent right now.

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