Maybe it’s a really old and rusty blade that has an extremely hard time opening. You can use 3/8 inches of the four-fluted mill. This step is just to familiarize those who do not know, and also give an overview of what we will be making. Put the knife on the circular saw and trace the outline of the blade. Tony Bose, the man perhaps most responsible for the rebirth of the slip joint/pocketknife genre in today’s knives, BLADE Magazine Cutlery Hall Of Fame® member, loving husband and father, and friends to scores in the knife industry, passed away Sunday, Nov. 22, 2020. He begins by printing a template and gluing it onto a circular saw blade, which will make … The blade must be around 1/4 th shorter than the length of the frame. And it safeguards other items in my pocket that can be damaged by the knife. In other words, by doing so, you can extend the life of the knife. Note the backspacer on the right side, with the two holes. i said all this both from experience and literature, i'm fairly good at metallurgy , specially of ferrous alloys. little tutorial how i build the folding knife kit from knifekits. # It is required for you to use the band saw to cut the face properly for the lock. 3. After this, de-burr and assemble it again. A liner lock knife is easy to design. Let's Design a Liner Lock Folding Knife! if you quench in water microfractures in the steel can develop into big cracks. -Hacksaw (With metal cutting blades. Then, I take a match, and just heat up the face of the lock bar a few times. If you are just starting, I would try a small simple knife. Many people mistakenly believe I made them automatic. Clamp the mill with the help of a slitting saw to cut up to 3 inches in length. * The tang end should be coated with carbide. This tutorial will show you how I make a slip joint pocketknife step by step. For me, I make knives as a hobby, and it takes me around 30 hours per knife. Lay the knife out on your piece of cardboard and roughly trace around the blade and as much of the handle as you want to cover with your sheath. I have been playing with a design for a pocket knife in SketchUp, an all metal folding lock-back with a 3-1/4″ blade. The components of a slip-back folding knife: When the blade of a slip-back folding knife is opened, the “run-up” stops securely against the top of the spring while the spring is pressing against the “back square”. For these next steps, please take your time. File slowly! I use this drill guide thing, but a drill press would be much better. 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. # Grind the screws of 2-56 to make sure that they do not touch each other when they are screwed. 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. Make a pivot hole with the help of the dowel pin of ½* 1/16 inches so that these two plates do not move. 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. It helps you cut the designs for the blade, which is the critical part of the knife. The position of the knife needs to be such that the strong hand can grasp it with minimal movement. I find it a very nice hobby with the reward of a new knife, custom made to suit my hand, that will fulfill my exact purpose, and costs less than $30 for something the market would charge a lot more for. Before you start, put the knife together, and open the blade. Well, adjusting the sharp body with a proper handle is a crucial part of making a foldable knife and is considered as the toughest part also. They've been doing that for long enough that I think they may know what they're doing now. Do not drill the detent right now. Rather than repeatedly flicking your knife open and closed, which can cause damage to lock arm (and void your warranty ), follow the steps below to break in your knife. Let's Make a Folding Knife! If you are going to try to do it with just a drill, try to keep it as close to perpendicular as possible, and when you're drilling holes where the same pin would pass through, use the holes as a guide for the next hole to be drilled, that way all your holes can be at the same angle. I don’t have any special equipment such as milling machines or surface grinders, so the knife in this tutorial should be able to be made in any standard knife shop. Your knife; your pattern! It takes a while with hardened steel, but it is the last step! File at a slight angle, 8 degrees, and every couple of strokes, test for the knife to be fitted. Consumers Arena is reader-supported. The machine that carried out this welding job is known as a carburizer. Send me a note at: The next big thing to do is to remove the pivot pin for drilling up to 3/16 inches. Coat the inside of the blade with a white board marker first. Start by cutting out the long line, parallel with the open blade. There can not be any metal outside of this line, otherwise the blade will be stopped halfway by the stop pin. Draw the plastic handle on the titanium sheet. Picture 2: This is the blade closed. Now there are two … The lock can be released to close the knife by depressing the spring-loaded lever on the top edge of the handle. 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. And it safeguards other items in my pocket that can be damaged by the knife. The process would involve drilling holes. This should clarify the old hardening process. By filing the metal on the blade that contacts the stop pin (green dot), the blade is allowed to rotate further back, and thus the tip of the blade will rise. These plans are very user friendly which helps in making each woodworking project enjoyable and simple. There are three "make a knife" sections to this book. The most important part is to have the two holes. Did you make this project? not very hard. If you don’t have some of the tools that I’m using, be creative. water will work for most work though and i have been using it with success for quite some time. In my case, I had to use a hacksaw. Make sure you use oil for ferrous alloys. As always, if you have any questions at all, just comment in the instructable! The handle (tang) part should be already … You must use the blade to cut in shape. I find it rewarding, but each to his own. You want the angle of the tang to be around 8 degrees. The top area raises the blade when the knife is opened. There are also knife enthusiasts who would have a collection of different knives. There are also knife enthusiasts who would have a collection of different knives. One advantage to inkscape is that when you rotate, you can set the pivot point to the actual pivot on the knife, thus allowing you to have some sort of a virtual model of your knife, and watch it swing open and closed. Either way though, once you're done with your design, a prototype cut out of cardboard and a thumbtack is suggested. 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 :-). Trust me it will put your work into a higher class ;-). Due to the slight size difference, the ball is now press fitted into the liner lock. If you are one among them, read on this article to make a folding knife that you can carry while hiking, camping, or going outdoors. Now, you want to drill the depression just a bit in front of the end of the detent's track. Just somehow, get the design cut out. If you don’t have some of the tools that I’m using, be creative. Make sure to leave extra space around your lock and stop pin areas on the blade. Now, take a clamp, or a hammer, and gently press the ball in. This will help to define the edge and complete the knife. We may earn an affiliate commission for a qualified purchase. Nothing ridiculously hard, but just a few good smacks. Begin at the centerline approximately ⅛” … Then drill the next hole, and then put in another pin. If the blade cannot swing open and close, material needs to be removed from the middle in order to allow the blade to swing. SketchUp is good for this, in that the parts can be rotated just like they would be in real life to check for clearance and alignment issues, but doesn’t tell the whole story. Discerning what damage has occurred to the edge is a revealing first step. Next, open the blade, draw a line using the knife, and the back of the liner’s tang. The authors - Lake, Centofante, and Clay are each well respected knifemakers. Edge is a tool that is on the blade, … making folders is about! Wheel to get a mirror finish # 53 drill bit up to 0.054 to 0.055 inches the treatment! An extra piece of 1095 barstock stick to using you hammer to work harden how to make a folding knife. The backspacer, nor stick out of the dowel pin that if the stop pin cool quickly. Overall knife, folding knives, knife making water is considered a 'harsh ' media! Small ball that keeps the blade from closing too far resistance when closing the blade opened. 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