File Knife

Knife from file
File Knife
This is my first guide to making, so just have patience and read it to the end. I made this knife from an old file that I bought on a cheap basis. I may be mistaken in some places, so if you know how to do something better, write it in the comments. , if you change something in my manual — design, size, material, and so on — so that you can make your own unique knife. I write selected text in places where you cannot make mistakes that I have already made . I want to warn you: the knife you make is likely to be very sharp, so be careful not to hurt yourself.

Otup to the file

File Release
Leave the file
Here I will describe the method I learned about from a friend. To keep the blade sharp for a long time, it needs to be hardened. I do not have the equipment to do it efficiently, so I use an already hardened file.But since it is too brittle and cannot be processed, we release it. Place the file in the oven heated to 200 ° C for about half an hour. Clean the file well before releasing it. I did not do this, which is why the whole house was filled with smoke.

Design of the knife

Knife from file
Knife from file
Knife from file
Knife from a file
The first thing to do is to come up with a knife shape. I drew the shape of my knife on paper. But on the Internet there are ready-made drawings that can be printed. I like to draw by hand, because I can resize this way. Outline the file on paper. Now we start to work. From my own experience I will say that the most optimal handle length is from 9 to 10 cm. The length of the blade can be any. I like short ones.

Moving a knife shape to a file

Knife from file
Knife from file
A knife from a file
Cut out the drawing or printout of the knife, and place the layout on the file. Circle a marker around the contour.You may first need to clear the file so that the marker is noticeable.

Cut out the shape of the future knife

Knife from file
Knife from a file
For cutting out the form I use an angle grinder (grinder). Clamp the workpiece in a vice and cut off small pieces from it. Be careful not to overheat the metal, otherwise it will have to be hardened.

Blade Processing

Knife from the file
Knife from the file
The Bulgarian and the belt-grinder (10 by 90 cm) give the blade the final shape. Here again you need to be careful not to burn the blade. a small black spot is not terrible - it can be worn out, but the metal burnt along the entire length of the blade must be cut.

Layout

Knife from the file
Knife from file
Knife from the file
Knife from the file
Paint the edge of the blade with the marker.Then use a drill of the same thickness as the blade to scratch the centerline where the cutting edge is. Then draw the lines where the descents will begin.
Knife from file
Knife from file
Knife from file
Knife from a file
Use a grinder and a belt sander to grind off your descents, focusing on the line. Cool the blade from time to time by immersing it in a glass of water.

Rivets

Knife from file
Knife from file
Rivets can be made in different ways. They can be made from nails or ordered online. I used spacer sleeves for rivets, which I bought in a building materials store.

Material for the handle

File Knife
There are no restrictions here either. The handle can be made of wood, mykarta, bones, horns. I made a piece of wood that I found at home.

Handle release

File knife
Knife from the file
File Knife
Hard metal is very difficult to drill, so you need to let it go. Place the knife blade in a fireproof container of water. Burner heat the handle reddish and allow it to cool down in the air.

Drilling holes in the handle

Knife from the file
Knife from a file
Mark the holes. Drilling is best drilling machine. If there is no possibility of drilling on the machine, make sure that the holes are strictly perpendicular to the blade.

Cleaning the blade

Knife from a file After the blade lies in the water, it will appear rusty. It can be cleaned by placing it in a glass with vinegar. Do not leave the knife in vinegar for more than 24 hours, otherwise it will be covered with corrosion, so that later it will be difficult to remove.

Grinding

Knife from file
This is not necessary. But after the vinegar the metal will darken. If you wish, you can leave.Manually clear the blade, gradually reducing the grain size of the sandpaper.

Cutting the handle

Knife from file
Knife from file
Knife from file
Knife from file
File Knife
Attach the handle to a tree and trace around the contour. Cut so as not to cross the line. My piece of wood was too thick, so I cut it in half.

Drilling holes in wood

File Knife
Hold the wood and blade in a vice and start drilling, making sure that the blade and the wood do not move. Do the same with the other part of the handle.

Rough grinding

Knife from file
Knife from file
Knife from file
File knife
Connect all the parts of the handle and insert the rivets into the holes.Grind the handle, because after gluing it is much harder to do.

Grooves on the butt of a knife

Knife from file
Knife from file
Knife from file
Knife from a file
This step is optional, but the grooves increase the grip and the knife with them looks cool. Mark the places of the grooves, then clamp the knife in a vice. File small recesses with a file.

Gluing the handle grip

Knife from file
Knife from file
Knife from file
Knife from file
File Knife
Strip the handle with coarse sandpaper for greater roughness. Apply glue to handle and rivets. Attach one overlay to the handle and insert the rivets. Apply glue to the other pad and press it against the handle. Clamp the handle in the vise and leave it overnight. >

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