HOW to MAKE a Knife FROM Ratfile.

First create a sketch of the coming of the knife in the true value [puc.2]. We draw the blade, the curves, the area under the handle, the handle and how it will be attached to the workpiece blade. You must imagine that you wish to receive.

As a material for the upcoming knife, you can use:

— ratfile, which can be easily purchased in the shop tools. Usually the material is carbon. steel u, hardness personally 57-58 HRC. Cutting properties are excellent. Shock kept great, are painted.

— canvas for mechanical saws. To get
it can at the flea market, on stroyline, or where it is used, but in the form of fragments of suitable size and very low cost. Material production — high speed steel, hardened to 62 Rockwell.

These two types of materials similar in quality blanks for those who wondered how to make a knife in home criteria. But, the canvas mehely still slightly better.

Now make out the ready position of the knife from ratfile.

1. Need:

— ratfile (preferably Russian);

— the material of a handle of a knife (wood, fiberglass, plastic, etc.)

— wax and Shoe Polish;

— gas stove or any other device for heating;

— the vise;

— grinding machine;

— the grinder;

— magnet;

— sandpaper;

— adhesives for leather and metal;

— material for rivets (preferably brass or stainless steel).

2. It is necessary to carry out the annealing, it is subsequently necessary to warm up ratfile for 4-6 hours in the oven and leave to cool with the furnace. This is done to bring the condition of the metal is close to datawomsci processing. Another option is to heat in the fire 5-7 hours and leave to cool in the coals.

On a gas stove: cut ratfile, specifically of which will be the cutting edge, should be placed over the flame, and above it to install the screen in the form of an iron plate or pan with water for example.

The screen is an inch above ratfile, in other words not very tightly to touch put a plate on some bolts. This is necessary to reflect heat return it to ratfile to the metal perfectly warmed. Sprinkle the workpiece salt, salt has melted, and the color of the workpiece must be accurate.

Wait 4-6 hours, certainly priotkryta window or an air vent, and the gas can head ache. An hour before the appointed time, turn down the gas every 15 minutes and after turning off allow to cool without external cooling [puc.3].

3. Then cut, clip and stative all excess, give a desired shape of the blade and place under the handle. Cut the groove for rivets (drill — the drill will probably take). We have almost made the knife in home criteria, there are still insignificant.

4. Tempering (heating) — as the blade by heating finishes magnet, Aznakaevo it is the hardening temperature [puc.4].

Moderately heat the workpiece to the monochrome luminarie (in other words glow); handle temper is not necessarily, less than 4 cm beyond the edge.

As the blade will not become a magnet, heat for a few minutes without overheating the color in which he lost the magnetic characteristics, and abruptly thrown into the water. Hardening is done correctly if the blade will be able to leave scratches on the glass surface.

5. Vacation is a usual process for configuration options, reduce brittleness and to the chagrin of cutting properties, but without it he would be like «crystal». Warms up to 170-210° C in the oven, heat for 2 hours and left to cool in the oven.

6. Now bring the blade to the knife all means at hand (hone, grind and so on). But without fanaticism — because the blade will be subjected to etching, just simply bring the blade to a careful, steady and smooth.

Polishing is not necessary, would interfere with the etching, it is necessary simply to achieve the desired level of purity [puc.5,6,7,8].

7. Protrusive the knife in chlorine gland, to grey-matte color. Obtained by etching the oxide film to be a good barrier to corrosion. If there is no chlorine iron (you can find in stores radio parts), it is possible to carry out etching in the lemon juice, acetic acid, Sprite (for previously giving out gas) and even mashed potatoes.

Fundamentally that when etching was observed purity blade, differently from spots gratisi any traces of contact fingers neobits.

8. Plant on rivet handle knife, glued them before the glue to the piece of the blade. Neatly sharpened the knife. Better hands — scratch on the blade is not fatal, unlike overheating illiterate when sharpening on a grinding machine [puc.9,10].

Rythem monatom sharpening, RUB wax and all, the knife ready

Instead of lining (arms) you can use a strip of skin is moderately wound on the harvesting knife, previously lubricated glue one side of the strip of leather. In this case, the skin should be treated with Shoe Polish and allow to dry.

#vyzyvayustchim
( http://handmade-faq.livejournal.com/)

HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
HOW to MAKE a Knife FROM Ratfile.
Nikita TEMNOZOR

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