In this article, the Wizard will tell us how to make a pizza knife out of a saw blade.
To make it, you need the following
Tools and materials:
-Disk from a circular saw;
-Bandsaw machine;
-Grinder;
-Vise;
-Engraver;
-Forge;
-Pliers;
-Cap with corn oil;
-Electric furnace;
-Clamp;
-Marker;
Step One: Markup
On the old saw blade, the master draws a picture of the future knife. The hole in the center of the disc fits harmoniously into the shape.
Step Two: Cutting
On a band saw cuts a workpiece.
Step Three: Grinding
By installing an abrasive stone on the engraver, and the workpiece in a vice, the master grinds it along the inner contour.
The external contour is grinded on a belt grinder.
Grinds the plane of the workpiece.
Step Four: Downhill
Before the heat treatment makes the slopes.
Step Five: Heat Treatment
Next, the master places the blank of the forge. The master checks the heating temperature with a magnet, as soon as the workpiece ceases to magnetize, so you can put it in a container with corn oil. After 50-60 seconds, the workpiece is removed.
Further, the master will interfere with the workpiece in the furnace. It must be kept in an oven at 400 ° C for about two hours.
Step six: fine-tuning
After heat treatment, the master polishes the knife.
Handles the slopes.
It polishes.
Seventh step: sharpening
In principle, the master sharpened the knife on a belt grinder, but in order for the sharpening to be perfect, he processes the blade on the grinder with a circle of leather mounted on it.
Everything is ready, the knife not only cuts pizza perfectly, but shaves hair.
