Cut from foam different shapes and elements of scenery without a special machine will be hard. There are almost absent such aggregates on sale. But the machine can be made without much effort. It is possible stationary, portable, and can be universal. We will consider the manufacture of a universal machine so that it can be rigidly attached to the bed and, if necessary, use it regardless of it.
1
To begin with the aluminum tube you need to make a frame. The tube must be taken with a diameter of 15-20 mm and give it a U-shaped form. Take thirty centimeters between the ends, and let it be fifty centimeters. On one side of the frame, make a handle. You should have something like a jigsaw or an arid saw.
2
At the ends of the tube with screws screw two ceramic insulator. They can be taken from the used Tan. They need to attach nichrome wire. Nichrome will be a cutting part of the machine. It should have a diameter of 0.5-0.7 mm and is not very tight on the frame, but at the same time not weak.
3
Put the button from the engine. Position and secure it so that it is convenient to keep the machine and turn on the button at the same time. It is needed in order to make it convenient to use the machine in manual and stationary modes. In the manual you hold the button, and the spiral is glowing, let go - went out. For a stationary mode in the button there is a shutdown lock by clicking on which the machine will remain enabled. It also has a revolver regulator, it can be used for a soft adjustment of the heat temperature of nichrome wire.
4
Pick up a lowering transformer 220 \\ 12 V. Very well suited from the old black and white TV. Connect to the primary winding of the cord with a plug for a plug, be sure to place the switch. Connect the secondary winding to the button. It has two channels, just for two wires. Cable for connecting Use flexible, in double isolation. Connect nichrome from the button flexible wire. For convenience, skip it inside the tube. You can turn on the variable resistance resistor to the chain for the convenience of setting the temperature mode. With the help of the resistor and the knob on the button, the nichrome thread have a dark cherry color. Such a machine can be used as a jigsaw and cut any figures from the foam.
5
So that this machine at the right moment becomes stationary, it is recommended to make a table for it. It will work out from the old viper door, putting onto the goats. In the middle of the side, make a cut 55 centimeters long and the thickness of the tube. When you need to cut long smooth sheets, then secure the machine into the cutting table, and you will get a stationary machine for processing foam.
As you can see, make the machine itself to cut the foam at home, is not as difficult, as it seems, it is not necessary for the details of scarce.
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