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The machine for weaving a grid the chain-link

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The machine for weaving a grid the chain-link


Metal mesh fence is better than any wooden picket fence. And it lasts longer and does not shade the plants. The posts for its installation can be any: steel or asbestos-cement, reinforced concrete or, at worst, wooden. However, reinforced concrete pillars are easy to make yourself. The form for them will serve asbestos-cement pipe. And so that the concrete does not stick to the walls, it is oiled from the inside. In concrete, in advance, holes should be made for the installation of anchor bolts and wire fastening. After all, when the concrete hardens, it will be very difficult to gouge them.

And now we proceed to the most troublesome business - the manufacture of wire mesh. The most common cell sizes are 80x80, 60x60 and 45x45 mm.

Figure 1 shows the device is a simple device that will facilitate our work.
It is designed for a cell of 80x80 mm. The wire, so as not to be confused, is placed in concentric circles on the supply drum - an inverted bucket, placed on a wide board. The position of the bucket is fixed by the load. From the drum, the wire is fed to a section of steel channel, on which there are three rollers. Changing the position of the central one, they regulate the tension force of the wire. And in order to make the rollers easier to turn, they put on restrictive washers with a thickness of 1-1.5 mm on both sides, which serve as axles.
The wire prepared for weaving is wiped with a cloth, which is abundantly moistened with machine oil, and sent to a bending machine installed on a flat steel plate. The length of the plate corresponds to the height of the grid. It is attached to a sturdy desktop.

The machine itself (Fig. 1) is a thick-walled steel pipe in which a knife is made of solid strip steel. In the pipe cut 4 - 5 mm spiral groove at an angle of 45 degrees to the axis. At a distance of 5 ohms from the edge of the pipe, the groove ends in a round hole. The pipe is welded to the steel corner so that the welding does not close the groove. A corner attached to the base. The correct installation of the support regulate washers. The knife in the groove of the shaft is fixed with a screw or stud.

In Figure 1, the numbers indicate: 1 - a knife; 2 - support; 3-shaft; 4 - pipe; 5 - base; 6 - corner.
The shaft should rotate freely, and the gap between the walls of the pipe and the knife be 0.5-1 we. The work table is arranged so that the wire stretched at an angle goes up to the receiving drum. It can be a stand to which a wooden shaft or a pole is attached (Fig. 2).

The weaving operation is performed in such a sequence. The end of the wire is bent in the shape of a hook half the length of the cell, pulled through the wire through the groove of the pipe and attached to the edge of the knife. Then rotate the handle until the wire becomes wavy. The wavy blank that came out of the machine is cut into lengths equal to the height of the fence plus half the height of the cell, and intertwined on the desktop.
The finished mesh is wound on the shaft of the receiving drum. The most suitable material for weaving mesh - soft wire with a diameter of 2.2 mm. Consider that from a segment of 1.45 m of a flat wire, 1 m of wavy is obtained. So, for the manufacture of the grid with a cell of 80x80 mm will need a skein of wire length of 36.35 m (25 segments of 1 m).

Before stretching the net, dock separate pieces between you (fig. 3).
The easiest way to do this is by unscrewing the outer wire. Attaching the ends of the pieces to each other, connect them with a laid out wire. No traces will be noticeable. There is another way: the ends are connected by a straight wire, penetrating the cells like a needle (Fig. 3). But in this and in the other case it is better to divide the wire into two parts and join the pieces on both sides. After all, to stretch the wire to half the width of the grid is much easier.

When the grid is connected, it can be hung to the posts. If wooden cross-beams are mounted on them, the operation is not difficult: the grid is slightly tensioned and nailed. Unprepared pillars require strong tension. It is performed like this. A steel bar is passed through the extreme cells. The cable is attached to it, and with its help tension the grid.

Figure 4 shows several fixtures for this operation. The easiest way to use the lever is a long strong pole, one end of which is lowered into the hole, so that it does not slide, and the other end is pulled with ropes. You can use a threaded tension sleeve or a bow, twisting a strong double rope or cable. But at the same time it is necessary to have a support, for which it would be possible to hook a bow or a coupling: a tree, a pole or a wall of a building.
And the simplest is to dig a log into the ground.

The grid is attached to the posts with wire or bolts with a washer of large diameter. Last mount, of course, safer and more accurate. Finishing work coloring. It is more convenient to work together, standing on both sides of the hedge. Each one paints his side, helping a friend to paint over the weave - the most inaccessible places. It is better to use a brush, the paint roller of an interlacing will not paint over. And here do not regret time. After all, how long the mesh is dyed depends on its service life.
In a word, honest work pays off with interest.