It is generally accepted that the invention of this method belongs to gas welders from the distant Soviet times. It is so reliable and simple that today it is used in almost every field of activity, one way or another related to the use of hoses.
The hoses by this method were crimped not because of the absence of clamps, but because of their bulky dimensions and comparative "weakness".
The safety regulations do not recommend using this method. It is supposed to crimp the tube with a lathe. Since the method is affordable, reliable and rudimentary, it is widely accepted.
I would like to say that this method is not suitable if the hose is connected to any equipment.
So, crimping is simple!
We firmly fix one of the ends of the wire.
At this point, the hose should already be attached to the tip or fitting.
We make two turns with a wire in the place where the crimp will be.
Here we need an assistant who can pull the wire as much as possible, holding it by the other end.
In the absence of a person who can help, you can tie the other end to something.
We scroll the hose along the axis, making two or three turns in both directions. Thus, the wire is "rolled" into the hose, pressed into it.
If you do all this without an assistant, you need to push down, then the wire will be taut.
When the wire is well pressed, you need to twist it. To do this, turn the hose.
Then we remove the wire from the fasteners, slightly lengthen the twisted end, bite it off and bend it.
If necessary, you can make a second crimp next to it in parallel.
Crimping performed by the described method is no worse than a clamp, it may even be more reliable and durable.
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