Why the nail bends? Which of us had not to exhaust
with the nail hammer? It is difficult to find the person who did not try to make this operation.
However at one nail it is driven in easily, and at others it bends. It is straightened, and it again, after the first or several blows of the hammer, is bent. That to it is itching to, it is impossible to understand in any way. We pull out bent, we take new, but after several blows it went to dance the " again; twist “.
You will tell, matter in solid wood? There can be also such reason. But happens that it does not climb, and bends at its introduction and in coniferous breeds of a tree, or even in wood of an alder white. Let`s consider at the same time that we do not drive a nail into the condensed parts of wood, such as knot cut.
Perhaps insufficient elasticity nailing? Most likely - no!
Ignorance of technology of work as the hammer happens the reason of similar problems most often.
B than a problem and how it can be avoided?
A problem of a bend nailing at its driving in in wood comes from application of force to a hat nailing at an angle. That is at the time of blow the surface quickly of the hammer is not strictly perpendicularly to a body nailing. From here at blow the big bending moment equal to work of the module of force on height arises the hammer nailing to a surface into which it is driven in. This bending moment also leads to a curvature nailing.
If to follow the rule of perpendicularity of a body nailing to a surface quickly of the hammer which strikes blow to a hat, then the nail will take root into wood without bend. Such blows are reached by trainings. At the correct performance of this operation the hammer has to describe an arch in ninety degrees, and at the time of contact with a hat nailing a surface quickly has to be perpendicular to a body nailing. It is reached not only long trainings and the gained experience, but also the correct nozzle of the hammer on the handle. The hammer has to be densely got, not dangle and have a good rasklinka of the handle.
What to do if experience does not suffice, but at the same time very much it is necessary to hammer a nail? In this case I recommend to hold a body nailing. However it is not necessary to carry out this support fingers of a free hand. As the lack of experience can lead to striking a blow brisk the hammer on fingers that, in turn, will lead to a trauma. In that case for support nailing it is possible to recommend several ways.
The first of them is to use flat-nose pliers.
Sponges of flat-nose pliers quite strongly will not only hold a body nailing, but also to interfere with its curvature, and handles of flat-nose pliers and your brush holding them will be rather removed from a striking a blow zone. Moreover, this way does not demand additional preparation.
The second way is to use the directing tube, as shown in drawing.
It is convenient to apply the second way if the nail is required to be driven into deepening, a deep opening or a groove. Here the intermediate extension will be required. If slightly to fill a tube cavity with plasticine, then nailing a body will have fixing and the probability of a bend will even more decrease.
The third way - to use support, as shown in drawing.
The third way needs to be applied if the nail is hammered into a surface with insufficient rigidity. This support will help to exclude a deflection of material and will create more rigid blow.
If you have no experience, then do not try to seize from the first blow with an opisyvaniye arch the hammer of ninety degrees. I think that nothing will come of it. For a start it is possible to be trained to strike small blows from small height. In process of acquisition of skills and confidence scope of the hammer can be increased to use its full inertial force of blow. Thus, gradually bringing blows to perfection with an arch opisyvaniye in ninety degrees, it is possible to learn the correct working methods the hammer.
On it we will sum up the result: that nails did not bend at their vkolachivaniye in wood, it is necessary to strike correctly blows with the hammer, and sometimes to use special devices or to hold nails with flat-nose pliers.]