Impact electric wrench

A shock electric wrench is called a modern tool, which is used both for screwing in and for unscrewing threaded fasteners of various types. Even men who are not engaged in repair or construction professionally, but only doing small household chores, are interested in the latest innovations in the world of tools. On the features of the impact wrench and will be discussed.

Advantage of shock electric wrench

Unlike a conventional key, such a device not only allows fast and easy screwing of nuts and nuts, but also screws (that is, all kinds of fasteners with thread), and thus save energy and time. Externally, the screwdriver resembles a drill with a long nozzle. The principle of operation is based on rotational motion with impulse shocks, so that it is possible to control the torque when loosening or tightening the joints. The work is done as accurately as possible and without damage. This means that the device can easily handle where the spanner is not effective, especially with rusty nuts. By the way, there is also an unstressed electric nut driver based on the torque. These very powerful devices are used only in professional work with complex structures.

How to choose an electric nutrunner?

The choice of impact electric wrench depends on your needs and financial capabilities. For domestic use, there is no need for a professional device with a high speed of rotation. Suitable tool, performing 30-40 rpm. High-capacity models are powerful (1000-1500 W).

Note also the difference in the location of the spindle and motor rotation axes. In direct models, these axes are placed in parallel, so the tightening torque can reach up to 4,500 Nm. At the corner electric wrench, where the axis of the spindle to the axis of the housing is at right angles, the tightening torque is reduced to 200 Nm.

Many powerful products work from the network. But there is an electric battery wrench, which has greater mobility and autonomy. This device operates from rechargeable lithium-ion batteries. The power source can be and nickel-cadmium batteries are used. There is also a portable electric impact wrench, which can be carried in a car, as it works from a cigarette lighter.

In addition to the above criteria, when choosing a shock electric wrench, pay attention to the weight and ergonomics of the model, which affects the convenience of work, the quality of the body, the presence of additional attachments and functions (quick stop buttons, speed regulator, reverse function).

Leaders in the production of electric shock wrench are Bosch, DeWalt, Makita, Hitachi, Metabo, AEG.