Schlagbohrung

Schlagbohrung is a drilling method that combines rotational movement with percussive blows. This technique is employed when drilling into hard or brittle materials such as concrete, masonry, stone, or brick. The primary tool used for Schlagbohrung is a hammer drill, which incorporates an impact mechanism.

The impact mechanism in a hammer drill consists of a cam and pawl system or a similar design. As the drill bit rotates, the mechanism repeatedly strikes the material in the direction of the hole being drilled. These rapid, short hammer blows help to break up the material, making it easier for the rotating drill bit to remove it. This process significantly increases the drilling speed and efficiency compared to conventional drilling in such hard materials.

Schlagbohrung requires a drill with a specific hammer function, often selectable between standard drilling and hammer drilling modes. The choice of drill bit is also crucial, with specialized masonry or concrete drill bits designed to withstand the impact and abrasion. Safety precautions, including eye protection and dust masks, are important due to the nature of the material being drilled. While effective, continuous Schlagbohrung can generate heat and vibration, necessitating occasional breaks for both the operator and the tool. This method is distinct from rotary hammering, which uses a much more powerful pneumatic or electro-pneumatic hammer action for heavy-duty demolition and drilling in concrete.