Sauter presents pneumatic drilling and feed unit for robots

Drilling and feed unit

Andrea Gillhuber, 24.01.2020, 06:23

Pneumatic tool holder for robots

Sauter Feinmechanik has developed a drilling and feed unit that is fully powered by compressed air. The permanently driven tool holder is primarily used in automated production, usually together with robots.

Sauter has a pneumatic tool holder for robots in its range. © Sauter precision mechanics

The degree of automation in production is growing steadily. Companies in the automotive sector in particular are increasingly relying on robotics applications, for example to drill holes in sheet metal parts. Sauter Feinmechanik has developed the purely pneumatic drilling and feed unit for these fully automated robot and handling systems. Apart from compressed air, which is always present in industrial robots, no additional media are used.

Feed and speed controlled separately

According to the company, the speed and stroke were previously activated approximately simultaneously in conventional systems. In the pneumatic drilling and feed unit presented here, the feed and speed are controlled separately so that the drill can be brought up to speed before the feed. As soon as a hole needs to be drilled, the drill is guided to the corresponding position by means of a centring bush and penetrates the material at an optimized speed.

Sensory end position monitoring

Other features include a sensor-based end position query. This ensures that the unit is in the optimum position before each process step and sends a corresponding signal to the control system. This helps users to prevent damage to the drill and therefore downtime.

Integrated security

Sauter has also incorporated safety measures: A possible loss of compressed air during machining would result in a short-term loss of control over the drill. The driven tool holder is able to recognize this situation and automatically returns to the starting position in such a case.

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