Finger Conservation Instruments on Book Presses

Book presses impose a pressing power of several tonnes throughout working. Hence, if the operator's hand reaches inside the machine, it will most genuinely bring

About extreme harm to his/her hands or fingers. The machine opening consequently desires to be monitored, ideally without mechanically blocking access.

Finger protection devices are suitable for this application. A pair of light curtains will be installed to monitor the machine opening and save operators against damages due to reaching in throughout operation or starting the machine earlier than hands are at a secure distance from the press. A basic safety relay is utilized in handy restart mode as the system switching instrument. The reliability of this safety system is assured via a fail-safe electronic layout with everlasting autocontrol.

An amazing point is that the machine opening is a few centimeters higher than the protecting height of the installed safety light curtain. So to inhibit reaching over the protective field and into the book press without figuring out, extra mechanical fencing (through a simple piece of Plexiglas) became installed in the sensitive space.