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Better Protection via Reliable Brakes
More safety for installation and handling systems
More and more safety specifications have been added over the past years due to standards, directives and certifications, in particular for installation and handling systems. Today, risk assessments of dangers to people and machines play an increasingly important role. Spring applied safety brakes which have been specially developed for application in inclined and vertical axes contribute to ensuring safest possible operation of production line, installation and handling systems.
Gravity-loaded axes have a high risk potential. A directive is currently being developed for these axes which recommends measures for better protection against injuries to operating personnel. A closer look at these axes reveals that the permanent magnet brakes often used today, which are integrated into the servomotors, are subject to several risks. Low permitted friction work or permanent magnet heat sensitivity inherent in the system may lead to a loss of braking torque and therefore cause the axis to fall. According to modern considerations, this brake construction is no longer compatible with a realistic risk assessment. Spring applied safety brakes are the more reliable alternative here. Tried and tested for decades, they were used very early on in machine tools and production line systems.
- Due to their specially adapted flange dimensions, ROBA-topstop safety brakes are easy to integrate between the servomotor and the gearbox or spindle housing.
Gravity-loaded axes have a high risk potential. A directive is currently being developed for these axes which recommends measures for better protection against injuries to operating personnel. A closer look at these axes reveals that the permanent magnet brakes often used today, which are integrated into the servomotors, are subject to several risks. Low permitted friction work or permanent magnet heat sensitivity inherent in the system may lead to a loss of braking torque and therefore cause the axis to fall. According to modern considerations, this brake construction is no longer compatible with a realistic risk assessment. Spring applied safety brakes are the more reliable alternative here. Tried and tested for decades, they were used very early on in machine tools and production line systems.
Due to severe financial pressure and the increased use of direct drives, however, these brakes have been thrust aside and supplanted. An immense risk potential was thereby simply overlooked which must now be eliminated as quickly as possible. For this reason, interest in the well-tested spring applied brakes is now reviving. They have proved their reliability in countless systems and in the most varied of branch segments. They are now a basic requirement even in safetycritical systems such as passenger elevators.