TEC TOR INDUSTRIAL BRAKES
To help you choose a brake, you should first pay attention to this brief explanation of the concepts of application and operation of existing braking systems, which we explain below:
– Static Safety Brakes or parking lots
Intended for operations where it is sought to park or guarantee the stoppage of machinery and equipment in an unaltered position. In most static applications, the torque must be calculated and a safety factor added, normally between 1.5 to 2.0, to compensate for the possibility of interference from external aspects such as: contamination of the braking surface and loss of friction conditions. pads, in addition to providing a braking safety margin.
– Dynamic Brakes (Service and Emergency)
In these applications, the brake has to stop all moving components of the machine or equipment, therefore, it must be dimensioned to meet the requirements of static and dynamic braking. The calculations must guarantee: a factor of safety between 2.0 and 2.5 over the motor's rated torque, minimum operating temperature conditions and thermal dissipation capacity, so that the ideal friction characteristics between the pads and braking surface are always maintained.
– Tension Brakes
These applications require the brakes to provide continuous torque to tension the material passing through the machines and, as a result, high
thermal dissipation, example: winders, unwinders and rewinders. In most cases, they operate with proportional control of the braking force, and must be dimensioned considering special (critical) operating considerations, in order to guarantee a long service life of their components. The calculations must always take into account the total inertia of the system and the maximum operating speed of the machines, plus a service factor to be defined according to the application.
Based on the application conditions, the operating condition of the braking system must be verified, that is, we need to define whether the application requires the use of a Normally Open or Normally Closed braking system.
Normally Open brakes are characterized by the need to apply mechanical, hydraulic or pneumatic energy to close the brake, while Normally Closed brakes require the application of energy to open the brake, remaining in a closed state (Braked) until a contrary be imposed on the chosen brake system.
It should be noted that the choice of operating characteristic is closely linked to the needs of the application, considering the conditions of operation dynamics, response speed and mainly safety.
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