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Tension Control Continued

Pneumatically actuated, dry-runnig tension brakes with internally air cooled brake disc

2 Series 0-454 These brakes are particularly well suited for regulated process control in which braking has to be carried out continuously, for example, in unwinding processes. This is achieved due to the following characteristics:

• Low actuation friction and low hysteresis leading to sensitive torque control
• Modular design with up to six brake calipers; this enables the torque range to be selected and individual calipers to be switched in or out
• High thermal capability due to the excellent heat disipation from the internally air cooled brake disc
• Actuation on both sides of brake disc balancing the load on the centre hub
• Increased thermal load with the aid of additional air cooling.

Area of application: 5 kW thermal output at nominal braking torques of 9 to 1,800 Nm.

Pneumatically actuated, wet-running high performance brakes (patent applied for)

A fully enclosed multiplate brake with a two piston system in which the plates are immersed in circulating cooling oil; the brake contains components which have been in use for many years; these include for example the friction combination steel/high performance lining.

Together with an effective cooling oil system, these brakes offer the user the following advantages: - Compact design - High thermal capacity, - Almost unlimited service life of the friction linings, - No contamination from lining dust, - No lining noise. Thanks to the two piston system, three torque ranges are available on each brake. The following versions can be supplied: Brakes in housings, push on brakes, internal hubs with keys or locking assemblies.

4 Accessories

Pressure regulating valves for jockey roller systems, - Control circuit for "flying" roller changes, - Fans for additional air cooling of dry running brakes, - Cooling oil system for wet-running tension brakes Many different factors and variations must be taken into account when designing a line tension control system. For this reason we suggest that you make use of our many years of experience in this field and consult our engineers.