The standard Twiflex T20 disc calipers for industrial caliper brakes are used with a minimum disc diameter of 300 mm. They have a split caliper design suitable for use with a minimum disc thickness of 12.7mm. Optionally, the caliper can be supplied in a modified form for use with a minimum disc thickness of 8mm.
Normally, industrial caliper brakes are side mounted. However, for use with a disc thickness greater than 20mm, the split design allows the modules to be mounted on each side of a central mounting plate of the same thickness as the brake disc.
One or two calipers are typically used per disc, but the number may be increased depending on disc size. The brakes may be positioned at any angle around the periphery of the disc. A range of brake discs is available from Twiflex (see Disc and Hub Assemblies).
The ratings shown on the graph are based on fully bedded in and conditioned brake pads with a nominal friction coefficient μ = 0.4. Twiflex industrial caliper brakes must be used with Twiflex asbestos free brake pads.
Effective disc radius = actual radius (m) – 0.032m.
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