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    Industrial Disc Brake System Calipers / GMR

    The Twiflex GMR and GMR40 series of calipers for an industrial disc brake system are suitable for use with discs of 25.4 mm, and 40 mm thick, respectively. Minimum disc diameter is 610 mm.

     

    Normally one or two calipers are used per disc, but the number may be increased depending on disc size. In an industrial disc brake system, the brakes may be positioned at any angle around the periphery of the disc, but should ideally be mounted horizontally (i.e. at the 3 o’clock or 9 o’clock position). If the caliper mounting angle is greater than 10° from the horizontal, or on vertical shaft applications, it should be fitted with an inclined mounting kit. A range of brake discs is available from Twiflex (see Disc and Hub Assemblies).

     

    For pneumatic operation use dry, filtered and non-lubricated compressed air. Pneumatic brakes require a control valve, operated either manually or by pneumatic or electrical signal.

     

    The ratings shown on the graphs are based on fully bedded-in and conditioned brake pads with a nominal friction coefficient μ = 0.4. Any Twiflex industrial disc brake system must be used with Twiflex asbestos free brake pads.

     

    Effective disc radius = actual radius (m) – 0.06m.

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