Twiflex MR disc brake calipers are suitable for use with 12.7 mm or 25.4 mm thick discs. Minimum diameter of the disk: 250 mm. Minimum disc diameter for MR2: 460 mm.
Normally one or two pliers are used for each disk, but the number may be greater, depending on the size of the disk. The brakes can be positioned at any angle on the circumference of the disc, but the ideal solution would be to mount them horizontally (ie at 3 o'clock and at 9 o'clock). If the mounting angle of the clamp is greater than 10 ° with respect to the horizontal line, or in applications on a vertical axis, an equalizer arm can be mounted. A wide range of brake discs is available from Twiflex (see discs and hubs).
For the operation of the pneumatic units it is necessary to use filtered, dry and non-lubricated compressed air. Pneumatic brakes require a manually operated control valve or an electric or pneumatic signal.
The performances of the graphs referred to the various configurations are intended to be obtained, with well-run shoes and with a friction coefficient equal to µ = 0.4. Twiflex disc brakes must be used with asbestos-free Twiflex brake pads.
Effective radius of the disk = Radius of the disk (m) - 0.03 m.
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