Caliper Disc Brake replaces 10 in. drum brakes.

Press Release Summary:




Providing direct replacement for existing 10 in. drum brakes in crane applications, 14 in. Model CDB1014A conforms to AIST's dimensional standard. Spring applied and electrically released, it operates in series with DC motors. Upgrading crane with Model CDB1014A will facilitate wear adjustment, eliminate drag and slip problems due to drum thermal expansion, and provide resistance to heat checking.



Original Press Release:



PT Tech's New CDB1014A Replaces Existing 10" Drum Brakes and Conforms to the New AIST Brake Standard



o Spring applied

o Electrically released

o Operates in series with DC motors

o Installation requires no modification

If the installation conforms to AIST's dimensional standard for DC mill motors, then when ordering all that is required is the DC mill motor number and existing electrical coil specifications. In all other installations, please provide a drawing of the existing brake drum.

o 14" inch disc replaces a 10" drum

The CDB1014A caliper disc brake provides higher performance and easier maintenance than the drum brakes it replaces. Upgrading your crane with PT Tech's CDB1014A will result in the following advantages.

1) Wear adjustment is far easier.

2) Less frequent need for wear adjustments.

3) Improved wear life.

4) Replacing friction pucks is substantially quicker.

5) A set of friction pucks weighs only 4½ pounds.

6) Eliminates drag and slip problems due to drum thermal expansion.

7) Significantly better resistance to heat checking

PT Tech supports its commitment to excellent field service with a large inventory of parts and a 24-hour emergency service.

When Converting

The CDB1014A directly replaces an 10" drum brake. It has the same mounting footprint and torque capacity as an 10" drum brake. When converting, it is critical that the disc's centerline is in the same position as the drum's centerline.

Single-acting caliper disc brakes impose a bending moment. Shafting should be reviewed prior to installation. Consult PT Tech.

In most cases, PT Tech can suggest mounting adaptations for non-standard drum brakes. Consult PT Tech.

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