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Friction Materials

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Cat® Friction Materials Designed for Cat Drive Train Components

Friction material is vital to drive train system success. A friction disc made with Cat friction material allows proper fluid flow and heat dissipation. This results in greater reliability, longer life and lower maintenance costs compared to brake discs from other brands. Demand genuine Caterpillar friction discs for your Cat equipment.
1. Separator Plate: Separator plates are used in brakes and transmissions. They separate the multiple layers of friction material in drive train applications. Separator Plates used in Cat equipment are designed to be reused rather than replaced. Dimensional attributes of the teeth are designed to ensure proper engagement with mating parts. Heat treatment process is applied to meet Caterpillar specifications for hardness and material microstructure. Improper heat treatment can cause premature spline wear and damage to the mating part. Caterpillar uses a variety of processes to ensure maximum performance and long life.
2. Optimized groove patterns:Caterpillar works hard to design and develop the optimum friction disc groove pattern to balance engagement, cooling and durability. This provides customers with excellent braking system performance and a long operating life.
3. Extended life brake discs: Caterpillar offers extended life brakes to allow customers to increase life in high brake wear applications to match other components in order to minimize downtime and maintenance costs. These are mainly offered on large off-highway trucks and large wheel loaders. The carbon fiber friction material provides 2 to 4 times the life and up to double the heat resistance of standard materials.
4. Elastomeric material: Caterpillar uses this material in transmission clutch groups to provide extended transmission life by absorbing the high energy experienced during clutch engagement.
5. Paper:Cat brake discs are built to last. The porous fiber face on each side of the friction disc helps ensure that a thin film of oil separates discs and plates to prevent direct contact. The constant flow of cooling oil that passes through the discs and plates allows continuous heat dissipation. As a result, brake surfaces do not get hot enough to cause wear or damage. Additionally, cooler-running friction materials last thousands of hours with minimal maintenance.
6. Bronze material: Caterpillar uses this material in track-type tractor brakes due to its high heat and wear resistance. As a result, customers realize improved braking reliability and achieve longer brake life.
Don’t use unapproved adhesives that can result in poor bond strength or premature bond failure. Improper density, weight, hardness, thickness, or composition can affect braking and shifting and cause premature wear, noise, drag, creep, and damage to the mating part in the system.