Electric Hydraulic Arm Disc Brakes

Electric Hydraulic Arm Disc Brakes combine electro-hydraulic actuation with mechanical arm clamping to deliver controlled service braking and fail-safe stopping for conveyors, cranes, stacker reclaimers, port machinery, mine hoists, and high-inertia rotating equipment.

Stable Clamping Force Output
Brake opening and closing are driven by an electro-hydraulic thruster that converts electrical input into linear hydraulic motion. Compared with purely electromagnetic systems, hydraulic output remains more stable under long-duty cycles and heavy brake torque requirements.

Progressive Engagement Characteristics
The actuator stroke and arm transmission ratio are matched to produce smooth pad engagement instead of impact loading, reducing instantaneous thermal spikes and friction material cracking during frequent starts and stops.

Independent Fail-Safe Release
Power energizes brake release; loss of power automatically returns the brake to the applied state through spring force. This configuration supports emergency shutdown scenarios without relying on external hydraulic stations.

Controlled Release Timing
Integrated damping inside the thruster controls arm opening speed and minimizes sudden pad separation that may accelerate lining edge wear.

Uniform Heat Distribution
Ventilated pad geometry and controlled contact pressure reduce localized heat concentration during repeated deceleration cycles.

Reduced Thermal Fade
Brake lining materials are selected according to braking energy requirements and operating frequency to maintain stable friction behavior during temperature fluctuations.

Disc Protection Strategy
Floating pad carriers compensate for minor disc surface irregularities and reduce uneven contact patterns that can accelerate disc wear.

Every electric hydraulic arm disc brake assembly undergoes functional testing before shipment.

Actuator Stroke Verification
Each thruster is tested for full travel consistency and release response under rated voltage.

Brake Torque Validation
Brake output is checked against configured torque targets after final assembly.

Dynamic Open/Close Cycling
Repeated actuation cycles verify stable arm movement and consistent pad return.

Leakage & Seal Inspection
Hydraulic chambers undergo sealing verification before packing.

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