Boneng PK Planetary Gearmotor for Grate Cooler Roll Crusher

Boneng PK Planetary Gearmotor is a specialized transmission unit exclusively developed for grate cooler roll crusher devices, tailored to the harsh working conditions of cement production lines. Integrating a high-efficiency motor and precision planetary gearbox into one integrated structure, it effectively meets the core demands of grate cooler roll crushers, such as continuous heavy-load operation, impact resistance, and reliable sealing in high-temperature, dusty environments.

The gearmotor adopts a motor-gearbox direct connection design, which minimizes transmission loss and improves overall efficiency, with the integrated efficiency reaching over 96%. Key gear components are crafted from high-strength alloy steel, undergoing deep carburizing, quenching, and precision grinding processes to enhance tooth surface hardness, wear resistance, and fatigue strength—effectively withstanding the alternating impact loads generated during roll crushing operations.

Targeting the high-temperature, dusty characteristics of grate cooler working environments, the PK series is equipped with double fluororubber oil seals and a labyrinth sealing structure, achieving excellent dust and oil leakage prevention. The adopted IE2/IE3 high-efficiency motor not only ensures stable power output but also complies with energy-saving standards, reducing long-term operation costs for cement plants.

It is designed with a locknut hollow shaft structure, facilitating quick and precise installation with the roll crusher main shaft, while the modular design supports flexible configuration adjustments to match different grate cooler models and production capacities. The gearmotor also features overload protection and temperature monitoring functions, further improving operational safety and reducing maintenance workload.

As a core supporting component for cement production grate coolers, the Boneng PK Planetary Gearmotor is widely applied in large and medium-sized cement plants. Backed by Boneng’s professional technical customization capability and timely after-sales service, it provides stable and durable transmission solutions for the efficient operation of roll crusher devices, safeguarding the continuity of cement production lines.

Boneng PK‑Series Planetary Gearmotor Specifications

Note: Integrated planetary gearmotor (carburized & ground gears, nodular cast iron housing), 2/3‑stage, direct‑coupled motor design, locking‑disc hollow shaft output, dual fluororubber oil seals, IP65 protection. Weights are for complete gearmotor unit (gearbox + standard motor); compatible with IEC/NEMA/DIN frames, IE2/IE3 high‑efficiency, inverter‑duty, explosion‑proof, and crane‑duty motors.