As industrial equipment evolves toward high-load, extreme-environment, and low-cost operation and maintenance, traditional hydraulic motors often face challenges such as insufficient efficiency, weak shock resistance, and frequent maintenance. Whether in the intense vibration of mining operations, the salt spray corrosion of marine equipment, or the confined installation spaces of construction machinery, there is a need for a hydraulic actuator that combines robust power, stable performance, and cost-effective adaptability. Leveraging its technical expertise in fluid power, Hanjiu Technology introduces the motor orbital BMR. Through structural innovation and precise parameter design, it emerges as the preferred power core for demanding applications across multiple industries.
The core advantage of the motor orbital BMR stems from its innovative splined rotor-stator pair design. Featuring a 6/7-tooth configuration, this design delivers a large working volume and high meshing efficiency while enabling automatic backlash compensation under high pressure. This allows the motor orbital BMR to generate robust torque at low speeds—for instance, the BMR-315 model outputs 2700 Nm of torque at 25 MPa pressure. Simultaneously, optimized rotor-stator parameters achieve mechanical efficiency exceeding 91%, maintaining 89% efficiency even at 50 rpm—significantly outperforming conventional products. Its wide stepless speed range of 15-2500 rpm specifically addresses the stringent low-speed stability demands of engineering and drilling equipment.
In terms of reliability, the Motor Orbital BMR has undergone comprehensive reinforcement. Its internal design incorporates dual angular contact ball bearings capable of withstanding radial impact loads up to 120 kN, ensuring stable operation in extreme environments such as mining and marine applications. The high-pressure shaft seal design enables a pressure rating of 17.5 MPa while enhancing back-pressure tolerance, effectively minimizing leakage risks. Stator and rotor components are crafted from high-carbon chromium bearing steel and undergo advanced surface treatment processes, significantly reducing wear. This extends overhaul intervals to 18,000 hours, substantially lowering total lifecycle operating costs.
The design of the motor orbital BMR prioritizes practical application convenience and cost-effectiveness. Its compact structure reduces volume by approximately 40% compared to traditional motors, saving equipment installation space while simplifying and lowering the cost of supporting hydraulic systems. The product enables direct forward/reverse switching via oil circuits without shutdown, significantly boosting efficiency and reducing energy consumption in applications like agricultural harvesting that require frequent direction changes. These features collectively deliver lower overall operating costs for users.
Based on these technical features, the motor orbital BMR has become the ideal drive core for heavy equipment across multiple industries. In construction machinery, it provides a powerful yet compact power source for trenchless drilling rigs and road rollers. In agricultural machinery, its outstanding low-speed stability ensures the quality and efficiency of harvesting and seeding operations. In fisheries and specialized industrial applications, its corrosion-resistant and impact-resistant design delivers enduring reliability under harsh operating conditions. This product series offers displacement ranges from 36 to 381.4 cm³/rev and a broad torque spectrum, enabling flexible adaptation to diverse equipment requirements from light-duty to heavy-duty applications.
The outstanding performance of the motor orbital BMR embodies Hanjiu Technology's R&D philosophy of solving engineering challenges through technological innovation. Hanjiu Technology consistently prioritizes technological R&D and product quality, maintaining relentless focus on breakthroughs in hydraulic transmission technology. The company has established a comprehensive quality control system spanning materials science, precision machining, and thorough testing to ensure every product meets stringent reliability standards. Beyond standardized offerings, we deliver customized solutions tailored to client requirements, providing end-to-end support from installation guidance to operational maintenance. Hanjiu Technology is committed to solving real-world challenges for global customers through high-performance products like the BMR series.
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