In the hydraulic systems of various types of machinery and equipment, the actuators that produce output often determine the overall efficiency and reliability of the equipment. The motor orbital hidraulic, as one of the widely used components, has its performance directly affecting the quality and stability of the equipment's operation. HANJIU Technology has been focusing on fluid power technology for many years, committed to providing reliable products and supporting solutions for customers in different industries. This article will explain the core value of the motor orbital hidraulic sold by HANJIU from two aspects: performance parameters and practical applications.
In the field of modern hydraulic transmission, the orbital hydraulic motor has become an indispensable power core for many mechanical devices due to its unique structural design and outstanding performance. HANJIU Technology has been deeply engaged in fluid power technology for many years. Based on a profound understanding of the orbital motor principle and continuous innovation, it provides customers with reliable products that combine high performance with broad adaptability.
The core working principle of the orbital hydraulic motor is based on an internal meshing planetary gear mechanism. The rotor and stator form a sealed chamber that periodically changes under the action of high-pressure oil, converting hydraulic energy into continuous rotational motion. This principle gives it inherent advantages such as a compact structure, high torque at low speeds, and low starting pressure.
HANJIU Technology's technical optimization of its products is reflected in a series of performance parameters that stand up to verification. We use an advanced end-face flow distribution structure, combined with precision-manufactured pinned rotor-stator pairs, ensuring high volumetric efficiency under high-pressure conditions — achieving a volumetric efficiency of over 92% at a working pressure of 20MPa. This means less energy loss and more stable power output. In terms of torque performance, the HANJIU orbital motor delivers strong output, covering a wide range from 80 to 500cc per revolution depending on displacement, with a maximum torque exceeding 897 Nm. Its minimum stable speed can be controlled to under 5 revolutions per minute, meeting the stringent requirements for low-speed stability in precision operations. Regarding working pressure, the product can withstand a continuous pressure differential of up to 207 bar and an intermittent differential of up to 241 bar, sufficient to handle high-intensity work demands. Additionally, the optimized design offers excellent starting characteristics, with starting torque reaching 85% to 90% of the theoretical value and no-load starting pressure as low as 7 to 8 bar, ensuring smooth startup even under heavy load.
Outstanding performance parameters lay a solid foundation for a wide range of applications. In the field of construction machinery, HANJIU's orbital motors perform particularly well. Take the grapple as an example: with strong and precise driving force, the motor can easily handle the gripping of irregular heavy materials, demonstrating excellent load adaptability in scenarios such as construction waste sorting and scrap metal processing. In log grappler applications, the motor's precise control over gripping tightness enables efficient handling of timber and sugarcane. In screw drilling applications, the low-speed, high-torque characteristics provide sufficient power for drill rigs, ensuring stable operation under complex geological conditions. Agricultural and forestry machinery is also an area where orbital motors have an advantage; in equipment such as combine harvesters and seeders, the motors ensure operational quality and efficiency with their low-speed stability and high performance. Urban sanitation equipment, such as sweepers and mixers, also widely employ orbital motors for reliable drive. In the marine and special equipment sectors, orbital motors play a significant role in deck machinery like anchor winches and capstans, thanks to their robust structure and excellent sealing performance. For underground mining equipment, HANJIU can provide explosion-proof designs that meet IP67 protection standards to satisfy safety requirements in specific working environments. In material handling and industrial automation, orbital motors are widely used in feeders, conveyors, and pumping devices, and their compact design allows them to perform exceptionally even in installations with limited space.
HANJIU Technology not only provides standard products but can also design products based on user requirements. Whether it's displacement adjustment, customized shaft extensions, or integrating brakes or flushing valves, we can provide precisely matched solutions. Performance is the cornerstone of our products, and application reflects their value. With continuous research and innovation in orbital motor technology, HANJIU Technology is dedicated to providing high-performance, high-reliability power products to customers worldwide. Whether you are in construction machinery, agricultural production, or specialized equipment, the orbital hydraulic motors sold by HANJIU will be a power partner you can trust.
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