Eccentrics are a key component of Danfoss hydraulic pumps, especially in axial piston pumps with a swashplate design. The following is an overview of the role of the eccentric in these pumps: 1. Conversion of rotary motion: The main function of the eccentric wheel is to convert the rotary motion input by the drive shaft into reciprocating linear motion. This conversion is critical to the operation of axial piston pumps. The eccentric is connected to the drive shaft and rotates with it, causing the swash plate to tilt. 2. Swash plate tilt: The eccentric is designed to move the swash plate, which is the key element in the pump. As the eccentric rotates, it applies a radial displacement to the swash plate, causing it to tilt. The inclination angle of the swash plate determines the displacement of the piston, which in turn regulates the flow and pressure of the hydraulic oil. 3. Piston stroke control: The interaction of the eccentric wheel and the swash plate controls the stroke length of the piston in the pump. When the swashplate tilts, it changes the effective length of the piston stroke. This adjustment allows the pump to vary piston displacement, thereby controlling the volume of fluid delivered per revolution. 90R130-HF-5-BC-80-R-3-F1-H-06-GBA-35-35-24 90R130HF5BC80R3F1H06GBA353524 90-R-130-HF-5-BC-80-R-3-F1-F-03-GBA-35-35-24 90R130HF5BC80R3F1F03GBA353524 90R130-HF-5-BC-80-R-3-F1-F-03-GBA-35-35-24 90R130HF5BC80R3F1F03GBA353524 90-R-130-HF-5-BC-80-P-4-C8-F-03-GBA-26-26-24 90R130HF5BC80P4C8F03GBA262624 90R130-HF-5-BC-80-P-4-C8-F-03-GBA-26-26-24 90R130HF5BC80P4C8F03GBA262624 90-R-130-HF-5-BC-80-L-4-C8-H-03-GBA-35-35-24 90R130HF5BC80L4C8H03GBA353524 90R130-HF-5-BC-80-L-4-C8-H-03-GBA-35-35-24 90R130HF5BC80L4C8H03GBA353524 90-R-130-HF-5-BC-80-L-4-C8-H-00-GBA-32-32-24 90R130HF5BC80L4C8H00GBA323224 90R130-HF-5-BC-80-L-4-C8-H-00-GBA-32-32-24 90R130HF5BC80L4C8H00GBA323224 90-R-130-HF-5-BC-80-L-3-C8-H-03-GBA-23-23-24 90R130HF5BC80L3C8H03GBA232324 4. Flow and pressure adjustment: The eccentric wheel indirectly adjusts the flow and pressure of hydraulic oil by controlling the stroke length of the piston. When the swashplate is tilted to a greater angle, the piston stroke increases, resulting in higher fluid displacement and thus higher flow. Conversely, a smaller angle of inclination reduces the piston stroke, resulting in lower flow rates and pressures. 5. Output Control: Eccentric provides a means to adjust the hydraulic pump output according to system requirements. By varying the angle of inclination of the swash plate, the operator can adjust the output of the pump to meet the desired flow and pressure demands. This control feature allows the flexibility to adjust the performance of the pump to suit different applications. 6. Synchronization and compensation: In a multi-pump system or when there are multiple pistons in the pump, the eccentric wheel plays the role of synchronous movement. Eccentrics ensure even tilting of the swashplate, maintaining balanced piston strokes and minimizing uneven wear. Additionally, the eccentric compensates for wear over time, maintaining consistent pump performance throughout its service life. 7. Compensation for wear and tolerance variations: The eccentric mechanism in Danfoss hydraulic pumps helps to compensate for wear and manufacturing tolerances. Over time, the pump components may experience slight wear, which affects the precise movement of the swash plate and pistons. Eccentricity allows adjustments to compensate for these variations, ensuring consistent pump performance and maintaining precise flow and pressure control. 8. Versatility in pump design: Eccentric components provide flexibility in pump design. It can be designed in various shapes and sizes to suit different pump configurations and performance requirements. The design parameters of the eccentric, such as its shape and displacement characteristics, can be tailored to specific application needs, enabling customization and optimization of pump performance. 90R130-HF-5-BC-80-L-3-C8-H-03-GBA-23-23-24 90R130HF5BC80L3C8H03GBA232324 90-R-130-HF-5-BB-80-S-3-C8-H-03-GBA-26-26-24 90R130HF5BB80S3C8H03GBA262624 90R130-HF-5-BB-80-S-3-C8-H-03-GBA-26-26-24 90R130HF5BB80S3C8H03GBA262624 90-R-130-HF-5-BB-80-R-3-C8-H-03-GBA-35-35-24 90R130HF5BB80R3C8H03GBA353524 90R130-HF-5-BB-80-R-3-C8-H-03-GBA-35-35-24 90R130HF5BB80R3C8H03GBA353524 90-R-130-HF-5-BB-80-L-4-F1-H-04-GBA-30-30-26 90R130HF5BB80L4F1H04GBA303026 90R130-HF-5-BB-80-L-4-F1-H-04-GBA-30-30-26 90R130HF5BB80L4F1H04GBA303026 90-R-130-HF-5-BB-80-L-4-F1-H-00-GBA-38-38-20 90R130HF5BB80L4F1H00GBA383820 90R130-HF-5-BB-80-L-4-F1-H-00-GBA-38-38-20 90R130HF5BB80L4F1H00GBA383820 90-R-130-HF-5-BB-80-L-3-F1-H-04-GBA-32-32-28 90R130HF5BB80L3F1H04GBA323228 9. Smooth and efficient operation: The design and precision manufacturing of the eccentric wheel contribute to the smooth and efficient operation of the hydraulic pump. The eccentric and its interaction with the swash plate are designed to minimize friction and wear, ensuring smooth motion and reducing energy loss. This increases the overall efficiency of the pump and enhances the reliability and life of the hydraulic system. 10. Integration with control system: The eccentric wheel in the Danfoss hydraulic pump can be integrated with the control system to enhance the function. It can be combined with electronic control modules, sensors and feedback mechanisms for advanced control functions such as load sensing, pressure compensation and flow regulation. This integration improves pump performance and responsiveness to changing system demands. 11. System stability and response: The normal operation of the eccentric contributes to system stability and response. Precise control over piston stroke length and flow regulation allows the hydraulic system to maintain consistent pressure levels and respond quickly to load changes. The precise control provided by the eccentric helps to improve system stability, efficiency and overall performance. To sum up, the eccentric wheel in the Danfoss hydraulic pump plays an important role in converting rotary motion into reciprocating motion, controlling the tilt of the swash plate, adjusting the stroke length of the piston, and finally controlling the hydraulic oil flow and pressure. It provides versatility in pump design, compensates for wear and tolerances, ensures smooth and efficient operation, integrates with control systems, and contributes to system stability and response.