Hydraulics

New Hydraulic System on Sugarcane Harvester Exceeds Performance Goals

New Hydraulic System on Sugarcane Harvester Exceeds Performance Goals Harvester Hydraulic Pump and Power SystemsOver the past few years, market demand has increased for mobile equipment that is powerful and more efficient. In response to this trend, an OEM of sugarcane harvesters began a redesign of their equipment. Previously, less efficient gear pumps were used in their hydraulic systems. This presented an opportunity to increase machine efficiency and productivity while reducing fuel consumption. The goal was at least 10% to make their product more attractive to end-users. The OEM consulted with Parker’s Global Mobile Systems (GMS) team to create a new hydraulic system that would meet their new performance goals. 

A redesign to improve efficiency and reduce system complexity

GMS completely restructured the hydraulic system by switching to a variable displacement open circuit solution, using P1 Series pumps with Electronic Displacement Control (EDC) and F12 Series bent-axis piston motors. This compact electronic solution reduced system complexity and increased efficiency; which reduces operational costs over the machine’s lifetime. Open circuit EDC was chosen due to charge pump losses in a closed circuit solution and extra components needed for a load sense system. The system design also reduced the number of potential leakage points while providing better pump response and on-board diagnostics. Multiple P1 Series pumps were incorporated into the hydraulic circuit for different functions including the primary extractor, base cutter and fan drive.

New Hydraulic System on Sugarcane Harvester Exceeds Performance Goals Pumps Hydraulic Pump and Power SystemsThe P1 Series was chosen because of its high efficiency and power density. This dynamic combination enables high-efficiency power management by limiting torque to the current load requirements. By optimizing flow output at different pressures and speeds, the engine uses less fuel and produces less heat. This P1 was also equipped with a displacement sensor that monitors in real-time the angle of the swashplate. This allowed the customer to achieve a more accurate flow output by closing the electronic loop via the sensor feedback giving them the ability to regulate overall vehicle power consumption more effectively. The P1-045 used for the cooling system also features ripple chamber technology, which reduces noise and pressure pulsations.

The lightweight, compact F12 Series bent-axis piston motor features a unique, lightweight spherical piston design, which provides high efficiency, speed, and acceleration capabilities. The result is unmatched power density with less heat generation. The F12 is utilized on the fan blower to convey leaves and stripped chaff out the rear of the machine.

 

New Hydraulic System on Sugarcane Harvester Exceeds Performance GoalsMeasuring equipment performance

The results of the system yielded lowered fuel consumption by more than 10 percent which exceeded the original goal. Additionally, the system saved costs by simplifying the hydraulic system and reducing the number of components. It also provided improved pump flow response and upgraded control versatility and stability that contributed to improved machine productivity. 

The GMS team works directly with their OEM customers as trusted partners in developing innovative solutions. By understanding customer goals, needs and expectations, Parker delivers value by improving the bottom-line and increasing machine performance. 

 

For more information on how to improve your hydraulic system, email us or visit us at www.parker.com/hps. Your pump will thank you.

New Hydraulic System on Sugarcane Harvester Exceeds Performance Goals Keith McDonald Hydraulic Pump and Power Systems DivisionThis article contributed by Keith McDonald, product manager, Parker Hannifin Corporation Hydraulic Pump and Power Systems Division.
 

 

 

 

 

Related articles:

Piston Pumps Deliver New Levels of Efficiency to Oil & Gas Market

Engine Power Management in Construction Equipment

Choosing an Efficient Electric Motor for a Hydraulic Pump: Part 1 of 2
 


 

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