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Help CenterHagglunds SP500-SR-V-EP2554831-33 Continuous High Power Operationfor Rubber Internal MixerMining
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Hagglunds SP500-SR-V-EP2554831-33
The Hagglunds SP500-SR-V-EP2554831-33 is a high-performance hydraulic motor from the renowned SP500 series, manufactured by Hägglunds Drives (a Bosch Rexroth brand). As a radial piston motor, it is designed to deliver low-speed, high-torque output with exceptional power density and operational reliability in heavy-duty industrial environments.
Technical Features
Radial Piston Design — The motor features a fixed housing with a rotating hollow shaft. Multiple pistons are radially arranged within the cylinder block, converting hydraulic pressure into rotational motion with high efficiency.
Hollow Output Shaft — The hollow shaft design allows the motor to be mounted directly onto the equipment's drive shaft, simplifying installation and eliminating the need for separate couplings.
Direct Drive Capability — As a direct drive hydraulic motor, it transmits torque directly to the load without requiring a gearbox, reducing complexity and improving mechanical efficiency.
Flexible Mounting Options — The motor can be installed using either a flange mount or a torque arm mount, providing adaptability to various machinery configurations.
High Power Density — The motor is compact and lightweight yet delivers substantial power output, offering an outstanding power-to-weight ratio.
High Efficiency & Low Noise — Engineered for energy-saving operation, the motor maintains high efficiency while generating minimal acoustic noise.
Shock Load Resistant — The radial piston construction provides inherent resistance to impact and shock loads, ensuring durability under harsh operating conditions.
Wide Operating Range — Capable of operating within a temperature range of -20°C to 80°C and working pressures up to 350 bar.
Spline and Through-Shaft Options — All motors in the series are available with splined or through-shaft configurations to suit different drive arrangements.
Key Functionalities
Torque Output — The motor converts hydraulic power into rotational mechanical energy, delivering high starting torque and maintaining full torque across the entire speed range — from zero to full speed.
Stepless Speed Regulation — The motor supports infinite speed variations, enabling smooth acceleration, deceleration, and frequent start-stop cycles without overheating.
Continuous High-Power Operation — As part of the Gemini drive system concept, this motor is capable of sustained high-power operation without performance degradation.
Integrated Control Compatibility — The motor integrates with Hägglunds Spider control and monitoring systems, allowing for real-time diagnostics, condition monitoring, and predictive maintenance.
Overload Protection — The hydraulic drive system provides built-in protection against torque stresses and shock loads via an adjustable pressure-limiting function.
Low Maintenance — With a robust design and fewer mechanical interfaces compared to traditional electromechanical drives, the motor requires minimal maintenance and offers a long service life.
Application Sectors
The Hagglunds SP500 series is widely deployed across more than 20 heavy industries worldwide, including:
| Industry Sector | Typical Applications |
|---|---|
| Marine & Offshore | Ship propulsion, crane vessels, pipe-laying ships, oil exploration vessels, jack-up rigs, subsea robotics |
| Mining | Conveyor drives, crushers, mills, excavators, material handling systems |
| Steel & Metallurgy | Rolling mills, continuous casting lines, slab handling equipment |
| Power Generation | Coal handling, boiler feed systems, turbine auxiliary drives |
| Chemical Processing | Chemical mixers, agitators, process pumps, explosion-proof environments |
| Pulp & Paper | Pulp digesters, winders, calenders, pulp grinders |
| Rubber & Plastics | Rubber internal mixers (Banbury mixers), extruders, calenders |
| Sugar Processing | Cane crushing mills, shredders, centrifugal drives |
| Recycling & Waste | Shredders, balers, material separators, crushers |
| Cement & Construction | Rotary kilns, crushers, apron feeders, concrete mixers |
| Material Handling | Heavy-duty conveyors, stackers, reclaimers, winches |
Performance Specifications (Model-Specific)
Power Rating: 1.5 HP
Speed: 3000 RPM (nominal) / 4000 RPM (maximum)
Voltage: 220V / 120V (single phase)
Shaft Type: Keyed, 1 inch diameter
Mounting Type: Flange
Material: Steel
Weight: 150 kg
Operating Temperature: -20°C to 80°C
Conclusion
The Hagglunds SP500-SR-V-EP2554831-33 is a compact yet powerful radial piston hydraulic motor that exemplifies Hägglunds' four-decade legacy in low-speed, high-torque drive technology. With its high power density, shock load resistance, stepless speed control, and low maintenance requirements, it offers a reliable and energy-efficient alternative to traditional gearbox-based mechanical drives across a wide spectrum of demanding industrial applications — from deep-sea marine operations to heavy mining and chemical processing.
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