Danfoss Omp 100 Hydraulic Motor

 

◎Axial Distribution structure and column stator and rotor design with high mechanical efficiency;

◎Special dynamic sealing ring design with high back pressure bearing capacity;

◎Multiple installation forms of Flanges, output shafts, ports, and etc.;

◎Small volume, compact structure and light mass;

◎Wide applications in the fields of plastic machines, machine tools, etc.

 

 

The OMPW series of orbital hydraulic motors has carved out a big room for itself, finding wide - spread applications in construction, agricultural, and industrial machinery.

1. In Construction Machinery

Wheel - type orbital hydraulic motors are a staple in the travel mechanisms of construction workhorses like excavators, loaders, rollers, and pavers. Consider an excavator working on a rugged construction site. The wheel - type orbital hydraulic motors adapt on - the - fly to the varying terrains. When hitting a patch of soft ground, they automatically ramp up the torque to stop the tracks from sinking. On flat stretches, they adjust to increase the travel speed. This adaptability stems from their intricate internal design. The hydraulic system inside is finely tuned, with sensors that detect changes in load and terrain. These sensors then signal the motor to make real - time adjustments, ensuring the excavator moves smoothly regardless of the ground conditions.

2. In Hydraulic Winches

This series of orbital hydraulic motors is a go - to for all sorts of hydraulic winches. Whether it's the dusty mines, bustling ports and docks, busy construction zones, high - risk petrochemical plants, remote forestry logging areas, or emergency road rescue scenarios, these motors deliver stable power. In a mining operation, where winches haul tons of ore, the OMPW motors are up to the task. Their housing is made of high - grade, wear - resistant materials that can endure the constant abrasion from the rough ore.

3. In Winches

Winches, which are all about pulling and lifting, rely on the OMPW orbital hydraulic motors for stable power. One of their most appealing features is their compact size. This makes installation a cinch. In a small construction project where space is tight, fitting the motor into the winch setup is easy. And when it comes to portability, these motors are a dream. In road rescue situations, rescuers can quickly grab the lightweight motor and attach it to the winch on their vehicle. Its small size means it doesn't take up much room in the already - crowded rescue vehicle, leaving space for other essential tools.

4. In Slewing Devices

Orbital hydraulic motors are commonly used in slewing devices across different operating environments, especially in construction and port machinery. Think about the cab of a construction machine that rotates a full 360 degrees. The OMPW orbital hydraulic motor powering this rotation offers pinpoint - accurate control. The motor's internal gears are machined to perfection, ensuring smooth and even rotation. In a port, container cranes need to move heavy containers precisely. The slewing devices with OMPW motors can handle the massive forces involved. Their sturdy build and advanced hydraulic control systems, which manage the flow of hydraulic fluid, allow for efficient and reliable operation, even when dealing with the heaviest of loads.

 

Main Specification
Displacement, cc/r		50	63	80	100	125	160	200	250	305	400
Flow, LPM	Cont.	38	45	57	57	57	57	57	57	57	57
	Int.	45	53	68	68	68	68	68	68	68	68
Speed, RPM	Cont.	698	663	670	558	452	354	284	235	178	145
	Int.	859	774	811	669	544	425	339	281	208	171
Pressure, MPa	Cont.	12.4	12.4	12.4	12.4	12.4	11.5	11	10	9	8.3
	Int.	13.8	13.8	13.8	13.8	13.8	12.4	12.4	12.4	12.4	11
Torque, Nm	Cont.	83	104	124	154	194	228	285	304	364	419
	Int.	93	116	139	173	216	261	319	378	508	522
Max. allowable back pressure	10MPa

 

 

 

 

An orbital hydraulic motor is truly remarkable. Its structure is compact, and it's small in size and light in weight. This makes it super flexible when it comes to installation. You can easily fit it into tight spaces, which is great for all sorts of complex equipment setups. Another big plus is its ability to generate large torque at low speeds. When running slowly, it can put out a really strong twisting force. This means it can directly and effectively drive the load, eliminating the need for extra reduction devices. As a result, the system becomes less complex, and costs go down.
When the motor starts working, pressure oil comes in through the oil inlet. Inside, the rotor and stator create these sealed cavities in a really clever way. The stator has a special, uniquely curved tooth shape. The rotor, which has a bit of an off - center position (eccentricity), is designed to match it. Once the pressure oil enters these cavities, because of its pressure, it gives the rotor a powerful shove. This force makes the rotor start moving in a very special way around the stator's tooth profile. As the rotor moves, it spins around its own axis while also making a circular motion around the center of the stator. This combined movement of the rotor gets transferred right to the output shaft connected to it. And that's how the motor manages to output torque and speed, providing the power needed for external mechanical devices.
There's also a distribution shaft that's closely connected to the rotor. When the rotor rotates, this distribution shaft spins at the same time. It's like a very precise traffic controller for the oil. It takes the pressure oil coming in from the inlet and sends it to different chambers. It makes sure each chamber gets pushed by the oil at just the right moment. Also, it connects the oil outlet to the chambers that have finished their job and need to release the used oil. This keeps the oil flowing smoothly, so the whole working process can keep going without any hitches. As the rotor keeps turning, the oil in the chamber gets pushed towards the oil outlet and is finally discharged from the motor. That's one full working cycle completed. Then, new pressure oil quickly flows in, and the whole process repeats over and over. This is what allows the orbital motor to keep running steadily and supply power continuously.

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