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Axial piston motors with fixed displacement series 3K-10 are of swash plate design. They are designed for usage in mobile and industrial applications.
Output speed is in proportional relation with input flow and in reverse proportional relation with displacement. Torque increases with the pressure drop and with displacement of motor.
At the pictures No. 2, there is drawn cross sectional view of fixed motor with a shaft supported on two tapered roller bearing. Motor case is closed by rear and front cover. The rear cover also serves for connection of the high-pressure ports. Front cover has an internal side diagonal area with an angle of 18°. To the front cover is bolted a flange with centering diameter in accord with SAE standard. Tightness of the case around the exiting part of the shaft is protected by the shaft sealing for maximum pressure 0,25 MPa (Intermittent 0,5 MPa.)
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Axial piston fixed displacement motors, Series 20, are of swash plate design with a preset constant displacement, and they are intended for closed circuit operation.
The output speed is proportional to the flow rate of the supplied fluid.
The output torque is proportional to the difference between high and low-pressure sides of the fluid circuit.
The direction of motor shaft rotation depends on the fact; into which port is led the pressure fluid.
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Gerotor motors series TF/TG/TH/TK/TE/TJ
Our Gerotor Motors have a compact design, reliable holding capability and allows easy installation for the demanding agriculture and turf market. Other benefits are
High starting torque
Reduced space envelope describing the modular design in all series
High demanding low speed capability
No case drain line reduced installation cost in any application
High pressure shaft seals can withstand full system pressure
Cooling fluid flow across splines and seals mean long and trouble-free operation
Roller vanes and sealed commutation assure high volumetric efficiency and smooth low speed operation
Heavy duty bearings permit substantial external axial and radial shaft loads
Mechanical brakes , speeed sensors and integrated valves are further options
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The brake is supplied with cable (standard) for
emergency/parking brake and with cylinder for
dynamic brake.
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Crankshaft design radial piston
hydraulic motor.
Low output torque oscillation.
High specific power.
High speed.
Very high lifetime capability.
Extremely reduced overall dimensions.
SAE output flanges.
D40 1” BSP standard distributor.
1 1/4 14 th. spline standard output shaft.
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GM - Crankshaft design radial piston hydraulic motors
GM series motors are a result of the many years' of experience gained with the preceding M, L and P series motors, and incorporate a number of design variations with respect to these series intended to increase the strength of the motor casings and the load capacity of the internal dynamic components. The result is a series of motors with high continuous power ratings, both because of the reduced internal specific loads and because of the high mechanical and volumetric efficiency that contribute in reducing the amount of heat produced and therefore also the negative effects associated with it.
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The radial piston design ensures very high starting torque efficiencies, especially at high pressures where they are most required in mobile applications. Efficiency is typically > 94% at 400 bar.
The maximum torque requirement for wheel motor applications generally occurs with the vehicle al standstill or at low speeds, for example, during acceleration from stand-still or when overcoming an obstacle or slope.
High starting torque in the hydraulic motors therefore means better vehicle performance, less energy wastage and heat generation, especially with frequent stop-start work cycles.
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Features
Including positive drum brake: Max. service and parking braking torque 12000 Nm
Suitable for special distributor blocks designed to include valve cartridges
Overall dimensions and weight lower than direct drive units
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GM series motors are a result of the many years' of experience gained with the preceding M, L and P series motors, and incorporate a number of design variations with respect to these series intended to increase the strength of the motor casings and the load capacity of the internal dynamic components. The result is a series of motors with high continuous power ratings, both because of the reduced internal specific loads and because of the high mechanical and volumetric efficiency that contribute in reducing the amount of heat produced and therefore also the negative effects associated with it.
Radial injection cylinder feed (1) eliminates direct hydraulic axial loading of the motor casing.
Larger cylinder feed channels (1) for reduced power loss with high flows.
Stronger castings (2) and internal reinforcement ribbing: increased casing strength and stiffness for higher internal and external load capacity.
High load capacity bearings (3) for applications requiring high lifetime, high power/pressure, high external loads.
Larger cylinder trunnions (4) for increased strength and stiffness and reduced specific loads.
Cylinder trunnions with hydraulic balancing (5) to reduce friction, wearing and heat generation, enabling operation with higher powers and improved efficiency.
Compatibility with shafts (6), adaptors, distributors of the motors of other preceding series.
Standardisation of components for increased modularity and flexibility as regards interchangeability of displacements, spare parts and options.
Reduced number of components for a more simple and reliable design.
Compatibility with non-polluting oils.
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Dual displacement is achieved by a variation of theshaft eccentric cam. The displacement controlsystem is based on a hydraulic device, whichactuates a hydraulic control valve mechanism toselect minimum or maximum displacement. Thedual displacement mode allows the motor toreduce the displacement down to the 10% of themaximum, hence making the speed ten time higher
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Based on BD1 series motor uses standard
components of well-proven BD1 series for
greater reliability.
Displacement variation range:
-from 100% to 25% of max. displ.
-from 90% to 15% of max. Displ.
-from 75% to 0% of max. displ.
Variable shaft eccentricity: simple, electrohydraulic
system ensures displacement
stability and reliability.
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Gear pumps and motors built in three pieces with an extruded body in high resistance aluminium alloy.
The wide choice of shafts, flanges and ports, in compliance with all international standards (SAE, DIN and EUROPEAN) allow for their use in an infinite variety of applications.
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Piston motors
According to ISO standard
-Robust roller bearings
Interacting dual tapered roller bearings for high radial load tolerance and long life time.
-Optimized connection cover
Precision-worked connection cover for optimal performance and durability.
-Spherical pistons
Up to 7 pistons resulting in no pulsation, high starting torque, high pressure and high speeds.
-Bent-axis principle
Provides a compact design with few moving parts, low bearing loads, high operational reliability and high overall efficiency.
-ISO Standard
Flanges and shaft to meet ISO standard
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Gear motors made of cast iron in two pieces.
A rigid and compact structure that makes it possible to incorporate a number of functions in a limited space.
Wide range of displacements: from 0.30 in³/rev (4,95 cm³/rev) to 9.20 in³/rev (150,79 cm³/rev) available in groups 20, 30 and 40
Max. peak pressure up to 4785 psi (330 bar)
Max. speed up to 4000 min-1
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Brake principle
this is a multidisk brake wich is activatedby a lack of pressure. The spring exerts a force on the piston, which resses on the fixed and mobile discs, and immobilizes the shaft.
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Black Bruin motors are at their best in situations where high torque is required and use of other transmission is not reasonable. Hydraulic transmission does not contain axles allowing the frame structure to provide e.g. higher ground clearance and sharper wheel turn angle.
Starting is soft and motion is smooth even at low speed. On the other hand, vehicles equipped with multi speed Black Bruin motors are capable of reaching top speed exceeding 70 km/h.
The motors are used e.g. as wheel hub motors for agricultural, forestry, road building and mining machines.
Black Bruin BBC hydraulic motors
• excellent efficiency at high speeds - in both directions
• high pressure level (450bar)
• mechanical freewheeling
• broader speed range than conventional models
• higher load capacity in smaller size
• variety of mounting options for accessories
• multiple brake options
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Cartridge M2
Sunfab SCM M2 is a range of robust axial piston motors especially suitable for winch-, slewing-, wheel- and track drives
-Sunfab SCM M2 is of the bent-axis type with spherical pistons. The design results in a compact motor with few moving parts, high starting torque and high reliability
-The SCM M2 covers the entire displacement range 47-90 cm3/rev at a maximum working pressure of 40 MPa
-Sunfab SCM M2's well dimensioned, double tapered roller bearings permit high shaft loads and lead to excellent speed characteristics
-Sunfab SCM M2's high level of reliability is based on the choice of materials, hardening methods, surface structures and the quality assured manufacturing process
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New Corrosion Protection Option for Spool Valve Motors.
In response to many requests for HTLS motors suitable for use on food and beverage machinery, Eaton is now able to offer Char-Lynn H, S and T motors with the option of full Nickel plating to the motor housing.
This provides a high standard of corrosion protection and permits the motors to be used in applications where regular fresh water washing occurs and alternative protective paint finishes either cannot be used or are not suitable. Nickel plating is not recommended for marine applications or salt-water washing.
The entire body of the motors undergoes an electrolytic-plating process designed to meet food and beverage industry standards. All standard feature options remain available with the nickel plated motors.
The new option will be of particular benefit to customers who currently use third party sources to plate standard motors, since they will be ready to use and be covered by Eaton's standard warranty.
Additional benefits of spool valve motors include high efficiency, high power-density, infinite bearing life at rated loads, extended shaft seal life, smooth operation, and outstanding economy. Standard Eaton Char-Lynn spool valve motors are used in a wide variety of applications including agricultural equipment, machine tools, conveyors, winches, turf care equipment, and construction equipment, in addition to the food and beverage processing applications for which the new, nickel plated models are intended.
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When you need to produce and control high pressures, forces and torques permanently for mobile applications, then there are some pre-conditions:
- robust, service-friendly technology
- small size
- low weight
- as flexible multiple use of a component as possible
- easy handling and operation
The KRACHT mobile hydraulic components meet these requirements exemplarily. A glance at the technical data will convince you.
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Gear motors made of cast iron in two pieces.
A rigid and compact structure that makes it possible to incorporate a number of functions in a limited space.
Wide range of displacements: from 0.30 in³/rev (4,95 cm³/rev) to 9.20 in³/rev (150,79 cm³/rev) available in groups 20, 30 and 40
Max. peak pressure up to 4785 psi (330 bar)
Max. speed up to 4000 min-1
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Rated to 3000 psi. Spline or keyed shafts, side or rear porting, dual rotation available on standard models. Pressure balanced loading plates on either side of gears for maximum efficiency.
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On this page you can download our brochures of the product line "Mobile Hydraulics".
When you need to produce and control high pressures, forces and torques permanently for mobile applications, then there are some pre-conditions:
- robust, service-friendly technology
- small size
- low weight
- as flexible multiple use of a component as possible
- easy handling and operation
The KRACHT mobile hydraulic components meet these requirements exemplarily. A glance at the technical data will convince you.
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Expansion of Eaton's pump family
- Compact package size
- Low operating noise level
- Full range of feature options
High corner power
- High speed / flow capability
- 430 bar [6250 psi] rating
Best-in-class electro-hydraulic controls
Industry leading through-drive torque capability
High displacement integral charge pump
Applications:
- Natural Resources - Drilling & Associated Equip.
- Sewer cleaning equipment
- Agricultural sprayers - propel
- Concrete pumps
- Wood processing and recycling
- Railway maintenance
- Material handling
- Marine
- Snow groomers
- Large harvesting machines
- Dozers
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The muscle behind the motion.
Rugged, robust and reliable, hydraulic motors from Hägglunds can be used just about anywhere on land or at sea. From the bitter cold of Siberia to the blistering heat of Africa, they withstand the challenges of any environment and any type of industry.
Likewise, our motors can drive any application, from small winches to the largest bucket wheel reclaimers. Our broad range of motors covers the whole spectrum of needs, providing either shaft or housing rotation and handling everything from 5000 to 1 400 000 Nm.
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MS modular series
From 172 to 15 000 cm³
Up to 450 bar pressure
Up to 390 RPM
Single or multiple displacement
With or without brake
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CDM 170-050 and Addidrive™creepdrive
The CDM170-050 motor is at the heart of the AddiDrive™CreepDrive system. The system results of:
The vehicle features two independent transmission types: hydrostatic and mechanical. Shifting from one to another is simply done by activating a switch. The mechanical transmission is naturally used for traveling on the road, while its hydraulic counterpart is used for work. In the latter the mechanical brakes are spared as hydrostatic brakes are sufficient to stop the vehicle.
At low speed the electronic control takes care ofstarting the vehicle smoothly, cruise control andsafe braking. This frees the driver's attention from the driving functions and allows him to focus on the quality of his work.
Mechanically linked to the transmission shaft at its input and output, the CDM 170-050 is placed between the transmission and the differential. Light and compact package, it can fit every type of transmission brand. Moreover, it eases the remote control of the machine.
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Black Bruin motors are at their best in situations where high torque is required and use of other transmission is not reasonable. Hydraulic transmission does not contain axles allowing the frame structure to provide e.g. higher ground clearance and sharper wheel turn angle.
Starting is soft and motion is smooth even at low speed. On the other hand, vehicles equipped with multi speed Black Bruin motors are capable of reaching top speed exceeding 70 km/h.
The motors are used e.g. as wheel hub motors for agricultural, forestry, road building and mining machines.
Black Bruin BB hydraulic motors
• light and compact design
• high torque
• broad speed range
• mechanical freewheeling
• excellent low-speed characteristics
• multiple brake options
Black Bruin BBC hydraulic motors
• excellent efficiency at higg speeds - in both directions
• high pressure level (450bar)
• broader speed range than conventional models
• higher load capacity in smaller size
• variety of mounting options for accessories
• multiple brake options
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Proving that size matters.
Hägglunds’ Marathon motor is a giant – not only when it comes to size, but also when it comes to performance. By far the largest hydraulic motor in the world, Marathon is specially engineered for extreme, high-torque applications.
Despite its heavy-duty design and intimidating size, the Marathon motor offers excellent controllability and resistance to shock loads. As a result, it lets you handle large, dusty, corrosive and explosive applications with unexpected finesse. Even in extreme heat or freezing cold, a Marathon drive provides years of reliable service.
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ML MOTOR
For skid-steer loaders
Dual sprocket
2-displacement
Integrated oil exchange
Soft shift
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