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Axial piston motors with fixed displacement series AHP-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 motors with variable displacement series AHP-10 are of swash plate design. They are designed for use 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. The wide scale of controls of the variable displacement motor allows to meet the requirements of high speed and high torque.
Depending on control system the displacement is infinitely variable in the interval from Vgmax to Vgmin = 0 or is variable in the two position Vgmax and Vgmin.
At the picture No. 2, there is drawn cross sectional view of variable motor with a shaft supported on two tapered roller bearing. The rear cover also serves for connection of the high-pressure ports.
To the front cover is bolted a flange with centering diameter in accord with SAE standard. Standard motor is equipped with mechanical - hydraulic servo valve with mechanical feedback. 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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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 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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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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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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The new "G" Series of Radial Piston Hydraulic motors has been developed to offer, contrary to the past, a multipurpose product; as a matter of fact, our standard motors were regarded as "low speed motors".
"G" motors can be classed as:
HIGH SPEED RADIAL PISTON MOTORS
As these are radial piston motors, they keep their operating features:
a high starting torque along with a high stability during the torque transmission.
It is worth bearing in mind that, as compared to other motors, the "G" motor, thanks to the great number of pistons, as a very high overall performance, even at low rpm.
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The axial piston engines are available in construction to inclné plate and constuction with axis broken for the beaches of average and high pressure.
Cubic capacity from 5 to 1000 Cm3
Pressure rating up to 400 bar
Number of max. revolutions up to 10000 min-1
Couples until 5570Nm
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All over the world, Staffa motors are used on: plastic injection moulding machines (extruder screw drives), mining machinery (swing, track, wheel, bucket, and cutterhead drives), earthmoving and construction equipment (wheel, track, swing and implement drives), marine machinery (winch and steering mechanisms), and forestry machines (swing and cutterhead drives) as well as many others.
Staffa motors are offered in models that include single displacement, dual displacement and continuously variable forms supplemented by integral gearboxes, brakes, and standard valve packages.
Staffa motors offer consistent, controlled acceleration of loads and smooth, steady, low speed operation. Moving parts are immersed in hydraulic fluid, so Staffa motors do not require periodic lubrication.
They also save money by increasing usable drive power and reducing drive train maintenance.
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Variable-displacement axial piston pumps for closed circuits
Variable displacement axial piston pumps for open circuits
Fixed displacement axial piston motors
Variable displacement axial piston motors
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Complete range of fixed and variable displacement axial pistons motors, with swashplate system, suitable in open and closed loops. Compact, robust and high- performance motors, durable and easy to maintain.
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Type A2FM
* Sizes 5 to 1000
* Axial tapered piston bent-axis design
* Open and closed circuits
* Frame size 6
* Break valve attachment possible
* Optional: integrated flushing and boost pressure valve
* Suitable for pump operation in the closed circuit
* Long-life bearing possible (sizes 250 to 1000)
Type A10FM
* Sizes 18 to 63
* Axial piston swashplate design
* Open and closed circuits
* Frame size 5
* SAE version
* Optional:
o integrated flush and boost pressure valve
o integrated coasting valve, e.g. for fan drives
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Axial piston units are available in the form of pumps and motors in bent axis design or swashplate design for medium- and high-pressure ranges. They are the main components in the hydrostatic transmission. Compact size and high power density, economy and reliability are characteristic advantages which speak for the use of hydrostatic transmissions, together with the fact that they meet the demand for high speed and high torque, as well as optimum efficiency.
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The MCR radial piston motors are slowly running hydraulic motors which operate according to the multiple-stroke principle.
The relationship between roll diameter and cam profile is optimized inside the central power unit. This results in the best possible balance of forces between piston and cam path and simultaneously extends the service life. The step-piston power unit or high-displacement power unit yields a very compact drive unit with high power density.
MCR motors can be used both in open as well as in closed circuits.
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Radial Piston Motors - Calzoni
• Double displacement motor (MRD, MRDE)
• High starting torque: from 90 % to 95 % of theoretical
• High control at very low speed
• High volumetric effi ciency: up to 98 %
• Low noise
• Resistance to thermal shocks
• Reversibility
• Long bearing life
• Speed accessories, brakes….
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Types MR and MRE:
- Sizes 160 to 8500
- Closely graduated swept volumes
- Very high start-up torque
- Smooth running even at very low speeds (nmin = 0.5 to 1 min- 1)
- High resistance to thermal shock
- Reversible
- Suitable for closed-loop controlled applications
- Suitable for hardly inflammable fluids
- Roller bearings for extremely long service life
- Very low operating noise
- Version with measurement shaft, hollow shaft, brake
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Axial piston units are available in the form of pumps and motors in bent axis design or swashplate design for medium- and high-pressure ranges. They are the main components in the hydrostatic transmission. Compact size and high power density, economy and reliability are characteristic advantages which speak for the use of hydrostatic transmissions, together with the fact that they meet the demand for high speed and high torque, as well as optimum efficiency.
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The MCR radial piston motors are slowly running hydraulic motors which operate according to the multiple-stroke principle.
The relationship between roll diameter and cam profile is optimized inside the central power unit. This results in the best possible balance of forces between piston and cam path and simultaneously extends the service life. The step-piston power unit or high-displacement power unit yields a very compact drive unit with high power density.
MCR motors can be used both in open as well as in closed circuits.
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