Variable axial piston pump 416 series technical catalogue. Axial piston pumps operating pressure up to 210 bar. Working principle variable displacement axial piston pump acc. Stable storage for long service life high permissible drive speed. Denison hydraulics axial piston motor variable displacement. Their high performance ratings and efficiencies are achieved with a variety of hydraulic fluids. Axial piston double pump with variable displacement. Hydraulictraining axial piston units insane hydraulics. The axial piston variable displacement pumps of the type v30 of d of fer extr emely high function safety. Variable axial piston pump with tapered piston rotary group in bent axis design for hydrostatic drives in open circuits for operation in mobile and industrial applications the flow is proportional to the drive speed and the displacement and steplessly variable from q v max to q v min 0 wide range of controls and adjustment. Application instructions and requirements for hydraulic fluids should be taken from the following data sheets before the.
Pressure fluid hydraulic fluid din 51524 table 2 and 3. Danfoss axial piston variable displacement pumps are of swash plate design with variable flow capability suitable for hydrostatic transmissions with closed loop circuit. Axial piston variable pump a10vso series 32 hydraulic fluids 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit. A variabledisplacement axialpiston pump enables high pressure, high horsepower precision control in a compact package in an axialpiston pump, the pistons and cylinder rotate around the center, longitudinal axis. Medium pressure piston pump variable displacement closed. Rotary group pistons feet are pressed to the swashplate. Axial flow pumps are sometimes called propeller pumps because they operate essentially the same as the propeller of a boat. A cleanliness level of at least 201815 according to iso 4406 is to be adhered to. A10vo piston pump manualmodule 3a description axial piston pumps model a10v0 are swash plate design variable displacement pumps. Axial piston variable pump a10vo series 52 and 53 hydraulic fluids 5 hydraulic fluids the a10vo variable pump is designed for operation with hlp mineral oil according to din 51524.
Axial piston motor variable displacement installation and overhaul instructions goldcup series m11. In portable document format pdf files, these references. Fixed and variable displacement axial piston motors safety precautions before you use the product, you must read the operation or operators manual and must fully understand how to use the product. Variable displacement pump a10vo series 31, for open loop circuits, axial piston, swashplate design re 9270111. Axial piston variable pump a10vso bid on equipment.
The benchmark figures for this product are 45 cm3rev and 400. Re 92712 axial piston pump a10vo in swashplate design is used for hydrostatic transmissions in open loop circuits. Variable displacement models can closely match pressure andor flow. The flow can be steplessly varied by adjusting the swashplate angle.
The axial piston variable displacement pumps of the type v30 of d offer extremely. The impeller of a typical axial flow pump and the flow through a radial flow pump are shown in figure 7. Product description variable displacement axial piston pumps operate according to the bent axis principle. Danfoss axial piston variable displacement pumps are of swash plate design with variable flow capability suitable for hydrostatic transmissions with closed loop. Series 20 axial piston pumps service manual danfoss. The goldcup series axial piston motors feature the use of a rocker cam and cradle stroking control to vary. Technical information series 20 axial piston pumps 2 l1003621 rev ba jun 2014 danfoss a world leader in hydraulic power systems has developed a family of axial piston pumps. Values in the us customary unit system are converted and rounded values. Axial piston variable displacement pumps, series 20, are of swash plate.
Variable pump in axial piston swashplate design for hydrostatic drives in an open circuit the flow is proportional to the drive speed and the displacement. To ensure the functional reliability of the axial piston unit, a gravimetric analysis of the hydraulic fluid is. Designed principally for use in mobile applications. Pdf this work deals in particular with variable displacement swashplate axial piston pumps which play a relevant role in feeding adjustable. The pump operates under selfpriming condition, with tank. The vppl are variable displacement axialpiston pumps with variable swash plate, suitable for applications with open circuits and intermediate pressures. Axial piston variable pump a1vo series 10 shaft seal 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit.
Hydraulictraining axial piston units basic principles. As illustrated by the picture under functional purpose they basically consist of a housing 1, control pistons 2 located inside cylinder barrel, drive shaft 3, swash plate 4, a control valve assembly. Both fixed and variable displacement models make up this range of axial piston pumps. Flow is proportional to drive speed and displacement. The displacement is continuously variable by means of a tilting swash plate and the oil flow direction is reversible. Based on our companys decades of experience, the h1p will provide you with highest quality and standards. Schematic diagram of a swashplate with parallelaxis pistons. Overview of variable displacement axial piston pump type v40m. The prime mover rotating the pump is simulated with the ideal angular velocity source. By adjusting the position of the swashplate it is possible to smoothly vary the flow. Available versions, main data see also drawings page 4.
Axial piston variable pump a10vs o data sheet series 31 size ng18 a10vso size ng28 to 140 a10vo nominal pressure 280 bar peak pressure 350 bar open circuit features variable axial piston pump of swashplate design for hydrostatic drives in open circuits. Re 92712 axial piston pump a10vo in swashplate design is. Fixed displacement models are noted for their volumetric and mechanical efficiencies. Pressure relief valves, one each for the high and low pressure sides, prevent the maximum permissible pressure from being exceeded. This configuration shows a hydrostatic transmission using a series 90 axial piston variable displacement pump and a series 90 fixed displacement motor. An axial piston pump is a positive displacement pump that has a number of pistons in a circular array within a cylinder block. They can be assembled directly into the truck power take off pto. Axial piston units are designed for easy servicing, complete dismantling and disassembly can be carried out with standard hand tools, and all components or sub assemblies are replaceable. Variable axial piston pump of swashplate design for hydrostatic drives in open circuits the flow is proportional to the drive speed and displacement. Pdf displacement control in variable displacement axial piston. In order to guarantee the functional reliability of the axial piston unit it is necessary to carry out a gravimetric evalua. With fast control response and superior performance, the pvg is a variabledisplacement axialpiston pump designed to take on your most demanding applications.
The efficiency and power graphs are measured at an input speed of n 1500 rpm, a temperature of 50 c and a fluid viscosity of 30 mm2s. In an axial flow pump, the impeller pushes the liquid in a direction parallel to the pump shaft. A cleanliness level of at least 201815 is to be maintained according to iso 4406. It offers highpressure, superior performance in a compact design while thriving on lowviscosity fluids. All books are in clear copy here, and all files are secure so dont worry about it.
The flow is proportional to the drive speed and displacement. The flow is infinitely variable through adjustment of the swashplate angle. Its r emarkably low noise lev els, the high pr essur e rating peak 420 bar perm. To use the product safely, you must carefully read all warnings and cautions in this manual. Read online axial piston variable pump aa10vso usversion book pdf free download link book now. Application instructions and requirements for hydraulic fluids should be taken from the following data sheets before the start of project planning.
Series 90 axial piston pumps technical information organization and. Hydraulic test machine sauer hydraulic pumpmotor rexroth hydraulic pump axial piston variable pump re 9200301b04. Axial piston variable pump a1vo series 10 hydraulic fluid 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit. General operating manual for the assembly, initial operation and maintenance of hydraulic.
It has not only pioneered the closedcircuit variable displacement axial piston pumps but also the whole mobile hydraulic industry. Hydraulic axialpiston pump with loadsensing and pressure. Axial piston variable pump a4vg series 32 hydraulic fluids 5 hydraulic fluids the a4vg variable pump is designed for operation with hlp mineral oil according to din 51524. Failure analysis a guide to analyzing axial piston pump failures oilgear company milwaukee, usa 80776, rev. The pump output passes through a pipeline, control unit, and a variable orifice that acts as a load. Variable displacement piston pumps are used in closed loop systems either as a single or tandem pump. Axial piston variable pump a4vso data sheet series 10, 11 and 30 size 40. Variable displacement pump a11vo re series 1, for open. Hydraulic pumpmotor division piston pump controls piston pump controls are integral valves that port flow to a stroking piston in response to a pressure or electronic signal, which results in a variable hydraulic pump achieving a desired displacement.
The pistons and shoes move in and out of the cylinder because they are sliding upon a stationary, variable angle, swashblock. Fixed and variable displacement axial piston motors. Basic system with variable pump and variable motor. Case drain flows pv063092 efficiency, power consumption pv063 efficiency and case drain flows pv063, pv080, pv092. Download axial piston variable pump aa10vso usversion book pdf free download link or read online here in pdf. Variable displacement pump a11vo series 1, for open circuits axial piston swashplate design the a11vo is a variable displacement pump of axial piston swashplate design for use in open circuit hydrostatic drives. Variable displacement axial piston pump aa4vso in swashplate design is available for open circuit applications.
The liebherr axial piston double pump dpvd series is developed for the open circuit in swash plate design. Hydraulictraining axial piston units basic principles re 9060001. Axial piston variable pump a10vso data sheet series 31 size ng18 to 140 nominal pressure 280 bar peak pressure 350 bar open circuit features variable axial piston pump of swashplate design for hydrostatic drives in open circuits the flow is proportional to the drive speed and displacement. Mechanical fault in pump piston and shoe looseness or failure bearing failure. Variable displacement model with compensator control c or cm. The displacement of axial piston pumps is determined by the size and number of pistons, as well as the stroke length which is determined by the angle of the swash plate. Vdp series is a variable displacement axial piston pump designed to use in open circuits. Piston pump controls are integral valves that port flow to a stroking piston in response to a pressure or electronic signal, which results in a variable hydraulic. The compact design allows to be mounted directly on engine motors. Variable displacement axial piston pump of swashplate design for hydrostatic open circuit systems flow is proportional to drive speed and displacement.
The pump model is represented by the subsystem named axialpiston pump. Axial piston variable pump aa10vso usversion ra 92711a07. Piston p100 584e m 6 variable pump input shaf t a uxilia ry pad co ntro l charge check high pressure relie f va lv e charge relie f va lv e bypass. It can be used as a standalone pump, a hydraulic motor or an automotive air conditioning compressor. The axial piston units of bentaxis design with fixed or. It can be infinitely varied by adjustment of the swashplate.