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variable displacement piston pump a11vlo for crane drilling machine-0

Variable Displacement Pump

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Variable Displacement Piston pump A11VLO for Crane &Drilling Machine

  • Feature
  • Model code
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Feature:

1.Variable displacement pump with axial piston drive swashplate design for hydrostatic drives in open circuits

2.Design primarily for use in mobile applications

3.Pump operation either self-priming,with tank charging or charging pump

4.A comprehensive range of varialble units is available for different control functions

5.Power can be adjusted from the outside , even when the machine is running

6.The through drive is suitable for attachment of gear pumps and axial piston pumps up to the same size , i.e.100% through drive

7.The Volume flow is adjustable in proportion to the dirve speed and displacement and is infinitely variable from QVmax to QvMin=0

A11VLO_02.png

Size A11VO  40   60   75  95  130  190  190   260 
Displacement Vg max cm3  42  58.5   74  93.5  130  190  190   260 
Vg min cm3  0   0   0    0   0 
Speed
maximum at Vg max' Nmax rpm  3000   2700   2550  2350  2100  2200  2100   1800 
 maximum at Vg≤Vg max' nmax1 rpm  3500   3250   3000  2780  2500  2500  2100   2300 
Flowat nmaxand Vg max qv max l/min  126  158   289  220  273  319  405   468 
Power atqv maxand △p=350 bar Pmax kW  74   92   110  128  159  186  236   273 
Torque atVg maxand △p=350 bar Tmax Nm  234   326   412  521  724  808  1075   1448 
Rotary stiffness Z shaft Nm/rad  88894  102440   145836  199601  302495  302495  346190   686465 
P shaft Nm/rad  87467  107888   143104  196435  312403  312403  383292   653835 
S shaft Nm/rad  58347  86308   101921  173704  236861  236861  259773   352009 
T shaft Nm/rad  74476  102440   12560  301928   567115 
Moment of inertia forrotary group JTW kgm2  0.0048  0.0082   0.0115  0.0173  0.0318  0.0341  0.055   0.0878 
Angular acceleration,max4)                     a rad/s2  22000  17500   15000  13000  10500  9000  6800   4800 
Filling capacity V I  1.1  1.35   1.85  2.1  2.9  2.9  3.8   4.6 
Mass(approx.) m kg  32   40   45  53  66  76  95   125 

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