Rexroth A10VG pump

Rexroth A10VG pump

Product introduction:

Series: A10VG
Closed circuits
Size 18  to 63
Series
Product Category: Hydraulic piston pump / Rexroth
  • Rexroth A10VG pump

     

    Brueninghaus Hydromatik Rexroth A10VG pump

     

    Hydraulic axial piston pump A10VG18, A10VG28, A10VG45, A10VG63

    Description

     

    Closed circuit

    Control devices: HD, HD3, HW, DG, DA1, DA2, EP3, EP4, EZ1, EZ2, etc.

    Nominal pressure 4350 psi (300 bar); Peak pressure 5100 psi (350 bar)

    Control device: MD, HD, HW, DG, DA, EP, EZ, etc.

     

    The A10VG variable axial piston pump of swash plate design for hydrostatic closed circuit transmission

    – Flow is proportional to drive speed and displacement and is infinitely variable

    – Output flow increases with the swivel angle of the swash plate from 0 to its maximum value

    – Flow direction changes smoothly when the swash plate is moved through the neutral position

    – A wide range of highly adaptable control devices is available for different control and regulating functions

    – The pump is equipped with two pressure-relief valves on the high pressure ports to protect the hydrostatic transmission (pump and motor) from overload

    – The high-pressure relief valves also function as boost valves

    – The integrated boost pump acts as a feed and control oil pump

    – The maximum boost pressure is limited by a built-in boost pressure relief valve

     

    Technical Data 

    Table of values (theoretical values, without efficiency and tolerances; values rounded)

    Size

    A10VG18

    A10VG28

    A10VG45

    A10VG63

    Displacement  variable pump

    Vg max

    cm3

    18

    28

    46

    63

    boost pump (at p = 20 bar)

    Vg Sp

    cm3

    5.5

    6.1

    8.6

    14.9

    Speed  maximum at Vg max

    Nmax

    rpm

    4000

    3900

    3300

    3000

    limited maximum 1)

    nmax limited

    rpm

    4850

    4200

    3550

    3250

    intermittent maximum 2)

    nmax interm.

    rpm

    5200

    4500

    3800

    3500

    minimum

    nmin

    rpm

    500

    500

    500

    500

    Flow  at nmax continuous   and Vg max

    qv max

    l/min

    72

    109

    152

    189

    Power 3) at nmax and Vg max

    Δp = 300 bar

    Pmax

    kW

    36

    54.6

    75.9

    94.5

    Torque 3) at Vg max

     

    Δp = 300 bar

    Tmax

    Nm

    86

    134

    220

    301

    Δp = 100 bar

    T

    Nm

    28.6

    44.6

    73.2

    100.3

    Rotary stiffness

     

    Shaft end S

    c

    Nm/rad

    20284

    32143

    53404

    78370

    Shaft end T

    c

    Nm/rad

    73804

    92368

    Moment of inertia for rotary group

    JRG

    kgm2

    0.00093

    0.0017

    0.0033

    0.0056

    Angular acceleration, max. 4)

    α

    rad/s2

    6800

    5500

    4000

    3300

    Filling capacity

    V

    L

    0.45

    0.64

    0.75

    1.1

    Mass approx. (without through drive)

    m

    kg

    14(18) 5)

    25

    27

    39

    1) Restricted maximum speed: – at half corner power (e.g. at Vg max and pN /2)

    2) Intermittent maximum speed: – at high idle speed

    – at over speed: Δp = 70…150 bar and Vg max

    – at reversing peaks: Δp < 300 bar and t < 0.1 s.

    3) Without boost pump

    4) – The area of validity is situated between the minimum required and maximum permissible speed. It applies for external stimuli (e.g. engine 2-8 times rotary frequency, cardan shaft twice the rotary frequency).

    – The limit value applies for a single pump only.

    – The load capacity of the connection parts has to be considered.

    5) 14kg: MD control, 18kg: HD control

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