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axial piston pump
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HA4VSG variable displacement-axial -piston pump description:
Swashplate axial piston pump | Flow is proportional to the drivek speed and to the displancement |
Adjust the angle of awashplate to reslize the stepless variable | Nominal pressure resch to 35Mpa |
Good suction charateristic | Long service life,high-precision besrings |
Have the structural design of compact, lightweight, low noise characteristics | Hydrostatic balance slipper,improve the life of pump |
The sensitivity of control system | With swashplate angle indicator |
-Fuid choice:
1In-order-to-ensure-the-selection-of-fluid-troublefree-and-highperformance-work,in-the-system-design-period,you-should-choose-the-hydraulic-fluid-of-the-hydraulic-system-be-based-on-conditions-carefully.All-the-mineral-oil-are-extent-applicable-for-the-axial-pistion-unit,which-application-of-the-basic-division-of-the-above-depends-ofn-the-relationship-of-the-water,temperature-and-viscosity,and-consider-oxidation-and-consider-oxidation-and-corrosion-protection,material-compatibility,air-and-water-separation-properties.-
2-In-order-to-ensure-long-service-life-of-equipment,must-be-good-and-reliable-filter,fluid-pollution-of-particles-should-not-exceed-the-following-levels:’
---Grade-18/15----in-accordance-with-GB/T-14039-1993
----Grade-6---in-accordance-with-SAE
----Grade-18/15---in-accordance-with-ISO/DIS4406
----Fluid-in-the-high-temperature-[75°C≤t,t≥90°C]:
----Grade-17/14—in-accordance-with-GB/T-14039-1993
----Grade-5----in-accordance-with-SAE
----Grade-17/14—in-accordance-with-ISO/DIS4406
3-In-order-the-choose-the-correct-hydraulic-fluid,you-must-be-aware-of-the-ambient-temperature-related-to-the-working-temperature,the-temperature-requirements-is-no-more-than-90-°C,working-viscosity-is-16-36-mm2-per-second.Please-refer-to-following-chart,choose-the-viscosity-of-hydraulic-fluid,select-the-highest-level-of-viscosity
-Oil requirement:
The-work-of-this-series-axial-pistonpump-with-hydraulic-oil-recommended-low-condensate-oil-.antiwear-hydraulic-oil,aviation-hydraulicoil-and-so-on.Normal-working-oil-temperature-is-15-65°C.,ideal-Working-oil-temperature-is-46-54°C.Fluid-in-the-normal-operating-temperature-to-work,should-ensure-the-viscosity-of-its-movement-range:16-36mm2/s.Cleanliness-control-in-NAS1683-9-level(or-GB/T14036-1993-18/15)or-less.Note:Oil-cleanliness-will-signficantly-affect-the-pump-life!
----Pump-for-one-month-or-continuous-use-of-the-initial-period-of-time-,should-be-check-the-oil-cleanliness,and-replace-or-clean-the-filter.Oil-failed-to-replace-oil.
----Note:This-series-of-axial-piston-pump-can-be-difficult-to-use-HF-fuel-oil.-Hydraulic-oil,to-be-ordered-when-ordering-the-special-model[EType].Using-the-HFA.HFB.HFChydralic-oil.the-need-to-reduce-ther-allowable-pressure-and-driving-speed.allows-the-use-of-pressure-and-speed-as-follows:
Size |
40 | 71 | 125 | 180 | 250 | 355 | 500 |
HFA-Rated-pressure14MPa |
1950 |
1650 |
1350 |
1350 |
1120 |
1120 |
1000 |
HFB-Rated-pressure14MPa |
2100 |
1760 |
1450 |
1450 |
1200 |
1200 |
1050 |
HFC-Rated-pressure25MPa |
2100 |
1760 |
1450 |
1450 |
1200 |
1200 |
1050 |
Note:The-speed-unit:r/min.need-to-wash-the-oil-bearing-at-the-mouth-of-U.flushing-pump-oil-flow-reference-samples.
-Operate procedure
1.Pump-should-be-checked-befor-running-the-insatallation-is-correctt-and-reliable,whether-it-is-required-to-install-the-coupling-turn-the-coupling-by-hand-if-stuck-phenomenon 2.After-initial-use-or-long-term-storage-operation,should-be-required-before-the-start-of-the-piston-according-to-instructions-of-the-shell-is-filled-with-the-work-of-cleaning-fluid-,or-not-allowed-to-atart-,check-before-the-start-of-steering-,the-primr-mover,check-valve-into-,the-tubing-Ee-are-open. 3.-Such-as-adjusting-the-system-to-the-minimum-vzlue-of-the-relief-valve-,non-load-start.
4.Starting-point-should-be-the-first-move-,after-conntinuous-operation-to-work-,After-a-certain-time-in-operation-no-abnormal-phenomenon-,and-then-gradually-adjust-to-the-required-pressuer-and-flow.Safety-relief-valve-should-not-exceed-the-maximum-value-of-the-provisions-of-regulation-. Note-:Failing-to-piston-damage-is-not-caused-by-use-of-three-bags-of-range.
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