AkumulatorFungsi utama adalah mengambilsejumlah fluida bertekanan darisistem hidrolik danmenyimpannya hingga diperlukanole...
Type-type Akumulator1. Akumulator Bladder2. Akumulator Membran3. Akumulator Piston
Simbol AkumulatorP TMS
Akumulator Bladder
Akumulator Membran
Akumulator Piston
Parameter Pengoperasian Akumulatorp0 = Gas pre-fill presurep1 = Minimum operating pressurep2 = Maximum operating pressureV...
Pengisian Gas Nitrogen IdealBladder AccumulatorMembraneAccumulator PistonMembraneLow frictionmodelHighPressureLowPressureW...
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Akumulator

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Akumulator

  1. 1. AkumulatorFungsi utama adalah mengambilsejumlah fluida bertekanan darisistem hidrolik danmenyimpannya hingga diperlukanoleh sistem kembali
  2. 2. Type-type Akumulator1. Akumulator Bladder2. Akumulator Membran3. Akumulator Piston
  3. 3. Simbol AkumulatorP TMS
  4. 4. Akumulator Bladder
  5. 5. Akumulator Membran
  6. 6. Akumulator Piston
  7. 7. Parameter Pengoperasian Akumulatorp0 = Gas pre-fill presurep1 = Minimum operating pressurep2 = Maximum operating pressureV0 = Effective gas volumeV1 = Gas volume at p1V2 = Gas volume at p2ΔV = Useful volumeΔV = V1 – V2
  8. 8. Pengisian Gas Nitrogen IdealBladder AccumulatorMembraneAccumulator PistonMembraneLow frictionmodelHighPressureLowPressureWeldedModelScrewedModelGas fillpressurep0≤ 0,9. P1(energy storage)= 0,6 to 0,9 . Pm (Shockabsorption)= 0,6 . Pm (Pulsation damping)≤ 0,9 . P1 (Energy storage)= 0,6 . Pm (Pulsationdamping)≤ P1 – 5 bar< 2 bar (Low frictionpiston model)< 10 bar (Normalpiston model)Max Pressureratio p2/p04 : 1 4 : 14 : 1 to8 : 110 : 1 No limitationsMax. operatingpressure550 bar 35 bar 210 bar 400 bar 350 barFluid flowUp to 40L/sUp to 140 L/s 4 to 6 L/s 4 to 6 L/sDependent on pistondiameteris the maxvelocity 3,5 m/sAccumulator Up to 50 L Up to 450 L Up to 3,5 LUp to 10L/sUp to 250 L/sPm = mean operating pressure t free flowPressure : always absolute pressure
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