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PUMBAA power supply for electric vehicles PPS500

Pumbaa PMEA40000Z Central E-axle

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Pumbaa PMEA40000Z Central E-axle

125/250kW Central E-axle for electric rubbish truck /sprinkler truck

Pumbaa PMEA40000Z Central E-axle Performance Benefits

 

Advantage 1: High efficiency and energy saving

Helical gears replace helical bevel gears, and the mechanical efficiency can reach 98%;

Using high-efficiency oil-cooled motor and active lubrication system, the system efficiency can reach up to 93%;

The weight is significantly reduced, and the weight is reduced by more than 400Kg compared with the central pure electric drive system (double-axle structure);

 

Advantage 2: Control strategy advantage Torque assist can realize power without interrupting gear shifting;

It can realize heavy-load ramp-up shifting and improve operational efficiency;

Optimize the control strategy and improve driving comfort;

 

Advantage 3: Excellent power performance

The total power of the system is up to 440KW;

The maximum climbing degree of the 49T tractor is more than 35%;

The maximum speed can reach 125km/h;

 

 

    Simulation calculations of PMEA40000Z Central E-axle

     

    • Parametric design calculations
    • Dimension chain check analysis
    • Transmission check analysis
    • Tooth shape error study
      electric rear axle

     

    electric car rear axle

     

    electric rear axle drive

     

     

    rear axle for electric car

     

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    Pumbaa PMEA40000Z Central E-axle Application examples

    Pumbaa PMEA40000Z Central E-axle Matching vehicle type18T-23T sprinkler truck/garbage transfer truck

     E-axle Matching vehicle

     E-axle Matching vehicle

    garbage transfer truck

    18T-23T sprinkler truck

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    Pumbaa PMEA40000Z Central E-axle Specification

    Technical parameters

    Rated axle load(kg)

    13000

    Axle housing forming method

    Stamping and welding

    Housing cross-section(mm)

    135×150×16

    Gearbox ratio

    13.203/4.367

    Wheel ratio

    3.947

    Nominated/peak output torque(Nm)

    320/820

    Rated/peak power(kw)

    125/250

    Maximum speed(rpm)

    11000

    Motor dimensionsmm

    Φ354×270

    Leaf spring mounting distance(mm)

    1040

    Rim mounting distance(mm)

    1875

    Overall width(mm)

    2420

    Brake specifications

    Drum pose/φ410×220

    Air chamber size/connection size(mm)

    30/24   M16×1.5

    Maximum braking torque(0.8MPa)

    2×18000Nm

    Wheel bolt specifications

    2-10×M22×1.5

    Wheel bolts are distributed in a circle diameter(mm)

    Φ335

    Locate the stop(mm)

    Φ280.8

    Assembly weight(kg)

    1030

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