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Rail Bogie

Categories: Published On: May 8, 2022
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Description

Bogies well as called Truck American is achassisor framework carrying wheels, attached to a vehicle, thus serving as amodular subassembly of wheels andaxles.

 

Bogies serve a number of purposes:

  • Support of the rail vehicle body.
  • Stability on both straight and curved track.
  • Ensuring ride comfort by absorbing vibration and minimizing the impact of centrifugal forces when the train runs on curves at high speed.
  • Minimizing generation of track irregularities and rail abrasion.

Key components of a bogie include:

  • The bogie frame: This can be of inside frame type where the main frame and bearings are between the wheels, or (more commonly) of outside frame type where the main frame and bearings are outside the wheels.
  • Suspensionto absorb shocks between the bogie frame and the rail vehicle body: Common types arecoil springs, or rubber airbags.
  • At least onewheelset, composed of anaxlewithbearingsand awheelat each end.
  • Axle box suspensions absorb shocks between the axle bearings and the bogie frame. The axle box suspension usually consists of a spring between the bogie frame and axle bearings to permit up-and-down movement, and sliders to prevent lateral movement. A more modern design uses solid rubber springs.
  • Brake equipment: Two main types are used:brake shoesthat are pressed against the tread of the wheel, anddisc brakesand pads.
  • In powered vehicles, some form oftransmission, usually electrically poweredtraction motorsor a hydraulically poweredtorque converter.

 


SCHBER Supply the most type of freight wagon bogies according to following features:
Bogie Type: Fabricate Type, Ride Control Type

Gauge:
Meter Gauge, 1000mm
Narrow Gauge, 1067mm
Standard Gauge 1435mm
Broad Gauge 1520mm, 1676mm


Wheel Diameter:
28” (711mm), 30” (762mm),33” (840mm),36” (920mm)

Wheel Type:
Casting wheel, Forging wheel, Tyred wheel

Bogie basic parameter reference table

Item Axle load/T Load /T Optional wheelbase/mm Bogie controllable weight/T tolerance±0.3T
1000 1067 1435 1520 1676
Number 14 45 &#xf057; &#xf057; &#xf057; 2.5-4
16 50 &#xf057; &#xf057; 3-4.5
20 60 &3.5-5
25 78 4-5.5
30 95 &#xf057; 4.5-6
32.5 100 &#xf057; &#xf057; 4.5-6.5
Optional type of axle:AAR C/D/E/F/G grade shaft/bearing Wheel:rolled steel,cast steel
Brake optional type:Mechanical lever type basic brake / unit brake
Optional operating speed:60~160KM/H
Bound: can be designed according to different clearance requirements, matching


Design and Validation

SCHBER have the ability to design the new bogies according to customer application, have our design and validation of process to guarantee the reliability as followings:
Prototype Design according to indicated parameters from customer requirement.
Structure Design after prototype design has been approved by customer
FEA (Finite Element Analysis) for Fatigue Life of Bogie Frame
Static Strength and Dynamic Strength Testing for Bogie Frame
Bogie Running Tests

gauge:

1435

axle load:

20T

speed:

100-160km/h

gauge:

1435/1676

axle load:

25T/30T

speed:

120-160km/h

gauge:

1067

axle load:

20T

speed:

80-160km/h

gauge:

1435/1676

axle load:

20T/25T

speed:

120-160km/h

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