PRESENTATION ON

FIAT BOGIE
BOGIE GENERAL
ARRANGEMENT
DESIGN FEATURES:
Principles of force
transmission
Vertical forces:
from the body to the
bogie frame through
the secondary
suspension spring...
Lateral forces:
from the body to
the bogie frame
through the
secondary
suspension
springs; from the
bogie frame to the
axl...
Longitudinal traction
efforts and braking
powers:
from the body to
bogie frame through
the traction centre
rods and the tr...
Curve negotiation:
An articulated control arm is connecting axle
bearing and side frame through elastic
connection, which ...
Wheel diameter
New wheel dia 915mm
worn wheel dia 845mm
Suspension elements:
Primary suspension consists of nested inner
and outer springs, dampers, top rubber pad
secondary susp...
Speed limit
Upto 160KMPH without any modification
upto 200KMPH with minor modification
FIAT BOGIE

SUB-SYSTEMS
Wheel and Axles
On the bogie each axle
is fitted with two brake
disks (4), diameter 640
mm and width 110 mm.
In built slac...
Axle bearings
A taper roller cartridge
type bearing is used.
It is a pre-assembled
unit not required any
further intervent...
BOGIE FRAME
The bogie frame is a solid welded frame made by
steel sheets and forged or cast parts.
The frame is made up of...
BOGIE FRAME
Primary suspension
Consisting of two coil springs, one vertical
damper, An articulated control arm fitted with
twin-layer ...
SECONDARY
SUSPENSION
CONSISTS
NEST OF FLEXI-COIL SPRINGS INNER AND
OUTER, RUBBER SPRING
VERTICAL DAMPERS
LATERAL DAMPERS
Y...
SECONDARY
SUSPENSION
DISC BRAKE SYSTEM
AXLE MOUNTED
DISC BRAKE
TWO DISCS PER
AXLE OF DIA640
INBUILT SLACK
ADJUSTER IN
BRAKE
CYLINDERS
35mm BRAK...
Fiat bogie
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Fiat bogie

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Presentation on fabrication and function of Fiat bogies used in worldwide Locomotive...:):)

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Fiat bogie

  1. 1. PRESENTATION ON FIAT BOGIE
  2. 2. BOGIE GENERAL ARRANGEMENT
  3. 3. DESIGN FEATURES:
  4. 4. Principles of force transmission Vertical forces: from the body to the bogie frame through the secondary suspension springs; from the bogie frame to the axles through the primary suspension springs and frame - axle bearing control arm.
  5. 5. Lateral forces: from the body to the bogie frame through the secondary suspension springs; from the bogie frame to the axles through the elastic elements of the frame - axle bearing control arm.
  6. 6. Longitudinal traction efforts and braking powers: from the body to bogie frame through the traction centre rods and the traction lever; from the bogie frame to the axles through the frame axle bearing control arm.
  7. 7. Curve negotiation: An articulated control arm is connecting axle bearing and side frame through elastic connection, which will provide flexibility between axle and side frame.
  8. 8. Wheel diameter New wheel dia 915mm worn wheel dia 845mm
  9. 9. Suspension elements: Primary suspension consists of nested inner and outer springs, dampers, top rubber pad secondary suspension consists of nested flexi-coils springs (inner and outer springs),rubber spring, vertical dampers, lateral dampers, anti-roll bars, anchor links. Secondary rubber pad is inserted below and above secondary springs provides flexible ends of springs.
  10. 10. Speed limit Upto 160KMPH without any modification upto 200KMPH with minor modification
  11. 11. FIAT BOGIE SUB-SYSTEMS
  12. 12. Wheel and Axles On the bogie each axle is fitted with two brake disks (4), diameter 640 mm and width 110 mm. In built slack adjusting facilities in brake cylinder fitted. Two wheel disc of tread dia 915 (New), 845 (worn).
  13. 13. Axle bearings A taper roller cartridge type bearing is used. It is a pre-assembled unit not required any further intervention, such as clearance adjustments. The axle bearings on the bogie are fitted with sensors for detecting speed
  14. 14. BOGIE FRAME The bogie frame is a solid welded frame made by steel sheets and forged or cast parts. The frame is made up of two longitudinal components connected by two cross-beams (2) which also support the brake units. The various supports which connect the different bogie components are welded to the frame. The bogie frame rests on the primary suspension spring units and supports the vehicle body by means of a bolster beam. The bolster beam is connected to the bogie frame by secondary suspension.
  15. 15. BOGIE FRAME
  16. 16. Primary suspension Consisting of two coil springs, one vertical damper, An articulated control arm fitted with twin-layer elastic joints connecting the axle bearing to the bogie frame for curve negotiation.
  17. 17. SECONDARY SUSPENSION CONSISTS NEST OF FLEXI-COIL SPRINGS INNER AND OUTER, RUBBER SPRING VERTICAL DAMPERS LATERAL DAMPERS YAW DAMPERS ANTI-ROLL BAR ANCHOR LINKS
  18. 18. SECONDARY SUSPENSION
  19. 19. DISC BRAKE SYSTEM AXLE MOUNTED DISC BRAKE TWO DISCS PER AXLE OF DIA640 INBUILT SLACK ADJUSTER IN BRAKE CYLINDERS 35mm BRAKE

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