The FIAT Bogie is a bogie used in LHB Coach. It is an adoption of EUROFIMA design. The FIAT Bogie is a two-axle type, with a primary and a secondary suspension, and with an axle mounted disc brake system.
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| FIAT Bogie |
FIAT Bogie Full Form
Fabric Italina de automobile Torino
FIAT Bogie Parts
For better understanding we can divide FIAT bogie into following 7 parts:
- Bogie Frame
- Primary Suspension
- Secondary Suspension
- Wheel Set Assembly
- Disk Brake
- Traction Centre
- Cartridge Taper Roller Bearing
Bogie Frame
- Bogie Frame
- Cross Beam
Solid welded bogie frame made up of two longitudinal components connected by two cross beams. 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.
Primary Suspension
Primary Suspension consists of two steel coil springs (internal/external) laid out on the Control Arm upper part.
Secondary Suspension
Secondary Suspension consists of two spring packs which sustain the bolster beam over the bogie frame.
Wheel Set Assembly
It consists of two wheels press fitted to an axle.
Disc Brakes
The FIAT bogie is fitted with pneumatic disc brakes. The pneumatically operated brake cylinders are fitted with automatic device for taking up the clearances.
Traction Centre
The traction Centre transmits traction and braking forces between bogie frame and body by a traction lever on the bolster beam pin and two rods.
Cartridge Taper Roller Bearing
FIAT Bogie is fitted with 130 mm Cartridge type roller bearings.
FIAT Bogie Technical Data
| Wheel Dia (New) | 915 mm |
| Wheel Dia (Condemn) | 855 mm |
| Brake Disc Dia | 640 mm |
| Wheel Gauge (Distance Between Wheels) | 1600 mm |
| Wheel Base (Axle Distance) | 2560 mm |
| Length | 3534 mm |
| Width | 3030 mm |
| Weight | 6300 Kg |
Open Line Maintenance Schedules for FIAT Bogie
Schedule D1: Every Trip/Weekly
Schedule D2: Monthly ± 3 Days
Schedule D3: Half Yearly ± 15 Days