List of railroad truck parts
A bogie or railroad truck holds the wheel sets of a rail vehicle.
Axlebox
An axle box, also known as a journal box in North America, are the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; they contain bearings and thus transfer the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rollingstock, or roller bearings on newer rollingstock. [1]
Plain bearings are now illegal for interchange service in North America.[2][3][4] As early as 1908 axle boxes contained a set of long cylindrical rollers allowing the axle to rotate.[5][6] It was also used on steam locomotives such as the Victorian Railways A2 class, the LMS Garratt, the LSWR 415 class, and the GCR Class 1.[5]
Center pin
A large steel pin—or rod—which passes through the center plates on the body bolster and truck bolster.[7] The truck turns about the pin, and stress is taken by the center plates.[7]
Center plate
One of a pair of plates which fit one into the other and support the car body on the trucks allowing them to turn freely under the car.[7] The one on the truck may also be called center bowl.[8]
Truck bolster
Each truck has a bolster—a transverse floating beam—between the side frames.[9] It is the central part of every truck on which the underframe of the railcar or railroad car is pivoted through the center pivot pin.[7][9]
Side bearing
There is one side bearing located on each sde of the centerplate on the truck bolster.
Image gallery
See also
- Axle track
- Ball bearings, replaced journal bearings for interchange
- Glossary of North American railway terms
- Glossary of rail transport terms
- ICF Bogie
- Roller bearings, replaced journal bearings for interchange
- Rotation around a fixed axis
- Stuffing box
- Timmis system, an early form of coil spring used on railway axles.
- Train wheel
- Wheelbase
- Wheelset
References
- "Railroad Dictionary: J". CSX.com. CSX Corporation. 2012. Archived from the original on 29 July 2014. Retrieved 15 November 2014.
- Car and Locomotive Cyclopedia 1969
- [httnoqp://www.columbuscastings.com/bolster_frames.html "AAR M-1003 Certified Truck Component Manufacturing"]. ColumbusCastings.com. Columbus, Ohio: Columbus Castings. Retrieved 19 November 2014.
- "General Information" (PDF). SCTCO.com. Standard Car Truck Company. January 2000. Archived from the original (PDF) on 4 March 2016. Retrieved 19 November 2014.
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ignored (help) - "The Evolution of Railway Axlebox Technology". Evolution. SKF. 7 December 2010. Retrieved 18 September 2014.
- "Glossary: A". Railway-Technical.com. Railway Technical Web Pages. 2014. Archived from the original on 7 October 2014. Retrieved 19 November 2014.
- "Railroad Dictionary: C". CSX.com. CSX Corporation. 2012. Archived from the original on 1 April 2015. Retrieved 15 November 2014.
- "APTA PR-CS-RP-003-98 Recommended Practice for Developing a Clearance Diagram for Passenger Equipment" (PDF). APTA.com. American Public Transportation Association. 26 March 1998. Archived from the original (PDF) on 26 June 2015. Retrieved 17 January 2015.
- "Railroad Dictionary: B". CSX.com. CSX Corporation. 2012. Archived from the original on 29 July 2014. Retrieved 15 November 2014.
Further reading
- US Army Field Manual FM 55-20, Figure 8-8, Department of the Army, Washington DC
- Car and Locomotive Cyclopedia 1970
- Forney, Matthias N. (1879). The Railroad Car Builder's Dictionary. Dover Publications.
- White, John H. (1978). The American Railroad Passenger Car. Baltimore, MD: Johns Hopkins University Press. ISBN 0801819652. OCLC 2798188.
- White, John H. Jr. (1993). The American Railroad Freight Car: From the Wood-Car Era to the Coming of Steel. Baltimore: Johns Hopkins University Press. ISBN 0-8018-4404-5. OCLC 26130632.