WHEEL, AXLE, AND RAIL STRESS PROBLEMS RELATED TO HIGHER CAPACITY CARS PART 1 AXLE PROBLEMS

This paper submits some fundamental considerations in the design of axles and propose two new axle designs of 72,000 and 80,000 pounds capacity. Larger axle design standardization must satisfy a wide range of car geometry factors such as (a) center of gravity height from 72 to 94 in and (b) wheel diameter ranging up through 40 in. The effect of these factors on axle capacity is shown by curves derived from the Reuleaux formula; serious deficiencies in this formula are also discussed. Other primary axle design factors presented are (c) wheel seat design (f) effect of switches, frogs, and crossings (e) effect of curved track (h) effect of flat spots and shellouts of wheel treads.

• Corporate Authors:

  American Society of Mechanical Engineers

  Two Park Avenue
  New York, NY  United States  10016-5990
• Authors:
  • Horger, O J
• Publication Date: 1963-11-21

Media Info

• Features: Figures; References; Tables;
• Pagination: 16 p.

Subject/Index Terms

• TRT Terms: Axles; Bending; Bending stress; Crossovers; Curved track; Defects; Fatigue (Mechanics); Fatigue (Physiological condition); Freight cars; Frogs (Railroads); Metal heating; Railroad cars; Railroad tracks; Shelling (Metals); Size; Stresses; Technology; Vehicle design; Velocity; Wheels; Wheelsets (Railroads)
• Uncontrolled Terms: Heat treatment; Switches
• Geographic Terms: United States
• Old TRIS Terms: Axle design; Axle fatigue; Flat wheels; Shelling; Shelling (Wheels); Wheel defects; Wheel size
• Subject Areas: Design; Railroads; Vehicles and Equipment;

Filing Info

• Accession Number: 00040215
• Record Type: Publication
• Report/Paper Numbers: Paper
• Files: TRIS
• Created Date: Jul 8 1994 12:00AM