For gears larger than 3 m (10 feet) in diameter, construction ofgear blanks tend to be divided into cast steel, ductile iron, andforged rim welded web structures for use in cylindrical grindingmills and kilns. This paper will review the application, variousoptions formaterial selection, and the impact of selection on toothgeometry. A group of sample gears are developed to compare each ofthe materials and methods of blank construction. Each sample isdiscussed in light of structural stress, deflection, expected life,handling weight, material origin, fabrication method, inspectionrequirements during construction, and impact of selection on fieldperformance. Based on the above, a road map is developed listingcritical considerations and optimal use of each material and methodof construction in this application.
- Edition:
- 12
- Published:
- 10/01/2012
- Number of Pages:
- 14
- File Size:
- 1 file , 570 KB
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