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Fatigue Test Procedures: Hubs and Wheels for Demountable Rims
- Ground Vehicle Standard
- J1095_201606
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing of wheels for demountable rims and hubs intended for normal highway use on trucks, buses, truck trailers, and multipurpose passenger vehicles. The hubs included have bolt circle diameters from 165.1 to 335.0 mm (6.500 to 13.189 in). It is up to each hub and/or wheel for demountable rims manufacturer to determine what test method, accelerated load factor and cycle life requirements are applicable to obtain satisfactory service life in a given application. When deviations from the procedures recommended herein are made, it is the responsibility of the hub and/or wheel for demountable rims developer to modify other parameters to obtain satisfactory service life.
Rationale
During the 5-year review, “test fixture adaptor plate” was made consistent in Figure 1 where the terms “test fixture adaptor plate” and “adaptor plate” were previously used. “slr” and “d” dimensions were referenced as “m(in)” where “mmx10-3 (in) was previously used. Table 3 data in “mm” was converted to “m” units. Table 1 added mounting system column and corrected hole pattern diameters, 8.000 corrected to 8.071 inch, Added row for 13.188 inch bolt circle. Removed 170mm bolt circle. Hub bolt circles are listed in units native to each mounting system. 17.15 was 17.16. Bottom note for plate stress was removed. Reference to SAE J694 dimensions was added. Equation 1 font now italics. 3.2.3 “Equation 1” removed from equation description. Table 2, note 2 was clarified to show dry torque meaning no additional lubricants from a fastener in new condition. Added section 2.1.2 for tire and rim association reference. Section 3.2.3, 3.3.3, and 3.3.4: S is defined as the “accelerated load factor” and was “test factor”. Note of table 1 was removed as being obsolete and unnecessary. Table 3 note for tire sizes not shown was reworded to match J267. Added “http://www.us-tra-org to bottom note. Table 4 was moved to section 3.3.4 and was in section 3.5. Cells of table 4 are merged and centered.
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Ground Vehicle Standard | Wheels/Rims - Military Vehicles Test Procedures and Performance Requirements |
Topic
Data Sets - Support Documents
Title | Description | Download |
---|---|---|
Unnamed Dataset 1 | ||
Table 1 | Test fixture adaptor dimensions | |
Unnamed Dataset 3 | ||
Table 2 | Mounting nut torques for laboratory wheel/rim tests | |
Table 3 | Static loaded radii for bending moment calculations | |
Table 4 | Typical “S” factors and cycle life for ferrous wheels |
Issuing Committee
The responsibility of the Truck and Bus Wheel Committee of the Truck and Bus Brake and Advanced Driver Assistance Systems Steering Committee is to initiate, develop, review and approve the recommended practices, standards, and information reports related to hubs, wheels and the wheel mounting systems of buses, trucks and tractor-trailer combinations intended for highway use. The Wheel Committee is constituted so as to be aware of other SAE wheel activity and to prevent duplication of effort.
Reference
Number | Title |
---|---|
J1835_201401 | Fastener Hardware for Wheels for Demountable Rims |
J393_201710 | Nomenclature - Wheels, Hubs, and Rims for Commercial Vehicles |
J694_201505 | Disc Wheel and Hub or Drum Interface Dimensions - Truck and Bus |
J851 | This document is not part of the subscrption. |
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