Road Vehicles - Wheels for Commercial Vehicles and Multipurpose Passenger Vehicles - Fixing Nuts - Test Methods

Standard:
Revised:
  • 2015-03-13
 
  • CURRENT
Publisher:
  • SAE International
Pages:
8
Scope:

This SAE Recommended Practice applies to fasteners/fixing nuts as specified in SAE J694 and SAE J1835 used for disc wheels and demountable rim attachment respectively. Only the test methods necessary to assure proper wheel or rim assembly are specified. Fasteners for less common and special applications are not included.

Rationale:

This SAE Recommended Practice provides the test methods for evaluating wheel/rim attachment systems using ball seat, flange or rim clamp fasteners (fixing nuts). The proof load values are calculated from the externally threaded fastener of grade 8 or class 10.9. In Table 2 the initial tension value B represents the minimum tension required to provide proper minimum joint performance. A new value, D final tension minimum, has been added to Table 2. These minimum tension values are an extension of the minimum tension line developed at value B. This ensures that the performance of the joint does not fall off as torque is increased. The retorque test has had the number of tests required increased from 5 to 10. The time between tests has been increased from 1 minute to 5 minutes to minimize the effects of heat increasing the lubricity of the motor oil.

History:
Standard Published Revision Status
J1965_201503 2015-03-13 Latest Revised
2008-10-31 Historical Reaffirmed
2003-06-13 Historical Reaffirmed
1997-12-01 Historical Revised
1993-02-01 Historical Issued
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