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Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles
STANDARD published on 1.5.2014
Designation standards: ASTM D6121-14
Note: WITHDRAWN
Publication date standards: 1.5.2014
SKU: NS-33889
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
abrasive wear, adhesive wear, bearing failure, final drive axle, gear, gear failure, hypoid axle, L-37, lubricants, surface fatigue, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Significance and Use | ||||||||||||
5.1 This test method measures a lubricant's ability to protect final drive axles from abrasive wear, adhesive wear, plastic deformation, and surface fatigue when subjected to low-speed, high-torque conditions. Lack of protection can lead to premature gear or bearing failure, or both. 5.2 This test method is used, or referred to, in the following documents: 5.2.1 American Petroleum Institute (API) Publication 1560.5.2.2 STP-512A.9 5.2.3 SAE J308. 5.2.4 Military Specification MIL-PRF-2105E. 5.2.5 SAE J2360. |
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1. Scope | ||||||||||||
1.1 This test method is commonly referred to as the L-37 test.2 This test method covers a test procedure for evaluating the load-carrying, wear, and extreme pressure properties of a gear lubricant in a hypoid axle under conditions of low-speed, high-torque operation. 1.2 This test method also provides for the running of the low axle temperature (Canadian) L-37 test. The procedure for the low axle temperature (Canadian) L-37 test is identical to the standard L-37 test with the exceptions of the items specifically listed in 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3.1 Exceptions—In
1.4 This standard does not
purport to address all of the safety concerns, if any, associated
with its use. It is the responsibility of the user of this standard
to establish appropriate safety and health practices and determine
the applicability of regulatory limitations prior to use.
Nomenclature of Gear Tooth Failure
Modes MIL-PRF-2105E Lubricating Oil, Gear, Multipurpose Standard Practice for Using Significant
Digits in Test Data to Determine Conformance with
Specifications Standard Specification for Mineral
Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent) SAE J308 Information Report on Axle and Manual
Transmission Lubricants SAE J2360 Lubricating Oil, Gear Multipurpose
(Metric) Military Use |
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