Standard Test Method for Cummins ISM TestName übersetzen
NORM herausgegeben am 1.7.2021
Bezeichnung normen: ASTM D7468-21
Ausgabedatum normen: 1.7.2021
Zahl der Seiten: 37
Gewicht ca.: 111 g (0.24 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
crosshead wear, Cummins ISM, de-rate protocols, diesel engine oil, exhaust gas recirculation, lubricants, oil filter delta pressure, sludge, top ring mass loss, valve train,, ICS Number Code 27.020 (Internal combustion engines),75.100 (Lubricants, industrial oils and related products)
|Significance and Use|
5.1This test method was developed to assess the performance of an engine oil to control engine wear and deposits under heavy-duty operating conditions selected to accelerate soot generation, valve train wear, and deposit formation in a turbocharged, aftercooled four-stroke-cycle diesel engine equipped with exhaust gas recirculation hardware.
5.2This test method can be used for engine oil specification acceptance when all details of this test method are in compliance. Applicable engine oil service categories are included in Specification .
5.3The design of the engine used in this test method is representative of many, but not all, modern diesel engines. This factor, along with the accelerated operating conditions needs to be considered when extrapolating test results.
1.1The test method covers a heavy-duty diesel engine test procedure conducted under high soot conditions to evaluate oil performance with regard to valve train wear, top ring wear, sludge deposits, and oil filter plugging in an EGR environment. This test method is commonly referred to as the Cummins ISM Test.
1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1ExceptionThe only exception is where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing sizes, or where there is a sole source of supply equipment specification.
1.3This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4Table of Contents:
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
|2. Referenced Documents|
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