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ASTM D6618-05
Standard Test Method for Evaluation of Engine Oils in Diesel Four-Stroke Cycle Supercharged 1M-PC Single Cylinder Oil Test Engine
Automaticky preložený názov:
Štandardná skúšobná metóda pre hodnotenie motorového oleja vo Diesel Four - cyklus mŕtvica preplňovaný 1M - PC jednovalec Oil skúšobný motor
NORMA vydaná dňa 1.11.2005
Informácie o norme:
Označenie normy: ASTM D6618-05
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.11.2005
Kód tovaru: NS-35908
Počet strán: 54
Približná hmotnosť: 162 g (0.36 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM D6618-05 :
Keywords:
diesel engines, heavy-duty performance, 1M-PC, ring belt deposits, single cylinder test, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Doplňujúce informácie
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The test method is designed to relate to high-speed, supercharged diesel engine operation and, in particular, to the deposit control characteristics and antiwear properties of diesel crankcase lubricating oils. The test method is useful for the evaluation of diesel engine oil quality and crankcase oil specification acceptance. This test method, along with others, defines the minimum performance level of the API categories CF and CF-2 (detailed information about passing limits for these categories is included in Specification D 4485). It is also used in MIL-PRF-2104. The results are significant only when all details of the procedure are followed. The basic engine used in this test method has a precombustion chamber (as compared to direct injection) and is most useful in predicting performance of engines similarly equipped. This factor should be considered when extrapolating test results. It has been found useful in predicting results with high sulfur fuels (that is, greater than 0.5 wt %) and with certain preemission controlled engines. It has also been found useful when correlated with deposit control in two-stroke cycle diesel engines. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This test method covers a four-stroke cycle diesel engine test procedure for evaluating engine oils for certain high-temperature performance characteristics, particularly ring sticking, ring and cylinder wear, and accumulation of piston deposits. Such oils include both single viscosity SAE grade and multiviscosity SAE grade oils used in diesel engines. It is commonly known as the 1M-PC test (PC for Pre-Chamber) and is used in several API oil categories, notably the CF and CF-2 and the military category described in MIL-PRF-2104 (see Note 0). Note 0Companion test methods used to evaluate other engine oil performance characteristics for API oil categories CF and CF-2 are discussed in SAE J304. The companion tests used by the military can be found in MIL-PRF-2104. 1.2 The values stated in either SI units or other units are to be regarded separately as the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other, without combining values in any way. 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. 1.3 This test method is arranged as follows: |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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