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ASTM D6891-14
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IVA Spark-Ignition Engine
Automaticky přeložený název:
Standardní zkušební metoda pro vyhodnocení Automobilové oleje motoru v pořadí IVA zážehového motoruNORMA vydána dne 1.5.2014
Informace o normě:
Označení normy: ASTM D6891-14
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2014
Kód zboží: NS-36909
Počet stran: 45
Přibližná hmotnost: 135 g (0.30 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Anotace textu normy ASTM D6891-14 :
Keywords:
cam lobe wear, crankcase oils, lubricants, valve-train wear, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Doplňující informace
| Significance and Use | |
|
5.1 This test method was developed to evaluate automotive lubricant’s effect on controlling cam lobe wear for overhead valve-train equipped engines with sliding cam followers. 1.1 This test method measures the
ability of crankcase oil to control camshaft lobe wear for
spark-ignition engines equipped with an overhead valve-train and
sliding cam followers. This test method is designed to simulate
extended engine idling vehicle operation. The Sequence IVA Test
Method uses a Nissan KA24E engine. The primary result is camshaft
lobe wear (measured at seven locations around each of the twelve
lobes). Secondary results include cam lobe nose wear and
measurement of iron wear metal concentration in the used engine
oil. Other determinations such as fuel dilution of crankcase oil,
non-ferrous wear metal concentrations, and total oil consumption,
can be useful in the assessment of the validity of the test
results.1.2 The values stated in SI units
are to be regarded as standard. No other units of measurement are
included in this standard.
1.2.1 Exceptions—Where there is no direct SI equivalent such as pipe fittings, tubing, NPT screw threads/diameters, or single source equipment specified. 1.3 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. | |
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Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications |
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SAE J183 |
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Standard for Surface Texture (Surface Roughness, Waviness, and Lay) Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990. |
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M 328-95 |
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CEC-L-38-A-94 |
Peugeot TU-3M/KDX Valve-train Scuffing Wear Test Available from the Coordinating European Council for the Development of Performance Tests Transportation Fuels, Lubes, and other Fluids, Madou Plaza , 25 Floor Place, Madou B-1210, Brussels, Belgium. |
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