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ASTM D2273 standard test method for trace sediment in lubricating oils
ASTM D2273 standard test method for trace sediment in lubricating oils5. Apparatus5.1 Centrifuge, meeting all the safety requirements for normal use and capable of whirling two or more filled centrifuge tubes at a speed which can be controlled to give a relative centrifugal force (rcf) between 600 and ...
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ASTM D2273 standard test method for trace sediment in lubricating oils
ASTM D2273 standard test method for trace sediment in lubricating oils1. Scope1.1 This test method covers the determination of trace amounts (less than 0.05 volume %) of sediment in lubricating oils. Since oil-soluble material precipitated by the specified solvent is not intended as part of the measured ...
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ASTM D4170 test method for fretting wear protection by lubricating greases
ASTM D4170 test method for fretting wear protection by lubricating greases10. Report10.1 Report, as mean mass loss, the mean, to one-tenth mg, of the two mass losses determined in 9.10.11. Precision and Bias11.1 The precision of the mean mass losses as determined by the statistical examination of interlaboratory ...
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ASTM D4170 test method for fretting wear protection by lubricating greases
ASTM D4170 test method for fretting wear protection by lubricating greases9. Procedure9.1 In a dust-free environment, install the test grease in unused, cleaned, weighed bearings.9.1.1 Fill the ball tracks of the bearing races with the test grease. Use a suitable spatula to strike the grease level with ...
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ASTM D4170 test method for fretting wear protection by lubricating greases
ASTM D4170 test method for fretting wear protection by lubricating greases8. Bearing Preparation8.1 Grind a suitable set screw flat (approximate dimensions; 8 by 4 by 0.5 mm) on the periphery of each bearing race; flat must be square with face to prevent cocking of races when set screws are tightened.NOTE ...
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ASTM D4170 test method for fretting wear protection by lubricating greases
ASTM D4170 test method for fretting wear protection by lubricating greases6. Apparatus6.1 Falex Fretting Wear Tester, Model F-1581, as purchased and illustrated in Figs. 1 and 2.6.2 Spring Guide, conforming to description in Fig. 3, if not supplied with tester.6.3 Test Bearings, of the ball thrust type ...
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ASTM D4170 test method for fretting wear protection by lubricating greases
ASTM D4170 test method for fretting wear protection by lubricating greases4. Summary of Test Method4.1 The tester is operated with two ball thrust bearings, lubricated with the test grease, oscillated through an arc of 0.21 rad (12°), at a frequency of 30.0 Hz (1800 cpm), under a load of 2450 N (550 ...
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ASTM D4170 test method for fretting wear protection by lubricating greases
ASTM D4170 test method for fretting wear protection by lubricating greases1. Scope1.1 This test method evaluates the fretting wear protection provided by lubricating greases.1.2 The values stated in SI units are to be regarded as the standard. Other units are for information only.1.3 This standard does ...
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ASTM D2007 for characteristic groups in processing oils & petroleum-derived oils
ASTM D2007 for characteristic groups in processing oils & petroleum-derived oilsASTM D2007 standard test method for characteristic groups in rubber extender and processing Oils and other petroleum-derived oils by the clay-gel absorption chromatographic method10. Report10.1 Report the following information:10.1.1 ...
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ASTM D2007 for characteristic groups in processing oils & petroleum-derived oils
ASTM D2007 for characteristic groups in processing oils & petroleum-derived oilsASTM D2007 standard test method for characteristic groups in rubber extender and processing Oils and other petroleum-derived oils by the clay-gel absorption chromatographic method9. Calculation9.1 Calculate the amount ...
