1、Designation:D 2882 00An American National StandardStandard Test Method forIndicating Wear Characteristics of Petroleum and Non-Petroleum Hydraulic Fluids in Constant Volume Vane Pump1This standard is issued under the fixed designation D 2882;the number immediately following the designation indicates
2、 the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers a constant volume high-pressu
3、re vane pump test procedure for indicating the wearcharacteristics of petroleum and non-petroleum hydraulic flu-ids.1.2 The values stated in SI units are to be regarded asstandard.The values in parentheses are for information only.1.3 This standard does not purport to address all of thesafety concer
4、ns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.For specific hazardstatements,see 6.1.3,7.1,7.2,7.3,7.4,and Note 7.2.Referenced Documen
5、ts2.1ISO Standards:2ISO 4021 Hydraulic Fluid PowerParticulate Contamina-tion AnalysisExtraction of Fluid Samples from Lines ofan Operating SystemISO 4406 Hydraulic Fluid PowerFluids-Method for Cod-ing Level of Contamination by Solids Particles3.Terminology3.1 Definitions of Terms Specific to This St
6、andard:3.1.1 flushing,vthe process of cleaning the test systembefore testing to prevent cross-contamination.3.1.2 torquing,vthe process of tightening the pump headbolts to achieve a uniform clamping force.4.Summary of Test Method4.1 An amount of 18.9 6 0.5 L(see Note 1)(5 6 0.13 gal)of a hydraulic f
7、luid are circulated through a rotary vane pumpsystem for 100 h at a pump speed of 1200 6 60 r/min and apump outlet pressure of 13.8 6 0.3 MPa(2000 6 40 psi).Fluidtemperature at the pump inlet is 66 6 3C(150 6 5F)for allwater glycols,emulsions,and other water-containing fluids andfor petroleum and sy
8、nthetic fluids of ISO Grade 46 or lighter.A temperature of 80 6 3C(175 6 5F)is used for all othersynthetic and petroleum fluids.NOTE1To improve reproducibility,fluid volume has been standard-ized in this revision of Test Method D 2882.4.2 The result obtained is the total mass loss from the camring a
9、nd the twelve vanes during the test.Other reported valuesare fluid cleanliness before and after the test,initial flow rate,and final flow rate.4.3 The total quantity of test oil required for a run is 26.5 L(7 gal).5.Significance and Use5.1 This test method is an indicator of the wear character-istic
10、s of petroleum and non-petroleum hydraulic fluids operat-ing in a constant volume vane pump.Excessive wear in vanepumps could lead to malfunction of hydraulic systems incritical applications.6.Apparatus6.1 The basic system consists of the following(see Fig.1):6.1.1 Twelve Hundred rpm AC Motor,or oth
11、er suitabledrive,with 11 kW(15 hp)as suggested minimum powerrequirement(see Fig.1,Item 5).6.1.2 Test Stand Base,with appropriate,rigid mounting forthe motor,pump,reservoir,and other components.6.1.3 Rotary Vane Pump,replaceable cartridge type,3,4Vickers 104C or 105C rated at 28.4 L/min(7.5 gal/min)f
12、lowat 1200 r/min with ISO Grade 32 fluid at 49C(120F),and 6.9MPa(1000 psi)(see Fig.1,Item 4;Fig.2;and Fig.3).(WarningThe test pump is rated at 6.9 MPa(1000 psi)butis being operated at 13.8 MPa(2000 psi).A protective shieldaround the pump is therefore recommended.)6.1.3.1 There are to be no modificat
13、ions to the pumphousing,such as plugging the drain hole in the pump body ordrilling and tapping a hole in the head for an external drain.1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products and Lubricants and is the direct responsibility of SubcommitteeD02.N on Hydr
14、aulic Fluids.Current edition approved April 10,2000.Published June 2000.Originallypublished as D 2882 70 T.Last previous edition D 2882 90(1996)e1.2Available from American National Standards Institute,11 W 42ndSt.,13thFloor,New York,NY 10017.3The replaceable cartridge consists of the cam ring,the ro
15、tor,two bushings,a setof twelve vanes,and an alignment pin.Two different cartridges are available for thispump.Cartridge No.429126 is intended to give better performance at 13.8 Mpa anduses Rotor No.429446 and Cam Ring No.574814.Cartridge No.912014 uses RotorNo.2008 and Cam Ring No.2013.Some users r
16、eport fewer pump failures whenusing Rotor No.2008.4The individual cartridge parts can be purchased separately,if desired.TheVickers part numbers for these items are Cam Ring No.2013 or 574814,Pin No.2020,Rotor No.429446 or 2008,Bronze Bushings Nos.2015 and 2016,and VaneKit(twelve vanes)No.912021.1Copyright ASTM,100 Barr Harbor Drive,West Conshohocken,PA 19428-2959,United States.6.1.4 Reservoir,(see Fig.1,Item 1),equipped with aremovable baffle and lid,all of stainless steel construction.Thereser