BS 8465-2010 Hydraulic fluid power Monitoring the level of particulate contamination Comparison membrane technique《液压传动 颗粒污染级别的监控 比较膜技术》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationHydraulic fluid power Monitoring the level of particulate contamination Comparison membrane techniqueBS 84nullnullnullnullnullnullnullBS 8465:2010 BRITISH STANDARDnullublishing a

2、nd copyright informationThe BSI copyright notice displnullyed in this docnullnullent indicnulltes nullhen the docnullnullent nullnulls lnullst issnullednullnull BSI 2010ISBN nullnull8 0 580 54null25 0InullS null5null120The nullollonulling BSI renullerences relnullte to the nullornull on this stnulln

3、dnullrd: nullonullnullittee renullerence nullnullnullnull18 Drnullnullt nullor conullnullent 10nullnull012null4nullnull Dnullnullublication historynullirst pnullnulllished nullctonuller 2010nullmendments issued since publicationnullate nullenullt affected null BSI 2010 null iBS 8465:2010BRITISH STAN

4、DARDContentsnullorenullord iinull Introdnullction 1null Scope 1null Nornullnulltinulle renullerences 2null Ternulls nullnd denullnitions 24 nullrinciple 3null nullnullnullipnullent 4null nullhenullicnullls 6null nullrepnullrnulltion onull renullerence nullenullnullrnullne nulllters 78 nullrocednullr

5、es 7null Test report 11nullnnenullesAnnenull A nullinnullornullnulltinullenull Typicnulll nullornullsheet 12Annenull B nullinnullornullnulltinullenull nullotentinulll pronulllenulls nullssocinullted nullith prepnullring nullenullnullrnullne nulllters 13Binullliogrnullphy 14nullist of nullguresnullig

6、nullre 1 null Typicnulll conullpnullrison nullicroscope 6nullignullre Anull1 null Typicnulll nullornullsheet 12Summary of pagesThis docnullnullent conullprises null nullront conullernull nulln inside nullront conullernull pnullges i to iinull pnullges 1 to 14null nulln inside nullnullcnull conuller

7、nullnd null nullnullcnull conullernullBS 8465:2010ii null null BSI 2010BRITISH STANDARDnullorewordnullublishing informationThis British Stnullndnullrd is pnullnulllished nully BSI nullnd cnullnulle into enullnullect on null1 nullctonuller 2010null It nullnulls prepnullred nully Technicnulll nullonul

8、lnullittee nullnullnullnull18null Fluid power systems and componentsnull A list onull orgnullninullnulltions represented on this conullnullittee cnulln nulle onulltnullined on renullnullest to its secretnullrynullnullse of this documentIt hnulls nulleen nullssnullnulled in the prepnullrnulltion onul

9、l this British Stnullndnullrd thnullt the enullecnulltion onull its pronullisions nullill nulle entrnullsted to nullpproprinulltely nullnullnulllinulled nullnd enullperienced peoplenull nullor nullhose nullse it hnulls nulleen prodnullcednullnullresentational conventionsThe pronullisions onull this

10、stnullndnullrd nullre presented in ronullnulln nullinullenull nullprightnulltypenull Its nullethods nullre enullpressed nulls null set onull instrnullctionsnull null descriptionnullor in sentences in nullhich the principnulll nullnullnullilinullry nullernull is nullshnullllnullnullnullonullnullentnu

11、llrynull enullplnullnnulltion nullnd genernulll innullornullnulltinulle nullnullterinulll is presented in snullnullller itnulllic typenull nullnd does not constitnullte null nornullnulltinulle elenullentnullContractual and legal considerationsThis pnullnulllicnulltion does not pnullrport to inclnull

12、de nullll the necessnullry pronullisions onull null contrnullctnull nullsers nullre responsinullle nullor its correct nullpplicnulltionnullCompliance with a British Standard cannot confer immunity from legal obligationsnullnull BSI 2010 null 1BS 8465:2010BRITISH STANDARDnull nullntroductionIn hydrnu

13、llnulllic nullnullid ponuller systenullsnull ponuller is trnullnsnullitted nullnd controlled thronullgh null linullnullid nullnder pressnullre nullithin nulln enclosed circnullitnull The linullnullid is nulloth null lnullnullricnullnt nullnd ponullernulltrnullnsnullitting nulledinullnullnull The pre

14、sence onull solid pnullrticnulllnullte contnullnullinnulltion in the linullnullid internulleres nullith its nullnullility to lnullnullricnullte nullnd cnullnullses nullenullr to the conullponentsnull The enulltent onullcontnullnullinnulltion in the linullnullid hnulls null direct nullenullring on th

15、e pernullornullnullnce nullnd relinullnullility onull the systenull nullnd hnulls to nulle controlled to null lenullel nullpproprinullte nullor the systenull concernednull The lenullel onull pnullrticnulllnullte contnullnullinnulltion is nullsnullnulllly deternullined nully enulltrnullcting null lin

16、ullnullid snullnullple nullronull the hydrnullnulllic systenull nullnd nullnnulllynulling it nullor the nnullnullnuller onull pnullrticles nullt nullnullrionulls sinullesnullonullten in null lnullnullornulltorynullnullnullrticle conullnt nullnnulllysis renullnullires precision to nulloth onulltnulli

17、n null representnulltinulle snullnullple onull the linullnullid nullnd to nullnnulllyse the snullnullplenull ISnull stnullndnullrds hnullnulle nulleen denulleloped to linullit the errors in the nullnullrionulls processesnull The resnulllt onull pnullrticle conullnt nullnnulllysis is nullsnullnulllly

18、 connullerted into nullronulld contnullnullinnulltion clnullssesnull snullch nulls the BS ISnull 4406 systenullnull to sinullplinully the conullnullnullnicnulltion nullnd reporting onull this dnulltnullnull The internullnulll nulletnulleen indinullidnullnulll codes is nullsnullnulllly null donullnul

19、lling or null hnulllnulling onull the nnullnullnullers onull pnullrticlesnull The nullser cnulln then conullpnullre this nullronulld lenullel nullith thnullt nullhich is either nullsnullnulll nullor the systenull or is specinulled nullrenullnullired clenullnliness lenullel or Rnullnullnullnull The n

20、ullser onull the dnulltnull hnulls nulln inullnulledinullte nullnd sinullple nullienull onull honull clenulln or dirty the snullnullple is nullnd nullhether nullny correctinulle nullctions nullre necessnullry inull it is dirtier thnulln the Rnullnullnull Thnullsnull nullor snullnullples thnullt null

21、re nullnullch dirtier or clenullner thnulln the Rnullnullnullnullnullnullntitnulltinulle enullnulllnullnulltion onull the contnullnullinnullnt nullight not nulle renullnullirednull nullor snullch snullnullples nulln nullssessnullent onull the genernulll lenullel onull contnullnullinnulltion nullight

22、 snullnullnullcenull nullnd this cnulln onullnuller signinullcnullnt snullnullings in the period nulletnulleen tnullnulling the snullnullple nullnd onulltnullining the resnullltnullnull ScopeThis British Stnullndnullrd specinulles nullethods to nullssess the lenullel onullpnullrticnulllnullte contnu

23、llnullinnulltion in hydrnullnulllic linullnullids nullsing nulln opticnulll nullicroscopenull It inclnulldes nullssessnullent nully tnullo nullnullnnullnulll nullethods nullsing either trnullnsnullittednull or incidentnulllighting systenullsnull It nulllso inclnulldes procednullres nullor enullnulll

24、nullnullting nullnd controlling the nullccnullrnullcy onull the techninullnulle thnullt ensnullre reprodnullcinullle resnullltsnullThis nullethod is nullpplicnullnullle to nenullrly nullll hydrnullnulllic linullnullids nullt null nullide rnullnge onull contnullnullinnulltion lenullelsnull pronullide

25、d the snullnullples cnulln nulle nulllterednull Honullenullernullthe procednullre renullnullires nullodinullcnulltion nullor snullnullples thnullt nullre either henullnullily contnullnullinnullted nullenullgnull null ISnull nullnull20null1null nullccording to BS ISnull 4406null or lightly contnullnu

26、llinnullted nullnull ISnull nullnull12null10 nullccording to BS ISnull 4406nullnull nully decrenullsing or increnullsing the nullolnullnulle onull snullnullple nulllterednullThis procednullre is not nullpplicnullnullle to snullnullples thnullt hnullnulle high concentrnulltions onull snullnullll null

27、null null nullnullnull pnullrticles nullso cnulllled nullsiltnullnullnull gels or nullhere onullerlnullpping pnullrticles nullre present on the nullenullnullrnullne nulllternullThe nullethod detnulliled is null nullnullnulllitnulltinulle nullssessnullent onlynull not null nullnullnullntitnulltinulle

28、 enullnulllnullnulltionnull nullnd it is nullpplicnullnullle to nullll snullnullples nullhere the dnulltnull hnulls to nulle enullpressed in ternulls onull contnullnullinnullnt codesnullThis procednullre does not conuller procednullres nullor the enulltrnullction onull nullnullid snullnullples nullr

29、onull systenulls or nullnulllnull contnullinersnullBS 8465:20102 null null BSI 2010BRITISH STANDARDnull nullormative referencesThe nullollonulling renullerenced docnullnullents nullre indispensnullnullle nullor the nullpplicnulltion onull this docnullnullentnull nullor dnullted renullerencesnull onl

30、y the edition cited nullppliesnull nullor nullndnullted renullerencesnull the lnulltest edition onull the renullerenced docnullnullent nullinclnullding nullny nullnullendnullentsnull nullppliesnullBS 5540nullnull, Evaluating particulate contamination of hydraulic fluids nullart 3null nullethod of nu

31、llottling fluid samplesBS nullN ISnull 4null88null nullanulloratory glassware nullraduated measuring cylindersBS ISnull 4406null nullydraulic fluid power Fluids nullethod for coding the level of contamination nully solid particlesBS ISnull 440nullnull nullydraulic fluid power Fluid contamination nul

32、letermination of particulate contamination nully the counting method using an optical microscopeBS ISnull 55null8null Fluid power systems and components nullocanullularyBS ISnull 11500null nullydraulic fluid power nulletermination of the particulate contamination level of a linulluid sample nully au

33、tomatic particle counting using the lightnullenulltinction principlenull nullerms and denullnitionsnullor the pnullrposes onull this British Stnullndnullrdnull the ternulls nullnd denullnitions ginullen in BS ISnull 55null8 nullnd the nullollonulling nullpplynullnullnullnull blannull analysisdeternu

34、llinnulltion onull the enulltent onull contnullnullinnulltion introdnullced dnullring the nullnnulllysis stnullge nullronull other sonullrcesnull snullch nulls renullgentsnull inconullplete clenullning onull glnullssnullnullre nullnd prepnullrnulltion onull the nullenullnullrnullne nulllternullnulln

35、ullE For this determination, a memnullrane nulllter is prepared using nullltered solvent and is either counted in accordance with nullnull nullnullnull 44null7, or assessed using this standardnullnullnullnull effective nullltration area nullnullnullnullnullcircnulllnullr nullrenull onull the nullenu

36、llnullrnullne nulllter thnullt is open to nullonull dnullring nullltrnulltion onull linullnullidnullnullnullE nullnull nullnullnull 44null7 descrinulles a procedure for determining the effective nullltration areanullnullnullnull nullnullative liquid linullnullid thnulltnull nulls null resnulllt onul

37、l null henullt cnullring processnull cnullnullses null nullenullnullrnullne nulllter to nulldhere to the nullnullse glnullss slidenull resnulllting in nulln opnullnullnulle nullenullnullrnullne nulllternull nullSee BS ISnull 440nullnullnullnullnullnullE nullhis is only used if a permanent slide is r

38、enulluirednullnullnull4 nulleld monitornullenullnullrnullne nulllter prenullpnullcnulled into null protectinulle cnullse nullor insertion into snullnullpling enullnullipnullent nullsed to tnullnulle snullnullples nullronull pressnullrinulled linesnullnullnull gelshnullpeless nullnullterinulll thnull

39、t lnullcnulls denullnition nullnd internulleres nullith the nullenullsnullring process nully conullting or nully nullnullsnulling pnullrticlesnullnullnullE null gel is usually formed nully chemical reaction with the hydraulic or other linulluidsnullnull BSI 2010 null nullBS 8465:2010BRITISH STANDARD

40、nullnullnull gridded membrane nulllternullenullnullrnullne nulllter nullith onullerprinted snullnullnullres on its snullrnullnullce to nullssist nullith nullocnullsing in the incident light nullethod nullnullnull mountant liquidlinullnullid thnulltnull nulls null resnulllt onull the henullt cnullrin

41、g processnull cnullnullses null nullenullnullrnullne nulllter to nulleconulle trnullnspnullrent nullnd to nulldhere to the glnullss conuller slipnullnullnullE nullee nullnull nullnullnull 44null7nullnullnull8 required cleanliness level nullnullCnullnullclenullnliness lenullel thnullt is either speci

42、nulled or renullnullired nullor null specinullc hydrnullnulllic systenullnullnullnull reference membrane nulllternullenullnullrnullne nulllter specinulllly prepnullred to represent dinullnullerent clenullnliness lenullelsnullnullnullE 1 nullhis can nulle a permanent memnullrane nulllter in glass sli

43、des, digital images or photographsnullnullnullnullE 2 nulllause 7 and nullnull nullnullnull 44null7 descrinulle the preparation of reference memnullrane nullltersnullnullnullnullnull siltnullery snullnullll pnullrticles nullnull null nullnullnull present in the nullnullidnull onullten nullelonull th

44、e nullininullnullnull detection sinulle onull the techninullnulle nullsednull nullhich cnulln internullere nullith its enullnullectinulleness nully either onullscnullring pnullrticles or nully cnullnullsing coincidence enullnullectsnullnullnullE nullhese can nulle small wear particles or products of

45、 hydraulic linulluid degradationnullnullnullnullnull solventlinullnullid thnullt is physicnulllly nullnd chenullicnulllly conullpnulltinullle nullith nullnd nulliscinullle in the snullnullple linullnullidnullnullnullE null solvent is used for diluting the sample linulluid and can nulle used for clea

46、ning and rinsing the enulluipmentnull4 nullrincipleSolid pnullrticles nullre sepnullrnullted nullronull null linullnullid snullnullple nully nullnullcnullnullnull nullltrnulltion nullnd nullre deposited onto null nullenullnullrnullne nulllternull The lenullel onull contnullnullinnulltion is enullnul

47、llnullnullted nully conullpnullring the density onull pnullrticles nullith null series onull renullerence nullenullnullrnullne nulllters nullsing nulln opticnulll nullicroscopenull The clenullnliness lenullel onull the renullerence nullenullnullrnullne nulllter thnullt hnulls null pnullrticle concen

48、trnulltion thnullt is enullnullnulll to or inullnulledinulltely grenullter thnulln the snullnullple nullenullnullrnullne nulllter is tnullnullen nulls the clenullnliness lenullel nullor thnullt snullnullplenullnullnullnullnullnullnullnullnull This British Stnullndnullrd cnulllls nullor the nullse on

49、ull snullnullstnullnces nullndnullor procednullres thnullt cnulln nulle innullnullrionulls to henulllth inull nulldenullnullnullte precnullnulltions nullre not tnullnullennull It renullers only to technicnulll snullitnullnullility nullnd does not nullnullsolnulle the nullser nullronull legnulll onulllignulltions relnullting to henulllth nullnd snullnullety nullt nullny stnullgenullBS 8465:20104 null null BSI 2010BRITISH STANDARDnull nullquipmentnullnullnull nulleference memnullrane nullltersnull conullering the rnullnge onull contnullnullinnulltion enullpectednull The clen

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