Ukunxitywa komphezulu wevalve, indlela yokulungisa uvavanyo loxinzelelo lwamanzi lwevalve iinkqubo zokusebenza ezikhuselekileyo

Ukunxitywa komphezulu wevalve, indlela yokulungisa uvavanyo loxinzelelo lwamanzi lwevalve iinkqubo zokusebenza ezikhuselekileyo

Emva kokusetyenziswa kwexesha elide levalve, indawo yokutywina yediski kunye nesihlalo siya kugqithwa kwaye ukuqina kuya kuncitshiswa. Ukulungisa umphezulu wokutywina ngumsebenzi omkhulu nobalulekileyo. Indlela ephambili yokulungiswa kukugaya. Kumphezulu ogutyungelwe kakhulu wokutywina, kuqala ukuvela emva kokujika ukusetyenzwa kwandule ukucola. I-valve yokusila iquka: inkqubo yokucoca kunye nokuhlola; Inkqubo yokusila
Emva kokusetyenziswa kwexesha elide levalve, indawo yokutywina yediski kunye nesihlalo siya kugqithwa kwaye ukuqina kuya kuncitshiswa. Ukulungisa umphezulu wokutywina ngumsebenzi omkhulu nobalulekileyo. Indlela ephambili yokulungiswa kukugaya. Kumphezulu ogutyungelwe kakhulu wokutywina, kuqala ukuvela emva kokujika ukusetyenzwa kwandule ukucola.
Ukusila iivalvu kubandakanya:
Inkqubo yokucoca kunye nokuhlola;
Inkqubo yokugaya;
Inkqubo yokuhlola.
Ukucoca kunye nenkqubo yokuhlola
Ukucoca indawo yokutywina kwi-oyile ye-oyile, sebenzisa i-ejenti yokucoca yobuchwephesha, uhlambe ngelixa ujonga umonakalo wokutywinwa kwendawo. Iintanda zeMicroscopic ekunzima ukuzibona ngeliso lenyama zinokuqhutywa ngokubonwa kwetint.
Emva kokucoca, i-disc okanye i-valve yesango kufuneka ihlolwe ukuqina kwendawo yokutywinwa kwesihlalo, usebenzisa obomvu kunye nepencil xa uhlola. Sebenzisa ukhokelo olubomvu ukuvavanya ubomvu, khangela indawo yokutywina, unqume indawo yokutywinwa kwendawo yokutywina; Okanye ngepensile kwidiski yevalve kunye nendawo yokutywinwa kwesitulo zoba izangqa ezimbalwa ze-concentric, kwaye emva koko idiski yevalve kunye nesitulo sivale ngokujikeleza, jonga isangqa sepensile icinyiwe, misela umphezulu wokutywina uvale.
Ukuba itywina AYILUNGANGA, IDISCI OKANYE UBUSO BESANGO KUNYE NOBUSO BOLIVE BODY BODY BUNOKUHLOLWA NGEPLEYITHI EMGANGATHO UKUMISA INDAWO YOKUSILA.
Inkqubo yokusila
Inkqubo yokugaya ngokuyisiseko yinkqubo yokusika i-lathe, i-pitting okanye umngxuma ubunzulu kwintloko ye-valve okanye isihlalo ngokuqhelekileyo ngaphakathi kwe-0.5mm, kwaye indlela yokugaya ingasetyenziselwa ukugcinwa. Inkqubo yokugaya ihlulwe ibe yi-coarse grinding, ukugaya okuphakathi kunye nokugaya okulungileyo.
Ukusila ngokurhabaxa kukuphelisa i-abrasion, indentation, point corrosion point kunye nezinye iziphene kumphezulu wokutywina, ukuze umphezulu wokutywina ufumane ukucaba okuphezulu kunye nomgangatho othile wokugqiba, kwaye ubeke isiseko sokusila umphezulu wokutywina.
Ukusila ngokucokisekileyo usebenzisa intloko yokusila okanye izixhobo zokusila isihlalo, ukusetyenziswa kwephepha lesanti erhabaxa okanye intlama yokusila erhabaxa, ubungakanani bamasuntswana angama-80 # -280 #, ubungakanani bamasuntswana arhabaxa, isixa esikhulu sokusika, ukusebenza okuphezulu, kodwa ingqolowa yokusika inzulu, ukutywinwa. umphezulu womphezulu urhabaxa. Ke ngoko, ukucola okurhabaxa okude nje iflethi ukususa intloko yevalvu okanye isihlalo sokungena.
Ukusila okuphakathi kukuphelisa iinkozo ezirhabaxa kumphezulu wokutywina kunye nokuphucula ngakumbi ukucaba kunye nokugqiba komphezulu wokutywina. Ukusetyenziswa kwephepha lesanti ecolekileyo okanye i-abrasive abrasive paste, ubukhulu bayo be-particle yi-280 # -W5, ubungakanani beqhekeza elincinci, ixabiso elincinci lokusika, lilungele ukunciphisa uburhabaxa; Ngelo xesha, isixhobo sokugaya esihambelanayo kufuneka sitshintshwe, kwaye isixhobo sokugaya kufuneka sihlambuluke.
Emva kokugaya, i-plane yoqhagamshelwano yevalve kufuneka ikhanyise. Ukuba usebenzisa ipensile ukudweba imigca embalwa kwintloko yevalve okanye esihlalweni, jika intloko yevalve okanye isihlalo kwisangqa sokukhanya, umgca wepensile kufuneka ucinywe.
Ukugaya okucokisekileyo yinkqubo yokusila ivalve, ikakhulu ukuphucula umphezulu wokutywina. Ukugaya okulungileyo kungasetyenziswa kwi-W5 okanye encinci encinci ye-micro fraction ehlanjululwe ngeoli, i-kerosene kunye nokunye, kunye nentloko yevalve ngokuchasene nesihlalo sevalve yokugaya, ngaphandle kwedrama, ehambelana ngakumbi kwindawo yokutywina yokuvala.
Ngokubanzi xa ujikela ngasekunene ujikeleze i-60-100 °, malunga ne-40-90 ° ukujikela kwelinye icala kwakhona, ngobunono okwethutyana, kuya kufuneka ujonge kube kanye, uhlale uqaqambile, kwaye kwintloko yevalvu kunye nesitulo sevalvu unokubona kakhulu. umgca ocolekileyo, umbala kumnyama omnyama, ngobunono kunye ne-oyile yokusila kwakhona amaxesha amaninzi, ngelaphu elicocekileyo lokusula inkonkxa ecocekileyo.
Emva kokugaya, ke ukuphelisa ezinye iziphene, oko kukuthi, kufuneka zihlanganiswe ngokukhawuleza, ukuze ungonakalisi intloko ye-valve yokugaya.
Ukusila ngesandla nokuba kurhabaxa okanye kucolekile, zihlala ngokuphakamisa, ukubeka phantsi; Ukujikeleza, ukubuyisela; Inkqubo yokugaya edibanisa ukucofa, ukubuyisela umva kunye neminye imisebenzi. Injongo kukuphepha ukuphindaphinda amathrekhi abrasive, ukwenza isixhobo sokugaya kunye nokutywinwa kwendawo kufumane ukugaya okufanayo, kunye nokuphucula ukucwangciswa kunye nokugqiba kwendawo yokutywina.
Inqanaba lokuhlola
KWINKQUBO yokugaya, inqanaba lokuhlola lihlala liqhuba, injongo yalo kukuqonda imeko yokugaya nanini na, yazi, yenza umgangatho wokugaya ukuhlangabezana neemfuno zobugcisa. KUFANELE kuqatshelwe ukuba i-valve EHLUKILEYO yokugaya kufuneka isetyenziswe ukulungelelanisa iindlela ezahlukeneyo zokutywinwa kwendawo yezixhobo zokugaya, ukwenzela ukuba kuphuculwe ukusebenza kakuhle kunye nokuqinisekisa umgangatho wokugaya.
Ukugaya i-valve ngumsebenzi oneenkcukacha kakhulu, kufuneka ube namava, uhlolisise, uphucule ekusebenzeni, ngamanye amaxesha ukugaya kakuhle kakhulu, kodwa emva kofakelo okanye ukuvuza kwamanzi okuvuza, oku kungenxa yokuba kwinkqubo yokugaya kukho ukucinga ngokuphambuka kokugaya, intonga yokugaya isandla hayi ngokuthe nkqo, i-skew, okanye isayizi yesixhobo sokucola Ukutenxa kwe-engile.
Ngenxa yokuba i-agent exutywe ngumxube we-abrasive kunye ne-abrasive liquid, kunye ne-abrasive liquid yi-kerosene jikelele kunye neoli. Ngoko ke, ukhetho oluchanekileyo lwee-abrasive agents ** ikhonkco eliphambili lukhetho oluchanekileyo lwe-abrasive.
Indlela yokukhetha i-valve abrasive ngokuchanekileyo?
Ialuminiyam oxide (>
I-Silicon carbide (SiC) I-Silicon carbide iluhlaza kwaye imnyama, ubunzima bayo buphezulu kune-alumina. I-silicon carbide eluhlaza ifanelekile ukugaya i-alloy eqinile; I-silicon carbide emnyama isetyenziselwa ukugaya izinto ezinqabileyo kunye nezinto ezithambileyo, ezifana nentsimbi, ubhedu, njl.
I-Boron carbide (B4C) ubulukhuni bungaphantsi komgubo wedayimane kwaye bunzima kune-silicon carbide, ubukhulu becala busetyenziselwa ukuthatha indawo yomgubo wedayimane wokusila i-alloy eqinile, ukucola umphezulu we-chrome-plated.
I-Chromium oxide (i-Cr2O3) i-chromium oxide bubunzima obuphezulu kunye ne-abrasive ecolekileyo kakhulu, intsimbi ecinyiweyo isoloko isetyenziselwa ukugqiba i-chromium oxide, ngokubanzi isetyenziselwa ukupolisha.
I-iron oxide (Fe2O3) i-iron oxide iphinda ibe yi-valve abrasive abrasive, kodwa ubunzima kunye nefuthe lokugaya libi kakhulu kune-chromium oxide, ukusetyenziswa okufanayo kunye ne-chromium oxide.
Umgubo wedayimani Icrystallization 磮 C, yi * *i-abrasive eqinile, intsebenzo yokusika ilungile, ilungele ngakumbi ukucola ialloyi eqinileyo.
Ukongezelela, ubungakanani be-particle abrasive (ubukhulu be-particle size) bunempembelelo e-**** ekusebenzeni kakuhle kokugaya kunye nobunzima bomhlaba. Ukusila okurhabaxa, iimfuno zoburhabaxa zevalve kumphezulu azikho phezulu, ukuze kuphuculwe ukusebenza kakuhle kokusila kufuneka kukhethe ukurhawuka okurhabaxa; Xa ugqiba, isibonelelo sokugaya sincinci, imfuno ye-workpiece surface roughness iphezulu, kwaye i-abrasive-grained abrasive ingasetyenziswa.
Ukutywina umphezulu orhabaxa wokusila ubungakanani bamasuntswana abrasive ngokubanzi 120 # ~ 240 #; Ukuchaneka ngu-W40 ~ 14.
Ivalve imodareyitha i-abrasive, ngokuqhelekileyo ngokongeza i-kerosene kunye ne-oyile yemoto ngokuthe ngqo kwi-abrasive. I-Abrasives elungiselelwe nge-1/3 ye-kerosene kunye ne-2/3 yeoli kunye ne-abrasive ifanelekile ukugaya i-coarse; Iibrasives ezenziwe nge-2/3 i-kerosene kunye ne-1/3 yeoli kunye ne-abrasive ingasetyenziselwa ukugqiba.
Xa ugaya i-workpiece enobunzima obuphezulu, umphumo wokusebenzisa i-abrasive agent ayifanelekanga. Ngalo mzuzu, i-lard ENOKUSEBENZISA I-3 abrassers UKUZE UKWENZA UKUFUDUMISA UKULUNGISA UKUHLANGANISA UKUNYUKA, UKWENZA I-PASTE EMVA KOKUPHOLISA, YONGEZA I-KEROSENE NGOKUFANELEKILEYO KWAKHONA XA USEBENZISA OKANYE IGASOLINE Ukulungelelanisa ngokulinganayo.
Ukukhetha isixhobo sokugaya
Idiskhi yevalve kunye nesihlalo sevalve sokutywinwa komphezulu ngenxa yemigangatho eyahlukeneyo yomonakalo, ayinakufundwa ngokuthe ngqo, kodwa ngenani elithile kunye neenkcukacha zediski yevalve yobuxoki (oku kukuthi intloko yokusila), isihlalo sevalve yobuxoki (oko kukuthi isihlalo sokugaya) ngokulandelelana kwivalve. isihlalo, ivalve disc ukugaya.
IINTLOKO YOKUSILA KUNYE NESIHLALO SOKUSIYA SIYA KWENZIWA NGESITYEBI ESIQHELEKILEYO ESIQHELEKILEYO OKANYE I-Iron ESIQHELEKILEYO KWAYE IYA KUBUHLUNGU OBUFANAYO NEEngile NJENGEdiski NESItulo esibekwe KWI-valve.
Ukuba ukugaya kwenziwa ngesandla, iintonga ezahlukeneyo zokugaya ziyafuneka. Intonga yokugaya kunye nesixhobo sokugaya kufuneka ihlanganiswe ngokufanelekileyo kwaye akufanele iguqulwe. Ukuze kuncitshiswe amandla okusebenza kunye nokukhawulezisa isantya sokugaya, umatshini wokugaya umbane okanye umatshini wokugaya i-vibration uhlala usetyenziswa.
Inkqubo yokhuseleko yovavanyo lwe-hydraulic yeevalvu
1. I-valve ethunyelwe kuvavanyo lwe-hydraulic ayivumelekanga ukuba ibe neentanda, iipores, i-dents, ukulungiswa kwe-valve stem ayivumelekanga ukuba ibe ne-xick phenomenon.
2. Iibholithi ezisetyenzisiweyo kunye namandongomane mazibalwe ukomelela kwaye zimakishwe ukuthintela ukubhideka.
3. Umsebenzi wovavanyo kufuneka ubotshelelwe kwisixhobo kwaye ungavunyelwa ukuba ubekwe ngokukhululekileyo. Haofm.com.q2G B V5vJ
4. Iibhanti zerabha okanye ezinye iipads elastiki ezisetyenziselwa ukuvavanya akufuneki zibe bumpy, layered, zikhululeke, okanye ziphulukane ne-elasticity.
5. Yenza uvavanyo loxinzelelo ngokuhambelana nemithetho yenkqubo yemveliso. Xa uxinzelelo luphakanyiswe ngaphezu koxinzelelo lokusebenza, akuvumelekanga ukujija i-nut, i-clamp isixhobo kunye nezinye iindawo kwicandelo.
6. I-cover cover kufuneka ihlangabezane neemfuno zamaxwebhu obugcisa kwaye iphumelele uvavanyo phambi kokuba isetyenziswe. Xa uxinzelelo lovavanyo ludlula i-25% yoxinzelelo olubaliweyo, aluvumelekanga ukuba lusetyenziswe.