Emva kweAMAVAVAVA EBHOLAisetyenziswe ixesha elide, indawo yokutywina yediski yevalve kunye nesitulo sevalve siya kunxitywa kwaye ukuxinana kuya kuncitshiswa.Ukulungisa umphezulu wokutywina ngumsebenzi omkhulu kwaye obaluleke kakhulu.Indlela ephambili yokulungiswa kukugaya.Kumphezulu wokutywina oguge kakhulu, ujonge ukuwelda kwaye ucole emva kokujika.

1 Inkqubo yokucoca kunye nokuhlola

Coca indawo yokutywina kwi-oyile ye-oyile, sebenzisa i-ejenti yokucoca yobuchwephesha, kwaye ujonge umonakalo wendawo yokutywina ngelixa uhlamba.Ukuqhekeka okucokisekileyo ekunzima ukukubona ngeliso lenyama kunokuqhutywa ngokubhaqwa kwesiphako.

Emva kokucoca, khangela ukuqina kwediski okanye i-valve yesango kunye nokutywinwa kwendawo yokuhlala.Sebenzisa ebomvu kunye nepensile xa ujonga.Sebenzisa isikhokelo esibomvu ukuvavanya ubomvu, jonga imbonakalo yomphezulu wetywina ukuze ubone ukuqina kwendawo yokutywina;okanye sebenzisa ipensile ukuzoba izangqa ezimbalwa kumphezulu wokutywina wediski yevalve kunye nesihlalo sevalve, kwaye ujikelezise idiski yevalve kunye nesitulo sevalvu ngokuqinileyo, kwaye ujonge isangqa sepensile Sula imeko ukuze uqinisekise ukuqina kwevalvu. indawo yokutywina.

Ukuba ukuxinwa akulunganga, ipleyiti eyisicaba esemgangathweni ingasetyenziselwa ukuhlola indawo yokutywina yediski okanye isango kunye nomgangatho wokutywina womzimba wevalvu ngokulandelelana ukumisela indawo yokusila.

2 inkqubo yokugaya

Inkqubo yokugaya ngokuyimfuneko yinkqubo yokusika ngaphandle kwe-lathe.Ubunzulu bomgodi okanye imingxuma emincinci kwintloko yevalve okanye isitulo sevalve ngokuqhelekileyo ingaphakathi kwe-0.5mm, kwaye indlela yokugaya ingasetyenziselwa ukugcinwa.Inkqubo yokugaya ihlulwe ibe yi-coarse grinding, i-intermediate grinding kunye nokugaya kakuhle.

Ukusila ngokurhabaxa kukuphelisa iziphene ezinje ngemikrwelo, i-indentations, kunye neendawo zokubola kumphezulu wokutywina, ukuze umphezulu wokutywina ufumane inqanaba eliphezulu lokucaba kunye nenqanaba elithile lokuguda, kwaye ubeke isiseko sokusila okuphakathi kokutywinwa. umphezulu.

Ukusila okurhabaxa kusebenzisa intloko yokusila okanye izixhobo zokusila isihlalo, kusetyenziswa isandpaper erhabaxa-grained okanye intlama yokusila erhabaxa, enobungakanani besuntswana le80#-280#, ubungakanani bamasuntswana arhabaxa, umthamo omkhulu wokusika, ukusebenza kakuhle okuphezulu, kodwa imigca yokusika enzulu kunye nokurhabaxa. indawo yokutywina.Ke ngoko, ukugawula ngokurhabaxa kufuna kuphela ukususa ngokutyibilikayo umngxuma wentloko yevalvu okanye isitulo sevalvu.

Ukusila okuphakathi kukuphelisa imigca erhabaxa kumphezulu wokutywina kunye nokuphucula ngakumbi ukuthambeka kunye nokuguda kwendawo yokutywina.Sebenzisa i-sandpaper ene-grained grained okanye i-fire-grained abrasive paste, ubukhulu be-particle 280 # -W5, ubukhulu be-particle buhle, ubungakanani bokusika buncinci, obunenzuzo ekunciphiseni uburhabaxa;ngelo xesha, isixhobo sokugaya esihambelanayo kufuneka sitshintshwe, kwaye isixhobo sokugaya kufuneka sihlambuluke.

Emva kokugaya okuphakathi, indawo yokudibanisa yevalve kufuneka ikhanye.Ukuba uzobe imivumbo embalwa kwintloko yevalve okanye kwisitulo sevalvu ngepensile, jija intloko yevalvu okanye isitulo sevalvu kancinci ujikeleze, kwaye ucime umgca wepensile.

Ukugaya okucokisekileyo yinkqubo yamva yokusila ivalve, ikakhulu ukuphucula ukuguda kwendawo yokutywina.Ukugaya kakuhle, kunokuhlanjululwa nge-oyile ye-injini, i-kerosene, njl.njl. nge-W5 okanye amaqhezu acikizekileyo, kwaye emva koko usebenzise intloko yevalve ukugaya isihlalo sevalve endaweni yedrama, ehambelana ngakumbi nokuqina kwendawo yokutywina.

Xa ugaya, yijike nge-clockwise malunga ne-60-100 °, uze uyiguqule malunga ne-40-90 ° kwelinye icala.Gcoba ngobunono ixesha elithile.Kufuneka ijongwe kube kanye.Xa ukugaya kuba kuqaqambile kwaye kubengezela, kunokubonwa kwintloko yevalvu kunye nesitulo sevalvu.Xa kukho umgca obhityileyo kakhulu kwaye umbala umnyama kwaye ugqamile, yihlikihle kancinci nge-oyile ye-injini amaxesha amaninzi kwaye uyisule nge-gauze ecocekileyo.

Emva kokugaya, phelisa ezinye iziphene, oko kukuthi, ukudibanisa ngokukhawuleza, ukuze ungonakalisi intloko ye-valve yomhlaba.

Ukusila ngesandla, kungakhathaliseki ukuba kugatywa okanye ukucolwa kakuhle, kuhlala kuqhuba inkqubo yokusila yokuphakamisa, ukwehlisa, ukujikeleza, ukubuyisela, ukucofa, kunye nokubuyisela umva imisebenzi.Injongo kukuphepha ukuphindaphinda umzila weenkozo ze-abrasive, ukwenzela ukuba isixhobo sokusila kunye nomgangatho wokutywina ube nomhlaba ofanayo, kwaye ukunyanzeliswa kunye nokugudiswa kwendawo yokutywinwa kunokuphuculwa.

Isigaba sokuhlola esi-3

Kwinkqubo yokugaya, inqanaba lokuhlola lihlala liqhutywa.Injongo kukugcina ulungelelaniso lwemeko yokugaya naliphi na ixesha, ukwenzela ukuba umgangatho wokugaya unokuhlangabezana neemfuno zobugcisa.Kufuneka kuqatshelwe ukuba xa ugaya iivalve ezahlukeneyo, izixhobo zokugaya ezifanelekileyo kwiifom ezahlukeneyo zokutywinwa kwendawo kufuneka zisetyenziswe ukuphucula ukusebenza kakuhle kunye nokuqinisekisa umgangatho wokugaya.

Ukugaya iValve ngumsebenzi ocokisekileyo, ofuna amava rhoqo, ukuphononongwa, kunye nokuphuculwa kokusebenza.Ngamanye amaxesha ukugaya kuhle kakhulu, kodwa emva kokufakela, kusavuza umphunga kunye namanzi.Oku kungenxa yokuba kukho intelekelelo yokuphambuka kokugaya ngexesha lokugaya.Intonga yokusila ayime nkqo, ijike, okanye i-engile yesixhobo sokusila iyaphambuka.

Ekubeni i-abrasive ingumxube we-abrasive kunye nolwelo lokusila, ulwelo lokusila yi-kerosene jikelele kunye ne-oyile ye-injini kuphela.Ngoko ke, isitshixo ekukhethweni okuchanekileyo kwee-abrasives kukhetho oluchanekileyo lwe-abrasives.

4Ungazikhetha njani iibrasives zevalve ngokuchanekileyo?

I-Alumina (AL2O3) I-Alumina, eyaziwa ngokuba yi-corundum, inobunzima obuphezulu kwaye isetyenziswa ngokubanzi.Ngokuqhelekileyo isetyenziselwa ukugaya izixhobo zokusebenza ezenziwe ngentsimbi, ubhedu, intsimbi kunye nentsimbi.

I-Silicon Carbide (SiC) I-Silicon carbide ifumaneka ngokuluhlaza kunye nomnyama, kwaye ubunzima bayo buphezulu kunobo be-alumina.I-silicon carbide eluhlaza ifanelekile ukugaya ii-alloys ezinzima;I-silicon carbide emnyama isetyenziselwa ukugaya izinto ezinqabileyo nezithambileyo, njengentsimbi etyhidiweyo kunye nobhedu.

I-Boron carbide (i-B4C) inobunzima besibini kuphela kwi-diamond powder kwaye inzima kune-silicon carbide.Ikakhulu isetyenziselwa ukufaka endaweni yomgubo wedayimane ukucola iialloyi eziqinileyo kunye nokusila iindawo eziqinileyo ezinechrome.

I-Chromium oxide (Cr2O3) I-Chromium oxide luhlobo lobunzima obuphezulu kunye ne-abrasive ecolekileyo ngokugqithisileyo.I-Chromium oxide isoloko isetyenziswa ekusileni kakuhle kwentsimbi eqinisiweyo, kwaye iqhele ukusetyenziselwa ukupolishwa.

I-iron oxide (Fe2O3) I-iron oxide iphinda ibe yi-valve abrasive abrasive, kodwa ukuqina kwayo kunye nomphumo wokusila kubi kakhulu kune-chromium oxide, kwaye ukusetyenziswa kwayo kufana ne-chromium oxide.

I-Diamond powder yi-crystalline stone C. I-abrasive enzima kunye nokusebenza kakuhle kokusika kwaye ifaneleke ngokukodwa ukugaya i-alloys enzima.

Ukongezelela, ubukhulu be-particle ye-abrasive particle size (i-particle size of abrasive) inefuthe elibalulekileyo ekusebenzeni kakuhle kokugaya kunye nokugqithisa komhlaba emva kokugaya.Xa ugaya ngokurhabaxa, uburhabaxa bomphezulu wevalve yokusebenza ayidingeki.Ukuze kuphuculwe ukusebenza kakuhle kokugaya, kufuneka kusetyenziswe i-abrasives-grained abrasives;ekusikeni okulungileyo, isibonelelo sokugaya sincinci kwaye i-surface roughness ye-workpiece iyadingeka ukuba ibe phezulu, ngoko ke i-abrasives ecocekileyo inokusetyenziswa.

Xa umphezulu wokutywina ugutyungelwe ngokurhabaxa, ubungakanani beenkozo ezirhabaxa ngokuqhelekileyo yi-120#～240#;Ukugaywa kakuhle, yi-W40～14.

Ivalve imodareyitha i-abrasive, ngokuqhelekileyo ngokongeza i-kerosene kunye ne-oyile ye-injini ngokuthe ngqo kwi-abrasive.I-abrasive exutywe ne-1/3 ye-kerosene kunye ne-2/3 ye-oyile ye-injini kunye ne-abrasive ifanelekile ukugaya i-coarse;I-abrasive exutywe ne-2/3 ye-kerosene kunye ne-1/3 ye-oyile ye-injini kunye ne-abrasive ingasetyenziselwa ukugaya okulungileyo.

Xa ukugaya ama-workpieces kunye nobunzima obuphezulu, umphumo wokusebenzisa i-abrasives ekhankanywe ngasentla ayifanelekanga.Ngeli xesha, iinxalenye ezintathu ze-abrasives kunye nenxalenye enye yengulube evuthayo ingasetyenziselwa ukudibanisa kunye, kwaye iya kwenza i-paste emva kokupholisa.Xa usebenzisa, yongeza i-kerosene okanye i-petroli kwaye udibanise kakuhle.

5 Ukukhethwa kwezixhobo zokugaya

Ngenxa yenqanaba elahlukileyo lomonakalo kwindawo yokutywinwa kwediski ye-valve kunye nesihlalo se-valve, azikwazi ukuphandwa ngokuthe ngqo.Endaweni yoko, inani elithile kunye neenkcukacha zeediski zevalve zobuxoki (oko kukuthi, iintloko zokusila) kunye nezihlalo zeevalvu zomgunyathi (oko kukuthi, izitulo zokusila) ezenziwe ngokukodwa kwangaphambili zisetyenziselwa ukujonga ngokulandelelana ivalve.Gaya isihlalo kunye nediski.

Intloko yokugaya kunye nesihlalo sokugaya zenziwe ngentsimbi eqhelekileyo yekhabhoni okanye intsimbi, kwaye ubukhulu kunye ne-angle kufuneka ilingane nediski yevalve kunye nesihlalo sevalve esibekwe kwivalve.

Ukuba ukugaya kwenziwa ngesandla, iintlobo ezahlukeneyo zokugaya ziyafuneka.Iintsimbi zokugaya kunye nezixhobo zokugaya kufuneka zidityaniswe ngokufanelekileyo kwaye zingajiki.Ukuze kuncitshiswe ukunyanzeliswa kwabasebenzi kunye nokukhawulezisa isantya sokugaya, iigrinder zombane okanye i-vibration grinders zihlala zisetyenziselwa ukugaya.