Izihlalo zeStellite Valve: Ukukhethwa kwezinto eziphathekayo kunye nokuqwalaselwa kweSicelo 

Isishwankathelo: Funda indlela yokuvavanya izixhobo zokuhlala zevalve yeStellite, thelekisa iStellite 6 kunye neStellite 21, kwaye uchaze iimfuno zecandelo le-OEM.

Izihlalo zevalve ye-Stellite zisetyenziselwa ukufakwa kwevalvu efunwayo apho ukuxhathisa ukuguga, ukuxhathisa kwi-galling, ukusebenza komhlwa, kunye neemeko zokusebenza kufuneka ziqwalaselwe kunye. Ukukhetha i-alloy efanelekileyo kufuna okungaphezulu kokukhetha ibakala lezinto eziphathekayo: iinjineli nazo zifuna ukuvavanya indlela yokusebenza, iimeko zoqhagamshelwano, ubushushu, iimfuno zokutywinwa, kunye noyilo lwamacandelo.

I-Stellite 6 kunye ne-Stellite 21 zi-alloys ezimbini ezisekelwe kwi-cobalt ezineempawu ezahlukeneyo zokusebenza. I-Stellite 6 isetyenziselwa ngokubanzi ukuxhathisa ukunxitywa kwenjongo jikelele, ngelixa i-Stellite 21 yaziwa ngokuxhathisa i-galling kunye ne-metal-to-metal sliding sliding wear, kunye nokusebenza kwayo kwiindawo ezithile ezinzima. Ukhetho olufanelekileyo luxhomekeke kwindlela yokunxiba eyongameleyo kunye neyona meko yenkonzo. Bona ulwazi lobugcisa lwabavelisi beStellite 6 kunye neStellite 21.

Esi sikhokelo sichaza indlela iinjineli kunye namaqela okuthenga e-OEM anokuvavanya izixhobo zokuhlala zevalve ye-Stellite, thelekisa iinketho ze-alloy, kwaye ulungiselele iimfuno zecandelo lokuphononongwa komthengisi.

Ziziphi izitulo zeStellite Valve?

Indima yeSitulo seValve kwi-Industrial Valves

Isitulo sevalvu yindawo yokutywina apho into yokuvala ivalve, efana nediski, ibhola, okanye iplagi, yenza uqhagamshelwano. Ijometri yayo kunye nemeko yomhlaba ichaphazela amandla evalve ukulawula okanye ukuyeka ukuhamba kwamanzi.

Ngokuxhomekeke kuyilo lwevalve, isihlalo sinokufumana ukunxibelelana ngokuphindaphindiweyo, ukungqubana kwe-sliding, ukulayishwa koxinzelelo, utshintsho lobushushu, kunye nokuvezwa kwindlela yenkqubo. Ezi meko zinokufaka isandla ekunxibeni, ukonakala komhlaba, okanye ukuvuza.

Kwizicelo ezinyanzelisayo, isitulo sevalve sinokwenziwa kwi-alloy engagugiyo okanye sisebenzise umaleko okhuselayo wealloy kwi-substrate. Icandelo eliqinileyo-i-alloy kunye necandelo eliqinileyo zizisombululo ezahlukeneyo zokuvelisa, ngoko ke inkcazo kufuneka ichaze ngokucacileyo ukuba yeyiphi idizayini efunekayo.

Kutheni i-Stellite Alloys ithathelwa ingqalelo kwiZitulo zeValve

I-Stellite lusapho lwe-alloys esekwe kwi-cobalt ephuhliswe kwizicelo ezifuna indibaniselwano yokumelana nokunxiba, ukuxhathisa kwi-galling, kunye nokusebenza phantsi kweemeko ezifunwayo ze-thermal okanye zekhemikhali.

Iipropati zamabakala ngamnye zixhomekeke kukwakheka kweekhemikhali, i-microstructure, kunye nembali yokucubungula. Ukwahluka kumxholo we-carbide kunye nokubunjwa kwe-matrix kuchaphazela ukulingana phakathi kokumelana nokunxiba kunye nezinye iimpawu. Ngenxa yoko, iipropathi jikelele zosapho lakwaStellite akufuneki ziphathwe ngokufanayo kuwo onke amabanga.

I-Stellite 6 ichazwa ngumenzi wayo njenge-alloy-purpose-resistant alloy kunye nokusebenza kakuhle ngokubanzi. Izinto ezinxulumene ne-cobalt-based wear-resistant components ziquka Ingxubevange 6 bushings. Izicelo zayo ezibhaliweyo ziquka izihlalo zevalvu kunye namasango. I-Stellite 21 yaziwa ngokuxhathisa i-cavitation, i-galling, kunye ne-metal-to-metal sliding wear, kodwa ayikhuthazwa ukuba i-abrasion enzima kakhulu.

Lo mahluko wenza ukhetho lwe-alloy lube sisigqibo esikhethekileyo kwisicelo. Isihlalo esivezwe ikakhulu kuqhagamshelwano oluphindaphindiweyo lwentsimbi sibonisa ingxaki yokukhetha eyahlukileyo ukusuka kwindawo evezwe kumasuntswana abrasive okanye ulwelo olunobukroti bekhemikhali.

IiMeko eziPhambili zokuSebenza ezichaphazela uKhetho lweMathiriyeli

Inyathelo lokuqala ekukhetheni isihlalo sevalve yeStellite kukuchonga iimeko ezinokuthi zinciphise ukusebenza kwecandelo. Isixhobo esisebenza kakuhle kwindawo enye yenkonzo sisenokungafaneleki kwenye.

UkuNxitywa, ukuKhwatywa, kunye noQhagamshelwano oluPhindayo

Iindlela zokunxiba kufuneka zichongwe ngaphambi kokukhetha ibakala le-alloy.

• Intsimbi ukuya kwintsimbi yokutyibilika ukunxiba: Intshukumo ephindaphindiweyo phakathi kweendawo ezidityaniswayo inokuyonakalisa ngokuthe ngcembe into, ngakumbi apho ukuthambisa kulinganiselwe.
• I-Galling: Ukubambelela kwendawo kunye nokudluliselwa kwezinto phakathi kweentsimbi zokudibanisa kunokuphazamisa ukunyakaza kunye nokonakalisa i-interface yokutywinwa.
• I-Hard-particle abrasion: Amasuntswana aqinileyo avaleleke phakathi kwemiphezulu angakrwempa, asike, okanye asuse izinto.
• I-Erosion kunye ne-cavitation: Ukuhamba kwamanzi, impembelelo ye-particle, okanye i-cavitation-related-related effects zingonakalisa ngokuqhubekayo umphezulu.
• Imijikelo yokuhlala ephindaphindwayo: Ukuvula nokuvalwa rhoqo kunokuvelisa ukunxiba okuthe kratya kumdibaniso wonxibelelwano.

I-Stellite 6 ingumviwa oqhelekileyo wezicelo eziqhelekileyo zokunxiba kwaye ibhalwe njengento echasayo kwimpembelelo kunye ne-cavitation erosion. I-Stellite 21 ibaluleke kakhulu xa i-galling kunye ne-metal-to-metal sliding wear ibalulekile, kodwa ayikhuthazwa ukuba i-hard-particle abrasion.

Eyona ndlela yokusilela ibaluleke ngaphezu kwegama lemathiriyeli yodwa. Umzekelo, ivalve ephethe ulwelo olucocekileyo olunokudibana kwentsimbi ephindaphindiweyo inika iimfuno ezahlukeneyo ukusuka kwivalvu ephethe i-particle-laden slurry. Kwimeko yokugqibela, ubulukhuni besuntswana, ugxininiso, kunye nobukhulu bunokuba nefuthe ekukhetheni izinto.

Iinjineli kufuneka kwakhona zivavanye umphezulu wokukhwelana. Imathiriyeli yayo, ukuqina, ukugqitywa komphezulu, kunye nejometri inokuphembelela indlela yokuziphatha kwesibini sokutywina esipheleleyo.

Ukonakala kunye nokuhambelana kolwelo

Inkqubo ephakathi yenye into ebalulekileyo ekukhetheni isihlalo sevalve.

Ivalve isenokuba sesichengeni samanzi, umphunga, iihydrocarbons, iikhemikhali zenkqubo, iigesi ezidliwayo, okanye imixube equlethe izinto ezinyibilikisiweyo nezingcolisi eziqinileyo. Ezi meko zinokuchaphazela izinto zokuhlala, i-substrate yayo, kunye ne-interface phakathi komgangatho wokukhusela kunye necandelo elingaphantsi.

Amanqanaba e-Stellite aneempawu ezahlukeneyo zokubola. I-Stellite 21, umzekelo, i-cobalt-chromium-molybdenum alloy, ngelixa i-Stellite 6 iqulethe i-tungsten kwaye inomxholo ophezulu wekhabhoni. Le yantlukwano yokuhlanganisa igalelo kwiiprofayili zabo zokusebenza ezahlukeneyo, kodwa ukubunjwa kukodwa akumiseli ukuhambelana nolwelo oluthile.

Ngaphambi kokuchaza ibakala, iinjineli kufuneka zibhale:

• Inkqubo ephakathi kunye nokwakheka kweekhemikhali ezifanelekileyo.
• Ungcoliseko olwaziwayo kunye nokugxininiswa kwazo.
• Ubushushu bokusebenza kunye noxinzelelo.
• Nokuba imeko iyatshintsha ngexesha lokuqalisa, ukuvala, okanye ukucocwa.
• Ubukho beediphozithi okanye izinto eziqinileyo ezimisiweyo.
• Naziphi na izithintelo zemathiriyeli okanye iimfuno ezithe ngqo kwisicelo.

Inkcazo jikelele efana "ne-corrosion-resistant" ayanelanga ukubonisa ukufaneleka kwenkqubo ethile. Apho okusingqongileyo kunobundlongondlongo bekhemikhali, izinto ezicetywayo kufuneka zitshekishwe ngokuthelekiswa namaxwebhu obugcisa asebenzayo kunye neemeko zenkonzo.

Ubushushu, uxinzelelo, kunye nokuHamba ngeBhayisikile ngeThermal

Iqondo lobushushu lichaphazela impatho yempahla, ubudlelwane bobukhulu, kunye nokusebenza kojongano lokutywina lwevalvu. Uxinzelelo luchaphazela imithwalo yemishini esebenza kwisihlalo kunye neendawo zayo zokudibanisa.

Ukufudumeza okuphindaphindiweyo kunye nokupholisa kunokuvelisa utshintsho lwe-dimensional kunye noxinzelelo lwe-thermal, ngakumbi xa isihlalo kunye necandelo laso elixhasayo zineempawu ezahlukileyo.

Xa uvavanya isitulo sevalve yeStellite, qwalasela:

• Ubushushu obuqhelekileyo bokusebenza kunye noluhlu olulindelekileyo lobushushu.
• Ubuncinci kunye namaqondo obushushu aphezulu ngexesha lokuqalisa, ukuvala, kunye nokusebenza okungaqhelekanga.
• Uxinzelelo lokusebenza kunye neziphumo zemithwalo yemishini.
• Ubuninzi kunye nobukhulu bemijikelezo ye-thermal.
• Umahluko ekwandisweni kwe-thermal phakathi kwesihlalo, i-substrate, kunye necandelo lokukhwelana.
• Iziphumo zobushushu ekunxityweni, ukubola, kunye nokusebenza kokutywinwa.

I-Stellite 6 ibhalwe njengokugcina ubulukhuni obuluncedo kumaqondo obushushu aphakamileyo, ngelixa iStellite 21 iphawulwa ngokuchasa ukothuka kwe-thermal kunye noomatshini. Ezi mpawu ziqhelekileyo azimiseli ukufaneleka kwayo yonke i-valve ephezulu yobushushu okanye i-high-pressure valve. Isigqibo sokugqibela kufuneka sichaze uyilo olupheleleyo lwevalvu kunye nemvulophu yokusebenza echaziweyo.

IiMfuno zokutywinwa kunye nokuhambelana kobuso

Ukumelana nokunxiba kukodwa akuqinisekisi ukutywinwa okuthembekileyo. Isihlalo sevalve kufuneka sigcine ijometri yoqhagamshelwano efunekayo kunye nemeko yomhlaba wonke ebomini bayo benkonzo.

Ingqwalasela ebalulekileyo yoyilo ibandakanya imilinganiselo yesitulo, ububanzi boqhagamshelwano, ukugqitywa komphezulu, ukulungelelaniswa, kunye nobudlelwane phakathi kwesihlalo kunye nomphezulu wokutywina ochasayo.

Iinjineli kufuneka zivavanye izinto ezine eziphambili:

1. Ukusebenza okufunekayo kokutywinwa: Chaza imigaqo esebenzayo yokuvuza kunye neemeko zovavanyo.
2. Ijometri yoqhagamshelwano: Qinisekisa iprofayile yesitulo, imilinganiselo, kunye nendawo yoqhagamshelwano efunwa luyilo lwevalvu.
3. Izinto zokukhwelana: Jonga ukuhambelana phakathi kwesihlalo kunye nediski, ibhola, iplagi, okanye enye icandelo lokunxibelelana.
4. Ukugqitywa komphezulu kunye nokuzinza komda: Misela iimfuno zokugqiba kwaye uqwalasele iziphumo zokwenza, ubushushu, kunye nokulayisha.

Umphezulu ochasayo ufanelwe ingqalelo ekhethekileyo. Ukukhetha isihlalo esingagugiyo ngaphandle kokuphonononga icandelo lokukhwelana kunokushiya isibini esitywiniweyo esipheleleyo sisengozini yokukrala, ukunxitywa okungalinganiyo, okanye ukuvuza.

Apho isihlalo sisebenzisa ubuso obuqinileyo, iinkcukacha kufuneka zijongane nobudlelwane phakathi kwealloyi ediphozithiweyo kunye nesiseko semathiriyeli. Iimfuno zomaleko ogqityiweyo, umatshini, kunye nokuhlolwa kufuneka kuvunyelwene phambi kokuveliswa.

I-Stellite 6 vs. I-Stellite 21 ye-Valve Seat Applications

I-Stellite 6 kunye ne-Stellite 21 zombini zi-alloys ezisekelwe kwi-cobalt, kodwa iimpawu zabo ziyahluka ngeendlela ezinokuchaphazela ukusebenza kwesihlalo sevalve. Uthelekiso olungezantsi lushwankathela iimpawu eziqhelekileyo ezibhalwe ngumvelisi we-alloy. Yenzelwe ukukhokela uvavanyo lokuqala, hayi ukuthatha indawo yophononongo lobunjineli obuthile.

Umahluko kwiiMpawu zeMathiriyeli

Itheyibhile ayiqinisekisi ukuba nokuba yingxubevange ingcono ngokwamanqanaba. Ukusebenza kuxhomekeke kwiimeko zenkonzo, uyilo lwecandelo, ifom yemathiriyeli, kunye nendlela yokucubungula.

IiMeko zeSicelo ziyichaphazela njani uKhetho lweBanga

Inkqubo yokhetho eyenziwayo iqala ngeemfuno zentsebenzo ezibaluleke kakhulu.

Xa ukunyanzeliswa kokunxiba ngokubanzi kuyimfuno ephambili

I-Stellite 6 inokuba ngumviwa ofanelekileyo wovavanyo lokuqala ngenxa yokuba isetyenziselwa ukhuseleko lokunxiba ngokubanzi kwaye ibhalwe kwizicelo zesitulo sevalvu. Isigqibo kufuneka siphinde siqwalasele ubunzima bokunxiba, indawo yokukhwelana, kunye nobomi obufunekayo bokusebenza.

Xa i-galling kunye ne-metal-to-metal sliding yinkxalabo enkulu

I-Stellite 21 ifanelwe ukuqwalaselwa ngenxa yokuchasa kwayo okubhaliweyo kwi-galling kunye nentsimbi ukuya kwintsimbi yokutyibilika. Nangona kunjalo, ukuba i-valve ikwalawula ubuninzi be-particle abrasive abrasive, olo ncedo akufanele lutolikwe njengobungqina bokufaneleka kwesicelo esipheleleyo.

Xa ukubola kuchaphazela ukhetho lwezinto

I-chemistry ye-fluid yangempela kufuneka ikhokele uthelekiso. Zombini i-alloy grade kunye nezinto ezijikelezileyo zecandelo kufuneka zivavanywe ngokuchasene nendawo echaziweyo, ubushushu kunye neemeko zokusebenza. Ukuba ukuhambelana akuqinisekanga, fumana isicelo-specific ingcebiso yobugcisa phambi kokuba wamkele imathiriyeli.

Xa ibhayisekile ye-thermal okanye impembelelo ibalulekile

Hlaziya zombini ubushushu obuqhelekileyo bokusebenza kunye neemeko ezidlulayo. I-Stellite 21 ibhalwe ukuchasana nokutshatyalaliswa kwe-thermal kunye ne-mechanical, ngelixa i-Stellite 6 inokumelana kakuhle nempembelelo kunye nokuguguleka kwe-cavitation. Ezi yingqwalasela yokusebenza eyahlukileyo, ngoko ke indlela efanelekileyo yokulayisha kufuneka ichongwe ngaphambi kokuba kuthathwe isigqibo.

Kwizicelo ezifunayo, ukhetho lokugqibela lunokufuna idatha yobugcisa bomvelisi, uphononongo lobunjineli, okanye uvavanyo phantsi kweemeko zenkonzo yommeli.

Imibuzo omawuyibuze phambi kokukhetha iBanga

Ngaphambi kokuqinisekisa isitulo sevalve yeStellite, iinjineli kufuneka ziphendule le mibuzo ilandelayo:

• Yeyiphi eyona ndlela ibalaseleyo yomonakalo: ukutyibilika, ukukrala, ukukrazuka, ukhukuliseko, umhlwa, okanye indibaniselwano?
• Ngawaphi amaqondo obushushu okusebenza aqhelekileyo kunye nethutyana kunye noxinzelelo?
• Loluphi ulwelo okanye igesi edibana nesitulo, kwaye zeziphi izinto ezingcolisayo ezikhoyo?
• Yeyiphi imathiriyeli kunye nokugqiba komgangatho ochaziweyo wecandelo lokukhwelana?
• Ngaba uyilo lusekelwe kwi-solid-alloy component okanye i-hardfaced substrate?
• Yeyiphi imilinganiselo, ukunyamezela, kunye neemfuno zokutywinwa ezibalulekileyo?
• Zeziphi iirekhodi zokuhlolwa, ukuchongwa kwezinto eziphathekayo, okanye amaxwebhu ovavanyo afunekayo?

Le mibuzo inceda ekufumaniseni ukuba ngaba ibakala lomfundi lifanelekile na phambi kokuba kugqitywe ukuzoba, ikowuteshini, kunye nenkqubo yokuvelisa.

Ukuqwalaselwa koMveliso kunye noMgangatho weZitulo zeStellite Valve

I-alloy efanelekileyo yindawo enye kuphela yesitulo esithembekileyo sevalve. Indlela yokwenziwa kwemveliso kunye nokuhlolwa kokugqibela nako kuchaphazela ukuba icandelo eligqityiweyo liyahlangabezana neemfuno zalo zobukhulu kunye nokusebenza. Iinkqubo ezithile ezikhoyo zixhomekeke kuyilo lwamacandelo, ifom yemathiriyeli efunekayo, kunye nobuchule bomthengisi.

Uyilo lwaMalungu kunye neeMfuno zoMda

Umzobo kufuneka uchaze iimpawu ezichaphazela ukufaneleka, ukudibanisa, kunye nokusebenza kokutywinwa.

Ngokuxhomekeke kuyilo, ezi zinokubandakanya:

• Imilinganiselo ngokubanzi kunye needayamitha ezibalulekileyo.
• Iprofayili yesihlalo kunye nejometri yokutywina.
• Ukunyuka kunye nokufumana iimpawu.
• Unyamezelo olufunekayo kunye neereferensi zedatum.
• Imilinganiselo egqityiweyo emva kokwaleka, ukubeka, okanye ukwenziwa ngomatshini, apho kufanelekileyo.
• Ibakala lemathiriyeli kunye nefom yezinto ezifunekayo.
• Ukuhlolwa kunye neemfuno zokwamkelwa.

Kwisihlalo esinobuso obunzima, umzobo okanye ukucaciswa okuhambelanayo kufuneka kucacise ukuba yeyiphi imilinganiselo ebhekiselele kwicandelo lesiseko kwaye libhekisela kwinxalenye egqityiweyo. Kufuneka kwakhona ichaze naziphi na iimfuno zomaleko okhuselayo kunye nomphezulu wokutywina wokugqibela.

Amaxwebhu acacileyo anceda ekunciphiseni ukungafihli ngexesha lokucaphula, ukucwangciswa kwemveliso, kunye nokuhlolwa kokugqibela.

Machining kunye Surface Gqiba

I-cobalt-based wear-resistant alloys ifuna iindlela ezifanelekileyo zomatshini kunye nezixhobo zokusebenza. Indlela abaziphatha ngayo iyahluka ngokwebakala nakwimeko yezinto eziphathekayo.

I-Stellite 21 inokusebenza nzima ngexesha lokunxiba kwaye nangexesha lomatshini, ukwenza izixhobo ezifanelekileyo kunye nobuchule bomatshini bubalulekile. I-Stellite 6 nayo ibhalwe njenge-machinable kunye ne-carbide tooling kwiifom ezifanelekileyo eziphathekayo.

Kwizihlalo zevalvu, ukucwangciswa komatshini kufuneka kucwangciswe ngokweemfuno zokusebenza zokugqibela endaweni yokuthotyelwa komlinganiselo wodwa. Iingqwalasela ezibalulekileyo ziquka:

• Ukufezekisa iprofayili echaziweyo kunye nokunyamezela.
• Ukugcina umphezulu wokutywina ofunekayo.
• Ukuphepha umonakalo kwindawo esebenzayo ngexesha lokugqiba.
• Ubalo-mali lwemeko yemathiriyeli kunye nemisebenzi yangaphambili yokuvelisa.
• Ukuqinisekisa ijometri yokugqibela emva kwayo yonke inkqubo efunekayo.

Apho i-alloy layer ekhuselayo isetyenziswe kwi-substrate, umatshini kunye nezicwangciso zokugqiba kufuneka ziphendule imilinganiselo yomaleko ofunekayo kunye noyilo lwamacandelo angaphantsi. Ulandelelwano oluchanekileyo kufuneka lugqitywe kumzobo, ifom yempahla, kunye nendlela yokuvelisa.

IiMfuno zokuHlola kunye nokuVunywa

Iimfuno zokuhlola kufuneka kuvunyelwane ngazo phambi kokuveliswa, ngakumbi xa izihlalo zevalvu zisetyenziselwa inkonzo ebalulekileyo.

Ayizizo zonke izinto eziyimfuneko kwisitulo ngasinye sevalvu. Isicwangciso sokuhlola kufuneka sibonise uyilo, ukubaluleka kwenkonzo, imigangatho esebenzayo, kunye neemfuno zabathengi.

Umzekelo, uhlolo lwe-dimensional lulodwa alubonisi ukuba ivalve iya kuhlangabezana nemfuno echaziweyo yokuvuza. Ukuba uvavanyo olusebenzayo luyafuneka, indlela yokuvavanya, iimeko, kunye neendlela zokwamkelwa kufuneka zichazwe ngokwahlukileyo.

Isiqinisekiso sezinto eziphathekayo, uviwo olungonakalisi, kunye nokulandelelwa akufanele kuthathwe ukuba kufakwe kwi-scope esemgangathweni yomthengisi. Umthengi kufuneka achonge amaxwebhu afunekayo kwaye aqinisekise ukufumaneka kwawo phambi kokuba afake iodolo.

Ungasichaza njani iSitulo seValve yeStellite kuMyalelo weOEM

Isicelo esicacileyo sekowuti (RFQ) inceda ababoneleli bavavanye icandelo kwaye banciphise umngcipheko wokucingelwa ngendlela engafanelekanga malunga nemathiriyeli, ukuveliswa kunye nokuhlolwa.

Chaza iNdawo yokuSebenza

Qala ngokubhala phantsi iimeko apho isihlalo sevalvu siya kusebenza.

Bandakanya, apho kufanelekileyo:

• Inkqubo yokwakheka kweekhemikhali eziphakathi kunye nezifanelekileyo.
• Ubushushu obuqhelekileyo, obuncinci, kunye nobuninzi bokusebenza.
• Uxinzelelo oluqhelekileyo kunye nobuninzi bokusebenza.
• Imijikelo elindelekileyo yokuvula nokuvala.
• Ukunxitywa okwaziwayo, ukubola, ukhukuliseko, okanye imiba yenyongo.
• Ubomi benkonzo obufunekayo okanye uqwalaselo lolondolozo.
• Iikhowudi zoyilo ezisebenzayo, izithintelo zezinto eziphathekayo, kunye neenkcukacha zabathengi.

Ukuba icandelo lithatha indawo yesihlalo esikhoyo, nikezela ngembali yenkonzo kunye nemowudi yokusilela xa ikhona. Ubungqina beyona ndlela yomonakalo inokunceda ukwahlula phakathi kwengxaki yezinto eziphathekayo, umba woyilo, kunye nengxaki yemeko yokusebenza.

Kuphephe ukukhetha ibakala kuphela kuba belisetyenziswe kwivalvu efanayo. Umahluko kwikhemikhali yamanzi, ukulayisha, ijometri yoqhagamshelwano, kunye nemijikelezo yokusebenza kunokutshintsha iimfuno.

Lungiselela imizobo kunye neeMfuno zeCandelo

Ukubonelela ngomzobo wobunjineli wangoku okanye iseti epheleleyo yeenkcukacha zecandelo.

Iphakheji yeRFQ kufuneka ichonge:

• Imilinganiselo yenxalenye kunye nohlaziyo lomzobo.
• Ibakala lezinto eziphathekayo kunye nezinye iindlela ezamkelekileyo, ukuba zikhona.
• Ingaba isihlalo siyinxalenye eqinileyo okanye inxalenye enzima.
• Ukugqitywa komphezulu ofunekayo kunye nokunyamezela okubalulekileyo.
• Imathiriyeli yecandelo lokukhwelana kunye neemfuno zoqhagamshelwano ezifanelekileyo.
• Ubuninzi bolandelelwano kunye nepateni yokulandelelana elindelekileyo, apho kwaziwa khona.
• Ukupakishwa, ukuchongwa, kunye neemfuno zokulandeleka.

Ukuba uyilo luvumela umthengisi ukuba acebise enye indlela yokuvelisa okanye ibakala lengxubevange, chaza oko ngokucacileyo. Ukuba ibakala lemathiriyeli linyanzelekile, lichonge njengemfuno emiselweyo.

Lo mahluko ubalulekile kuba enye indlela inokuchaphazela amanyathelo okuvelisa, iimfuno zokuhlolwa, iimfuno zesiqinisekiso, kunye nokuhambelana noyilo olukhoyo lwevalvu.

Qinisekisa iBanga leMathiriyeli kunye noxwebhu

Inkcazo yezinto eziphathekayo kufuneka ichonge i-alloy efunekayo ngokungathandabuzekiyo.

Xa kuqwalaselwa iStellite 6 okanye iStellite 21, qinisekisa ibakala ngokuthelekisa namaxwebhu obugcisa asebenzayo. Qinisekisa kwakhona ifom yemathiriyeli efunekayo kunye nendlela yokuvelisa, njengoko iipropati zinokwahluka ngembali yokucubungula.

Kwi-Stellite 21, umenzi uphawula ngokukodwa ukuba iipropati zomatshini zixhomekeke kakhulu kwindlela yokuvelisa kunye nokunyangwa kobushushu obulandelayo. Ukutyunjwa kwebakala kuphela kusenokungonelanga xa isicelo sifuna iipropati ezichaziweyo okanye uhlobo oluthile lwemathiriyeli.

Ngaphambi kokuvunywa, cacisa:

• Uyilo lwemathiriyeli ngqo kunye neenkcukacha ezifanelekileyo.
• Ifom yezinto kunye nendlela yokuvelisa.
• Ingaba isatifikethi semathiriyeli okanye amanye amaxwebhu axhasayo ayafuneka.
• Naluphi na uhlolo olufunekayo, uvavanyo, okanye iirekhodi zokulandeleka.
• Nokuba izixhobo ezizezinye okanye iinkqubo zifuna imvume yabathengi.

Ukuba icandelo lisebenzisa i-hardfacing, inkcazo kufuneka ijongane ngokwahlukileyo kwisiseko semathiriyeli kunye ne-alloy efakwe apho kufanelekileyo. Iimfuno zomaleko ogqityiweyo, ukwenziwa komatshini wokugqibela, kunye nokwamkelwa kufuneka kusekwe.

Uphononongo lweisampulu kunye nemigaqo yokwamkeleka

Apho uyilo, umngcipheko wesicelo, okanye isivumelwano sokuthenga sifuna ukuvunywa kwesampulu, misela inkqubo yokuvunywa ngaphambi kokuveliswa kobuninzi.

Uphononongo lungabandakanya ukuqinisekiswa kwe-dimensional, uxwebhu lwemathiriyeli, ukuhlolwa komphezulu, kunye nezinye iitshekhi ezifunwa yinkcazo yobunjineli.

Ukuba ukusebenza okusebenzayo kufuneka kuboniswe, chaza indlela yokuvavanya kunye nemilinganiselo yokwamkelwa kwangaphambili. Isampuli ehambelana nomzobo ayibonakalisi ngokuzenzekelayo ukugqoka kwexesha elide okanye ukusebenza kwe-corrosion phantsi kweemeko zokusebenza.

Ukuphinda uodole, cacisa ukuba kuya kwenziwa njani uhlaziyo lokuzoba, ukutshintshwa kwezinto, utshintsho lwenkqubo, kunye namacandelo angangqinelaniyo. Oku kunceda ukugcina ukuhambelana phakathi kokuvunywa kwesampulu kunye nemveliso elandelayo.

FAQ

I-Stellite isetyenziselwa ntoni kwizitulo zevalvu?

I-Stellite alloys isetyenziswa kwi-valve seat applications efuna indibaniselwano yokungagugi, ukuxhathisa, kunye nokusebenza phantsi kweemeko ze-thermal okanye zekhemikhali. I-Stellite 6 ibhalwe kwizihlalo zevalvu kunye namasango, ngelixa i-Stellite 21 yaziwa ngokunxiba kwesinyithi ukuya kwisinyithi kunye nokuxhathisa i-galling. Ukufaneleka kuxhomekeke kwindawo yokusebenza kunye noyilo lwamacandelo.

Uthini umahluko phakathi kweStellite 6 kunye neStellite 21?

I-Stellite 6 isetyenziselwa ngokubanzi ukukhusela ukunxiba ngokubanzi kwaye inika ukuchasana okulungileyo kwiindlela ezininzi zokuthotywa komatshini. I-Stellite 21 isoloko ithathelwa ingqalelo yokutyibilika kwesinyithi ukuya kwintsimbi, ukugalela, kunye neendawo ezithile ezifuna ngamandla. Akukhuthazwa ukuba kusetyenziswe i-particle hard-particle abrasion. Ukhetho lokugqibela kufuneka lusekelwe kwindlela yokusilela okukhulu kunye neemeko ezipheleleyo zokusebenza.

Loluphi ulwazi olufunekayo ukucacisa isihlalo sevalve yeStellite?

Inkcazo eluncedo ibandakanya umzobo wobunjineli, ibakala lezinto eziphathekayo, ifom yezinto ezifunekayo, indawo yokusebenza, ubushushu kunye noluhlu loxinzelelo, iimeko zokunxiba, imilinganiselo ebalulekileyo, iimfuno zokutywinwa, kunye neendlela zokuhlola. Ukuba icandelo linzima, ukucaciswa kufuneka kwakhona kujongane ne-substrate kunye ne-alloy layer egqityiweyo.

Ngaba isitulo sevalve yeStellite silungele zonke izicelo zobushushu obuphezulu?

Hayi. Ukufaneleka kuxhomekeke kwibakala le-alloy, imeko yezinto eziphathekayo, ukulayishwa koomatshini, ukukhwela ibhayisekile nge-thermal, i-medium process, kunye noyilo lwevalvu. Idatha yemathiriyeli ngokubanzi kufuneka ihlaziywe ngokuchasene neyona meko yenkonzo. Apho kukho imfuneko, fumana isicelo-ingcebiso yobunjineli ethile phambi kokuba uvume imathiriyeli.

Ukuqukumbela

Ukukhetha isihlalo sevalve yeStellite kufuna uvavanyo olulungelelanisiweyo lweendlela zokunxiba, iimeko zomhlwa, ubushushu, uxinzelelo, ijometri yokutywina, kunye neemfuno zokuvelisa.

IStellite 6 sisiqalo esiqhelekileyo sokuvavanya usetyenziso oluxhathisayo lokunxiba. I-Stellite 21 inokufaneleka ukuqwalasela apho i-galling, i-metal-to-metal sliding, okanye iimeko ezithile ezifunwayo zibalulekile, kodwa ayikhuthazwa ukuba i-brasion enzima ye-hard-particle abrasion. Akukho nalinye ibakala ekufuneka likhethwe ngaphandle kokujonga eyona ndawo isetyenziswayo kunye neemfuno zecandelo.

Kwiiprojekthi ze-OEM, umzobo opheleleyo, iimeko zokusebenza ezichazwe ngokucacileyo, ukucaciswa kwezinto ezicacileyo, kunye neendlela zokuhlola ezivunyelweneyo zibonelela ngesiseko esivakalayo sokuvavanya umthengisi.

Ukuba ukhangela izihlalo zevalve yeStellite, lungisa umzobo wecandelo, ibakala elifunekayo lealloyi, iimeko zokusebenza, kunye neemfuno zomgangatho phambi kokuba ucele ikowuti. Ezi nkcukacha zinceda ababoneleli ukuba bavavanye imathiriyeli ecetywayo kunye nendlela yokwenziwa kwemveliso ngokuchasene neemfuno zakho zesicelo. Funda ngakumbi malunga Ukusasa kunye namandla omatshini eCNC.