Umatshini wokucoca iRubber Seal kwiiNkqubo zeHydraulic

By UMike Chen, Umlawuli weMveliso | Iminyaka eli-12+ kwiMveliso yeRabha |I-LinkedIn

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Izitywino zenkqubo ye-hydraulic zifuna ukususwa kwefleshi ukuya kuthi ga kwi-0.1 mm kuba ifleshi eseleyo ibangela ukuvuza kwangaphakathi kunye nokungaphumeleli kwetywino kwangaphambi kwexesha kwiisekethe ezinoxinzelelo oluphezulu.
• Ukucocwa ngoomatshini kufikelela kumaxesha angama-20-40 emizuzwana ngomjikelo wokutywina kwi-O-rings eqhelekileyo kunye ne-wiper seals, okwenza kube ngokukhawuleza ngokuphindwe ka-40-50 kunokusika ngesandla.
• Ukucocwa kwe-cryogenic deflashing kwi -100°C ukuya kwi -130°C kuyacetyiswa kwi-silicone kunye ne-FKM hydraulic seals ezine-flash encinci engaphantsi kwe-0.3 mm emelana nokurhawuzelelwa koomatshini.
• Umatshini wokucoca ngoomatshini we-XCJ-G600 usebenza ngeebhetshi ezili-15 kg zeetywina ze-hydraulic ngomjikelo ngamnye, ezaneleyo kwii-O-rings ezingaphezu kwama-3,000 ngotshintsho ngalunye kwimveliso eqhelekileyo.

Ukuthembeka kwenkqubo ye-hydraulic kuxhomekeke ekuqineni kwetywina. Itywina elinye elinokususwa kwefleshi okungaphelelanga linokubangela ukulahleka koxinzelelo, ukungcola kolwelo, kunye nokungaphumeleli kwecandelo. Oku kwenza i-rubber seal deflashing ibe linyathelo elibalulekileyo ekuvelisweni kwezixhobo ze-hydraulic. Ukukhetha indlela ye-deflashing kunye noqwalaselo lomatshini kuchaphazela ngokuthe ngqo ukusebenza kwetywina entsimini.

Kuba isitywini se-hydraulic esinentsalela ye-flash ye-0.15 mm kwi-sealing lip yaso sinokunciphisa ubomi benkonzo ukuya kuthi ga kwi-40% xa kuthelekiswa nesitywini esicociweyo ngokufanelekileyo — okwenza ukususwa kwe-flash kube linyathelo elingenakuphikiswana ngalo ekwenzeni isitywini.

Eli nqaku lichaza isizathu sokuba izitywino ze-hydraulic zifuna imigangatho eyahlukileyo yokukhuculula ulwelo kuneenxalenye zerabha eziqhelekileyo, indlela oomatshini bokukhuculula ulwelo be-mechanical kunye ne-cryogenic abajongana ngayo nezi mfuno, kunye nendlela yokukhetha inkqubo efanelekileyo yokukhuculula ulwelo kwimveliso yakho yesitywino.

Kutheni iiSeal zeHydraulic zifuna ukucocwa ngokuchanekileyo ukuze inkqubo isebenze ngendlela ethembekileyo

Umlebe wokutywina ngowona mphezulu ubalulekileyo kunayo nayiphi na itywina ye-hydraulic — ukuba lo mphetho uphethe intsalela ye-flash, itywina inokungaphumeleli kwimijikelo yokuqala engama-500 yokusebenza. I-hydraulic seals isebenza ngokugcina ulungelelwaniso olulawulwayo phakathi kwezinto ezimileyo nezihambayo. I-mold flash kumphezulu wokutywina iyayiphazamisa le ngxaki, idala iindlela zokuvuza ezikhethwayo ezidlula ngokupheleleyo itywina.

Kwizicelo ze-hydraulic ezinoxinzelelo oluphezulu ezingaphezulu kwe-200 bar, umgangatho we-ISO 6195 wee-wiper seals kunye ne-ISO 3601 yee-O-rings zombini zichaza imida ephezulu yeziphene zomphezulu. Intsalela ye-flash edlula i-0.1 mm kumphezulu wokuvala idla ngokuthathwa njengento engahambelaniyo nezicelo ze-hydraulic. Lo ngumgangatho ongqongqo kunee-static seals okanye izinto zerabha ezingavaliyo.

Kumava ethu emveliso xa sivavanya iibhetshi zesitywina ezingaphezu kwama-500 kubavelisi bezixhobo ze-hydraulic, siqaphele ukuba izitywina ezicociwe kakuhle zibonisa ukwehla kwezinga lokuvuza malunga nama-85% xa kuthelekiswa nezitywina ezinqunyulwe ngesandla kuvavanyo lwesekethe ye-200-bar. Olu lwazi luvela kuvavanyo lokwamkelwa kwefektri olwenziwe ngokwemigaqo yovavanyo lwe-ISO 10766 yokubuyisela izitywina ze-hydraulic.

Iintlobo zeTywina yeHydraulic ezicutshungulwa ziiMatshini zokuCoca iRabha

Iijometri ezahlukeneyo zesitywino se-hydraulic zinemingeni eyahlukileyo yokukhuculula ulwelo. Le theyibhile ingezantsi ishwankathela iintlobo eziqhelekileyo zesitywino se-hydraulic kunye neemfuno zazo zokukhuculula ulwelo.

I-ISO 1629 imisela amagama erabha okuchongwa kwezinto. I-ISO 3601-1 ichaza ubukhulu be-O-ring kunye nokunyamezelana okufanelekileyo kwimigangatho yokucoca umgangatho.

Umatshini wokucoca ngoomatshini weZitywino zerabha zeHydraulic

Ukucoca ngoomatshiniyeyona ndlela isetyenziswa kakhulu kwimveliso yesitywina se-hydraulic ephezulu kuba inika iziphumo ezihambelanayo ngexabiso eliphantsi ngenxalenye nganye. Umatshini wokucoca ngoomatshini we-XCJ-G600 usebenza ngeebhetshi ze-15 kg zee-O-rings kunye nezitywina ngomjikelo ngamnye, kunye nesitywina ngasinye esinqunyiwe kwimizuzwana engama-20-40. Umatshini omnye unokuthatha indawo yabasebenzi bokucoca ngesandla abangama-40-50 ngokwemveliso yemihla ngemihla.

Lo matshini usebenzisa umgaqo wokunyibilikisa i-aerodynamic: izitywino zigoba ngaphakathi kwidrama ejikelezayo engama-600 mm ngelixa imidiya enesantya esiphezulu isusa izinto ezikhanyayo kwiindawo eziyinxalenye. Inkqubo yokulawula i-7.5 kW motor kunye ne-inverter igcina isantya esilinganayo sedrama kwimithwalo yebhetshi ukusuka kwi-5 kg ​​ukuya kwi-15 kg. Indlela yokutya nokukhupha ngokuzenzekelayo ivumela ukusebenza okuqhubekayo kunye nolawulo oluncinci lomqhubi.

Kwizitywino ze-hydraulic ezinobubanzi obungaphandle obuphakathi kwe-3 mm kunye ne-100 mm, i-XCJ-G600 inokucubungula uluhlu olupheleleyo lobungakanani ngaphandle kokutshintsha kwezixhobo. Oku kubaluleke kakhulu kubavelisi abavelisa ubungakanani obuxutyiweyo bezitywino kwiinkcukacha ezahlukeneyo zenkqubo ye-hydraulic. Iiparamitha ezihlengahlengiswayo zomatshini zivumela abaqhubi ukuba baphucule ixesha lomjikelo kunye nobukhali bemidiya kwisixhobo ngasinye sesitywino.

Ukucoca iSeal yeCryogenic kwiinxalenye zeHydraulic ezichanekileyo

Ukucima i-cryogenic deflashing kuba yimfuneko xa izitywino ze-hydraulic zifuna ukususwa kwe-flash engaphantsi kwe-0.1 mm kwiindawo zokutywina. Le nkqubo isebenzisa i-nitrogen engamanzi kwi--100°C ukuya kwi--130°C ukuze itshise i-flash encinci ngokukhetha ngelixa igcina ukuguquguquka komzimba wesitywino. Imidiya yokuqhumisa emva koko iyaphula i-flash ebuthathaka ngaphandle koxinzelelo loomatshini kwizinto ezisisiseko.

Ngenxa yokuba izitywino ze-hydraulic ezenziwe nge-FKM (fluoroelastomer) kunye nerabha ye-silicone zichazwa ngakumbi kwizicelo ezishushu kakhulu nezimelana neekhemikhali, kwaye ngenxa yokuba ezi zinto zinamandla okukrazula aphantsi kune-NBR okanye i-PU, ngoko ke ukucubungula i-cryogenic kunceda ukuthintela ukukrazula komphezulu ngexesha lokukhuhla. Indlela ye-cryogenic ikwavelisa ukugqitywa komphezulu okugudileyo kwimilebe yokutywina, okunciphisa ukungqubana ngexesha lokuqala lokungena kwe-hydraulic cylinder.

Eyona nto iphambili ethengiswa ngayo nge-cryogenic deflashing yindleko. Ukusetyenziswa kwe-nitrogen engamanzi engama-20-50 kg ngebhetshi kongeza i-$5-15 kwiindleko zokucubungula ngomjikelo ngamnye. Kwii-O-rings eziqhelekileyo kunye ne-urethane piston seals, i-mechanical deflashing idla ngokwanela. Kwii-seal ezibalulekileyo apho kuchazwe ukuba akukho flash tolerance, i-cryogenic deflashing ixabisa iindleko ezongezelelweyo zokususa i-scrap kunye ne-rework.

Uthelekiso: Umatshini vs iCryogenic kwiHydraulic Seal Deflashing

Uqikelelo lweendleko olusekelwe kwiiparamitha zemveliso ezisemgangathweni zokucoca isitywina se-hydraulic. Iindleko zokwenyani ziyahluka ngokwejometri yesitywina, i-compound yezinto ezibonakalayo, kunye namaxabiso e-nitrogen yolwelo lwendawo.

Iziphene eziqhelekileyo zeFlash kwiHydraulic Seals kunye nendlela oomatshini bokucoca inkunkuma abazijongana ngayo nazo

Iziphene zokubumba kwimveliso yesitywina se-hydraulic zivelisa iintlobo ezahlukeneyo ze-flash ezifuna ukususwa ngaphambi kokuba isitywina sisebenze ngokuchanekileyo kwisekethe ye-hydraulic.

Ukwahlulwahlulwa kweempazamo zeFlash ngokusekelwe kwimigqaliselo eqhelekileyo ekuxinaniseni nasekufakeni inaliti kwiitywina ze-hydraulic.

Ukudibanisa umatshini wokucofa isitywina serabha kwimigca yokuvelisa iinxalenye ze-hydraulic

A umatshini wokucoca isitywino serabhaingadibaniswa kumgca wemveliso yesitywina se-hydraulic okhoyo onokuhlengahlengiswa okuncinci. Umatshini wokukhupha umbane we-XCJ-G600 ulinganisa i-1750 mm (L) x 1000 mm (W) x 1000 mm (H) kwaye unobunzima obuyi-650 kg, odinga malunga ne-2 square metres yendawo yomgangatho. Iindlela zokutya nokukhupha ngokuzenzekelayo zivumela uqhagamshelo oluthe ngqo kwizixhobo zokubumba ezisezantsi kunye nezikhululo zokuhlola ezisezantsi.

Kwimigca yemveliso esebenza ngaphezulu kwe-10,000 seals ngosuku, ukubeka umatshini wokukhupha amanzi emva kokuba i-molding press kunye ne-cooling station ibambe izitywini kubushushu bazo obunokusetyenzwa. Ii-seals kufuneka zingene kumatshini wokukhupha amanzi kwimizuzu engama-30 emva kokudilizwa, ngaphambi kokuba ukuncitshiswa emva kokulungiswa kutshintshe ubukhulu bazo. Eli xesha libaluleke kakhulu kwii-hydraulic seals ze-NBR kunye ne-FKM ezidlula kwi-secondary vulcanization.

Ngokwemigangatho yokukhusela oomatshini ye-OSHA 1910.212, umatshini wokukhupha umoya kufuneka uxhotyiswe ngeephaneli zokufikelela ezidibeneyo kunye nolawulo lokuma olungxamisekileyo. Izinzwa zomphetho weemela ezakhelwe ngaphakathi kunye nezinzwa zerola yokuphakela zibonelela ngokhuseleko olongezelelweyo lomqhubi ngexesha lokulayisha nokukhupha.

Indlela yokukhetha umatshini wokucoca irabha kwiisicelo ze-hydraulic

Ukukhetha izixhobo ezifanelekileyo zokukhupha amanzi kwimveliso yesitywina se-hydraulic kuxhomekeke kwizinto ezine: izinto zesitywina, ubungakanani bemveliso, iimfuno zokuchaneka, kunye nemida yohlahlo-lwabiwo mali.

Khetha ukucoca ngomatshinixa kuveliswa izitywino ze-NBR, EPDM, okanye ze-PU ngobuninzi obungaphezulu kweeyunithi ezingama-5,000 ngeshifti nganye. Ixesha lomjikelo wesitywino se-XCJ-G600 lemizuzwana engama-20-40 kunye nokulungiswa kwebhetshi ngokuzenzekelayo kwenza ukuba ifaneleke kwiiringi ze-O eziqhelekileyo, izitywino ze-wiper, kunye nezitywino zepiston ezine-flash engaphezulu kwe-0.2 mm. Ixabiso eliphantsi ngenxalenye nganye ($0.003-0.008) liluncedo kwimveliso yesitywino sempahla exabiso liphantsi.

Khetha i-cryogenic deflashingxa kusenziwa izitywino ze-FKM, i-silicone, okanye i-HNBR ezine-flash engaphantsi kwe-0.3 mm. Ezi zinto aziphenduli kakuhle kwi-mechanical abrasion kuba ukuguquguquka kwazo kubangela ukuba i-flash encinci iguqe endaweni yokuphuka. Ukucubungula i-cryogenic kwi--100°C ukuya kwi--130°C kuhlanganisa i-flash ukuze isuswe kakuhle ngelixa kugcinwa ukuthembeka komzimba wesitywino. Ixabiso eliphezulu ngenxalenye ($0.015-0.035) lifanelekile ngokunciphisa amazinga okulahlwa, ngokuqhelekileyo kugcina i-10-15% kwiindleko zemveliso xa amazinga okuqala eziphene edlula i-8%.

Khetha ukucutshungulwa ngokulandelelanaxa imveliso ibandakanya izitywino ezineeprofayili zeflash ezixutyiweyo. Ipasi yokukhupha umbane ngoomatshini isusa iflash enkulu, ilandelwe yi-cryogenic processing ukuze kufumaneke iindawo ezichanekileyo. Le ndlela ixhaphakile kwiikiti ze-hydraulic cylinder seal eziquka zombini ii-O-rings eziqhelekileyo kunye nezitywino ze-precision rod kwibhetshi enye yemveliso.

Isiphelo: Ukudibanisa i-Deflashing Precision neeMfuno zeNkqubo yeHydraulic

Izitywino zenkqubo ye-hydraulic zifuna imigangatho yokukhupha umoya ongaphezulu kwaleyo yeendawo zerabha ngokubanzi kuba iziphene zokuvala umphezulu zichaphazela ngokuthe ngqo ukugcinwa koxinzelelo lwenkqubo kunye nobomi bezinto. Umatshini wokukhupha umoya okhupha umoya okhanyayo osusa i-mold flash ukuya kwi-0.1 mm kwiindawo zokuvala yeyona mfuneko incinci yokusetyenziswa kwe-hydraulic engaphezulu kwe-100 bar.

Ukucoca ngoomatshini kubonelela ngexabiso eliphantsi kakhulu kwimveliso ephezulu yee-NBR kunye nee-PU hydraulic seals ezisemgangathweni. Ukucoca ngoomatshini okune-cryogenic kubonelela ngokuchanekileyo okufunekayo kwii-FKM kunye nee-silicone seals kwiindawo ezifuna amandla e-hydraulic. Abavelisi abavelisa ii-seals zezicelo ezininzi ze-hydraulic bayazuza ekuhloleni zombini ezi teknoloji ngokuchasene nepotifoliyo yabo ethile ye-seal.