Xa kusenziwa ukufa okuqhubekayo, uxinzelelo lomnini olungenanto, iimeko zoxinzelelo, kunye nezixhobo ezikrwada zonke zichaphazela ukukwazi ukufumana iziphumo ezilula ngaphandle kokushwabana.
Q: Sitsala iikomityi ukusuka kwibakala 304 steel stainless. Kwi-stop yokuqala yokufa yethu progressive, sitsalela malunga 0.75 intshi ubunzulu.Xa ndikhangela ubukhulu beperimitha flange engenanto, umahluko ukusuka kwelinye icala ukuya kwelinye unokuba phezulu 0.003 intshi.Into yonke hit yahlukile kwaye ayibonakali kwi-processing kwi-emowt into enye, mhlawumbi i-emow ixelelwe into enye. Ikhoyili engundoqo.Singayifumana njani ikomityi emile okwethutyana ngaphandle kokushwabana?
A: Ndibona umbuzo wakho uphakamisa imibuzo emibini: okokuqala, utshintsho olufumanayo kwinkqubo yelotho, kwaye okwesibini, izinto eziluhlaza kunye neenkcukacha zabo.
Umbuzo wokuqala ujongene neziphene zoyilo lwesixhobo esisisiseko, ngoko ke makhe sihlolisise ukushwabana okusisiseko.Okunyakazayo kunye nokutshintsha kobunzima bekomityi kwiiflange zendebe zibonisa izikhewu ezingonelanga zesixhobo kwisikhululo sakho somzobo esiqhubekayo sokufa.Ngaphandle kokubona uyilo lwakho lokufa, bendiya kufuneka ndicinge ukuba umzobo wakho we-punch kunye neredidi yokufa kunye nezikhewu zazo zidibana nazo zonke iiparamitha zoyilo eziqhelekileyo.
Kumzobo onzulu, i-blank sandwiched phakathi komzobo wokufa kunye nomnini ongenanto, ngelixa i-punch yokudweba idonsa izinto kwi-drain die, ukuyisondeza kwi-radius yokudweba ukuze yenze i-shell.Kukho ukungqubuzana okukhulu phakathi kwe-die kunye nomnini ongenanto.Ngeli xesha, le nkqubo ixinzelelwe ngasecaleni, isizathu sokuba ukushwabana kunye ne-radial elongation phantsi kwe-radial elongation phantsi kwe-blank elongation. ye punch yolula.Ukuba iphantsi kakhulu, ukushwabana kuya kwenzeka.
Kukho umda phakathi kwedayamitha yeqokobhe kunye nedayamitha engenanto engenakugqithiswa kumsebenzi ophumeleleyo womzobo.Lo mda uyahluka ngepesenti yokwandiswa kwezinto.Umgaqo jikelele ngu-55% ukuya kwi-60% kumzobo wokuqala kunye ne-20% kumzobo ngamnye olandelayo.Umzobo 1 yifomula esemgangathweni yokubala umninimzi ongenanto uxinzelelo olufunekayo ukuze ndisolule, kodwa i-30 ihlale idibanisa i-force eyongezelelweyo, kodwa i-30 idinga ukhuseleko oluncinci. ukwandisa emva kokuba uyilo lugqityiwe).
I-blank holder pressure p yi-2.5 N / mm2 yensimbi, i-2.0 ukuya kwi-2.4 N / mm2 ye-alloys zethusi kunye ne-1.2 ukuya kwi-1.5 N / mm2 ye-aluminium alloys.
Ukwahluka kwi-flange ubukhulu ikwabonisa ukuba uyilo lwesixhobo sakho asinamandla ngokwaneleyo. Iibhutsi zakho zokubumba kufuneka zibe ngqindilili ngokwaneleyo ukumelana nokutsalwa ngaphandle kwe-buckling.Inkxaso phantsi kwesiseko sokufa kufuneka ibe yintsimbi eqinileyo, kunye nezikhonkwane zesikhokelo kufuneka zibe zikhulu ngokwaneleyo ukuthintela nayiphi na intshukumo esecaleni yezixhobo eziphezulu kunye nezantsi ngexesha lokusolula.
Jonga iindaba zakhoijometri kunye nokugqitywa komphezulu kufuneka kugqibelele.
Kwakhona, ngelixa abathengi bevame ukujonga i-304L kunye ne-304 esemgangathweni njengento etshintshayo, i-304L iyona nto ingcono yokukhetha ukudweba. Kulula ukuyisebenzisa.
Are shop stamping or tool and die issues confusing you?If so, please send your questions to kateb@thefabricator.com and have them answered by Thomas Vacca, Director of Engineering at Micro Co.
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