Menene hanyoyin gyare-gyaren busa mara kyau?

Gabatarwar hanyar gyare-gyare mai zurfi:

Saboda bambancin albarkatun kasa, bukatun sarrafawa, fitarwa da farashi, hanyoyin gyare-gyare daban-daban suna da fa'ida daban-daban wajen sarrafa samfuran daban-daban.

Busa gyare-gyare na samfuran ramukan ya ƙunshi manyan hanyoyi guda uku:

1, extrusion busa gyare-gyare: galibi ana amfani dashi don sarrafa billet mara tallafi;

2, allura busa gyare-gyare: galibi ana amfani da su don sarrafa billet da goyan bayan ƙarfe na ƙarfe;

3, mikewa gyare-gyare: ciki har da extrusion wani mike busa gyare-gyaren, allura mai shimfiɗa busa gyare-gyaren hanyoyi biyu, na iya aiwatar da samfurori masu dacewa, rage yawan farashin samarwa da inganta aikin samfurin.

Bugu da kari, akwai Multi-Layer hurawa gyare-gyaren, latsa busa gyare-gyaren, tsoma shafi busa gyare-gyaren, kumfa busa gyare-gyaren, uku-girma gyare-gyaren gyare-gyaren, da dai sauransu. Duk da haka, 75% na busa gyare-gyaren kayayyakin ne extrusion busa gyare-gyaren, 24% ne allura duka. gyare-gyare da 1% sune sauran nau'in gyare-gyare.Daga cikin duk samfuran gyare-gyaren busa, 75% suna cikin samfuran shimfiɗa bidirectional.A abũbuwan amfãni daga extrusion busa gyare-gyare ne high samar da ya dace, low kayan aiki kudin, fadi da kewayon mold da inji selection, disadvantages ne high scrap kudi, sharar sake yin amfani da, matalauta amfani, samfurin kauri iko, da dispersity na albarkatun kasa ne iyakance, bayan gyare-gyaren dole ne. a gyara bakin aiki.Abubuwan da ake amfani da su na yin gyare-gyaren allura shine cewa babu wani sharar gida a cikin aikin sarrafawa, kaurin bango na samfurori da tarwatsa kayan ana iya sarrafawa da kyau, daidaitattun samfuran wuyan wuyansa yana da girma, saman samfurori yana da santsi, kuma Ana iya aiwatar da ƙananan samar da kayayyaki ta hanyar tattalin arziki.Rashin hasara shi ne tsadar kayan aikin gyare-gyare, kuma zuwa wani lokaci kawai ya dace da ƙananan kayan gyare-gyare.

Yanayin tsari na gyare-gyaren busa mara kyau yana buƙatar cewa matsewar iska na matsakaicin billet na busawa dole ne ya kasance mai tsabta.Injection busa gyare-gyaren iska matsa lamba ne 0.55 ~ 1MPa;Extrusion busa gyare-gyaren matsa lamba ne 0.2L ~ 0.62mpa, yayin da tensile busa gyare-gyaren matsa lamba ne sau da yawa ake bukata kamar yadda 4MPa.A cikin ƙarfin filastik, ƙananan matsa lamba yana sa ƙarancin ciki na samfurori ya ragu, damuwa da damuwa ya fi dacewa, kuma ƙananan damuwa na iya inganta haɓaka, tasiri, lankwasawa da sauran kaddarorin samfurori.