Kafin magana akaimkayan aiki, dole ne mu fara fahimtar wasu abubuwa na asali game da allurakyawon tsayuwa.Na farko shine rabonkyawon tsayuwa.Gabaɗaya, ana raba gyare-gyare zuwa matakai biyar bisa ga tsawon rayuwar sabis.Mataki na farko ya fi sau miliyan daya, mataki na biyu kuma shi ne 500,000- — sau miliyan 1, mataki na uku tsakanin sau 300,000 zuwa 500,000, mataki na hudu yana tsakanin sau 100,000 zuwa 300,000, sannan mataki na biyar ya kasa sau 100,000. .Duka na farko da na biyukyawon tsayuwaAna buƙatar amfani da maganin zafi na karfe tare da taurin kusan HRC50, in ba haka ba yana da sauƙin sawa, da alluramsamfurin yana da sauƙin zama daga haƙuri.Sabili da haka, ƙarfe da aka zaɓa dole ne ya sami kyakkyawan aikin maganin zafi da kyakkyawan aikin yankewa a ƙarƙashin babban taurin.Hakika, shi ne kuma Akwai wasu la'akari.Domin ba kasafai nake haduwa da robobin gida bamKarfe, Zan iya gabatar da kayan da ake shigo da su ne kawai da ake amfani da su a Kogin Pearl Delta.Yawancin lokaci zabi 8407, S136 a Sweden, 420, H13 a Amurka, 2316, 2344, 083 a Turai, ko SKD61, DC53 a Japan (tsohon karfe mold kayan, amfani a karkashin yanayi na musamman).Bugu da kari, da albarkatun kasa don yin gyare-gyaren allura da kuma abubuwan da aka kara da su suna da tasiri mai yawa akan zabin, musamman ma filayen gilashin yana sawa sosai.m.
Wasu kayan filastik suna lalata acid, wasu kuma ana ƙara su tare da wakilai masu ƙarfafawa ko wasu masu gyara.Alal misali, gilashin fiber na iya haifar da mummunar lalacewa ga mold.Saboda haka, ya kamata a yi la'akari sosai ga zaɓin kayan.Don robobi masu lalata sosai, gabaɗaya zaɓi S136, 2316, nau'in ƙarfe na 420, kuma ga robobin da ba su da ƙarfi, ban da S136, 2316, 420, akwai SKD61, NAK80, PAK90, 718M.Abubuwan filastik acid mai ƙarfi sun haɗa da: PVC, POM, PBT.Abubuwan filastik masu rauni sun haɗa da: PC, PP, PMMA, PA,
Bukatun bayyanar samfurin kuma suna da tasiri mai girma akan zaɓin kayan ƙira.Don m sassa da samfurori tare da madubi-kamar saman, da samuwa kayan ne s136, 2316, 718S, NAK80, PAK90, 420, da kumakyawon tsayuwaya kamata a zaba tare da nuna gaskiya sosai.S136, sai 420.
Abin da ke sama yana cikin sharuddan biyan bukatun samfur, amma a matsayin mai zane, idan kun yi la'akari da waɗannan kawai, ba kawai za ku iya zama mai zane mai kyau ba, kuna iya samun matsaloli tare da aikinku, da kuma farashin kayan aiki.kyawon tsayuwaku shigar yana da mahimmanci.Abu mafi mahimmanci shi ne cewa dole ne ku yi la'akari da farashin.Kwatanta s136 da 2316. Bambanci shine yuan 55-60 a kowace kilogiram.Idan ka zaɓi ba daidai ba, maigidan naka ko dai ya kasa karɓar odar ko kuma ya yi fatara.
Akwai da yawa pre-taurare kayan don mataki na uku molds, da maki su ne: S136H, 2316H, 718H, 083H, taurin ne HB270--340, na hudu da na biyar-mataki molds amfani P20, 718, 738, 618, 2311, 2711, don ƙananan buƙatun Donda mold,yana yiwuwa a yi amfani da S50C, 45 # karfe, wato, don yin rami kai tsaye a kan katako.mtushe.Gilashin manne harsashi)