Samar da huɗar bututu mai zafi da aka yi birgima shine mafi mahimmancin mataki na nakasawa, manufarsa ita ce ta sa ƙaƙƙarfan bututu mai birgima a cikin bututu mai zurfi.Bisa ga tsari da kuma nakasawa halaye huda tsari na huda inji za a iya raba na al'ada perforating Hanyar: m sokin, sokin tura da matsa lamba perforation, sokin da kuma m mafi yadu amfani, siffar Rotary sokin inji Rolls da yi, kwayoyin dabara Cone) da Disc sune nau'in waƙoƙi guda uku Motar Mill Rolls don amfani a cikin kananan, yayin da manyan raka'a suka amfani da ƙwayoyin ƙwayoyin cuta.Ba kasafai ake amfani da naushin diski ba.Ko da kuwa siffar nadi yadda, domin tabbatar da bututu cizo da kuma cimma huda tsari ya perforated mazugi (yi mazugi mazugi), nika mazugi (roll kanti mazugi) da birgima tsiri (wuce rabo daga mazugi mazugi da kanti mazugi). tsakanin ) hade.

Piercer nadi yana amfani da haɗe-haɗe na rollers da tsarin abin nadi, duka na tsangwama kai tsaye ko haɗin tsangwama tare da haɗin maɓalli.Don haka, lokacin da jujjuyawar nadi, rollers na iya ci gaba da sake amfani da su, don rage farashin kayan aiki.Ƙananan kayan abin nadi na naushi ƙarin zaɓi na 45 ko 40Cr, an kashe da fushi.Manya-manyan rollers masu yawa 42CrMo, quenching da tempering.Masu kera kayan mirgine a halin yanzu suna amfani da ƙarin hadaddun, wasu masana'antun suna amfani da 45, 55 da sauransu akan ƙirƙira ingantaccen tsarin ƙarfe na carbon.Wasu masana'antun suna amfani da 50Mn, 65Mn, 70Mn, 70Mn2Mo, 60CrMnMo alloy simintin ko na jabu;Bukatun kewayon taurin ba su da daidaituwa, kuma wasu suna buƙatar HB180-220, wasu suna buƙatar HB220-260.Domin ƙara cizon babban raɗaɗɗen abin nadi na gabaɗaya zurfin aiki na 0.8 ~ 1.2mm tsarin raga na mazugi na mazugi.

M masana'antun cikin gida da na waje na kayan zaɓi da amfani, Ina tsammanin: zaɓin simintin juzu'i na 50Mn, 60CrMnMo carbon karfe da sauran kayan da suka fi dacewa, ɗayan yana da ƙarfi mai kyau kuma yana juriya, na biyu ana amfani da kowane nau'in bututun bututun abu. .Sarrafa taurin a cikin HB200-240 mafi ma'ana.