Bakin karfe zo a da dama na kowa finishes.It da muhimmanci a san abin da wadannan gama gari ne da kuma dalilin da ya sa suke da muhimmanci.The latest sababbin abubuwa a abrasive fasahar iya rage aiwatar matakai don sadar da ake so gama, ciki har da nema-bayan surface mai sheki.
Bakin karfe na iya zama da wahala a yi aiki da shi, amma samfurin da aka gama yana ba da ɗayan mafi kyawun kamannun kuma yana sa duk aikin ya dace.An yarda da shi gabaɗaya cewa yin amfani da grit mafi kyau a cikin jerin sanding zai iya kawar da ƙirar ƙira na baya da haɓaka ƙarshen, amma akwai matakan gabaɗaya da yawa don sanin lokacin amfani da jerin grit da yawa don cimma ƙarshen da ake so.
Bakin karfe zo a da dama na kowa finishes.It da muhimmanci a san abin da wadannan gama gari ne da kuma dalilin da ya sa suke da muhimmanci.The latest sababbin abubuwa a abrasive fasahar iya rage aiwatar matakai don sadar da ake so gama, ciki har da nema-bayan surface mai sheki.
Masana'antun Karfe na Musamman na Arewacin Amurka (SSINA) sun bayyana matsayin masana'antu da inda samfuran ke amfani da lambobi daban-daban.
An yi No. 1. Ana yin wannan maganin saman ta hanyar mirgina (mai zafi mai zafi) bakin karfe wanda aka yi zafi kafin a yi jujjuya. Ana buƙatar kammalawa kaɗan, wanda shine dalilin da ya sa ake la'akari da shi.
A'a. 2B ya cika. Wannan wuri mai haske, mai sanyi mai sanyi yana kama da madubi mai duhu kuma yana buƙatar matakan ƙarewa. Sassan tare da kammala 2B sun hada da kwanon rufi na duniya, kayan aikin sinadarai, kayan yanka, kayan injin takarda da kayan aikin famfo.
Har ila yau, a cikin category 2 ne 2D gama.This gama ne a uniform, matte azurfa launin toka ga thinner coils, da kauri daga wanda aka rage da sanyi mirgina kadan karewa tsari kamar yadda shi ne sau da yawa amfani da wani factory finish.Pickling ko descaling ake bukata bayan zafi magani don cire chromium.Pickling iya zama na karshe samar mataki ga wannan surface jiyya.Lokacin da fenti 2D gama da ake bukata a matsayin Paint gama da ake bukata.
Yaren mutanen Poland No. 3 ne halin gajere, in mun gwada da lokacin farin ciki, layi daya polishing Lines.It aka samu ta inji polishing tare da ci gaba finer abrasives ko ta wucewa coils ta musamman rollers cewa danna alamu a cikin surface, simulating bayyanar inji lalacewa.It ne a moderately nuni gama.
Domin inji polishing, 50 ko 80 grit ne yawanci amfani da farko, da kuma 100 ko 120 grit yawanci amfani da karshe polishing.Surface roughness yawanci yana da matsakaita roughness (Ra) na 40 microinches ko lessasa.Idan manufacturer na bukatar Fusion welds ko sauran karewa, sakamakon polishing line ne yawanci tumble da kayan aiki fiye da na kowa kayan aiki. , kayan dafa abinci, da kayan aikin kimiyya shine ƙarshen No. 3.
A'a. 4 gama shi ne ya fi kowa kuma ana amfani dashi a cikin kayan aiki da masana'antu na abinci.Bayanin bayyanarsa yana da ɗan gajeren layi mai laushi mai laushi wanda aka shimfiɗa a ko'ina tare da tsawon tsayin coil.An samo shi ta hanyar gyaran gyare-gyare na injiniya na 3 tare da ci gaba mai kyau abrasives.Ya danganta da bukatun aikace-aikacen, ƙarewar ƙarshe na iya zama ko'ina tsakanin 120r grit grit figrit. e.
Surface roughness ne yawanci Ra 25 μin. ko na'urorin sarrafawa, da masu rarraba ruwa.
Yaren mutanen Poland No. 3 ne halin gajere, in mun gwada da lokacin farin ciki, layi daya polishing Lines.It aka samu ta inji polishing tare da ci gaba finer abrasives ko ta wucewa coils ta musamman rollers cewa danna alamu a cikin surface, simulating bayyanar inji lalacewa.It ne a moderately nuni gama.
Ƙarshe No. 7 yana da kyau sosai kuma yana da kamannin madubi. An goge zuwa 320 grit da goge No. 7 gama sau da yawa ana iya samun su a cikin iyakoki na ginshiƙai, kayan ado na ado da bangon bango.
An sami ci gaba mai mahimmanci a cikin abrasives da aka yi amfani da su don cimma waɗannan abubuwan da aka gama, suna taimaka wa masana'antun samar da ƙarin sassa lafiya, da sauri da kuma farashi mai mahimmanci.New ma'adanai, filaye masu karfi da tsarin resin antifouling suna taimakawa wajen inganta tsarin kammalawa.
Wadannan abrasives suna ba da raguwa da sauri, tsawon rai, da rage yawan matakan da ake bukata don samun aikin. Alal misali, kullun tare da microcracks a cikin ƙwayoyin yumbura yana kara tsawon rayuwarsa a cikin jinkirin kuma yana samar da daidaitaccen ƙare.
Bugu da kari, fasahar kama da tara abrasives da barbashi cewa bond tare don yanke sauri da kuma samar da mafi kyau gama.Yana bukatar ƴan matakai da kasa abrasive kaya don yin aikin, da kuma mafi yawan masu aiki ganin mafi inganci da kuma kudin tanadi.
Michael Radaelli is Product Manager at Norton|Saint-Gobain Abrasives, 1 New Bond St., Worcester, MA 01606, 508-795-5000, michael.a.radaelli@saint-gobain.com, www.nortonabrasives.com.
Ana ƙalubalanci masu sana'a don kammala sasanninta da radius na sassa na bakin karfe.Don haɗakar da wuyar isa ga welds da wuraren kafawa, yana da matakai guda biyar wanda ke buƙatar ƙafar niƙa, kushin murabba'i na grits da yawa, da kuma dabaran niƙa iri ɗaya.
Na farko, masu aiki amfani da wani nika dabaran yin zurfin scratches a kan wadannan bakin karfe aka gyara.Nika ƙafafun ne kullum stiffer da kasa gafartawa, sa mai aiki a wani hasara a farkon.The nika mataki da aka lokaci-cinyewa da kuma har yanzu bar scratches da ya kamata a cire da uku karin polishing matakai a daban-daban grits.This mataki ne bi ta hanyar yin amfani da uniform surface ƙafafun gama cimma.
Ta hanyar canza motar niƙa zuwa ƙafar yumbura, mai aiki ya iya gama gogewa a mataki na farko. Tsayawa daidai da tsarin grit kamar yadda a mataki na biyu, mai aiki ya maye gurbin pads na murabba'i tare da motar flap, inganta lokaci da ƙare.
Cire kushin murabba'in 80-grit da maye gurbin shi tare da madaidaicin da ba a saka ba tare da ɓangarorin agglomerated wanda ke biye da 220-grit wanda ba a saka ba ya ba da damar mai aiki don samar da sheen da ake so da gamawa gaba ɗaya kuma ya kawar da buƙatar Mataki na ƙarshe shine ainihin tsari (amfani da dabaran haɗin kai don rufe matakin).
Godiya ga haɓakawa a cikin ƙafafun flapper da fasahar da ba a saka ba, an rage adadin matakan daga biyar zuwa huɗu, rage lokacin kammalawa da 40%, ceton aiki da farashin samfur.
An sami ci gaba mai mahimmanci a cikin abrasives da aka yi amfani da su don cimma waɗannan ƙarewar saman, suna taimaka wa masana'antun samar da ƙarin sassa a amince, da sauri da farashi mai inganci.
WELDER, wanda a da yake Aiki na Welding A Yau, yana nuna ainihin mutanen da suke yin samfuran da muke amfani da su kuma suke aiki da su kowace rana.Wannan mujallar ta yi hidima ga al'ummar walda a Arewacin Amirka sama da shekaru 20.
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