①. Takaitaccen bayani game da sarrafa takardar ƙarfe
Ana kiran sarrafa ƙarfen sheet metal processing. Misali, amfani da bututun hayaki na farantin, bokitin ƙarfe, gwangwanin tankin mai, bututun iska, kan girman gwiwar hannu, wurin lambu na rana, funnel, da sauransu. Babban aikin shine yankewa, lanƙwasa gefen maƙalli, lanƙwasawa, walda, riveting, buƙatar wasu ilimin lissafi. Sassan ƙarfen sheet metal parts ne, waɗanda za a iya sarrafa su ta hanyar buga, lanƙwasawa, shimfiɗawa da sauran hanyoyi. Ma'anar gabaɗaya ita ce kauri na sassan ba ya canzawa a cikin tsarin sarrafawa. Daidai da siminti, sassa na ƙirƙira, sassan injina, da sauransu. Zaɓin kayan sarrafa ƙarfen sheet metal da aka saba amfani da su a cikin kayan sarrafa ƙarfe sune takardar sanyi (SPCC), takardar birgima mai zafi (SHCC), takardar galvanized (SECC, SGCC), tagulla na jan ƙarfe (Cu), jan ƙarfe, jan ƙarfe na beryllium, farantin aluminum (6061, 6063, aluminum mai tauri, da sauransu), bayanin aluminum, bakin ƙarfe (madubi, saman zane, saman hazo), bisa ga rawar da samfuran daban-daban ke takawa. Zaɓi kayan da ya bambanta, buƙatar fito daga samfurin amfaninsa da farashinsa da za a yi la'akari da su akai-akai.
Sarrafa takardar ƙarfe
1. Farantin da aka yi wa ado da sanyi SPCC, wanda aka fi amfani da shi don yin fenti da kuma yin burodi, mai rahusa, mai sauƙin samarwa, kauri na kayan ≤3.2mm.
2. Farantin SHCC mai zafi, kayan T≥3.0mm, kuma tare da fenti mai amfani da wutar lantarki, sassan fenti na yin burodi, mai rahusa, amma yana da wahalar siffantawa, galibi tare da guntu-guntu masu lebur.
3. Takardar galvanized SECC, SGCC. An raba allon lantarki na SECC zuwa kayan N da kayan P. Ba a amfani da kayan N galibi don maganin saman kuma yana da tsada mai yawa, yayin da ake amfani da kayan P don fesa sassan.
4. Tagulla; Mafi yawan amfani da kayan aiki masu aiki, maganin saman sa shine plating na nickel, chrome plating, ko kuma ba sa yin magani, mai tsada sosai.
5. Farantin aluminum; Amfani da gabaɗaya na saman chromate (J11-A), oxidation (mai haifar da oxidation, sinadarai), tsada mai yawa, plating na azurfa, nickel plating.
6. Lu: xingcai; Ana amfani da kayan aiki da sassan da ke da tsarin sashe mai rikitarwa sosai a cikin akwatunan sakawa daban-daban, kuma maganin saman iri ɗaya ne da farantin aluminum.
7. Bakin ƙarfe; Ana amfani da shi sosai ba tare da wani magani ba, kuma yana da tsada sosai.
②. Ci gaban sarrafa ƙarfe yana buƙatar kulawa:
1. Ya kamata a rufe hanyar ci gaba, kuma ya kamata ya zama mai sauƙin adana kayan aiki da sauƙin sarrafawa.
2. Zaɓin da ya dace na hanyar sharewa da naɗewa ta gefen, T=2.0 ƙasa da izinin 0.2, T=2-3 rata 0.5, hanyar rufe gefen ta amfani da dogon gefen da gajeriyar gefen (nau'in allon ƙofa)
3. La'akari mai kyau game da ma'aunin haƙuri: bambanci mara kyau yana zuwa ƙarshe, bambanci mai kyau yana zuwa rabi; Girman rami: bambanci mai kyau zuwa ƙarshe, bambanci mara kyau yana zuwa rabi.
③. Tsarin sarrafa ƙarfe na takarda
Ciyarwa: Akwai hanyoyi daban-daban na ciyarwa, galibi waɗannan hanyoyi ne kamar haka
(1). Injin aski: amfani da kayan aski na injin aski ne, galibi ana yin sa ne don shirya shirye-shiryen yin mold blanking, ƙarancin farashi, daidaito bai wuce 0.2 ba, amma ba za a iya sarrafa shi ba tare da yanke kusurwar tsiri ko kayan toshe ba.
(2). Mashin Punch: amfani da mashin punch a matakai ɗaya ko fiye a cikin sassan farantin za a faɗaɗa su bayan an yi bugun yanki mai faɗi wanda ke samar da siffofi daban-daban na kayan aiki, fa'idodinsa sune amfani da ɗan gajeren lokaci, inganci mai yawa, daidaito mai yawa, ƙarancin farashi, ya dace da samar da taro, amma don tsara ƙirar.
(3). NC blanking,: NC blanking da farko don rubuta shirin injin CNC, amfani da software na shirye-shirye, za a jawo shi don haɓaka zane zuwa kayan aikin injin sarrafa lambar NC wanda zai iya gano shirin, bari shi bisa ga waɗannan shirye-shiryen mataki-mataki wuka a kan farantin yana huda siffar farantin, amma tsarinsa ta hanyar tsarin mai yankewa, ƙarancin farashi, daidaito a cikin 0.15.
(4). Yin amfani da Laser blanking, shine amfani da yanke laser, a cikin babban farantin za a sami tsarin siffar farantin da aka yanke, kamar yadda NC blanking ke buƙatar rubuta shirin Laser, yana iya kasancewa ƙarƙashin nau'ikan sifofi masu rikitarwa na sassan farantin, farashi mai yawa, daidaito a cikin 0.1.
(5). Injin yanka: galibi ana amfani da shi a ƙarƙashin bayanin aluminum, bututun murabba'i, bututun ginshiƙi, kayan sandar zagaye da sauransu, mai rahusa, ƙarancin daidaito.
Lokacin Saƙo: Yuli-01-2021