A daidaici tebur karfe ƙirƙira tebur ba kawai yanayin aiki ba - shine ginshiƙi na zahiri na sarrafa juzu'i, maimaitawa, da amincewar ma'aikaci. Mun kalli injiniyoyi suna sake daidaita sel ɗin samarwa gabaɗaya saboda teburinsu ya karkace a ƙarƙashin hawan keken zafi. Mun ga masu aiki masu lankwasawa sun dakatar da tsakiyar zagayowar don ɓata tazarar 0.15 mm-kawai don gano tushen dalilin shine shimfidar tebur da ke juye sama da ± 0.2 mm sama da 1,200 mm. A cikin babban aikin ƙarfe na takarda mai haƙuri, tebur shine inda lissafin lissafi ya fara.
Botou Haijun Metal Products Co., Ltd. yana gina abubuwan haɗin gwiwa don masu siyar da kera motoci na Tier-1 waɗanda suka ƙi ɓangarorin tare da tarin juriyar jurewar da ya wuce ± 0.12 mm. Don saduwa da waccan, kowane sashi na samfuri, kowane mahalli mai zurfi mai zurfi, kowane taron welded yana farawa akan saman da aka ƙera don kwanciyar hankali-ba dacewa ba. Wannan yana nufin faranti na simintin ƙarfe tare da shekaru 30+ na shekaru na kawar da damuwa, ba welded firam ɗin ƙarfe masu yuwuwa zuwa ƙananan sauye-sauye ba bayan maimaita matsi. Yana nufin granite ƙasa ko taurin saman faranti na ƙarfe tare da bokan da aka ba da izini zuwa ISO 10791-7 Class 4 (≤0.015 mm/m), wanda aka tabbatar ta amfani da interferometry na Laser-ba alamun bugun kira kadai ba. Mafi mahimmanci, yana nufin haɗa teburin cikin cikakken tsari: Matsayin latsa CNC, wuraren tabbatarwa na CMM da aka gina a cikin saman, da kuma tsarin T-slot wanda ya dace da tsarin daidaita na'ura-ba a ƙara shi azaman tunani ba.
Wasu na iya jayayya cewa tebur na zamani na $2,000 yana magance matsala iri ɗaya da dandamalin injiniyan $12,000. Amma a cikin ƙaddamar da ainihin duniya, wannan zato ya gaza a wurare uku masu mahimmanci. Na farko, zazzagewar zafi: Teburan aluminum masu nauyi suna faɗaɗa 2.3 × sauri fiye da ƙarfe. Canjin yanayi na 5°C yayin saitin safiya na iya haifar da kuskuren matsayi na 0.08 mm a kan shimfidar 1,000 mm - ya isa ya daidaita yanayin ramin don kayan walda na mutum-mutumi. Na biyu, rarraba kaya: madaidaitan allunan ba safai suna tantance jujjuyawar juzu'i a ƙarƙashin nauyin maki 500. Mun auna har zuwa 0.32 mm sag a cikin matakin-shigarwa raka'a a lokaci guda maƙalar maki-yawan-canja wurin kuskure kai tsaye zuwa kusurwar lanƙwasa. Na uku, ingantacciyar mu'amala: bolted-on tooling plates sau da yawa ba su da rajistar dowel-pin, barin daidaitawa tsakanin saiti. A Haijun, duk teburin samarwa suna amfani da taurin hannun dowel na ƙarfe tare da ≤0.005 mm share-to-pin clearance-kuma kowane faranti ana taswira ta hanyar CMM kafin sakin.
Me ke raba saman aiki da gaskiya tebur karfe ƙirƙira tebur ya sauko zuwa iyakoki guda huɗu waɗanda ba za a iya sasantawa ba:
Tsayar da kwanciyar hankali a ƙarƙashin nauyin zafi da na inji: Tabbatarwa a 25 ° C ± 1 ° C, sa'an nan kuma sake dubawa bayan 8 hours na 60 ° C bayyanar iska da 300 kg rarraba loading Haɗin kai tsarin tunani: Haɗe-haɗen ramukan zaren M8 akan grid 100 mm, tare da daidaiton matsayi wanda za'a iya gano shi zuwa ma'aunin NIST Gudanar da ƙarfi mai ƙarfi: T-ramummuka da aka ƙididdige don ≥12 kN mai ɗaukar nauyi a kowane yanki na 100 mm, tare da jujjuyawar sifili a ƙarƙashin cikakken juzu'i Tabbatar da dacewa da kayan aiki: Abubuwan da aka gama zuwa Ra ≤0.4 µm don sarrafa bakin karfe da aluminum-babu micro-scratching yayin canja wurin sashi. Ba ma sayar da tebura a matsayin abubuwan keɓewa. Mun sanya su a cikin aikin aikin injiniya. Lokacin da abokin ciniki na kayan aikin gona na Turai ya buƙaci maimaitawa a cikin ayyukan 14 na lanƙwasawa akan shingen chassis guda ɗaya, mun haɗu tare da tsara tebur tare da daidaita tsayin yanki-dual-sashe da aka kulle a 920 mm don ƙirƙirar da hannu, ɗayan kuma a 850 mm don loda mutum-mutumi-duka biyu suna raba jirgin datum guda ɗaya. Lokacin da na'ura mai sarrafa kansa ta Arewacin Amurka ya buƙaci sake yin aikin sifili akan faranti masu hawa Laser, mun ba da teburi tare da gefuna na mashin da aka riga aka yi daidai da faɗin fiber-laser kerf (± 0.02 mm). Wannan ba keɓancewa bane. Yana da lissafin lissafi da aka fassara zuwa karfe da granite.
Duba gaba: Na gaba tsara na tebur karfe ƙirƙira tebur tsarin ba kawai zai riƙe sassa ba - za su auna su. Lab ɗin R&D na Haijun yanzu yana tabbatar da ma'aunin ma'aunin ma'auni da na'urori masu auna matsuguni waɗanda ke ciyar da bayanan ɓata lokaci na gaske ga tsarin MES. Ba a matsayin sabon abu ba, amma azaman shigarwar sarrafa madauki mai rufaffiyar: idan haɓakawar thermal ta canza datum Y-axis da 0.03 mm, birki na CNC yana ramawa ta atomatik. Wannan matakin haɗin kai yana aiki ne kawai lokacin da tebur ya daina zama kayan ɗaki kuma ya zama wani ɓangare na ingantaccen gine-gine. Don ƙungiyoyin gina abubuwan haɗin gwiwa inda ± 0.05 mm ke ƙayyade gazawar filin — ko kuma inda 95% isar da saƙon kan lokaci ke jingina kan nasarar farko-tebur ɗin ba shine farkon ba. Garanti ne na shiru.
