Bita na masana'antu suna buƙatar fiye da shimfidar wuri kawai - suna buƙatar a tebur ƙirƙira nauyi nauyi wanda ke jure tasiri mai maimaitawa, yana riƙe juriya mai ƙarfi a ƙarƙashin kaya, kuma yana tsayawa tsayin daka har tsawon shekaru na walda, lankwasa, da haɗuwa. Mun ga shagunan da yawa suna maye gurbin tebur kowane watanni 18 - sun kau da kai daga damuwa mai zafi, fashe a mahaɗin weld, ko sagging a ƙarƙashin jigs-300-kg. Rashin gazawar baya cikin mai aiki. Yana cikin tushe.
Me yasa Yawancin Teburan Ƙirƙirar Ƙarƙashin Ƙarƙashin Sharuɗɗan Bita na Gaskiya
Yawancin teburi na “masana’antu” sun dogara da bututu mai sirara mai katanga ko firam masu haɗaka. A aikace, suna jujjuyawa ƙarƙashin ƙarfi. Matsakaicin diamita na 12mm yana tafiya 0.3 mm lokacin da kake jujjuya vise zuwa 250 N·m. Wannan kuskuren yana ƙaruwa a ko'ina cikin walda-musamman lokacin gina ƙananan hukumomi don injinan noma ko kayan gini. Mun auna tebur abokin ciniki ɗaya: 1.7 mm jujjuyawar tsaye a tsakiyar ƙarƙashin nauyin nauyin 500 kg. Majalisun gunkinsu sun gaza yin gwajin-daidai kan layukan taro na ƙarshe.
Ba kasafai ake jera maki gazawar duniya a cikin takaitattun bayanai ba. Suna fitowa yayin amfani da su: ƙetare takalmin gyaran kafa wanda ke kwance bayan watanni 6 na MIG spatter; daidaita ƙafafu waɗanda suke yankewa lokacin da aka ja su a kan kankare; T-slot abubuwan da aka cire ta ƙuƙumman-ƙarfi. Waɗannan ba lokuta ba ne. Waɗannan su ne farashin juzu'i na yau da kullun-lokacin sake yin aiki, sassan da aka soke, aikin sake yin aiki. Tebur ba cibiyar farashi ba ce. Yana da yawan haɓaka yawan aiki-ko kwalabe a ɓarna.
Abin da Ya Sa Tebur A Haƙiƙa Mai nauyi-Ba A Lakabi Ta Wannan Hanya ba
Ayyukan aiki mai nauyi na gaske yana farawa da abubuwan da ba za'a iya sasantawa ba guda uku: kaurin abu, amincin haɗin gwiwa, da kwanciyar hankali na geometric.
Tsarin tushe: Mafi ƙarancin 10-mm kauri Laser-yanke karfe farantin karfe tushe-ba folded takardar-tare da cikakken shigar welds a kowane sasanninta da goyan bayan intersections. Farantin karfe: 25-40 mm kauri daidai-ƙasa sanyi-birgima karfe, ba simintin ƙarfe (wanda kwakwalwan kwamfuta a karkashin maimaita tack welds) T-slot tsarin: TS EN ISO 15927-daidaitacce 28 × 28 mm ramummuka, injina kai tsaye a cikin farantin - ba welded akan dogo ba - tare da tsararren ƙwanƙwasa ƙwanƙwasa waɗanda aka ƙididdige su don hawan keken 120,000+ Muna gwada kowane tebur tare da nauyin rarraba nauyin kilogiram 1,000 a fadin cikakken filin sa. Juyawa dole ne ya kasance ƙasa da 0.15 mm kowace mita na tazara. Wannan ba lissafin talla ba ne. Shi ne abin da ke kiyaye sashin yanke Laser ɗin ku a daidaita tsakanin ± 0.05 mm yayin shirye-shiryen walda na mutum-mutumi. Duk wani abu da ya kasa yin sulhu da maimaitawa-kuma maimaitawa shine inda Tier-1 OEMs suka zana layin.
Zaɓuɓɓukan ƙira waɗanda ke da mahimmanci fiye da yadda kuke tunani
Wasu bayanai ana yin watsi da su har sai sun haifar da raguwar lokaci. Ga abin da muke ba da fifiko-kuma me yasa:
Haɗaɗɗen saƙar ƙasa: Ba ƙari ba. Machined a cikin farantin tushe, an haɗa shi zuwa ƙasa ta hanyar braid na 6-mm. Yana hana lalata filasha arc yayin yankan plasma kusa da gefen tebur Tashoshin magudanar ruwa: 3-mm tsagi da aka niƙa tare da duk gefuna huɗu. Yana dakatar da haɗa ruwa mai sanyaya, yana kawar da tarko mai tsatsa, kuma yana barin niƙa slurry gudana a fili Babu kogon ciki: Ƙananan ƙafafu suna tarkon danshi da girgiza. Firam ɗin mu yanki ne mai ƙarfi ko kuma an rufe shi gabaɗaya tare da huɗaɗɗen ramukan kuka - ba bututun da ba a taɓa ƙarewa ba. Wani abokin ciniki na Arewacin Amurka ya canza daga teburin masu gasa bayan na'ura mai ba da hanya tsakanin hanyoyin sadarwa na CNC ya yi rawar jiki sau biyu a kowane motsi. Tushen dalili? Mitar resonant ya yi daidai da 12,000 RPM na igiya. Mun sake fasalin bayanin martaba na tushe-ƙara taro a wuraren nodal, damping damp ta hanyar keɓewar elastomer. Vibration ya ragu da kashi 87%. Wannan ba sa'a ba ne. Ƙarfe ne da injiniya mai ƙarfi da aka yi amfani da shi a saman kayan aiki.
Zaɓan Abokin Hulɗa Na Dama—Ba Tebur Da Ya Dace kaɗai ba
A tebur ƙirƙira nauyi nauyi kawai yana ba da ƙima idan ya haɗa cikin aikin ku-ba tarin ku ba. Wannan yana nufin goyan baya bayan bayarwa: bita na DFM kafin yanke farantin farko, nazarin juriyar juriya don kayan aikin jig ɗin ku, da cancantar tsarin walda don haɗin gwiwa na tushe-zuwa-ƙafa.
Botou Haijun Metal Products Co., Ltd. yana gina waɗannan tebura a cikin gida-babu ɗan kwangilar walda, babu injinan waje. Kowace naúrar ta wuce ingantaccen CMM akan ainihin zanen GD&T. Kowane jigilar kaya ya haɗa da rahotanni masu girma da injiniyoyin QA suka rattaba hannu, rajistan gwajin feshin gishiri don saman rufi, da takaddun shaida na niƙa don kayan tushe. Ba mu aika "mai kyau sosai." Muna jigilar kayayyaki "a shirye don samarwa gobe."
Abokan cinikinmu-Masu samar da OEM a Jamus, masu ƙirƙira Tier-2 a Texas, masu haɗa kai da kai a Singapore-ba su zaɓi mu don farashi ba. Suna zaɓe mu saboda lokacin da samfurin su ya gaza a tabbatarwa, injiniyoyinmu sun shiga kiran cikin sa'o'i 3-ba kwanaki 3 ba. Domin lokacin da walƙiya ta fashe, muna jan bayanan simintin na thermal-ba maganar garanti ba. Domin ba a yi alkawarin dogaro ba. An tabbatar da shi-a cikin kowane katako mai walƙiya, kowane saman ƙasa, kowane rami wanda har yanzu yana karɓar matsi na mm 20 bayan zagayowar 14,000.
Idan taron bitar ku yana gudanar da babban gauraya, ƙirƙira ƙarancin ƙaranci-ko tura matsakaicin batches cikin samarwa - kuna buƙatar fiye da teburi. Kuna buƙatar jirgin sama mai tunani wanda baya yin ƙarya. Fara da tsauri. Gina kan ganowa. Isar da amincewa. Wannan shine yadda aikin ƙarfe na masana'antu ke samun amana-ɗaya mai maimaitawa, sashi mai tsayi a lokaci guda.
