Lokacin da ƙungiyoyin masana'antu ke buƙatar farfajiyar aiki wanda ba za ta taɓa cin zarafi na yau da kullun ba - har yanzu ya dace ta daidaitaccen kofa ba tare da cokali mai yatsa ba - BRC tebur tebur yana ci gaba da nunawa a cikin guraben kayan aiki, motocin hidimar fage, da ƙwanƙwasa sel masana'antu a Arewacin Amurka da Turai. Mun ga an tura shi a wuraren gine-gine inda ƙurar ƙura ta toshe zane-zane, a cikin ɗakunan R&D na aikin gona inda maiko da ruwan ruwa ke zama na yau da kullun, kuma a cikin Tier-1 mai samar da motoci masu tsabta da ɗakuna inda haƙurin kwanciyar hankali ya kasance ± 0.3 mm sama da mita 1.2. Ba shi da walƙiya. Ba ya da'awar zama "mai hankali." Amma yana magance matsaloli guda uku mafi yawan benches na aiki suna watsi da su: nauyi da tsauri, lokacin taro tare da daidaiton tsari, da juriya na lalata da tsada.
Me yasa "Ring" Ba Zabin Zane kawai ba - Dabarar ɗaukar Load ne
Yawancin teburan aikin ƙarfe da aka hatimi suna amfani da faranti mai ƙarfi ko faranti. Teburin raga na BRC yana amfani da grid ɗin ragamar waya mai welded - yawanci 6mm diamita bakin karfe ko na'urorin da aka yi birgima mai sanyi wanda aka raba a cibiyoyi 25 mm. Wannan juzu'i yana ba da wani abu mai ƙarfi faranti ba zai iya ba: taurin sassauƙa da aka rarraba tare da ƙarancin 42% ƙasa. A cikin gwaji na zahiri, naúrar BRC mai nauyin 1200 × 750 mm tana goyan bayan nauyin 185 na tsakiya tare da karkatarwa a ƙarƙashin 1.1 mm-yayin da nauyin kilogiram 14.3 kawai. Kwatanta wancan zuwa wani kwatankwacin madaidaicin madaidaiciyar saman a 24.7 kg da jujjuyawar 2.8 mm. Ramin ba shi da rauni; an ƙera shi don tsayayya da tsautsayi * a cikin jirgin sama *, ba kawai a tsaye ba. Abin da ya sa masu fasaha ke ba da rahoton sifili "wobble" lokacin da ake tursasawa 120 N·m wheel hub a saman-kuma dalilin da yasa kayan aikin daidaita rawar jiki ke tsayawa tsayin daka yayin saitin sa'o'i da yawa.
Majalisar da ta dace da Jadawalin ku, Ba Jadawalin Lokaci ba
"Sauƙi-zuwa-harhada" yana nufin abubuwa daban-daban ga masu amfani daban-daban. Ga mai tsara tsare-tsare a cikin Wisconsin, yana nufin samun duk kayan aikin da aka riga aka jera a cikin jakunkuna masu lakabin-ba sako-sako da kusoshi a cikin kulle zip guda ɗaya ba. Ga mai sarrafa dabaru a Rotterdam, yana nufin babu kayan aikin musamman da ake buƙata fiye da maɓallin hex 5 mm (an haɗa) da ƙasa da mintuna 8 don cikakken gini. Tsarin BRC yana amfani da ƙwayayen kamamme, haɗin gwiwar flange masu daidaita kai, da madaidaitan fil ɗin ganowa waɗanda ke danna wurin kafin a ƙara. Babu shimming. Babu matakin gwaji-da-kuskure. Babu ƙayyadaddun juzu'i sama da 8 N·m. Mun bi diddigin gine-ginen filin 37 a cikin ƙasashe huɗu: matsakaicin nasarar farko-lokaci shine 94%. Sauran 6%? Duk an gano su zuwa ga ɓacewar mai wanki ɗaya - ba daidai ba ko zaren da aka cire. Wannan amincin ya fito ne daga Botou Haijun Metal Products Co., Ltd.'s stamping na cikin gida da sarrafa lankwasawa: kowane sashi, hannun ƙafa, da takalmin gyaran kafa an kafa su a cikin saiti ɗaya akan matsi na hydraulic CNC, yana kawar da juriyar juriyar juriya tsakanin ƙananan abubuwa.
Ƙarfafa Za Ka iya Tabbatarwa-Ba Alƙawari kawai ba
Hasken nauyi ba yana nufin mai rauni ba - idan kayan aiki da tsari sun sarrafa shi. Kowane tebur ragamar BRC yana farawa da ƙwararriyar ƙarfe mai birgima mai sanyi (SPCC-SD, Q235B) ko bakin bakin 304, mai iya ganowa zuwa rahotannin gwajin niƙa. Maganin saman ba wani tunani ba ne: murfin lantarki (E-coat) yana rufe 100% na suturar weld da cavities na ciki - ba kamar gashin foda ba, wanda ke barin ƙananan ƙananan abubuwa a wuraren da zafi ya shafa. Gwajin fesa gishiri yana tabbatar da sa'o'i ≥720 zuwa farin tsatsa akan bambance-bambancen ƙarfe mai rufi. Don nau'ikan nau'ikan bakin karfe, raga yana fuskantar wucewa ta ASTM A967, wanda aka tabbatar ta hanyar gwajin tabo na jan karfe sulfate. Abin da masu amfani ke lura da shi ba ƙayyadaddun takaddun ba ne - ramukan ƙulla suna kasancewa da tsabta bayan shekaru biyu na amfani da bene na kanti, kuma ƙafafun ƙafafu ba su nuna ƙaramar fashewa ba inda suke tuntuɓar benayen siminti mai rufin epoxy.
Matsalolin Aiwatar da Haƙiƙa—Da Yadda BRC Ke Magance Su
Wurare masu iyakacin sarari: Tsayin ninkewa shine mm 128-ya yi daidai da yawancin katakon katako. Ƙafafun sun ware ba tare da kayan aiki ba kuma suna gida a cikin firam ɗin raga. Babu tsayawa ta dindindin: Haɗaɗɗen ƙafar ƙafar roba na anti-slip (Shore A 60) suna hana ɓarna a gefe a kan gangara-har ma a karkata 8° yayin gyaran kayan aikin hannu. Haɗin kayan aiki yana buƙatar: Madaidaitan ramukan diamita na mm 16 da aka yi nisa akan grid 50 mm suna karɓar madaidaitan maɗaukaki, filayen vise, da makamai masu haske ba tare da hakowa ko adaftan ba. Yarda da tsari: TS EN 10219-2 abubuwan buƙatun kayan inji don sassan da aka yi sanyi da aka yi amfani da su a cikin ƙafafu; Ƙarfin jujjuyawar raga ≥520 MPa ta ISO 6892-1. Botou Haijun ba ya jigilar kayayyaki iri-iri. Kowane oda na tebur na BRC ya haɗa da tabbatarwar shimfidar wuri na CAD, ra'ayoyin DFM kan abubuwan hawa na al'ada, da rahotannin dubawa da injiniyoyin QC suka sanyawa hannu-ba kawai takaddun shaida ba. Wannan shine yadda maimaita abokan ciniki a Jamus da Kanada ke kula da ƙimar dawowar filin ≤0.7% a cikin raka'a 11,000+ da aka aika tun 2021.
The BRC tebur tebur ya yi nasara saboda ya ki cika alkawari. Ba zai maye gurbin farantin granite don dakunan gwaje-gwaje na awoyi ba. Ba zai goyi bayan nauyin nauyin kilogiram 500 ba kamar benci na katako mai walda. Amma inda motsi, saurin tura aiki, kwanciyar hankali na tsawon lokaci, da rayuwar sabis ɗin da ake iya tsinkaya sun fi mahimmanci fiye da ƙayyadaddun ƙididdiga - yana bayarwa. Ga ƙungiyoyin sun gaji da zaɓar tsakanin "haske amma mai ban tsoro" da "m amma maras motsi," wannan shine saman aikin wanda a ƙarshe ya daina tilasta yin ciniki. An gina shi inda ƙwarewar ƙirƙira sanyi ta gamu da sakamako na gaske-kuma an gwada inda ake auna haƙuri a cikin microns, ba ƙasidu na talla ba.
