Zane-zanen kayan walda na robotic ba batun rufe sassa zuwa faranti bane. Yana da game da kawar da bambance-bambance kafin robot ma ya motsa axis na farko. Mun ga layukan samarwa da yawa sun tsaya tsayin daka - ba daga mutum-mutumin da ba daidai ba ko waya mara kyau - amma saboda na'urar ta bar sashin ya canza 0.12 mm yayin matsawa. Wannan ƙananan ɓangarorin maɓalli a cikin walda 300, suna juya juriya na ± 0.5 mm na ƙima zuwa ƙima sama da 18%. Daidaitawa yana farawa inda karfe ya hadu da kayan aiki.
Me yasa "Mai kyau isa" Gyaran baya a ƙarƙashin Automation
Walda da hannu yana jure wa karbuwar aiki. ƙwararren walda yana rama ɗan ƙaramin motsi, yana daidaita kusurwar fitila akan tashi, kuma yana karanta murdiya ta zafi kamar harshen jiki. Robots ba sa daidaitawa - suna maimaitawa. Idan na'urar walda ta mutum-mutumi ba ta da wuraren ganowa mai maimaitawa, daidaitaccen rarraba ƙarfi, ko diyya ta haɓakar zafi, ba ku sarrafa ingancin walda ta atomatik ba - kuna sarrafa rashin daidaituwa.
Muna bin diddigin kayan aiki akai-akai wanda masu siyar da motoci Tier-1 suka kawo. Mafi yawan abubuwan rashin nasara? Masu gano fil-da-daji da aka sawa sama da iyakokin ISO 2768-mK. Makullin da aka ɗora lokacin bazara tare da lalata ƙarfi 22% bayan zagayowar 4,000. Farantin gindin da aka karkace daga rashin daidaituwar zafi na rashin daidaituwa-wanda aka auna har zuwa 0.35 mm karkata zuwa tsayin mita 1.2. Waɗannan ba lokuta ba ne. Su ne tushen abubuwan da ke bayan 63% na sake yin aiki na farko da muke gani a cikin sabon ƙaddamar da shirin.
Ayyukan ainihin duniya yana buƙatar fiye da daidaitawar CAD. Yana buƙatar fahimtar yadda ƙarfe mai sanyi ya faɗaɗa a 12.5 µm/m·°C tare da bakin karfe a 17.3 µm/m·°C—da kuma zayyana gidajen nemo waɗanda ke ɗaukar duka biyun ba tare da gabatar da damuwa na parasitic ba. Yana nufin ƙididdige madaidaitan fil ɗin dowel 60 na HRC maimakon daidaitattun fitilun HRC 45 lokacin da ƙidayar zagayowar ta wuce 50,000. Yana nufin tabbatar da matsa lamba a kowane murabba'in milimita-ba kawai jimlar tonnage ba-ta amfani da sel masu ɗaukar nauyi yayin cancanta.
Ka'idojin Tsare-tsaren Tsare-tsare Hudu marasa Taimako
Duk wani babban abin dogaro da na'urar walda ta mutum-mutumi da muke ginawa yana bin waɗannan ƙa'idodin da aka tabbatar da filin:
Gano Maki uku, Ba Hudu ba: Ƙarfin-ƙarfi yana haifar da ɗauri. Muna amfani da hawan kinematic: madaidaicin madaidaicin dowel fil biyu + filaye guda ɗaya, duk an tabbatar da su tare da CMM a kan kiran GD&T — ba kawai kwafin ƙira ba. Ƙarfin Matsala> Ƙarfin Faɗawa Mai zafi: A mafi girman zafin jiki (har zuwa 1,400 ° C a nugget), haɓaka kayan tushe na iya haifar da 1,200 N na ƙarfin gefe akan madaidaicin 300 mm. Maƙuman mu suna isar da ≥2.5x ƙaramin ƙarfin riƙewa, wanda aka auna da ƙarfi-ba a tsaye ba-a yanayin yanayin 120°C. Modular Interface, Ba Monolithic Gina ba: Canjin lokaci yana kashe ROI. Muna haɗa daidaitattun matakan hawa na ISO 841-3 da layin sanyi mai saurin cire haɗin gwiwa. Matsakaicin canji ya ragu daga mintuna 92 zuwa ƙasa da mintuna 14 a cikin rukunin abokan ciniki 17. Gudanar da Weld Spatter azaman Babban AikiSpatter ba tarkace ba ne - gurɓataccen abu ne. Mun shigar da garkuwa mai rufin tagulla, wanda za'a iya maye gurbinsa kai tsaye cikin jikin matse kuma mu gano su tsakanin 8 mm na kowane yanki na walda. Bayanan filin yana nuna wannan yana yanke mitar tsaftace wutar lantarki da kashi 70% kuma yana tsawaita rayuwar da ake amfani da ita da 2.3×. Yadda Zaɓin Abu Yake Canza Komai
Gilashin aluminium suna kallon sumul-amma suna kasawa da sauri a cikin yanayin sake zagayowar babban aiki. Mun bin diddigin awoyi 10,000+ na aiki a cikin iyalai guda uku:
Karfe 4140 (28-32 HRC)Mafi kyawun> Shirye-shiryen sake zagayowar 200,000. Kwanciyar kwanciyar hankali yana riƙe tsakanin ± 0.015 mm sama da watanni 18-har ma tare da hawan keke na yau da kullun. Bakin Karfe 17-4PH (H900): An fi so don yanayin abinci ko lalata. Yana kiyaye daidaiton wurin ganowa bayan sa'o'in fesa gishiri 5,000 - amma farashin 3.2 × fiye da 4140. Ƙarfin ƙarfe EN-GJS-600-3: Ana amfani da shi kawai don manyan majalisai masu girma (> 2.5 m). Dampens girgiza fiye da karfe - amma yana buƙatar sa'o'i 72 na jinkirin damuwa bayan aikin injiniya. Ba mu taɓa ƙayyadadden abu bisa farashi kaɗai ba. Lokacin da abokin ciniki ya nemi mu canza daga 4140 zuwa aluminium don adana $ 1,200 a kowane kayan aiki, mun gudanar da matukin jirgi na watanni 3. Sakamako: 4.8% karuwa a weld porosity, 11% mafi girma yawan amfani da lantarki, da 3.2 ƙarin tabbatarwa yana tsayawa kowane motsi. "Ajiye" ya ɓace a cikin mako na biyu.
Botou Haijun's Fixture Validation Protocol
Kayan aikin mu na jigilar kaya tare da takaddun shaida-ba alkawura ba. Kowane naúrar yana jurewa:
Tabbatarwar CMM kafin taro na duk wuraren gano wuri (ASME B89.1.10M-2018 mai yarda) Matsa ƙarfin taswira a cikin cikakken kewayon tafiya ta amfani da grid firikwensin piezoelectric Gwajin sake zagayowar thermal: hawan keke 50 daga 20 ° C zuwa 180 ° C, auna ma'aunin mahalli a kowane matsananci. Production-layi bushe-gudu: 200 a jere hawan keke tare da ainihin sassa, saka idanu ta hanyar Laser motsi na'urori masu auna sigina Wannan ba aikin injiniya ba ne. Yana hana farashin $ 247,000 na dakatarwar layin samarwa guda ɗaya wanda ya haifar da rashin daidaituwa. Botou Haijun Metal Products Co., Ltd. yana gina tsarin walda na mutum-mutumi wanda ke tsira - ba kawai aiki ba - a cikin masana'antu na gaske. Muna aiki daga birnin Botou, lardin Hebei, inda ake auna ƙarfin ƙarfe mai sanyi a cikin microns, ba millimita ba. Kayan aikin mu mai yarda da ISO yana haɗa tambari, lankwasa, walda, da metrology a ƙarƙashin rufin ɗaya - don haka babu wani abin hannu da ke lalata tarin juriya. Muna isar da ra'ayoyin injiniya a cikin kwanaki uku na aiki. Kalmomin suna zuwa cikin ƙasa da sa'o'i 48. Kuma idan na'urar ba ta riƙe ± 0.02 mm sama da zagayowar 10,000 ba, muna sake yin aiki - babu muhawara.
Domin daidaito ba ƙayyadaddun ba ne. Ita ce tazarar da ke tsakanin abin da mutum-mutumin ke tunanin yana yi-da kuma abin da ɓangaren ke fuskanta. Rufe wannan gibin. Fara da kayan aiki.
