Kowane madaidaicin walda yana farawa ba da baka-amma tare da saman da baya motsawa. A ƙirƙira jig tebur ba karfe ne kawai a kafafu ba. Abokin zaman shiru ne a cikin kowane taro mai maimaitawa: tushe wanda ke riƙe juriya fiye da kiran GD&T ɗinku, yana ɗaukar rawar jiki kafin ya ɓata fillet, kuma yana mai da ƙwarewar ma'aikaci zuwa daidaiton tsari.
Mun kalli shaguna da yawa suna korar murdiya kawai don gane tushen dalilin ba shine shigar da zafi ba - motsi ne a lokacin matsewa. A cikin aikin kayan aikin noma ɗaya a bara, kuskuren tari na abokin ciniki ya kai ± 0.8 mm a cikin ramuka 12. Sun haɓaka bindigar MIG ɗin su, sun ƙara tsabtace iskar gas, har ma da horar da masu walda akan sigogin bugun jini. Gyaran? A sake-injiniya ƙirƙira jig tebur tare da filaye masu gano motsin motsi, tauraruwar dowel bushings, da matsi mai kunna wasan sifili. Bambancin ƙarshe ya ragu zuwa ± 0.15 mm — a cikin ƙayyadaddun bayanai, ba tare da sake yin aiki ba.
Me yasa "Table Kawai" Ya Kasa Karkashin Kayan Duniya na Gaskiya
Tebur jig dole ne yayi abubuwa uku lokaci guda: gano wuri, takura, da tsira. Ba duka suke yi ba.
Ganowa yana nufin maimaitawa-ba kawai bugawa wuri ɗaya sau ɗaya ba, amma yin shi sau 500 a cikin sauye-sauye, sauye-sauyen yanayi, da kayan aiki. Muna amfani da ƙasa bakin karfe gano nests tare da ± 0.01 mm flatness, ba machined farantin. Takurawa yana nufin hana digiri shida na 'yanci-ba kawai danna ƙasa ba, amma juriya daga ɗagawa, murɗawa, da raƙuma na gefe yayin haɓakar zafin walda. Wannan shine dalilin da ya sa tebur ɗin mu ya haɗu da welded-in T-slot dogo tare da ƙima mai ɗaukar nauyi-ba na'urorin haɗi ba. Mai tsira yana nufin riƙe calibration bayan wucewar walda 3,000+, ba kawai tsira daga hasken farko ba. Muna ƙarfafa dukkan faranti na tushe bayan aikin injiniya kuma muna tabbatar da kwanciyar hankali tare da sharewar CMM kafin niƙa saman ƙarshe. Skimp akan kowane ɗayan-kuma kuna biyan kuɗi a cikin tarkace, sake yin aiki, ko jigilar kaya. Mun ga abokan ciniki sun maye gurbin ƙwayoyin robotic $ 120k saboda teburin jig ɗin su ya karkata a ƙarƙashin keken zafi. Gyara tebur yana kashe 7% na farashin robot. Kuma aka kawo a cikin kwanaki 11.
Abin da Injiniya Ake Bukata—Ba Abin da Rubuce-rubucen Yayi Alkawari ba
Wasu masu ba da kaya suna lissafin “± 0.05 mm daidaito” ba tare da faɗin yanayi ba: zafin ɗakin? Babu jiƙa na thermal? An sauke? Daidaiton duniya na ainihi ya dogara ne akan yadda tebur ke aiki lokacin da kuke walda da karfe 4 na safe, tare da yanayin yanayi yana jujjuya 15°C na dare.
Shi ya sa muke gina kowane ƙirƙira jig tebur don juriyar aiki:
Kayan tusheASTM A572 Grade 50 tsarin karfe - ba karfe mai laushi ba - zafin zafi zuwa 220-250 HB taurin, sannan daidaitaccen ƙasa zuwa 0.005 mm flatness akan 2 m². Tsarin hawa: Haɗe-haɗe 10-mm T-slot dogo tare da taurare saka tube (62 HRC), gwada zuwa 12,000 N clamping ƙarfi kowane sashi na dogo. Gudanar da thermal: Zaɓuɓɓuka masu sanyaya ruwa na zaɓi don aikace-aikacen sake zagayowar babban aiki-an gwada har zuwa 200 welds / hour ba tare da jujjuyawar aunawa ba. Modularity: Madaidaitan wuraren mu'amala suna barin masu amfani su musanya masu gano wuri, ƙara maƙallan huhu, ko haɗa maƙasudin daidaita hangen nesa - duk ba tare da hako sabbin ramuka ba. Ba mu sayar da "tebur" ba. Muna isar da tsarin daidaitawa. Kowane rukunin yana jigilar kaya tare da cikakken rahoton CMM yana nuna fa'ida, daidaitawa, da daidaitaccen layin dogo zuwa dogo-wanda ake iya ganowa zuwa ma'aunin NIST.
Babu Mafi Karanci. Babu Aiki. Babu Rarraba Kan Traceability
Ƙananan batches bai kamata ya zama kayan aiki na mataki na biyu ba. Ɗaya daga cikin masu siyar da kera motoci na Tier-1 na Turai yana buƙatar jigi na al'ada 14 - don ingantaccen samfuri akan sabon sashin baturin EV. Dillalin su na baya ya nakalto makonni 12 kuma yana buƙatar mafi ƙarancin raka'a 50. Mun isar da cikakken dubawa guda 14, ingantattun allunan CAD a cikin kwanaki 16. Kowane rukunin ya haɗa da bayanin kula na DFM, shawarwarin jeri na weld, da takaddun kayan aiki don EN 10131 DC04 ƙarfe mai birgima mai sanyi.
Wannan yana aiki ne saboda ƙarfinmu yana tsaye-ba a layi ba:
Zane: Injiniyoyin GD&T na cikin gida suna duba ƙirar ku ta 3D da haɗarin kutse ta tuta kafin faɗin magana. Gina: Yanke plasma na CNC, walƙiya na robotic na kayan aikin ƙasa, da kammala saman da hannu-duk ƙarƙashin rufin da aka tabbatar da ISO 9001 guda ɗaya. Tabbatarwa: Kowane tebur yana fuskantar gwaji na aiki tare da sassan samarwa da ainihin manne-ba kawai calipers ba. Taimako: Bayan jigilar kaya, muna riƙe bayanan ku na CMM, taswirar walda, da kuma nazarin tari na haƙuri don sake dubawa na gaba. Babu fitar da waje. Babu handoffs. A'a "za mu bincika da masana'antu." Ƙungiya ɗaya kawai - daga ƙididdiga zuwa ƙaddamarwa.
Matakin ku na gaba Ba Wani Magana bane. Ƙa'idar Tabbatarwa ce.
Kafin ka sanya hannu akan wani ƙirƙira jig tebur, tambaya: Shin ya zo da madaidaicin kwanciyar hankali na thermal? Shin za ku iya tabbatar da lallashin sa a ƙarƙashin kaya-ba kawai a hutawa ba? An tsara tsarin gano wuri don mafi munin yanayin jujjuyawar juzu'i-ko kawai madaidaicin lissafi?
Botou Haijun Metal Products Co., Ltd. yana gina teburin jig inda niyyar injiniya ta hadu da gaskiyar kanti. Mun aika sama da madaidaicin tsarin jig guda 870 tun daga 2019 - ga abokan ciniki a Jamus suna gina injin injin iska, ga kamfanonin fasaha na Amurka waɗanda ke haɗa firam ɗin feshi masu cin gashin kansu, ga masu samar da EMS na kudu maso gabashin Asiya suna haɗa kayan aikin injiniyoyin likita. Duk suna raba buƙatu ɗaya: rashin haƙuri don matsawar matsayi.
Idan taron ku na gaba yana buƙatar maimaitawa-ba bege ba-fara da gaskiyar zahiri. Fara da a ƙirƙira jig tebur injiniyoyi don riƙe ƙasa, walda bayan walda, shekara bayan shekara.
