Makusan teburin jig ɗin walda ba kayan haɗi ba ne. Su ne tushen shiru na maimaitawa-abin da ke raba walda guda ɗaya da taron da aka shirya. Mun ga shagunan da yawa sun rasa mintuna 12-18 a kowane saitin saboda ƙullun su suna zamewa a ƙarƙashin 3,000 psi clamping ƙarfi, ko kasa riƙe ± 0.15 mm haƙuri a kan 600 mm aluminum chassis. Madaidaici yana farawa ba tare da tocila ba - amma tare da tsayin daka da tsinkaya sashin ya tsaya.
Me yasa "Stable" Bai Isa ba-Abin da Matsalolin Jig Tebur Na Gaskiya Dole ne Ya Isar da su
Yawancin masu siye suna neman "ƙarfi" ko "aiki mai nauyi." Wannan tarko ne. Ƙarfi ba tare da maimaitawa ba yana lalata ƙarfe. Matsawa da ke ba da ƙarfi 8,000 N yana nufin kome ba idan pivot ɗin sa ya sa bayan zagayowar 400-ko kuma idan farantin sa ya faɗo a ƙarƙashin keken zafi. A Botou Haijun Metal Products Co., Ltd., muna gwada kowane matsi na tebur na walda a kan maƙasudai guda uku waɗanda ba za a iya sasantawa ba: riƙe matsayi, kwanciyar hankali mai zafi, da amincin mu'amala.
Tsayawan matsayi yana nufin matsi yana riƙe wuri ɗaya - a cikin 0.05 mm - bayan 1,200 actuations. Zaman lafiyar zafin jiki baya buƙatar jujjuyawar ma'auni lokacin da aka fallasa su zuwa 120°C na yanayi yayin waldawa da yawa. Mutuncin mu'amala yana tabbatar da haɗin manne-zuwa-tebur (T-slot, dovetail, or bolt pattern) baya sassautawa bayan sake zagayowar juzu'i-har ma a 18 N·m akan maɗauran M8.
Mun gina ƙarni na farko na madaidaicin madaidaicin a cikin 2017 bayan abokin aikin injinan Tier-1 ya ƙi samfuran masu siyarwa uku. Duk sun gaza gwajin iri ɗaya: riƙe ma'auni na bakin karfe mai ma'auni 12 yayin walda fillet biyu na mm 4 baya-baya. A murdiya? 0.42 mm. Takaddun su ya ba da izinin 0.10 mm. Wannan gazawar ta sake fasalin falsafar ƙirar mu - dole ne ƙugiya ta takura * motsi *, ba kawai tsayayya da * lodi * ba.
Tsare-tsare Hudu Masu Hana Gasuwar Duniya ta Gaskiya
1. Taurare muƙamuƙi na ƙarfe tare da abubuwan da za a iya maye gurbinsu da tungsten-carbide: Standard taurare karfe sawa da sauri a kan abrasive aluminum gami. Abubuwan da muke sakawa sun wuce 3.2 × tsayi fiye da jaws monolithic-kuma farashin ƙasa da kashi 15% na cikakken muƙamuƙi.
2. Injin jujjuyawar sifili-baya tare da preloading na bazara biyu: Yawancin ƙugiya masu juyawa suna amfani da dawowar bazara ɗaya. Karkashin jijjiga, suna zazzagewa a buɗe. Namu yana amfani da maɓuɓɓugan ruwa masu gaba-ɗaya-ɗayan yana matsawa kamar yadda ɗayan ke faɗaɗa-kawar da wasa koda bayan zagayowar 5,000+.
3. Haɗe-haɗe-haɗe-haɗe-haɗe-haɗe: Kowane tushe mai matsi ya haɗa da injina, fuskokin datum na ƙasa masu daidaitawa zuwa ± 0.005 mm flatness. Babu shimming. Babu zato. Kawai jefa shi cikin T-slot kuma tabbatar da murabba'i tare da alamar bugun kira.
4. Material-mace da thermal fadada coefficients: Matsa jiki suna sanyi-ƙirƙira 4140 gami; hawa faranti ne 304 bakin. Me yasa? Domin lokacin da tantanin halitta na walda ya kai 95°C, haɓakawar da ba ta dace ba tana fasa sansanonin haɗin gwiwar epoxy. Muna guje wa manne gaba ɗaya-kowane haɗin gwiwa na inji ne, daidaitacce, kuma mai iya aiki.
Lokacin Saita Kudanci Ne—Ba Fasalo Ba
"Sauƙaƙen saitin" yana sauti mara kyau har sai kun sake saita na'ura mai ma'ana 12 don sabon firam ɗin tarakta. Abokin ciniki ɗaya ya bin diddigin ainihin aiki: matsakaicin lokacin saitin ya ragu daga mintuna 22.6 zuwa mintuna 6.3 bayan sauya zuwa tsarin mu na kulle-kulle da sauri. Maɓallai masu kunnawa? Na farko, daidaitattun ramukan hawa M6 da aka baje a tazara na mm 25-babu hakowa da ake buƙata akan teburin jig ɗin da ke akwai. Na biyu, levers actuation mai lamba (ja = matsa ƙasa, shuɗi = saki, rawaya = matsayin kulle). Na uku, amsa mai taɓi: danna sau biyu na musamman yana tabbatar da cikakken haɗin kai-babu tabbacin gani da ake buƙata.
Ba mu bayar da mannen "duniya". Universal yana nufin sasantawa. Madadin haka, muna rukuni ta aikace-aikacen: manyan matsi masu ƙarfi a tsaye don katako na tsari (har zuwa 12,500 N), ƙananan ƙarancin bayanan martaba don nests-karfe (ƙarfe mafi ƙarancin 0.8 mm), da matsi na kusurwa tare da ± 5 ° micro-daidaita don flanges mara kyau. Kowanne iyali yana da mahaɗa mai hawa iri ɗaya-don haka shagunan su daidaita ƙarfin ba tare da sake horar da ma'aikata ko sake fasalin tebur ba.
Aminta tana farawa da Ganowa-Ba Takaddun shaida ba
Abubuwan takaddun shaida na ISO 9001 - amma kawai idan ana iya gani a cikin samfurin. Kowane madaidaicin tebur ɗin jig ɗin walda daga Botou Haijun yana ɗaukar lambar serial-etched Laser da ke da alaƙa da cikakken tarihin bincikensa: rahoton gwajin niƙa, tabbatar da ƙarfi (HRC 48-52), sikanin CMM na mahimman bayanan datum, da bayanan gwajin aiki. Abokan ciniki suna samun damar wannan ta lambar QR akan marufi-ba shiga, babu tashar jiragen ruwa, babu jira.
Muna jigilar ƙuƙuka tare da madaidaicin magudanar wuta-ba kayan aikin gama-gari ba. Me yasa? Domin mu M8 fasteners bukatar daidai 16.5 ± 0.3 N·m. Kadan kaɗan: sassautawa ƙarƙashin girgiza. Da yawa: zaren galling a cikin allunan aluminum. Mun haɗa da takardar shaidar tantancewa-mai aiki na tsawon watanni 12-tare da kowane oda sama da raka'a 10.
Botou Haijun Metal Products Co., Ltd. yana gina maƙallan tebur na walda don injiniyoyi waɗanda ke auna nasara a microns, ba taken talla ba. Muna kera a cikin birnin Botou - zuciyar masana'antar sanyi ta kasar Sin - inda ake aiwatar da juriya ta shekaru da yawa na kwarewar gama kai, ba kawai injuna ba. Kayan aikinmu yana gudanar da matakai masu dacewa da ISO, amma abin da abokan ciniki ke tunawa shine yadda matsi ya kasance gaskiya ta hanyar welds 14,000 akan layin samar da lokacin girbi a Kansas-kuma har yanzu ana jigilar kayan maye a cikin sa'o'i 48 lokacin da mutum ya lalace ta hanyar tasirin cokali mai yatsa.
Idan na'urar walda ta gaba tana buƙatar daidaito, kwanciyar hankali, da saitin mai sauƙin gaske-fara inda maimaitawar zata fara. Fara da manne.
