Lokacin da injiniyoyi suka bayyana a hardware clamping fixture factory, Ba wai kawai masu samar da sassa na ƙarfe ba ne - suna zaɓar abokin tarayya wanda zai iya ɗaukar juriya fiye da ± 0.005 mm a ƙarƙashin nauyin hydraulic 300-bar, yayin da yake tsayayya da galling a cikin kujerun cobalt-alloy valve. Wannan shine gaskiyar aiki a bayan kowane gidaje na matsi na bawul ko piston famfo Silinda muke inji a QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD.
Madaidaicin Farawa Inda Ƙarfin Ƙarfin Ƙarfin Ya Haɗu da Geometry
Matakan ɗamara ba kayan aikin taimako ba ne—sun kasance tushen shiru na maimaitawa. A cikin kayan aikinmu na ISO da ke Qingdao, mun ga ayyuka da yawa sun tsaya tsayin daka saboda na'urorin da ba su da tushe suna jujjuyawa yayin aikin niƙa mai sauri na AMS 5387 cobalt gami gidaje. Sakamakon? Bambancin 0.012 mm akan mahimmin farfajiyar hatimi - isa ya haifar da ɗigogi a cikin tubalan na'ura mai ɗaukar hoto wanda aka ƙaddara don ma'aunin mai na teku.
Muna gina kayan gyara kayan aiki na al'ada ne kawai lokacin da yanayi guda uku suka daidaita: na farko, sashin lissafi yana buƙatar kamewa mai yawan axis (tunanin tapered winch center shaft rollers tare da flanges asymmetric); na biyu, hali na kayan aiki yana buƙatar hanyoyin haɓaka yanayin zafi mai sarrafawa a lokacin maganin zafi; na uku, GD&T callouts sun haɗa da haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin matsayi na haɗe-haɗe da ke nuni da datums da yawa a lokaci guda.
Kayan aikin mu suna haɗa faranti mai tauri na ƙarfe, fitilun gano ƙasa tare da ≤0.002 mm runout, da maɗaɗɗen huhu waɗanda aka daidaita su zuwa 12-18 kN ƙarfi — auna layin layi, ba ƙididdigewa ba. Kowane ƙira yana ɗaukar ingantacciyar FEA don jujjuyawa a ƙarƙashin mafi munin yankan kaya, sannan tabbatarwa samfur ta amfani da sikanin CMM kafin a saki zuwa samarwa.
Me yasa Haɗin Kai tsaye Yana Canza Ayyukan Tsayawa
Wasu masu samarwa suna fitar da simintin gyare-gyare, injina, da gamawa don raba masu siyarwa. Ba mu. Lokacin da kuke buƙatar masana'antar ƙwanƙwasa kayan aiki wanda ke fahimtar yadda microstructure ɗin yashi-simintin ƙarfe ke shafar rawar rawar jiki yayin shirye-shiryen rami mai ƙarfi-ko yadda ƙimar ƙarfin aikin T800 cobalt alloy ke canza matsi-pad lalacewa rayuwa- kuna buƙatar ci gaba da tsari.
Tarin mu na tsaye yana ba da fa'idodi masu aunawa:
- Kwanciyar kwanciyar hankali: Simintin gyare-gyaren simintin gyaran gyare-gyare suna juyar da damuwa-kafin * CNC machining-ba bayan-rage dogon lokaci drift da 65% a kan bayan-machined-kawai hanyoyin.
- Abun ganowa: Kowane ɓangaren kayan aiki yana ɗaukar cikakkiyar ganowa daga ɗanyen bargo (wanda aka tabbatar zuwa ASTM A48 ko AMS 5719) ta hanyar gwajin taurin ƙarshe.
- Tabbatarwa na aiki: Ana gwada kayan aiki tare da ainihin sassan abokin ciniki-ba ma'aunin nauyi ba-ƙarƙashin nauyin simintin zagayowar da ya dace da zagayowar aikin ƙarshen amfani
Kwanan nan mun ba da tsarin daidaitawa na tashoshi 14 don ginin injin abin hawa. Ya rike matsayi a cikin zagayowar 12,000 ba tare da gyarawa ba-saboda ginin simintin gyare-gyare, injinan injina, da tauraruwar saman duk an sarrafa su a ƙarƙashin rufin ɗaki ɗaya, tare da ka'idojin awo ɗaya.
Iyakokin Duniya na Gaskiya-da Yadda Muke Aiki A Cikinsu
Wasu injiniyoyi suna ɗauka "daidaici" yana nufin tsauri mara iyaka. Gaskiya tana sanya iyakoki. Cobalt-nickel gami suna haifar da zafi da sauri fiye da ƙarfe na kayan aiki yayin niƙa. Idan kayan aikin ku yana amfani da daidaitattun hannaye masu ɗaure aluminium, haɓakar zafin jiki kaɗai na iya canza wurin yanki ta hanyar 0.008 mm tsakiyar zagayowar-isa ya kwashe $2,400 AMS 5387 nozzle body.
Muna magance wannan ta hanyar daidaita ma'aunin zafin jiki: Jikunan da ake amfani da su suna amfani da ductile iron (CTE ≈ 11.5 µm/m·°C), yayin da clamping pads suna amfani da Invar 36 (CTE ≈ 1.2 µm/m·°C) inda kulle girman ba zai yiwu ba. Ƙarewar saman yana bin buƙatu na aiki-ba maƙasudin kasida ba: Ra 0.4 µm akan fuskoki masu ganowa, Ra 1.6 µm akan wuraren tuntuɓar don daidaita riko da sarrafa alamar sashe.
Abokan ciniki sukan tambayi: "Za ku iya riƙe ± 0.003 mm akan diamita 300 mm?" Ee-idan haɗin haɗin kayan ɓangaren ya goyi bayan sa, idan tazarar goyan bayan kayan aiki ya guji resonance a sandar RPM, kuma idan muka tabbatar da yankin juriya tare da ma'aunin gani *bayan* zafi mai zafi. Ba mu taɓa yin alkawarin abin da kimiyyar lissafi ba zai ƙyale ba.
Bayan Fixture: Haɗin gwiwar Injiniya a Aiki
Masana'antar sarrafa kayan aiki tana samun amana ba lokacin da take jigilar sashi ba-amma lokacin da ta kama rikicin GD&T kafin a fara yankewa. Kwata na ƙarshe, ƙungiyar injiniyoyinmu sun yi alama da madaidaicin firam ɗin datum akan zanen gidaje na famfo. Ƙayyadadden haƙurin matsayi ya yi nuni da simintin simintin gyare-gyaren da za a cire gaba ɗaya. Sake zayyana kayan aiki a kusa da datum *karshe* ya ceci abokin ciniki kwanaki 11 da $18,500 a cikin simintin da aka soke.
Mun shigar da wannan matsananciyar aiki a cikin kowane haɗin gwiwa: ingantaccen zane tare da ƙwarewar ASME Y14.5, ƙwarewar samarwa a cikin sa'o'i 72, da sabuntawa na ainihi yayin binciken labarin farko-ba bayan ƙaddamar da PPAP ba. Abokan cinikinmu a Arewacin Amurka, Jamus, da Singapore sun dogara da wannan-ba azaman ƙari na sabis ba, amma azaman haɓakar haɗarin haɗari.
Idan aikin ku na gaba yana buƙatar mafita mai daidaitawa inda maimaitawa ya dace da hankali na ƙarfe-inda ƙirar ƙirar ta fara da halayen kayan aiki, ba tsarin kulle-kulle ba— kuna buƙatar abokin tarayya mai tushe a cikin ainihin masana'anta. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina na'urorin haɗa kayan aiki waɗanda ke riƙe gaskiya, zagayowar bayan zagayowar, sashi bayan sashi.
