Maganin masana'antar simintin ƙarfe na ƙarfe mai ƙarfi yana cike gibin da ke tsakanin simintin gyare-gyare na al'ada da ƙirƙira - isar da sassa-siffa kusa-take tare da ingantattun kaddarorin injiniyoyi, rage ƙarfin ƙarfi, da ƙara ƙarfin iko. Amma ba kowane ma'adanin ba ne zai iya dogara da samar da abubuwan da aka gyara don bawul ɗin ruwa, matsugunin famfo mai matsa lamba, ko nozzles na cobalt-alloy waɗanda ke tsira daga hawan keke sama da 200+ da kafofin watsa labarai na ruwa. Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfurin-ba saboda ƙira mara kyau ba, amma saboda Semi m karfe simintin gyaran kafa factory rashin horo na ƙarfe, tabbatarwa a cikin tsari, ko haɗin tsarin gauraye.
Me yasa Simintin Tsayi Tsakanin Ya Fassara—Kuma Abin da Ake Yi A zahiri
Yawancin gazawar sun samo asali ne zuwa tushen tushe guda uku: rashin daidaituwar yanayin zafin jiki a lokacin rheocasting, rashin isasshiyar tacewar hatsi a cikin slurry mai ƙarfi, ko daidaitawa tsakanin ƙaddamar da ramuwa na raguwa da alawus na injin CNC na ƙasa. A wurin aikinmu da ke Qingdao, muna auna slurry danko a ainihin lokacin ta yin amfani da na'urori masu jujjuyawar layi - ba kawai saita ma'aunin zafi ba. Mun gano cewa karkacewar ± 1.5°C sama da 582°C a cikin AMS 5387 cobalt alloy slurry yana ƙaruwa da ƙaƙƙarfan ƙaƙƙarfan 23% a cikin ganuwar gidaje ta Silinda mai kauri fiye da 12 mm. Shi ya sa muka sanya hoton zafi kai tsaye a cikin hannun rigar harbi kuma muka daidaita saurin allura a hankali ta kowane bangare na lissafi.
Mafi mahimmanci, simintin simintin gyare-gyare ba shi kaɗai ba ne. Kulli ne a cikin madaidaicin sarkar masana'anta. Gidan famfo na piston da aka jefa a cikin ƙaramin ƙarfe mai ƙarfi na T800 cobalt alloy dole ne ya riƙe tsayayyen microstructure ta hanyar kawar da damuwa mai zafi * kafin* milling na axis biyar na madannin tashar jiragen ruwa. Idan gidan simintin ba ya sarrafa ƙimar sanyaya a cikin ± 3°C/min daga 1050°C zuwa 600°C—ko kuma idan basu da alaƙar GD&T mai alaƙa da CMM akan simintin gyare-gyare na kore-ɓangaren ƙarshe zai gaza gwajin matsa lamba na aiki. Muna yin duka biyu. Kowane tsari ya haɗa da bincike na yanayi, ma'aunin dendrite hannun tazarar (DAS) a ƙarƙashin SEM, da cikakken binciken log ɗin magani.
Ƙarfi guda huɗu waɗanda ba za a iya sasantawa ba don aikace-aikacen manufa-Mahimmanci
Ma'aikatar simintin gyare-gyaren ƙarfe ta gaske dole ne ta isar da fiye da ƙarfe mai siffa. Dole ne ya ba da garantin aiki ƙarƙashin ƙayyadaddun bayanai. Ga abin da muka tabbatar kafin mu faɗi kowane aiki:
- Sarrafa ƙayyadaddun ƙaya: Raw cobalt-nickel ingots an samo shi ne kawai daga masana'antun da aka tabbatar da su zuwa ASTM B575 da AMS 5737 - tare da rahotannin gwajin niƙa da aka bincika akan mai shigowa.
- Tsarin-haɗe-haɗen awoyi: In-line Laser scanning na mold cavity pre-cike, bayan-ejection CMM dubawa na m datum saman, da kuma na gani kwane-kwane taswirar na ciki kwarara wurare kafin machining.
- Hybrid haƙuri stacking: Muna ƙididdige kasafin kuɗaɗen kurakurai a cikin raguwar simintin gyare-gyare, murdiya-maganin zafi, da karkatar da hanyar kayan aiki da yawa-ba kawai amfani da izinin ± 0.3 mm ba.
- Ka'idar tabbatar da aiki: Kowane matsi na bawul gidaje yana fuskantar gwajin leak helium a 1.5 × matsa lamba na aiki, sannan bayyanar gishiri-spray ta ASTM B117 na sa'o'i 96 kafin fakitin ƙarshe.
Kasuwancin Duniya na Gaskiya Dole ne ku Amince
Wasu injiniyoyi suna ɗaukan simintin simintin gyare-gyare ta atomatik yana rage farashi. Ba haka ba — sai dai idan kuna niyya ta musamman iyalai. Don sirara-bangara, babban maɗaukakin geometries kamar winch center shaft rollers tare da hadedde spline hakora da mai, Semi-tsari yana rage lokacin injina da kashi 40% kuma yana haɓaka rayuwar gajiya ta 2.7× tare da daidaitattun simintin yashi. Amma don sauki flanges karkashin 50 mm lokacin farin ciki? Fitar hannun jari na al'ada galibi yana ba da mafi kyawun ROI.
Kwanan nan mun yi aiki tare da OEM na'ura mai aiki da karfin ruwa na Turai wanda ya nace akan Semi-m don tushen famfo diamita na 320 mm. Simintin su yayi annabta 0.12 mm warpage. Ainihin shafin yaƙin simintin simintin ya kasance 0.28 mm-saboda ƙirar su ba ta ƙididdige ainihin canji ba yayin allurar slurry a cikin ƙirar harsashi yumbu. Mun gudanar da gwaje-gwajen jiki tare da ma'aunin ma'auni, daidaitawa taurin fil, da kuma ƙara wuraren sanyi. Shafin yaƙi na ƙarshe ya ragu zuwa 0.14 mm. Darasi? Kwaikwayo yana taimakawa-amma kawai lokacin da aka kafa a cikin ma'auni na thermal-mechanical.
Abin da za ku nema Daga Kamfanin Simintin Ƙarfe na Semi Solid Metal
Yi waɗannan tambayoyin kafin sanya hannu kan NDA:
- Shin za ku iya nuna mani takaddun takaddun ku na AMS 5387 na ƙarshe-ciki har da ƙimar DAS da taswirorin rarrabuwa tsakanin juna?
- Kuna yin gwajin ultrasonic a cikin tsari akan simintin gyare-gyare fiye da 25 mm-ko kawai dubawa ta ƙarshe?
- Ta yaya za ku rama rashin daidaituwar haɓakar zafi tsakanin simintin T800 da abubuwan da aka saka bakin karfe yayin taro?
- Menene matsakaicin adadin izinin rubutun ku na farko akan fasalulluka na GD&T da ke buƙatar haƙurin matsayi a ƙarƙashin 0.05 mm?
Idan amsoshi ba su da fa'ida, jinkiri, ko nunin "a'amar masana'antu," tafiya. Madaidaicin ba a yin shawarwari ba-an ƙirƙira shi, auna shi, kuma an rubuta shi a kowane mataki.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki da masana'antar simintin ƙarfe na ƙarfe mai ƙarfi inda sassan cobalt-alloy famfo suka haɗu da ingantaccen aikin ISO 9001, ba kawai kayan aikin simintin ba. Ba mu raba simintin gyare-gyare da injina - muna tare da su. Ba ma ɗaukar ƙayyadaddun kayan aiki azaman takarda - muna inganta su da kowane zafi. Kuma ba mu yi alkawarin “daidaitacce ba.” Mun tabbatar da shi-bangare ta bangare, tsari ta tsari, abokin ciniki ta abokin ciniki. Domin a cikin tsarin na'ura mai aiki da karfin ruwa, bawul ɗin mai & iskar gas, da injiniyoyin abin hawa, babu iyaka don ƙima. Akwai aiki kawai-ko gazawa.
