Lokacin da injiniyoyi suka ƙididdige mafita na masana'antar simintin ƙarfe, ba kawai siyan sassa bane-suna tabbatar da amincin tsarin ƙarƙashin matsi na hydraulic mashaya 350, kwanciyar hankali mai girma bayan hawan keken zafi, kuma suna sa juriya a cikin yanayin slurry. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa sama da 12,000 baƙin ƙarfe aka gyara don piston famfo Silinda gidaje tun 2021-kowansu dubawa tare da Zeiss CMMs zuwa ± 0.015 mm GD&T haƙuri. Wannan ba girma ba ne. Yana da inganci.
Me Yasa Ƙarfe Ya Fasa—Da Kuma Yadda Ƙirar Simintin Ƙarfe Ke Hana Shi
Yawancin gazawar filin suna komawa zuwa giɓi uku da za a iya gujewa: rashin daidaituwar yanayin halittar hoto, saura damuwa daga sanyaya mara daidaituwa, da injina da ke haifar da microcracks a cikin sassan bakin bakin bango. Mun ga wannan da idon basira akan rukunin bawul ɗin matsa lamba na OEM na Turai - an ƙi sau biyu saboda rashin ƙarfi a mahadar tashar shiga. Tushen dalili? Yashi mold mold rashin daidaito da kuma babu post-simintin danniya taimako kafin CNC juya. Gyaran mu: ASTM A48 Class 35 baƙin ƙarfe mai launin toka tare da graphite mai sarrafawa (Nau'in D), sannan annealing subcritical a 680 ° C na 4 hours. Haɓakawa ta haɓaka daga 62% zuwa 98.7%.
Wannan shine bambanci tsakanin jefawa da abin dogara yin simintin ƙarfe. Abin dogaro yana nufin saduwa da juriyar juzu'i na ISO 8062 ba tare da niƙa na biyu ba. Yana nufin riƙe 0.05 mm flatness akan tushen famfo 320 mm × 210 mm bayan awanni 72 na gwajin girgiza. Yana nufin tabbatar da kowane tsari akan ASTM E1245 don haɗa abun ciki-da ƙin yarda da abu idan kirtani sulfide ya wuce tsayin 1.5 µm.
Ƙarfin Ƙarfi guda huɗu waɗanda ba za a iya sasantawa ba don ɓangarorin ƙarfe mai mahimmanci-mahimmanci
Ma'aikatar simintin ƙarfe na gaske dole ne ta isar da fiye da ƙarfe da aka zuba. Ga abin da muke gwadawa kullum:
- Karfe iko: Raw baƙin ƙarfe wanda aka samo daga ƙwararrun masu ba da izini tare da cikakkun rahotannin bincike na ladle - daidai da carbon da aka gudanar a cikin ± 0.03, bambancin silicon ya ƙare a ± 0.05%
- Maganin zafi mai haɗakar da tsari: Babu fitar da kayan aiki a waje. Taimakon damuwa, daidaitawa, da annealing da aka yi a cikin gida ta amfani da tanderun shirye-shirye tare da shigar da thermocouple na ainihi
- Daidaitaccen simintin gyare-gyare-zuwa-inji: Kayan aikin injin da aka ƙera daga bayanan daidaitawar simintin-ba zane-zane ba-don rama abubuwan da za a iya tsinkaya su.
- Gano cikakken tsari: Kowane bangare yana ɗauke da lambar QR mai haɗawa zuwa ga narke log ɗinsa, rahoton abun da ya faru yashi, duban X-ray, da takardar shaidar dubawa ta ƙarshe ta CMM.
Ba mu kira shi "casting + machining." Muna kiransa ci gaba mai girma. Lokacin da abin nadi na cibiyar winch ɗin ku yana buƙatar taurin saman HRC 42 da 0.008 mm gudu akan mujallolin mm 120, ba za ku iya ba da damar jure juriya tsakanin masana'anta da kantin injin ba.
Inda Daidaitaccen Ƙarfe Ya Tsaya—Kuma Aikace-aikacenku Ya Bukatar Ƙari
Daidaitaccen launin toka ko baƙin ƙarfe na ductile yana aiki-don madaidaicin madaidaicin, gidaje marasa matsi, aikace-aikacen ƙananan sake zagayowar. Amma lokacin da abokan ciniki suka nemi AMS 5387 cobalt alloy abun ciki * a cikin * simintin ƙarfe, ko nozzles na tushen T800 waɗanda aka ɗora kai tsaye akan kan famfo na ƙarfe, a nan ne yawancin masana'antar simintin ƙarfe ke shakkar. Ba mu.
Maganin mu: matasan simintin gyaran kafa-machining. Muna jefa jikin baƙin ƙarfe tare da mashin ɗin mashin ɗin daidai gwargwado, sannan mu sanya tagulla ko latsa-daidaita manyan abubuwan da ake sakawa *kafin* gamawa na ƙarshe. Me yasa? Saboda rashin daidaituwa na haɓakar thermal a tsakanin cobalt gami da baƙin ƙarfe yana haifar da microgaps ƙarƙashin hawan keke-sai dai idan kuna sarrafa juzu'i na mu'amala a matakin micron. Mun isar da bambance-bambancen 17 na wannan tsarin don taron famfo mai da iskar gas mai aiki a 180 ° C da 220 mashaya mai ɗaukar nauyi.
Ba a ƙara wannan ƙarfin ba-an ƙirƙira shi a cikin shimfidar wuraren mu. Layukan simintin yashi suna zaune kusa da sel CNC masu yawan axis. Tanda masu zafi suna ciyarwa kai tsaye zuwa tashoshin awo na gani. Babu jinkirin dabaru. Babu tazarar takarda. Sarkar tsari ɗaya kawai.
Zaɓin Masana'antar Simintin Ƙarfe ɗinku: Abin da za ku Tabbatar Kafin Sa hannu
Yi waɗannan tambayoyi guda biyar-kuma ku nemi shaida, ba ƙasidu ba:
- Za ku iya nuna mani rahotannin CMM guda uku na ƙarshe don wani ɓangaren da ya dace da mahimman bayanai na zane na?
- Menene matsakaicin bambancin kaurin bangon ku akan simintin 500mm × 300 mm-kuma ta yaya kuke auna shi?
- Kuna yin gwajin ultrasonic akan duk simintin ƙarfe sama da kilogiram 25? Idan ba haka ba, me yasa?
- Ta yaya kuke tabbatar da daidaiton tsarin graphite a cikin zub da ton 2? Hotunan SEM ko taswirar microhardness?
- Lokacin da GD&T na yayi kira don haƙurin matsayi akan ramin Ø12 mm dangane da simintin datum surface — shin kuna injin ramin a saitin ɗaya, ko sakewa?
Idan amsoshin ba su da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai - ko nunin “tsari daidaitaccen tsari” ba tare da ambaton ƙa'idodi ba - muna ba da shawarar tafiya. Masana'antun simintin ƙarfe na gaske suna magana da lambobi, ba sunaye ba.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki daga Qingdao-ba a matsayin kamfani na kasuwanci ba, amma a matsayin abokin haɗin gwiwa tare da ISO 9001-certified simintin gyare-gyare, machining, da dubawa ayyukan aiki a ƙarƙashin rufin daya. Ba mu fitar da mahimman matakai ba. Ba ma yin sulhu da ƙayyadaddun ƙirar ƙarfe don saurin isarwa. Kuma ba ma kula da mahalli na bawul ɗin ku kamar ƙarfe na kayayyaki.
Domin amintattun sassan ƙarfe suna farawa tun kafin a zuba. Suna farawa da sanin ainihin inda damuwa zai maida hankali - da kuma tsara simintin gyare-gyare, yanayin zafi, da hanyar injina don saduwa da shi.
