Lokacin da injiniyoyi suka ƙayyade simintin ƙarfe mai launin toka don jikin bawul ɗin ruwa ko famfo gidaje, ba kawai zaɓin abu bane-suna yin fare akan kwanciyar hankali a ƙarƙashin matsi na mashaya 300, juriya bayan zagayowar aiki 10,000, da rashin haƙuri ga ƙananan raguwa a cikin flanges masu ɗaukar nauyi. Shi ya sa zabar dama launin toka baƙin ƙarfe simintin factory ba game da mafi ƙarancin farashi ko lokacin jagorar mafi sauri ba. Yana da game da sarrafa ƙarfe, horon tsari, da daidaita aikin injiniya—abubuwa uku da muka gani sun gaza akai-akai lokacin da simintin gyare-gyare ke ƙaura zuwa teku ba tare da sa ido na fasaha ba.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., mu inji da kuma jefa launin toka kayan aikin yau da kullum-ba a matsayin kayayyaki, amma a matsayin aiki kari na high-matsi tsarin. Ƙungiyar mu ba ta ɗaukar ASTM A48 Class 30B azaman akwati. Muna bin diddigin ƙididdiga nodule na graphite a kowace mm², tabbatar da abun cikin lu'u-lu'u ta hanyar aikin ƙarfe kafin magani mai zafi, kuma muna tabbatar da ƙarfin ƙarfi akan kowane zub da ladle-ba samfuran tsari kawai ba. Me yasa? Domin piston famfo silinda gidaje tare da 12% pearlite maimakon 85-92% kasawa da wuri a karkashin thermal keke. Mun gani. Kuma mun gina tsarin mu don hana shi.
Abin da ke raba ingantacciyar masana'antar simintin ƙarfe mai launin toka daga mai siyarwa shine haɗin kai tsaye-ba kawai cikin kayan aiki ba, amma cikin ikon yanke shawara. A wurin da aka tabbatar da ISO a cikin Qingdao, injiniya guda ɗaya wanda ya amince da takaddun shaida shima ya sanya hannu kan rahotannin CMM na ƙarshe don kiran GD&T kamar Ø42.5 ± 0.015 mm tare da juriyar matsayi 0.05 mm dangane da datum A-B-C. Babu handoffs. Babu asarar fassarar tsakanin ƙirar simintin gyare-gyare da saitin injina. Lokacin da abokin ciniki ya aika da zane don abin nadi na cibiyar winch tare da katsewar 60° helical grooves, ƙungiyarmu tana gudanar da simintin ƙwaƙƙwaran *kafin * yarda da ƙira-da tutoci masu haɗarin sanya wuri wanda zai haifar da porosity a cikin yankin ragar gear. Wannan ba "tallafi bane." An raba ikon mallakar aikin aiki.
- Neman kayan abu yana farawa daga tanderun - ba tashar jigilar kaya ba. Kowane simintin ƙarfe mai launin toka yana ɗauke da lambar zafi mai alaƙa da bincike na yanayi, ragi mai sanyaya, da taswirar tauri a cikin sassa masu mahimmanci.
- Babu “misali” tsarin ƙirar yashi. Muna amfani da gyare-gyaren gyare-gyare na resin don gidaje masu bakin ciki (2.8 mm mafi ƙarancin), koren yashi don manyan tushe (> 120 kg), da kuma sarrafa ƙimar sanyaya don ƙananan flanges-masu girma-ba daya-girma-daidai-duk.
- Machining ba tsaftacewar simintin gyare-gyare ba ne - daidaitaccen diyya ne. Mun daidaita don raguwar tsinkaya (0.72% na HT250), daidai don murɗawar ƙirar ƙira a cikin saitin ramuka da yawa, da sake ɗaukar na'ura bayan annashuwa-danniya don ɗaukar zagaye tsakanin 0.008 mm.
Wasu masu saye suna ɗaukan ƙarfe mai launin toka "mai sauƙi ne." Amma hadaddun yana ɓoye cikin cikakkun bayanai: Ta yaya mai siyar ku ke kula da rabuwar sulfur a cikin simintin gyare-gyare mai nauyi? Shin suna auna ferrite / pearlite rabo-ko kawai rahoton taurin Brinell? Za su iya riƙe 0.02 mm flatness a kan 450 × 320 mm surface hawa ba tare da nika? Mun sami abokan ciniki sun sauya zuwa gare mu bayan isarwa uku da suka gaza daga masu siyar da suka wuce dubawa na gani-amma sun isar da sassa tare da flotation graphite na ƙasa wanda ya fashe yayin gwajin injin ruwa a mashaya 220. Gyaran bai fi QC kyau ba. Ya fi ƙarfin iko akan yawan zafin jiki (1380-1410 ° C), lokacin inoculation (a cikin daƙiƙa 20 na taɓawa), da daidaiton ƙirar preheating. Waɗannan ba ƙayyadaddun bayanai ba ne a kan takardar bayanai. Ana aiwatar da rhythm.
Don aikace-aikace masu mahimmancin manufa — firam ɗin famfon rijiyar mai, na'ura mai ba da hanya tsakanin hanyoyin sadarwa, marine bilge system bawul - masana'antar simintin ƙarfe ɗin ku dole ne ta yi aiki a tsakar ƙarfe na ƙarfe, lissafi, da lodi na zahiri. Wannan yana nufin tabbatar da simintin simintin gyare-gyare a kan sandunan gwajin jiki *kowace zafi*, ta amfani da injunan auna daidaitawa—ba calipers ba—don dubawa na ƙarshe, da riƙe cikakken iya ganowa daga ladle zuwa jigilar kaya. Yana nufin fahimtar cewa gidaje na AMS 5387 cobalt alloy suna raba na'urorin injina iri ɗaya da ka'idojin sarrafa zafi kamar takwarorinsu na ƙarfe mai launin toka-saboda drift mai girma yana shafar duka biyu daidai. Yana nufin faɗin "a'a" ga ƙayyadaddun lokaci lokacin da ingantaccen ƙirar ƙira ya nuna haɗari-da bayar da ingantaccen madadin maimakon alkawari.
Idan kuna buƙatar simintin ƙarfe mai launin toka wanda ya tsira shekaru 15 a cikin wuraren ruwan gishiri na teku ko kuma ku kiyaye amincin hatimi bayan zagayowar matsa lamba 50,000, fara da nuna gaskiya-ba lambobi ba. Nemo ƙwararrun ƙa'idodin dubawa, ba kawai takaddun shaida ba. Tabbatar da cewa "madaidaici" ya haɗa da sarrafa ƙananan ƙananan abubuwa, ba kawai juriya ba. Kuma ku tuna: mafi tsadar simintin gyare-gyare ba shine wanda ke da mafi girman farashin naúrar ba. Shi ne wanda ke jinkirta ƙaddamarwa, yana haifar da sake aikin filin, ko kuma ya lalata tsarin tsaro. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina sassan ƙarfe mai launin toka inda gazawar ba zaɓi ba ne - don haka dogaro ba sifa ba ne. Yana da tushe.
