Lokacin da injiniyoyi suka ƙididdige sassa na ductile ko launin toka don tsarin na'ura mai aiki da karfin ruwa, kayan aikin filin mai, ko famfo masu nauyi, ba kawai suna buƙatar simintin gyare-gyare ba - suna buƙata. kwanciyar hankali mai girma a ƙarƙashin matsa lamba 300+, daidaiton microstructure a cikin batches 500, kuma rashin haƙuri ga raguwar porosity a cikin flanges masu ɗaukar kaya. Shi ya sa ake samo asali daga gaskiya simintin ƙarfe factory-ba wakili na kasuwanci ba ko babban tushe - ba za a iya sasantawa ba. Mun ga ayyuka da yawa da aka jinkirta ta hanyar ƙididdige ƙididdiga na nodule na graphite, rashin daidaituwa taurin Brinell (HBW 180-220 da ake buƙata 210-240), ko lahani na saman da ya tilasta sake yin aiki bayan machining. Abokin da ya dace yana tafiyar da ƙarfe kamar horo-ba tunani ba.
Me yasa Mutuncin Abu ya Fara Tun kafin Zuba
Yawancin gazawar suna komawa zuwa sarrafa albarkatun ƙasa-ba dabarar siminti ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane nau'i na EN-GJS-400-15 ductile baƙin ƙarfe fara da bokan alade baƙin ƙarfe da ferrosilicon daga ISO 9001-certified smelters. Suna tabbatar da daidai da carbon (CE) lokacin isowa ta amfani da bincike na konewar LECO-ba kawai takaddun shaida ba. Mun auna alamar CE sama da ± 0.15% a cikin kuri'a da ba a tantance ba, kai tsaye yana haifar da asarar nodularity a cikin gidaje masu kauri. Lab ɗin su yana gudanar da tabbaci na ASTM A536 akan kowane zafi: ƙarfin ƙarfi, haɓakawa, da taurin-duk suna shiga tare da ID na tanderun, zub da lokaci, da ƙimar sanyaya. Babu "samfurin wakilci" madauki. Wannan ba ƙari ba ne - shine yadda suke riƙe da gidaje na Silinda don famfo piston zuwa ± 0.02 mm zagaye bayan maganin zafi.
Inda Simintin Yashi Ya Haɗu da Ladabi na CNC
Sassan ƙarfe mai launin toka kamar tushen famfo ko jikin bawul suna buƙatar m flatness (<0.05 mm sama da 600 mm) da ingantattun injuna. Amma duk da haka simintin yashi kaɗai ba zai iya isar da shi ba. QINGDAO QIANGSENYUAN gadoji da rata tare da a tsaye hadedde tsarin sarrafawa: su kafaffen amfani da guduro- bonded yashi molds tare da real-lokaci danshi saka idanu, sa'an nan canja wurin simintin gyaran kafa kai tsaye zuwa cikin-gida 5-axis CNC Kwayoyin. Babu hannun jari na waje. Babu wani girman kai tsakanin yin simintin gyaran kafa da kuma gama aikin injina. Suna kera filaye masu mahimmanci yayin da har yanzu simintin ɗin ke rage damuwa-yanke gurɓacewar yanayin zafi da kashi 40 cikin ɗari tare da injin bayan annealing. Don bawul ɗin matsa lamba da ke buƙatar wucewar AMS 2700 Class 2, suna haɗa peening harbi da tsabtace nitric acid kafin dubawa na ƙarshe. Ba “simintin gyare-gyaren + machining ba.” Yana da jerin injiniya guda ɗaya.
Tabbatar da Gaskiyar Duniya: Abin da Abokan Ciniki A Gaskiya Ke Gwaji
Abokan ciniki na filayen mai na Arewacin Amurka ba sa karɓar rahotannin gwaji - suna inganta aiki. Abokin ciniki ɗaya ya gwada 12 winch shaft rollers ƙarƙashin 120,000-cycle loading gajiya a -20°C. Duk sun wuce. Wani ƙwanƙwasa cobalt-alloy nozzles (AMS 5387) akan slurry na sa'o'i 72 - yashwar sifili fiye da zurfin 0.03 mm. Waɗannan ba abubuwan jin daɗi ba ne. Su ne sassan samarwa da aka jigilar su tare da cikakkiyar ganowa: lambar zafi, buguwar nazarin sinadarai, rahoton CMM don duk kiran GD&T, da micrograph da ke nuna ilimin halittar hoto ta ISO 945-1. Lokacin da fam ɗin OEM na Turai ya buƙaci ISO 13003-daidaitaccen bayanan taurin karya don EN-GJL-250 baƙin ƙarfe, sun isar da ƙimar tasirin Charpy V-ba kawai ƙayyadaddun ƙayyadaddun ƙarfi ba. Wannan shine yadda kuke guje wa abubuwan mamaki "ya yi kyau a cikin zane".
Zaɓan Masana'antar Simintin Ƙarfe naku: Takaddun Takaddun Shaida guda uku
- Tambayi bayanan rukuni uku na ƙarshe- ba takaddun shaida ba. Tabbatar da idan an rubuta taurin, ƙarfin ɗaure, da abun da ke tattare da sinadaran kowane zafi, ba kowane wuri ba.
- Bukatar shaidar amfani da CMM a cikin tsari— ba kawai dubawa na ƙarshe ba. Dole ne a duba ma'auni masu mahimmanci bayan m machining kuma kafin a gama yanke.
- Tabbatar da cewa sun mallaki dukiyoyin simintin gyare-gyare da na injina. Hanyoyin da aka fitar suna ƙara lokacin jagorar kwanaki 7-12 da gabatar da kurakuran daidaitawa babu bayanin GD&T da zai iya gyarawa.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ya hadu da duka ukun. Wurin su a Qingdao yana aiki a ƙarƙashin ISO 9001: 2015 kuma yana kiyaye hanyoyin da aka rubuta don kowane mataki - daga shirye-shiryen yashi zuwa marufi na ƙarshe. Suna jigilar kaya zuwa Arewacin Amurka, Turai, da kudu maso gabashin Asiya tare da cikakkun takaddun kwastan da yarda da RoHS/REACH da aka gina cikin ƙayyadaddun kayan. Idan gidaje na ductile na baƙin ƙarfe na gaba yana buƙatar tsira shekaru 20 a cikin mai ba da wutar lantarki na subsea - ko ginin famfo na baƙin ƙarfe na launin toka dole ne ya rage girgiza a 3,600 RPM - farawa da ƙarfin ƙarfe, ba da'awar tallace-tallace ba. Mafi ƙarfi simintin ƙarfe factory baya yin alkawarin kamala. Yana tabbatar da daidaito-zafi ɗaya, simintin guda ɗaya, ma'auni ɗaya a lokaci guda.
