HT250 simintin ƙarfe ba kawai wani maki ba ne akan takaddar bayanai - shine kashin baya na manifolds na hydraulic, gidajen famfo, da firam ɗin tsarin winch waɗanda dole ne su riƙe kwanciyar hankali a ƙarƙashin hawan matsi na mashaya 350. Lokacin da abokin ciniki a Jamus ya aiko mana da zane don gidaje na silinda na piston-HT250, ± 0.02 mm GD & T callouts, ƙarewar ƙasa Ra 1.6 µm - ba mu fara da ambato ba. Mun fara da ingantaccen ƙarfe na ƙarfe: tabbatar da daidai da carbon (CE = 4.12), tabbatar da abun ciki na pearlite ≥85% ta hanyar nazarin micrograph, da duba taurin Brinell a cikin yankuna uku (192-208 HBW). Haka an HT250 masana'anta yana samun amana-ba ta hanyar lissafin takaddun shaida ba, amma ta hanyar tsayar da kowane yanke shawara a cikin halayen kayan aiki.
Me yasa HT250 ke Buƙatar Fiye da Daidaitaccen Ayyukan Kafa
Yawancin masu samar da kayayyaki suna ɗaukar HT250 a matsayin "ƙarfe mai launin toka kawai." Amma yanayin gazawar duniya ta ainihi tana ba da labari daban. Mun ga gidajen Silinda suna fashe a gidajen abinci bayan sa'o'in aiki na 14,000 - ba daga kitse ba, amma daga rarraba nodule na graphite mara daidaituwa yayin ƙarfafawa. A cikin wani yanayi, wani mai kera kayan aikin mai na Arewacin Amurka ya ƙi kashi 12% na batch saboda ƙungiyoyi masu arzikin ferrite da aka kafa kusa da filaye masu sanyaya, suna faɗuwar ƙarfi na gida ƙasa da 250 MPa. Shi ya sa namu HT250 masana'anta yana sarrafa ma'auni masu mahimmanci guda shida kafin zuba: narke zafin jiki (1,480-1,510 ° C), lokacin inoculation (a cikin dakika 90 bayan tapping), lokacin ladle (<4minti), mold compaction (≥120 kPa), sanyaya adadin iko (babu tilastawa daftarin aiki kusa da m sassa), da post-simintin danniya taimako (550°C/4 hrs + tanderu sanyi). Babu gajerun hanyoyi. Babu "mai kyau."
Haɗin Kai tsaye Yana Warware Abin da Outsourcing Ya Karye
Wasu masu siye suna samo simintin simintin gyare-gyare daga mai siyarwa ɗaya, injina daga wani, maganin zafi daga kashi na uku. Wannan samfurin ya gaza HT250. Me yasa? Saboda damuwa da ke haifar da mashin ɗin yana mu'amala mara tabbas tare da simintin simintin gyare-gyare. Mun auna har zuwa 45 µm murdiya a cikin injina na bawul HT250 lokacin da aka yi roughing da gamawa a wurare daban-daban-har ma da hanyoyin kayan aiki iri ɗaya. A wurin aikinmu, simintin gyare-gyare, kawar da damuwa, injinan CNC, da dubawa na ƙarshe suna faruwa a ƙarƙashin rufin ɗaya. Muna amfani da CMM iri ɗaya don tabbatar da simintin simintin mai shigowa da sa hannu na ƙarshe - kawar da kurakuran canjawar datum. Don wani tsari na kwanan nan na injinan abin hawa winch shaft rollers, wannan haɗin kai ya yanke jimlar lokacin jagora da kashi 37% kuma an rage kin amincewa da labarin farko daga 11% zuwa sifili. Bambancin ba inji mai sauri ba ne. An sarrafa ta tarihin yanayin zafi da haɗewar awo.
Ayyukan HT250 na Gaskiya na Duniya yana farawa da Raw Material Discipline
"Certified HT250" yana nufin kome ba tare da ganowa ba. Muna ƙin narke tushen datti don abubuwan da suka dace. Kowane HT250 zuba yana amfani da ≥75% budurwoyin alade baƙin ƙarfe (daga bokan Sinanci da Korean smelters), low-sulfur coke (<0.3% S), da ferrosilicon inoculants tare da ≤0.02% aluminum. Kowane zafi yana ɗauke da cikakken rahoton bayyani-carbon, silicon, manganese, sulfur, phosphorus, chromium, molybdenum-kuma muna adana micrographs na dijital don kowane kuri'a. Lokacin da fam ɗin OEM na kudu maso gabashin Asiya yana buƙatar sassan cobalt alloy AMS 5387 * da * HT250 tushe don taron guda ɗaya, mun daidaita ƙimar haɓakar haɓakar thermal a cikin duka kayan biyu-ba ta hanyar zato ba, amma ta hanyar gwajin dilatometry daidaici. Wannan shine yadda ake gina mutuncin aiki a cikin tsarin-ba a ƙara shi daga baya ba.
Zaɓan Masana'antar HT250 ɗinku: Takaddun Takaddun Shaida guda uku
- Tambayi rahotannin microstructure-ba kawai lambobi masu wuya ba. Mai siyarwar HT250 na gaske yana nuna muku pearlite%, nau'in graphite (A-E ta ASTM A247), da tazarar interdendritic - ba kawai "ya dace da ISO 185 ba."
- Bukatar shaidar sarrafa girman a cikin tsari. Idan kawai sun auna ɓangarorin da aka gama, tambayi inda suke lura da raguwa yayin sanyaya. Muna shigar da ainihin zafin akwatin, danshi, da kuma sanyaya bayanan lankwasa don kowane aikin samarwa.
- Tabbatar da iyawar GD&T akan simintin gyare-gyare. Shin CMM nasu na iya bincikar sifofin datum mai tsauri? Shin suna amfani da kwatancen gani don hadaddun bayanan martaba? Mun tabbatar da izinin yin simintin gyaran gyare-gyare a kan CAD kafin yin injin-saboda sake yin aiki akan HT250 farashin 3.2 × fiye da kan karfe.
An HT250 masana'anta ba a siffanta ta da cupola ko layin gyaran fuska. An bayyana shi ta yadda yake amsa tambayoyi game da ilimin halittar hoto, yadda yake sarrafa juriyar 0.05 mm akan simintin 400 mm, da kuma ko yana ɗaukar zanen ku azaman kwangilar masana'anta-ko farkon tattaunawar injiniya. Ba mu jigilar HT250 sassa. Muna jigilar ingantattun ci gaban tsarin-daga narkakken ƙarfe zuwa sabis mai matsi. Wannan shine kawai awo da ke da mahimmanci lokacin da gazawar ba zaɓi ba ne.
