Lokacin da injiniyoyi suka bayyana Incoloy800 don yawan zafin jiki, aikace-aikace masu lalata-kamar bututun gyara tururi, harsashi masu musayar zafi, ko na'urori masu sarrafa hydrocarbon-ba kawai zaɓin gami ba ne. Suna yin fare akan daidaiton ƙarfe, amincin girma a ƙarƙashin keken zafi, da rashin haƙuri don rarrabuwar kawuna. Shi ya sa ake samo asali daga gaskiya Incoloy800 masana'anta al'amura -ba wakili na ciniki ba, ba maƙasudin manufa na gaba ɗaya ba, amma kayan aiki tare da rubutattun tsari akan warware matsalar, daidaita girman hatsi, da ma'aunin aiki mai zafi musamman ga Fe-Ni-Cr superalloys.
Mun ga ayyuka da yawa sun tsaya cak saboda mai siyarwa ya faɗi Incoloy800-amma an isar da kayan tare da 0.02% wuce haddi na sulfur, yana haifar da tsagewar tsaka-tsaki yayin rufin walda. Ko mafi muni: sassan da aka yi amfani da su daga billet tare da tarihin zafin da ba a tantance ba, wanda ke haifar da fashewar da bai kai ba a cikin sabis na 750°C. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane odar Incoloy800 yana farawa da rahoton gwajin niƙa da aka tabbatar akan ASTM B407 da ASME SB-407. Mun samo asali ne kawai daga masana'antun da aka tabbatar da su zuwa NADCAP AC7108 don sarrafa nickel-alloy-kuma muna riƙe da cikakkiyar ganowa: lambar yawa, ID ɗin narkewa, log ɗin jiyya na thermomechanical, da tabbacin taurin bayan anneal. Babu ware.
Abin da ke raba mai iyawa Incoloy800 masana'anta daga mai siyar da kayayyaki ba wai kawai takaddun shaida ba ne - shine yadda alloy ke nuna *bayan * ƙirƙira. Incoloy800 yana aiki da sauri. Its thermal watsin ne low. Ƙarfin sa mai zafi yana buƙatar takamaiman dabarun hanyoyin kayan aiki da isar da sanyaya mai sarrafawa. Muna gudanar da duk shirye-shiryen CNC na Incoloy800 akan injunan axis 5 tare da saka idanu akan kayan aikin sanda na lokaci-lokaci. Adadin ciyarwa yana daidaitawa da ƙarfi dangane da taswirar taurin saman-saboda tsari ɗaya na iya bambanta ± 15 HB a fadin sashin giciye. Ba mashin kawai don bugawa ba; mu inji don *aikin*. Gidan famfo ba kawai zagaye ba ne-dole ne ya kula da girman ≤0.015 mm a yanayin zafin aiki, don haka hatimin piston baya yin magana. Wannan yana buƙatar kawar da damuwa *kafin* mashin ɗin ƙarshe, ba bayan haka ba.
- Kwanciyar kwanciyar hankali a ƙarƙashin nauyin thermal: Duk abubuwan da aka gyara na Incoloy800 suna jurewa sau biyu-danniya-na farko a 900 ° C na tsawon awanni 2 a cikin tanderun da aka tsabtace nitrogen, sannan a 760 ° C na sa'o'i 4 tare da jinkirin sanyaya (≤20 ° C / awa)
- Mutuncin saman don juriyar lalata: Babu niƙa konewa. Babu microcracks na karkashin kasa. Kowane bangare ya wuce gwajin shigar da ruwa mai kyalli (ASTM E1417) da kuma tabbatar da rashin ƙarfi (Ra ≤ 0.8 µm akan fuskokin rufewa)
- Weld shiri: Duk danyen jari yana warwarewa kuma an tsince shi ta ASTM A959, tare da abun ciki na ferrite da aka tabbatar a ƙasa da 0.5% - mai mahimmanci don guje wa ɓarna-lokacin sigma a cikin welds da yawa.
Wasu na iya yin gardama cewa jefa Incoloy800 ba shi da amfani - yana da saurin raguwar porosity, yana da wuyar ciyarwa. Amma layin simintin yashi ɗinmu yana gudanar da tsarin gating na al'ada wanda aka tsara musamman don Fe-Ni-Cr alloys: yumbu mai rufi, wanda aka rigaya ya wuce 350 ° C, tare da ƙarfafa jagoranci ta hanyar sanyi da wuri mai haɓaka ta hanyar simintin MAGMAsoft. Mun jefa jikin bawul ɗin Incoloy800 har zuwa kilogiram 120-ba azaman samfuri ba, amma azaman sassan samarwa da suka cancanci API 6A PR2. Makullin? Sarrafa ƙarfin ƙarfin ƙarfi zuwa ± 0.3 mm/s a fadin sashin. Wannan ba zato ba ne. Zane-zanen tsarin kimiyyar lissafi ne.
Tambayar abokin ciniki mafi yawan lokuta ba shine "Za ku iya yin ta ba?" - "Ta yaya zan guje wa ramin da ya kashe rukuninmu na ƙarshe?" Don haka mun shigar da bita na injiniya da wuri: Ingantacciyar GD&T akan niyyar aiki (ba kawai zana yarda ba), ƙirar haɓakar zafin jiki don ƙirar flange, har ma da shawarwarin juzu'i dangane da ainihin ƙarfin samar da zafin da aka kawo. Kwata na ƙarshe, mun ƙaddamar da ƙira inda ƙayyadadden kauri na bango zai wuce mahimmin ƙimar sanyaya don hazo carbide-yana ba da shawarar tweak na lissafi maimakon tsadar magani bayan walda. Wannan ya ceci makonni uku da $18,000 a sake yin aiki.
Idan kuna buƙatar abubuwan haɗin Incoloy800 waɗanda ke tsira awanni 30,000 a 800°C ba tare da ƙima ba, yoyo, ko murɗawa — to kuna buƙatar fiye da ƙayyadaddun ƙayyadaddun kayan aiki. Kuna buƙatar abokin tarayya wanda ke kula da sunadarai na alloy a matsayin wurin farawa, ba layin ƙarshe ba. Wanene ya fahimci cewa AMS 5387 cobalt nozzles da kuma Incoloy800 famfo gidaje suna raba ainihin horo iri ɗaya: sarrafa microstructure ta kowane mataki na tsari. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki da wannan horon yau da kullun-ba azaman ka'ida ba, amma azaman ingantaccen aiki. Don aiki mai mahimmancin manufa, babu madaidaicin ƙwarewar ƙirƙira a cikin yanayin gazawar duniya. Wannan shine abin da ke bayyana gaskiya Incoloy800 masana'anta.
