Lokacin da injiniyoyi suka bayyana 304 bakin karfe don bawuloli na hydraulic, famfo gidaje, ko abubuwan winch na teku, ba kawai zaɓin abu bane - suna yin alƙawarin juriya na lalata, kwanciyar hankali, da dogaro na dogon lokaci a ƙarƙashin matsin lamba. Amma samo wannan kayan bai isa ba. Abin da ke da mahimmanci shi ne yadda aka canza shi: mutuncin simintin gyare-gyare, madaidaicin CNC, daidaiton maganin zafi, gano kowane nau'i na narkewa. A nan ne gaskiya 304 bakin karfe factory ya ware kansa-ba ta lambobi na kasida ba, amma ta tsarin horo.
Me yasa "Masana'antu" ke nufin Fiye da Layin Samar da kawai
A 304 bakin karfe factory dole ne sarrafa cikakken sarkar: bokan danyen billet tare da rahoton gwajin niƙa (ASTM A240, EN 10088-2), narkewar yanayi mai sarrafawa don ƙarancin sulfur da ragowar iskar oxygen, da tsattsauran rarrabuwa yayin yin injin don hana kamuwa da giciye tare da carbon ko ƙarfe na kayan aiki. Mun ga da yawa sassa kasa a sabis-ba daga matalauta gami sunadarai, amma daga m passivation bayan Multi-axis milling, ko micro-cracking a kaifi ciki radii saboda m kayan aiki hanyoyi.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna kula da 304 bakin karfe ba a matsayin kayayyaki ba, amma azaman tsarin aiki. Kowane kuri'a yana jurewa tabbataccen spectrometry akan karɓa. Machining yana amfani da manyan lathes-nau'in Swiss mai ƙarfi da niƙa 5-axis tare da isar da sanyaya-ta hanyar kayan aiki-mahimmanci don ƙaurawar guntu a cikin zurfafan ɓangarorin kamar fistan famfo Silinda gidaje. Babu gajerun hanyoyi. Babu “isasshen” da ya ƙare. Idan zanen ku yana kira ga Ra 0.4 µm akan fuskar hatimi, muna auna shi - ba ƙididdige shi ba - tare da na'urori masu ƙima waɗanda aka daidaita su zuwa ma'aunin NIST.
Inda Ma'auni na 304 Ya Haɗu da Aikin Injiniya-Mahimmanci
Standard 304 yana aiki don tankunan abinci. Ba ya aiki ta atomatik don AMS 5387 cobalt-alloy pump taros da ke aiki a 450°C da mashaya 350. Duk da haka abokan ciniki da yawa suna tambayar mu don injin kayan haɗin 304 * tare da * T800 superalloys akan kayan haɗin gwiwa. Abin da ya sa kayan aikinmu ke aiwatar da tsauraran rabe-rabe: ƙwararrun ƙwayoyin CNC marasa ƙarfi, tashoshi daban-daban, da akwatunan kayan aiki masu launi. Mun koyi wannan ta hanya mai wahala-a yayin binciken 2022, sarar carbide guda ɗaya da ba daidai ba ta bar ragowar ƙarfe a kan kujerar bawul 304. Sashin ya wuce gwaje-gwajen girma-amma ya gaza gwajin fesa gishiri a sa'o'i 96. Darasi mai kunshe: Tsaftar ƙarfe yana farawa kafin yanke na farko.
Mafi yawan aikace-aikacen mu na 304 na yau da kullun suna nuna alamun damuwa na duniya: jikin bawul ɗin matsa lamba yana buƙatar matsananciyar hankali (<0.015 mm) tsakanin mashigai da mashigai; famfo tushe bukatar flatness tsakanin 0.05 mm a kan 600 mm; da winch center shaft rollers an fuskanci lodin cyclic torsional. Waɗannan ba kayan jari ba ne. Suna da GD&T-nauyi, tare da jurewar matsayi da aka yi nuni ga fasalulluka na datum da aka ƙera a saiti ɗaya-ba uku ba. Wannan yana buƙatar haɗaɗɗen tsara tsarin simintin gyare-gyare, ba jerin abubuwan hannu ba.
Abin da "Mai Amintaccen Kerarrewar Al'ada" A Haƙiƙa Yana Isarwa
"Amintaccen" yana nufin samfurin ku ya zo cikin kwanaki 18 - ba "a cikin makonni 3-4 ba." Yana nufin kuna samun rahotannin CMM da ke nuna ainihin daidai da na ƙididdigewa ga kowane ma'auni mai mahimmanci-ba kawai tambari akan jerin abubuwan dubawa ba. Yana nufin lokacin da injiniyan ku ya ƙaddamar da yuwuwar tsangwama a cikin zanen taron, muna gudanar da simulation na dijital * kafin* yanke ƙarfe — kuma muna ba da shawarar daidaitawar radius na 0.03 mm wanda ke adana $12,000 a cikin sake aikin filin.
Ba mu fitar da simintin gyare-gyare, magani mai zafi, ko dubawa na ƙarshe. Kayan aikinmu mai yarda da ISO yana ɗaukar simintin saka hannun jari don gidaje 304 na bakin ciki, simintin yashi don manyan tushe har zuwa kilogiram 800, da warwarewar simintin simintin a cikin tanderun shirye-shirye tare da daidaiton ± 3°C. Kowane simintin gyare-gyare yana samun duba RT ko UT ta ASTM E94/E165. Kowane bangare na injin yana samun ingantaccen gani, girma, da ingantaccen aiki - gami da gwajin matsa lamba zuwa matsa lamba na 1.5 × don jikin bawul.
Wannan haɗin kai na tsaye yana warware babban batu mai zafi da muke ji daga ƙungiyoyin saye: nuna yatsa tsakanin ma'auni, kantin injin, da mai sutura lokacin da wani sashi ya gaza. Tare da abokin tarayya ɗaya mai lissafin kuɗi, binciken tushen tushen yana ɗaukar sa'o'i-ba watanni ba.
Zabar Bayan Takardun Daraja
Tambayi duk wani ƙwararren mai siye: Bambanci tsakanin masana'antun bakin karfe guda 304 sau da yawa yakan ta'allaka ne a cikin tarihin gazawar su - ba kasidarsu ba. A QINGDAO QIANGSENYUAN, bayanan mu na ciki marasa daidaituwa yana bin kowane karkatacciyar hanya: 72% yana da alaƙa da murdiya da mai aiki ta haifar akan siraran flanges; 18% mai tushe daga rashin isasshen zafin zafin jiki kafin waldawar gyaran simintin gyare-gyare; 10% sun haɗa da fassarar kuskuren kiran GD&T akan zanen gado. Muna raba waɗannan fahimtar-ba a matsayin tallace-tallace ba, amma a matsayin bayyananniyar aikin injiniya.
Idan odar ku ta gaba ta ƙunshi sassa 304 bakin ƙarfe don tsarin injin ruwa, mai da iskar gas, ko ciyawan abin hawa injiniyoyi, buƙatar fiye da zance. Tambayi: certs na niƙa tare da lambobin zafi, fayilolin shirin CMM don duba labarin farko, da kuma shaidar daidaitawa na shekara-shekara na ɓangare na uku don duk kayan aikin awo. Sannan kwatanta-ba farashi kawai ba, amma sarrafa ikon mallakar.
A 304 bakin karfe factory wanda ya mallaki halayen alloy a ƙarƙashin damuwa, yana sarrafa kowane canji daga narkewa zuwa aunawa, kuma yana ɗaukar zanen ku azaman kwangila - ba shawara ba - yana samun maimaita umarni. Ba ta hanyar alƙawura ba. Ta hanyar tabbatarwa, rubuce-rubuce, kisa mai maimaitawa.
