Lokacin da injiniyoyi suka bayyana 2Cr13 bakin karfe don jikin bawul ɗin hydraulic, gidaje famfo piston, ko winch center shaft rollers, ba kawai zaɓin abu bane - suna yin fare akan kwanciyar hankali a ƙarƙashin matsi na mashaya 300+, juriya ga galling a cikin musaya masu zamewa, da daidaiton taurin bayan magani mai zafi. Shi ya sa ake samo asali daga gaskiya 2Cr13 bakin karfe factory-ba wakili na ciniki ba ko tushen manufa na gaba ɗaya-ba za a iya sasantawa ba. Mun ga ayyuka da yawa da aka jinkirta ta hanyar rashin daidaituwar ƙarfin ƙarfi (Rm), rashin daidaituwa na HRC 28-32 bayan zafin rai, ko ƙananan microcracks da aka bayyana kawai yayin gwajin aiki.
Me yasa 2Cr13 Ya Bukaci Sama da Daidaitaccen Tsarin Bakin Karfe
2Cr13 ba austenitic bane kamar 304 - yana da martensitic. Wannan yana nufin aikin sa ya rataye gabaɗaya akan madaidaicin tarihin zafin jiki: haɓakawa a 980-1050 ° C, mai kashewa, sa'annan yayi zafi tsakanin 600-750 ° C don buga taurin manufa ba tare da sadaukar da tauri ba. Mai ba da kayayyaki na gabaɗaya na iya isar da “2Cr13” wanda ya dace da bayanan sinadarai na GB/T 1220-amma ya gaza akan injiniyoyi. Mun auna batches inda ƙarfin yawan amfanin ƙasa ya bambanta ± 45 MPa a cikin kuri'a saboda ƙimar sanyaya mara ƙarfi ko rashin isasshen lokacin jiƙa. Sakamakon hakikanin duniya? Gidajen silinda ya fashe yayin hawan hawan matsin lamba a mashaya 220 - ba a walda ba, amma a cikin yankin da zafi ya shafa.
Wannan shine inda haɗin kai tsaye yake da mahimmanci. A wurin aikinmu na Qingdao, muna sarrafa cikakken sarkar: ƙwararrun billet ɗin da aka ba da izini (tare da rahotannin gwajin niƙa da za a iya ganowa zuwa lambar tanderu), injin CNC tare da tabbatar da ƙarfi a cikin tsari, tanda mai ɗaukar zafi tare da ± 3°C uniformity, da gwajin CMM na ƙarshe akan GD&T callouts — ba kawai ƙira ba. Babu handoffs. Babu zato-zuwa-tsari.
Ƙarfi guda huɗu waɗanda ke raba masana'antar Bakin Karfe na 2Cr13 na Gaskiya Daga Sauran
- Ilimin ƙarfe na ƙarfe: Muna inganta kowane zafi na 2Cr13 ta amfani da kayan aikin walƙiya na walƙiya-da sake gwada magani bayan zafi don tabbatar da riƙewar carbon da kwanciyar hankali na Cr/Mn. AMS 5387 cobalt alloy sassa suna raba aikin aikin lab iri ɗaya, don haka daidaiton kayan abu ba ƙa'ida bane.
- Machining-zafin jiyya synergy: Mu Multi-axis CNC Kwayoyin suna co-located tare da tempering tanderu. Sassan suna tafiya kai tsaye daga ƙare yanke zuwa fushi-babu sanyin yanayi wanda ke haifar da gurɓacewar damuwa. Sakamako: Gidajen famfo piston suna riƙe ≤0.015 mm juriya juzu'i a Ø180 mm, ko da bayan bayanan feshin gishiri na sa'o'i 500.
- Daidaita gama aiki: Domin matsa lamba bawuloli, mu yi amfani da sarrafawa nitriding-ba generic plating-don bunkasa surface taurin zuwa HV 900+ yayin da tsare core taurin. Domin winch shafts, muna amfani da madaidaicin nika tare da sa ido kan rashin ƙarfi na lokaci-lokaci (Ra ≤0.4 μm) don hana lalacewar hatimin da bai kai ba.
- An gasa ganowa, ba a kulle ba: Kowane kayan aikin 2Cr13 yana jigilar kaya tare da takardar shedar dijital da ke nuna albarkatun ƙasa da yawa, yanayin zafin zafi, hoton rahoton CMM, da ID na ma'aikaci. Ba wai kawai "mai yarda ba" - za a iya saurare.
Kudin Zaɓar Ba daidai ba—Da Abin da Ake Ciki Don Samun Daidai
Wasu masu siye suna bin ƙananan farashin rukunin. Sa'an nan kuma suna ɗaukar farashin ɓoye guda uku: sake yin aiki (mun ga ƙimar 22% akan sassan 2Cr13 daga shagunan da ba a tabbatar da su ba saboda lalatawar), gazawar filin (taron bawul guda ɗaya da aka kama a cikin kayan aikin mai na bakin teku na iya kashe $ 17k / sa'a downtime), da ƙira jinkirin haɓaka (GD & T ingantaccen ra'ayi yana ɗaukar sa'o'i 72 anan-ba makonni 3 ba).
Farashin mu yana nuna abin da ainihin farashin yin 2Cr13 daidai: ƙwararrun ƙarin cajin kayan (ba za a iya sasantawa ba), kayan aikin sadaukar da kayan aiki don mashin ɗin mai ƙarfi (sakawar carbide tare da PVD TiAlN shafi), da kuma tilas 100% magnetic barbashi dubawa a kan m sassan. Amma abokan ciniki akai-akai suna gaya mana ROI hits a matakin samfuri-lokacin da raka'o'in su na farko 5 suka wuce gwajin aiki akan jadawalin, babu wani gwaji na biyu da ake buƙata.
Neman Gaba: Inda Maƙasudin 2Cr13 ke Tafiya
Aikace-aikace na gaba na gaba suna buƙatar ƙunƙun haɗakarwa tsakanin ƙayyadaddun ƙayyadaddun simintin simintin gyare-gyare da na'urar lissafi. Yanzu muna cancantar matakan haɓaka: saka hannun jari na 2Cr13 na saka hannun jari tare da juriya-nau'i-nau'i-nau'i-nau'i (± 0.3 mm), biye da madaidaicin axis guda biyar don cimma kaurin bango zuwa 4.2 mm-ba tare da lalata rayuwar gajiya a hawan keke na 10⁷ ba. A lokaci guda, ƙungiyar R&D ɗinmu tana tabbatar da saurin samfurin ASTM A957 mai dacewa don 2Cr13, yanke lokacin jagora daga makonni 12 zuwa kwanaki 18 don ƙwararrun geometries.
Idan aikace-aikacenku yana buƙatar bakin karfe 2Cr13 wanda ke aiki-ba kawai ya wuce aikin takarda ba- kuna buƙatar abokin tarayya wanda ke ɗaukar ƙarfe azaman injiniyanci, ba siyayya ba. Wannan yana farawa da yin tambayoyin da suka dace: Shin za ku iya nuna mani yanayin zafin zafin watan da ya gabata? Shin rahotannin ku na CMM sun haɗa da bayanan ramuwar zafi? Ana haɗin gano kayan aikinku da ma'aunin tanderu-ko lambar batch kawai?
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina waɗannan amsoshi zuwa kowane bangare. Domin a cikin tsarin aiki mai girma, babu wani abu kamar "mai kyau" bakin karfe.
