Simintin ƙarfe na ƙarfe yana ba da ƙarfin da bai dace ba, juriya, da ingancin farashi don sassan masana'antu da ke aiki ƙarƙashin matsanancin matsin lamba, hawan keke na zafi, ko yanayin abrasive. Lokacin da na'ura mai aiki da karfin ruwa ya kasa a 350 mashaya-ko winch shaft fracture a lokacin aikin crane a cikin teku - tushen tushen da wuya zane shi kadai. Sau da yawa zaɓin kayan abu ne, kulawar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun tsari, ko kwanciyar hankali da aka samu matsala yayin simintin gyare-gyare. Mun gan shi a cikin nahiyoyi uku: simintin ƙarfe na carbon wanda ya wuce gwaje-gwaje masu ƙarfi amma ya fashe a cikin sabis saboda ƙarancin ƙarancin da ba a gano shi ba kusa da fillet masu ɗaukar kaya; Wasu waɗanda suka hadu da ASTM A27 Grade WCB ƙayyadaddun ƙayyadaddun bayanai akan takarda amma sun lalace bayan maganin zafi saboda ba a tsara farashin sanyaya zuwa kauri ba. Shi ya sa madaidaicin simintin ƙarfe na carbon ba game da zubar da narkakkar ƙarfe ba ne - game da sarrafa ƙarfi, inganta tsarin hatsi, da kullewa a cikin lissafi kafin mashin ɗin ya fara.
Me yasa Simintin Karfe Carbon Ya Yi Nasara A Inda Madadin Zaɓuɓɓuka Suka Faru
Bakin karfe yana tsayayya da lalata-amma ba shi da ƙarfin samarwa sama da 650 MPa ba tare da aikin sanyi mai tsada ba. Aluminum yana ceton nauyi-amma gajiya da sauri a ƙarƙashin nauyin hydraulic cyclic. Ƙarfe da aka ƙirƙira yana ba da yawa-amma ba zai iya yin kwafin hadaddun hanyoyin ciki na gidan famfo na piston ba. Carbon karfe simintin gadoji cewa rata. Maki kamar ASTM A27 WCB, ASTM A105, da ISO 3755 GS-45 suna isar da ƙarfin 485-655 MPa, ƙarfin tasiri har zuwa -29 ° C, da injin da ke yanke lokacin sake zagayowar ta 35% tare da gami da nickel gami. Mahimmanci, ƙarfe na carbon yana amsawa ga daidaitawa, kashewa, da zafin rai - yana ba da damar ingantaccen bayanin martaba: 220-260 HB a cikin filaye masu ɗauka, 180 HB a cikin flanges marasa mahimmanci, duk daga simintin gyare-gyare guda ɗaya. Mun tabbatar da wannan akan odar kwanan nan don abin hawa injiniyoyi a kan winch center shaft rollers: yashi-yashi A27 WCB <0.05 mm kewayawa bayan gama juyawa-yayin da ke riƙe taurin 245 HB da ake buƙata don dorewar haɗin gwiwa.
Abubuwa Hudu Marasa Tattaunawa a cikin Mishi-Mahimmancin Carbon Karfe
Ba duk simintin gyare-gyare na carbon karfe ke yin daidai ba. Binciken gazawar duniya na ainihi yana nuna kashi 72% na gazawar filin da aka samu a cikin ɗayan yankuna huɗu:
- Raw kayan ganowa: Certified heats kawai-babu gaurayawan tsari. Muna samo asali daga masana'anta tare da takaddun shaida na EN 10204 3.1 kuma muna yin rajistar kowane lambar ladle akan ID ɗin da aka gama.
- Ƙaddamar da ƙirar ƙira: Babu zato akan sanyawa riser. Muna gudanar da simintin MAGMASOFT® don kowane sabon tsari-daidaita saurin ƙofa don kiyaye lambar Reynolds ƙasa da 2,500 da kuma guje wa fim ɗin oxide mai haifar da tashin hankali.
- Thermal gradient iko: Yashi mold permeability, danshi abun ciki, da sanyi jeri an calibrated kowane sashe kauri. Katanga-mm 120 na buƙatar sanyaya daban-daban fiye da gidan yanar gizo mai tsayi 25-har ma a cikin simintin gyare-gyare iri ɗaya.
- Ingantacciyar ƙima kafin yin inji: Kowane simintin gyare-gyare yana fuskantar gwajin CMM akan simintin GD&T. Mun ƙi ɓangarorin da ke da karkacewar> 0.3 mm a cikin mahimman fasalulluka na datum-ba kawai girma na ƙarshe ba.
Wannan horon yana bayyana dalilin da yasa simintin gyare-gyaren carbon ɗin mu don bawul ɗin matsa lamba ya cimma matsayar wurin zama mai maimaitawa tsakanin ± 0.025 mm-mahimmanci don rufewa mai tsauri a mashaya 700.
Lokacin da Matakan Tsari na Haɓaka suka Fi Ƙarfafa Simintin gyare-gyare ko Machining
Tushen famfo ba kawai shingen karfe ba ne. Dandali ne mai girgiza girgiza mai ramuka 14, madaidaicin dowel 3, da shimfidar ƙasa ≤0.05 mm sama da 1.2 m². Ƙoƙarin jefa wannan haƙuri asara ce. Ƙoƙarin yin inji daga kwano mai ƙarfi yana da tsada. Mafita? Zuba jari-zuba carbon karfe (ASTM A356) m siffofi, sa'an nan CNC niƙa m saman a daya saitin ta amfani da granite-gado inji tare da real-lokaci thermal diyya. Muna amfani da wannan tsarin haɗin kai don kashi 68% na gidajen mu na Silinda - rage amfani da albarkatun ƙasa da kashi 42%, yanke lokacin gubar ta kwanaki 11, da kuma riƙe madaidaicin-zuwa-flange zuwa 0.015 mm. Maɓalli masu ba da damar: simintin gyare-gyaren da aka ɗora tare da na'urar datum pads, bincikar bincike a cikin aiki bayan roughing, da kuma kawar da damuwa *tsakanin* wuce kima da ƙarewa-ba kawai bayan yin simintin ba.
Zaɓan Abokin Wajen Simintin Karfe Karfe Naku: Abin da Zaku Tabbatarwa Bayan Takaddun Shaida
Nemi hujja-ba alkawuran ba. nema:
- Rahoton simintin simintin samfurin yana nuna ainihin sakamakon gwajin tensile/tasiri-ba wai kawai “ya hadu da ASTM A27 ba”
- Hotunan Hotunan ɓangarorin ƙetaren giciye masu tabbatar da kwararar hatsi sun yi daidai da hanyoyin ɗaukar nauyi na farko
- Rahoton CMM don duka simintin simintin gyare-gyare da ɓangarorin da aka gama akan bitar zane iri ɗaya
- Tsara takaddun FMEA da ke gano yadda suke hana ɓarna a cikin sassan bangon bakin ciki ƙasa da mm 8
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana amfani da waɗannan cak a kullum. Kayan aikinsu na yarda da ISO a cikin Qingdao yana haɗe da simintin yashi, simintin saka hannun jari, CNC mai yawan axis, da maganin zafi a ƙarƙashin rufin ɗaya-kawar da hannun jari wanda ke lalata ci gaban girma. Ba kawai suna jefa carbon karfe ba. Suna injiniya halayensa.
Simintin ƙarfe na carbon ya kasance hanya mafi dacewa don dorewa, abubuwan masana'antu masu ɗaukar nauyi-lokacin ƙarfe, sarrafa tsari, da daidaita ma'auni. Mataki na gaba ba shine zaɓin abu ba. Yana zabar wanda ke sarrafa sauye-sauyen da ke sa abin ya yi. Nemo abokan hulɗa waɗanda ke nuna maka bayanan da ke bayan takaddun ƙayyadaddun bayanai-ba kawai takardar kanta ba.
