Iron simintin gyare-gyare na kayan bawul

Iron simintin gyare-gyare na kayan bawul

Wannan ma'auni yana bayyana sharuɗɗa da ma'anoni, maki, buƙatun fasaha, samfuri da tubalan gwaji, hanyoyin gwaji, ƙa'idodin kulawa, tantance simintin, marufi, ajiya da buƙatun sufuri. Hanyar samar da sinadarai na simintin ƙarfe na simintin ƙarfe dole ne mai bayarwa ya ƙayyade don tabbatar da cewa ƙimar kayan da ake buƙata da aikin da ake buƙata sun dace da wannan sikelin. Lokacin da simintin ƙarfe na simintin ƙarfe yana da amfani na musamman da buƙatu, ɓangaren sinadari da maganin zafi na iya yarda da bangarorin biyu. Ya kamata a lura da simintin ƙarfe na simintin gyare-gyare yana da aƙalla 80% na graphite madaidaiciya akan jirginsa mai goge fuska mai girman fuska biyu, sauran kashi 20% kuma ya zama mai siffa mai sassauƙa, graphite clumped, da graphite flake kada a bari.

iyaka

Wannan ma'auni yana bayyana sharuɗɗa da ma'anoni, maki, buƙatun fasaha, samfuri da tubalan gwaji, hanyoyin gwaji, ƙa'idodin kulawa, tantance simintin, marufi, ajiya da buƙatun sufuri.

Wannan sikelin ya dace don amfani da ƙirar ƙirƙira na simintin simintin gyare-gyare na simintin gyare-gyare na simintin gyare-gyaren ƙarfe tare da ƙirar yashi ko tare da ƙarancin zafin jiki wanda ya dace da ƙirar yashi. Ana iya amfani da ƙarfen simintin ƙarfe da wasu hanyoyin ƙirƙira ke samarwa azaman tunani.

Daftarin magana na al'ada

Takaddun da ke gaba suna da mahimmanci don aiwatar da wannan takaddar. Don kwanan wata nassoshi, sigar kwanan wata ta dace da wannan takaddar. Za a yi amfani da sigar takardar da ba ta ƙare ba (ciki har da duk gyare-gyare) don wannan takaddar.

GB/T 228 Kayan ƙarfe - Hanyar gwaji mai ƙarfi a cikin ɗaki (GB/T 228-2002, eqv TS EN ISO 6892: 1998)

Kayan ƙarfe - Gwajin taurin Brinell - Kashi na 1: Hanyoyin gwaji (GB/T 231.1-2009; ISO 6506-1: 2005, MOD)

GB/T 5611 Ƙarfafa sharuddan

GB/T 5612 Hanyar wakilcin darajar ƙarfe (GB/T 5612-2008, ISO 15931; 2004, MOD)

Samfurin ƙirƙira (GB/T 6060.1-1997, eqv ISO 2632-3: 1979)

Haƙuri na girma da izinin injina don Castings (GB/T 6414-1999, eqv ISO 8062:1994)

GB/T 11351 jure nauyi simintin

GB/T 26656 gyare-gyaren ƙarfe na ƙarfe na simintin gyaran ƙarfe

Sharuɗɗa da ma'anoni

Ana amfani da sharuɗɗan da aka kafa a GB/T 5611 da waɗannan sharuɗɗa da ma'anoni don wannan takaddar.

Simintin simintin gyare-gyare

Carbon ya kasance a cikin nau'in graphite vermicular wanda aka hado daga simintin ƙarfe a cikin matrix ɗin ƙarfe.

Magani mai raɗaɗi

Wani tsari wanda ake ƙara wakili mai rarrafe zuwa ƙarfe na ruwa don haɗe graphite mai kama da tsutsotsi yayin ƙarfafawa.

Simintin babban kaurin bango

Babban kaurin bangon simintin gyare-gyare yana nufin kauri na sashin aikin injiniya na kayan aikin simintin ko kauri na babban sashin aikin simintin, wanda bangarorin biyu suka amince.

iri

Za a wakilta darajar kayan bisa ga ƙayyadaddun GB/T 5612.

A cikin wannan sikelin, simintin simintin gyare-gyare na simintin gyare-gyare yana rarraba zuwa maki 5 bisa ga tsarin injina na samfuran da aka sarrafa ta hanyar simintin gyare-gyare ko tare da tubalan gwajin simintin gyaran kafa (duba Table 1 da Table 2).

Bayanin oda

Alamar kayan simintin da ake buƙata ta Demander.

Babban kaurin bangon aikin simintin gyaran kafa kamar yadda bangarorin biyu suka amince.

Wasu bukatu na musamman da bangarorin biyu suka amince.

Production da kuma masana'antu

Hanyar samar da sinadarai na simintin ƙarfe na simintin ƙarfe dole ne mai bayarwa ya ƙayyade don tabbatar da cewa ƙimar kayan da ake buƙata da aikin da ake buƙata sun dace da wannan sikelin. Lokacin da simintin ƙarfe na simintin ƙarfe yana da amfani na musamman da buƙatu, ɓangaren sinadari da maganin zafi na iya yarda da bangarorin biyu.

Bukatar fasaha

Kayan aikin injiniya na samfurin simintin gyare-gyare guda ɗaya

Abubuwan injina na samfuran simintin simintin gyare-gyare guda ɗaya na simintin ƙarfe na simintin ƙarfe ya kamata su dace da ƙayyadaddun abubuwan da ke cikin Tebur 1.

Gabaɗaya, 0.2% ƙarfin yawan amfanin ƙasa Rpo ba a amfani dashi azaman tushen karɓa. Lokacin da mai nema yana da buƙatu na musamman, ana iya tantance shi kuma.

Tebur 1 Aikin injina na samfurin simintin gyare-gyare guda ɗaya

Ayyukan inji na samfurin simintin gyaran kafa

Abubuwan injina na samfuran simintin ƙarfe na simintin gyare-gyare za su dace da ƙayyadaddun abubuwan da ke cikin Tebur 2.

Ƙarfin 0.2% Rpo gabaɗaya ba a amfani dashi azaman tushen karɓa. Lokacin da mai nema yana da buƙatu na musamman, kuma ana iya tantance shi.

Tebur 2 Aikin injina na samfurin simintin gyaran kafa

Ayyukan injina na simintin samfurin jiki

Matsayin simintin simintin gyare-gyare tare da tubalan gwaji akan simintin ya kamata yayi la'akari da siffar simintin gyare-gyaren da tsarin tsarin tsarin zubar da ruwa, don kauce wa mummunan tasiri akan ayyukan sassan da ke kusa da su, kuma ka'idar ba ta kasance ba. yana shafar tsarin aikin simintin gyare-gyare, da ingancin simintin simintin, da yawan tubalan gwaji. Za a ɗauki shingen gwajin daga ɓangaren jima'i na simintin gyare-gyare. Don ƙayyade girman samfurin, mai siye zai nuna wa mai siyar da muhimmin sashi na simintin gyare-gyare. Idan mai nema ba shi da ra'ayi na son rai, mai sayarwa zai iya saita matsayi na yanke akan simintin gyare-gyare kuma ƙayyade diamita na samfurin.

Hawa: ƙarfen simintin ƙarfe don kayan Valve (I)

Tare da toshe gwajin simintin gyare-gyare

Simintin gyare-gyaren da aka maƙala toshewar gwajin su ma duk simintin gyare-gyare ne na batch iri ɗaya masu kaurin bango iri ɗaya.

Gabaɗaya, lokacin da nauyin simintin ya fi 2000kg, kuma kaurin bangon ya kasance 30mm ~ 200mm, an fi son haɗa shingen gwajin simintin. Lokacin da nauyin simintin ya wuce 2000kg kuma kaurin bango ya kai 200mm, ana amfani da toshe gwajin simintin da aka haɗe. Girma da matsayi na toshe gwajin simintin gyare-gyare za a amince da su daga bangarorin biyu.

Sai dai in ba haka ba daga bangarorin biyu, ana nuna siffa da girman tubalin gwajin simintin gyare-gyare a cikin adadi

Matsayin ƙarin shingen gwajin simintin simintin ya kamata ya yi la'akari da sifar simintin da tsarin tsarin tsarin zub ɗin, don guje wa mummunan tasiri akan ayyukan sassan da ke kusa, kuma kada su shafi aikin tsarin. na simintin gyare-gyare, ingancin bayyanar simintin da kuma yawan toshe gwajin a matsayin ka'ida.

Duk tubalan gwaji yakamata a yiwa alama alama sosai don tabbatar da cewa ana iya bin diddigin ingancin simintin a duk lokacin aikin.

Lokacin da simintin gyare-gyare na buƙatar magani mai zafi, za a raba simintin da aka haɗe daga simintin bayan jiyya mai zafi sai dai in an yarda da wasu ɓangarorin. mikewa

Bayani:

Ƙarfin cin yashi na gwajin toshe simintin gyare-gyare: nau'in Ⅰ, Ⅱa da Ⅱb sun fi 40 mm ƙarami; Nau'in Ⅲ ƙananan 80mm

Lura: Don simintin bango ko simintin ƙarfe, ana iya ɗaukar samfurin daga toshe gwajin u12.5mm, kuma ɓangaren biyu na iya yarda da aikin injin.

Girman raka'a na tubalan I da U sune millimeters

Bayani:

Gwajin toshe simintin cin abinci: nau'in I, nau'in II ƙarami 40mm; Nau'in Ⅲ Ƙananan 80mm,

Lura: Don simintin simintin bango ko ƙarfe, ana iya ɗaukar samfurin daga gare ku

Toshe gwajin jiki

Ayyukan injiniya na ƙayyadaddun ɓangaren simintin gyare-gyare za a amince da su daga bangarorin biyu. Za a auna waɗannan ayyuka daga samfurin yanke daga ƙayyadadden sashi na simintin gyaran kafa. Samfurin diamita za a yarda da bangarorin biyu. Ana nuna girman samfurin tensile a FIG. 4 da Table 6

Za a ɗauki shingen gwajin daga ɓangaren jima'i na simintin gyare-gyare. Don ƙayyade girman samfurin, mai siye zai nuna wa mai siyar da muhimmin sashi na simintin gyare-gyare. Idan mai nema ba shi da ra'ayi na son rai, mai sayarwa zai iya saita matsayi na yanke akan simintin gyare-gyare kuma ƙayyade diamita na samfurin.