Mechanical Properties na
(1) Ƙarfin ƙarfi (σb):Matsakaicin ƙarfin (Fb) na samfurin a lokacin raguwa mai ƙarfi yana rarraba ta hanyar damuwa (σ) na ainihin yanki na giciye (So) na samfurin.Naúrar ƙarfin ƙarfi (σb) shine N/mm2(MPa).Yana wakiltar iyakar ƙarfin kayan ƙarfe don tsayayya da lalacewa a ƙarƙashin tashin hankali.Inda: Fb-- iyakar ƙarfin da samfurin ke ɗauka lokacin da ya karye, N (Newton); Don haka-- Asalin ɓangaren yanki na samfurin, mm2.
(2) Matsayin Haɓakawa (σ S):ma'anar yawan amfanin ƙasa na kayan ƙarfe tare da abin al'ajabi.Yana da danniya wanda samfurin zai iya ci gaba da shimfiɗawa ba tare da ƙara ƙarfin ba (ci gaba da ci gaba) yayin aiwatar da juriya.Idan an sami raguwar ƙarfi, yakamata a bambanta maki na sama da na ƙasa.Naúrar ma'aunin yawan amfanin ƙasa shine NF/mm2(MPa).Matsakaicin yawan amfanin ƙasa (σ SU) shine matsakaicin matsananciyar damuwa kafin samfurin ya samar kuma ƙarfin ya faɗi a karon farko.Ƙananan ma'auni (σ SL): ƙananan damuwa a cikin matakin yawan amfanin ƙasa lokacin da ba a yi la'akari da tasirin wucin gadi na farko ba.Inda Fs shine ƙarfin yawan amfanin ƙasa (m) na samfurin yayin aiwatar da jujjuyawa, N (Newton) Haka shine asalin yanki na yanki na samfurin, mm.2.
(3) Tsawaitawa bayan karaya: (σ)a cikin gwajin ƙwanƙwasa, elongation shine adadin tsayin da aka karu ta daidaitaccen nisa na samfurin bayan karaya idan aka kwatanta da tsawon ainihin daidaitattun nisa.Naúrar shine%.Inda: L1-- nisa na samfurin bayan karya, mm;L0-- Tsawon nisa na asali na samfurin, mm.
(4) Rage sashe: (ψ)a cikin gwaji mai ƙarfi, adadin matsakaicin matsakaicin raguwa na yanki a cikin raguwar diamita na samfurin bayan an ja shi kuma ana kiran asalin yanki na yanki na yanki.ψ an bayyana a cikin %Inda, S0-- asalin yankin giciye na samfurin, mm2;S1-- Matsakaicin yanki na giciye a raguwar diamita na samfurin bayan karya, mm2.
(5) Ma'anar taurin zuciya:iyawar kayan ƙarfe don tsayayya da abubuwa masu wuya don shigar da saman, wanda aka sani da taurin.Dangane da hanyar gwaji da iyakokin aikace-aikacen, za a iya raba taurin zuwa taurin Brinell, taurin Rockwell, taurin Vickers, taurin bakin teku, taurin micro da zafin zafi mai girma.Yawanci amfani da bututu abu suna da brinell, rockwell, Vickers taurin 3 iri.
(6) Brinell taurin (HB):tare da wani takamaiman diamita na ƙwallon ƙarfe ko ƙwallon allo mai ƙarfi, tare da ƙayyadadden ƙarfin gwaji (F) an danna shi cikin samfurin samfurin, bayan ƙayyadadden lokacin riƙewa don cire ƙarfin gwajin, ma'aunin ma'aunin ma'aunin indentation na samfurin (L).Lambar taurin Brinell ita ce adadin ƙarfin gwajin da aka raba ta saman sararin sararin samaniya.An bayyana shi a cikin HBS, naúrar ita ce N/mm2(MPa).
Mechanical Properties na galvanized karfe bututu, Performance tasiri
(1) Carbon;Mafi girman abun ciki na carbon, ƙarfin ƙarfe, amma ƙarancin filastik da ductile shine.
(2) Sulfur;Shin tarkace mai cutarwa ne a cikin ƙarfe, ƙarfe tare da sulfur mafi girma a cikin sarrafa matsa lamba mai ƙarfi, mai sauƙin fashe, yawanci ana kiransa zafi brittleness.
(3) Phosphorus;Yana iya rage yawan filastik da taurin karfe, musamman ma a yanayin zafi mara nauyi, wanda ya fi muni, kuma ana kiran wannan al'amari sanyi brittleness.A cikin ƙarfe mai inganci, sulfur da phosphorus yakamata a sarrafa su sosai.Amma a daya hannun, low carbon karfe ƙunshi mafi girma sulfur da phosphorus, zai iya sa ta yanke sauki karya, don inganta machinability na karfe ne m.
(4) Manganese;Zai iya inganta ƙarfin ƙarfe, zai iya raunana da kuma kawar da mummunan tasirin sulfur, kuma zai iya inganta ƙarfin ƙarfe, babban ƙarfe mai ƙarfi tare da babban abun ciki na manganese (babban ƙarfe na manganese) yana da juriya mai kyau da sauran kayan jiki.
(5) Siliki;Yana iya inganta taurin karfe, amma filastik da rashin ƙarfi, ƙarfe na lantarki ya ƙunshi wani adadin silicon, zai iya inganta halayen magnetic mai laushi.
(6) Tungsten;Zai iya inganta taurin ja, ƙarfin zafi da juriya na ƙarfe.
(7) Chromium;Yana iya inganta hardenability da sa juriya na karfe, inganta lalata juriya da hadawan abu da iskar shaka juriya na karfe.
(8) Zinc;Domin inganta juriya na lalata, babban bututun ƙarfe (baƙar fata) yana galvanized.Galvanized karfe bututu ya kasu kashi biyu na zafi tsoma galvanized karfe da lantarki karfe zinc, zafi galvanized galvanized Layer kauri, lantarki galvanized kudin ne low, don haka akwai galvanized karfe bututu.
Mechanical Properties na galvanized karfe bututu, Tsaftacewa Hanyar
1. na farko da amfani da sauran ƙarfi tsaftacewa karfe surface, surface na kwayoyin halitta kau,
2. sannan a yi amfani da kayan aiki don cire tsatsa (buroshin waya), cire sako-sako ko karkatar da sikelin, tsatsa, slag walda, da sauransu.
3. amfani da pickling.
Galvanized ya kasu kashi zafi plating da sanyi plating, zafi plating ba sauki ga tsatsa, sanyi plating ne sauki ga tsatsa.
Mechanical Properties na galvanized karfe bututu, Haɗi a tsagi mirgina yanayin
(1) Tsagi walda fatattaka
1, da bututu bakin matsa lamba tsagi part na ciki bango waldi mashaya nika santsi, rage tsagi mirgina juriya.
2. Daidaita axis na karfe bututu da tsagi mirgina kayan aiki, da kuma bukatar matakin karfe bututu da tsagi mirgina kayan aiki.
3, daidaita saurin tankin matsa lamba, lokacin yin gyare-gyare na tankin matsa lamba ba zai iya wuce abubuwan da aka tanada ba, uniform da jinkirin ƙarfi.
(2) Mirgina tashar karfe bututu karaya
1. Sauƙaƙe haƙarƙarin walda akan bangon ciki na matsa lamba a bakin bututun ƙarfe don rage juriya na mirgina tsagi.
2. Daidaita axis na karfe bututu da tsagi mirgina kayan aiki, da kuma bukatar matakin karfe bututu da tsagi mirgina kayan aiki.
3, daidaita saurin tanki mai matsa lamba, saurin tanki mai matsa lamba ba zai iya wuce abubuwan da aka tanada ba, uniform da jinkirin ƙarfi.
4. Bincika nisa da nau'in abin nadi na goyan baya da matsi na kayan aikin tsagi don ganin idan rollers biyu ba su dace da juna ba a girman kuma suna haifar da abin mamaki.
5. Duba ko tsagi na karfe bututu an kayyade tare da vernier caliper.
(3) Injin gyare-gyaren tsagi yakamata ya dace da buƙatun masu zuwa
1. Fuskar daga ƙarshen bututu zuwa tsagi zai kasance mai santsi kuma ba tare da maɗaukaki-convex da alamun mirgina ba.
2. Tsakiyar tsagi ya kamata ya kasance mai mahimmanci tare da bangon bututu, nisa da zurfin tsagi ya kamata ya dace da bukatun, kuma duba ko nau'in matsi daidai ne.
3. A shafa mai a zoben rufe roba sannan a duba ko zoben da ke rufe roba ya lalace.Kada a yi amfani da man mai don mai mai.
Lokacin aikawa: Mayu-23-2022