Kafin sanyawamadaidaicin galvanized karfe bututua kasuwa, dole ne a gudanar da gwaje-gwajen hannu, kuma madaidaicin galvanized karfe bututu masana'anta yana da sashin gwaji na sadaukarwa.Domin kasuwar farko na madaidaicin galvanized karfe bututu shine sana'ar auna gini.Amma wannan sana'a tana da babban abin da ake buƙata don ƙarfin ƙarfin madaidaicin bututun ƙarfe na galvanized, don haka ta yaya za mu inganta ƙarfin ƙarfin madaidaicin bututun ƙarfe na galvanized?Yanzu bari mu gabatar mana da shi.
A saman jerin, ana iya gwada madaidaicin bututun ƙarfe na galvanized ta amfani da gwajin eddy na yanzu maimakon gwajin ruwa.The gwaji matsa lamba ko eddy halin yanzu gwajin nuni size samfurin kamata bi ka'idojin GB 3092. The inji aiki na karfe ne mai muhimmanci manufa domin tabbatar da matuƙar aiki da amfani (injin aikin), wanda ya dogara da sinadaran abun da ke ciki da zafi magani sharudda na karfe.A cikin ma'auni na bututun ƙarfe, bisa ga buƙatun aikace-aikacen daban-daban, aikin shimfidawa (madaidaicin galvanized karfe bututun ƙarfe, ƙarfin samar da ƙarfi ko daidaitaccen bututun ƙarfe, elongation), taurin ƙarfi da dorewa, kazalika da ayyuka masu girma da ƙarancin zafin jiki waɗanda masu amfani ke buƙata. , an ƙayyade.
Abu na biyu, ƙarfin juzu'i na madaidaicin galvanized karfe bututu (σ b) Matsakaicin ƙarfin (Fb) wanda samfurin ya ɗauka yayin aiwatar da juzu'i a lokacin karaya, wanda aka samo daga asalin yanki na giciye (So) na samfurin (σ) ), An kira tensile ƙarfi na daidai galvanized karfe bututu (σ b) , a N / mm2 (MPa).Yana nuna iyakar ƙarfin kayan ƙarfe don tsayayya da lalacewa a ƙarƙashin tasirin ƙwanƙwasa.A cikin dabara: Fb - iyakar ƙarfin da samfurin ya ɗauka a lokacin karaya, N (Newton);Don haka - Asalin ɓangaren giciye na samfurin, mm2.Madaidaicin galvanized karfe bututu: wani karfe abu tare da samar da sabon abu, da kuma danniya a cikin abin da samfurin iya ci gaba da elongate ba tare da ƙara karfi (ci gaba da kwanciyar hankali) a lokacin mikewa tsari, ana kiransa daidai galvanized karfe bututu.Idan ƙarfin ya faɗi, ya kamata a bambanta manyan bututun ƙarfe na galvanized na sama da na ƙasa.Naúrar madaidaicin galvanized karfe bututu shine N/mm2 (MPa).Babban madaidaicin galvanized karfe bututu: Matsakaicin damuwa kafin farkon raguwar ƙarfi saboda lankwasa samfurin;Ƙananan madaidaicin galvanized karfe bututu: Matsakaicin danniya a cikin matakin samarwa lokacin da ba a yi la'akari da tasirin farko nan take ba.A cikin tsari: Fs - ƙarfin lanƙwasa yayin aikin jujjuyawar samfurin (barga), N (Newton) Don haka - yanki na asali na giciye na samfurin, mm2.Tsawaitawa bayan karaya: ( σ) A cikin gwaji mai ƙarfi, adadin tsawon da aka ƙara zuwa tsayin ma'auni na samfurin bayan karya idan aka kwatanta da tsayin ma'auni na asali ana kiransa elongation.
Na uku, tare da σ Yana Nuna cewa rukunin shine%.A cikin ma'auni: L1- ma'auni tsawon samfurin bayan karaya, mm;L0- Tsawon ma'auni na asali na samfurin, mm.Ƙididdigar raguwa na sashe: ( ψ) A cikin gwajin gwagwarmaya, matsakaicin raguwa a cikin yanki na yanki a raguwar diamita na samfurin bayan karya ana kiran kashi na asali na yanki na asali, wanda ake kira madaidaicin raguwa. .tare da ψ Yana Nuna cewa rukunin shine%.A cikin tsari: S0- Asalin yanki na yanki na samfurin, mm2;S1- Matsakaicin yanki na giciye a raguwar diamita na samfurin bayan karaya, mm2.Maƙasudin taurin: Ƙarfin kayan ƙarfe don tsayayya da shigar da abubuwa masu wuya a saman ana kiransa taurin.Dangane da hanyoyin gwaji daban-daban da jeri na aikace-aikace, taurin za a iya ƙara zuwa kashi na Brinell taurin, Rockwell hardness, Vickers hardness, Shore hardness, microhardness, da matsanancin zafin jiki.Akwai nau'ikan bututu guda uku da aka saba amfani da su: Brinell, Rockwell, da taurin Vickers.Taurin Brinell (HB): Yin amfani da wani takamaiman diamita na ƙwallon ƙarfe ko ƙwallon gami mai wuya
Lokacin aikawa: Jul-10-2023