Ƙwararriyar Ƙwararriyar Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfe HRB400 Gina Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfe

Tare da Katin Kasuwanci mai Sauti, kyawawan ayyuka na tallace-tallace da kayan masana'antu na zamani, mun sami kyakkyawar damar samun sakamako mai kyau, da aminci ga isa ga ƙimar kula da Sinawa, da kuma cikakkiyar fahimtar da ta dace da ƙasashen waje.
Tare da ingantaccen darajar kasuwanci, kyakkyawan sabis na tallace-tallace da wuraren masana'antu na zamani, mun sami kyakkyawan suna a tsakanin abokan cinikinmu a duk faɗin duniya donChina Rebar da Karfe Rebar, Lokacin da Ya samar, yana yin amfani da babbar hanyar duniya don ingantaccen aiki, ƙarancin gazawar farashi, ya dace da zaɓin masu siyayya Jeddah. Kamfanin mu. Kasancewa a cikin biranen wayewa na ƙasa, zirga-zirgar gidan yanar gizon ba shi da wahala sosai, yanayi na musamman da yanayin kuɗi. Muna bin tsarin falsafar kamfani "mai-daidaita mutane, ƙwararrun masana'antu, ƙwalƙwalwar tunani, yin hazaka". Madaidaicin ingantaccen gudanarwa, sabis mai ban sha'awa, farashi mai araha a Jeddah shine tsayawarmu a kusa da yanayin masu fafatawa. Idan ana buƙata, maraba don tuntuɓar mu ta shafin yanar gizon mu ko shawarwarin waya, za mu yi farin cikin yi muku hidima.

rarrabawa

Wurin ribbed karfe mai zafi ya kasu zuwa maki uku: HRB335 (tsohon sa shine 20MnSi), digiri na uku HRB400 (tsohon sa shine 20MnSiV, 20MnSiNb, 20Mnti), da kuma HRB500 na hudu.
Akwai hanyoyin rarrabuwa guda biyu da aka saba amfani da su don ƙarfafa sanduna:daya shine a rarraba bisa ga siffar geometric, ɗayan kuma shine a rarraba ko rarraba bisa ga tsarin giciye na sanduna masu juyawa da tazarar sanduna. Nau'i na II.Wannan rarrabuwa yana nuna mahimmancin aikin ƙarfafawa.

Na biyu shi ne bisa ga rarrabuwar aiki (grade), kamar tsarin aiwatarwa na yanzu a ƙasata, rebar ita ce (GB1499.2-2007) waya ita ce 1499.1-2008), kuma an raba rebar zuwa kashi 3 bisa ga ƙarfin ƙarfin (ƙarfin da aka samu). Daraja; a cikin Matsayin Masana'antu na Jafananci (JI SG3112), sandunan ƙarfe sun kasu kashi 5 bisa ga cikakkun kaddarorin su; a Matsayin Biritaniya (BS4461), an kuma kayyade maki da yawa na gwajin aikin mashaya karfe. Bugu da kari, ana iya rarraba sandunan ƙarfe ta hanyar amfani, kamar sandunan ƙarfe na yau da kullun don ƙarfafa simintin ƙarfe da sandunan ƙarfe masu zafi don ƙarfafa simintin da aka riga aka yi.

al'amari

1) Kewayon diamita mara kyau da diamita shawarar
Mafi girman diamita na sandunan ƙarfe ya fito daga 6 zuwa 50mm, kuma ƙa'idodin da aka ba da shawarar mafi girman diamita na sandunan ƙarfe sune 6, 8, 10, 12, 14, 16, 20, 25, 32, 40, da 50mm.
2) Bambance-bambancen da aka yarda da sifar saman da girman ribbed karfe sandar
Ka'idodin ƙira na sandunan ƙarfe na ribbed yakamata su dace da buƙatun masu zuwa:
Matsakaicin β tsakanin haƙarƙari mai jujjuyawa da axis na sandar ƙarfe bai kamata ya zama ƙasa da digiri 45 ba. Lokacin da kusurwar da aka haɗa ba ta fi digiri 70 ba, jagorancin madaidaicin sanduna a bangarorin biyu na sandar karfe ya kamata ya zama akasin haka;
Matsakaicin tazarar l na sanduna masu jujjuya bai kamata ya zama fiye da sau 0.7 na madaidaicin diamita na sanduna ba;
Matsakaicin α tsakanin gefen haƙarƙari mai jujjuyawa da saman sandar ƙarfe ba zai zama ƙasa da digiri 45 ba;
Jimlar gibin (ciki har da faɗin haƙarƙari na tsaye) a ƙarshen haƙarƙari masu jujjuyawa a ɓangarorin da ke kusa da sandar ƙarfe ba za su fi 20% na madaidaicin madaidaicin sandar ƙarfe ba;
Lokacin da ƙananan diamita na sandar ƙarfe ba ta wuce 12mm ba, yankin haƙarƙarin dangi bai kamata ya zama ƙasa da 0.055; lokacin da diamita mara kyau shine 14mm da 16mm, yankin haƙarƙarin dangi bai kamata ya zama ƙasa da 0.060 ba; Lokacin da diamita mara kyau ya fi 16mm, yankin haƙarƙarin dangi bai kamata ya zama ƙasa da 0.065 ba. Duba Karin Bayani na C don lissafin yanki na haƙarƙari.
Sandunan ƙarfe na ribbed gabaɗaya suna da sanduna masu tsayi, kuma akwai kuma waɗanda ba su da sandunan tsayi;

3) Tsawon tsayi da karkatacciyar hanya
Daya. tsayi
Ana ba da sandunan ƙarfe yawanci a cikin tsayayyen tsayi, kuma takamaiman tsayin bayarwa ya kamata a nuna a cikin kwangilar;
Ana iya sadar da sandunan ƙarfe a cikin nadi, kowane nadi ya zama sandar ƙarfe ɗaya, kuma kashi 5% na adadin rolls a kowane tsari (kasa da nadi biyu rolls biyu rolls) ya ƙunshi sandunan ƙarfe biyu. An ƙayyade nauyin faifai da diamita na diski ta hanyar shawarwari tsakanin mai siyarwa da mai siye.
b. Haƙuri na tsayi
Lokacin da aka ba da tsayin tsayin daka, ƙayyadaddun da aka yarda da tsayin shingen karfe bai wuce ± 25mm ba;
Lokacin da ake buƙatar mafi ƙarancin tsayi, karkacewar shine + 50mm;
Lokacin da matsakaicin tsayin da ake buƙata, karkacewar shine -50mm.
c. Curvature da ƙarewa
Ya kamata a yanke ƙarshen shingen karfe madaidaiciya, kuma lalacewar gida ba zai shafi amfani ba

gabatarwar hoto

Tare da Katin Kasuwanci mai Sauti, kyawawan ayyuka na tallace-tallace da kayan masana'antu na zamani, mun sami kyakkyawar damar samun sakamako mai kyau, da aminci ga isa ga ƙimar kula da Sinawa, da kuma cikakkiyar fahimtar da ta dace da ƙasashen waje.
Kwararrun SinawaChina Rebar da Karfe Rebar, Lokacin da Ya samar, yana yin amfani da babbar hanyar duniya don ingantaccen aiki, ƙarancin gazawar farashi, ya dace da zaɓin masu siyayya Jeddah. Kamfanin mu. Kasancewa a cikin biranen wayewa na ƙasa, zirga-zirgar gidan yanar gizon ba shi da wahala sosai, yanayi na musamman da yanayin kuɗi. Muna bin tsarin falsafar kamfani "mai-daidaita mutane, ƙwararrun masana'antu, ƙwalƙwalwar tunani, yin hazaka". Madaidaicin ingantaccen gudanarwa, sabis mai ban sha'awa, farashi mai araha a Jeddah shine tsayawarmu a kusa da yanayin masu fafatawa. Idan ana buƙata, maraba don tuntuɓar mu ta shafin yanar gizon mu ko shawarwarin waya, za mu yi farin cikin yi muku hidima.

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