Bolts sune samfuran kayan masarufi na yau da kullun a rayuwarmu ta yau da kullun kuma suna taka muhimmiyar rawa a rayuwarmu.Duk da haka, mutane da yawa ba su fahimci ƙayyadaddun bayanai da girman kusoshi ba.A yau, za mu ba ku gabatarwar kimiyya ga madaidaicin wakilcin bolts na anga, muna fatan taimaka muku.
1. Zaɓin kayan kwalliyar tushe
Gabaɗaya magana, kayan ƙugiya ya kamata ya zama Q235.Idan ƙarfin bai isa ba, za a iya zaɓar gunkin anka na 16Mn ta hanyar lissafi.Gabaɗaya, ana amfani da kullin anga Q235, kuma kullin yana da ƙarfi da juriya.
A gaskiya ma, ƙullun anga ba za su ƙara taka muhimmiyar rawa a cikin tsarin karfe da aka shigar ba.Wani ɓangare na ƙarfin shear kawai ya wanzu, saboda babban aikin shine don tallafawa bayan shigarwa, don haka ya kamata a yi la'akari da ƙayyadaddun lokacin zabar kusoshi.A zahiri, gabaɗaya muna amfani da Q235B ko Q235A, kuma gabaɗaya ba ma amfani da ƙugiya Q345, tare da tsayin da bai gaza 150mm ba.
Anga kusoshi: za a iya raba su zuwa kayan aiki anga kusoshi da tsarin anka kusoshi.Ya kamata a yi la'akari da zaɓin kusoshi na anka ta fuskar danniya, wato, ƙarfi, ƙwanƙwasa da ƙwanƙwasa da ƙayyadaddun kusoshi masu goyan baya.A lokaci guda, yayin da kusoshi na anga, yakamata su kasance suna ɗaukar ƙarfin ƙarfi.Saboda haka, Q235 (kuma la'akari da yanayin zafin jiki don kauce wa "blue brittleness") ya kamata a zaba a mafi yawan lokuta.Lokacin da gine-gine, gine-gine ko kayan aiki da aka gyara ta ƙullun anka na gida suna da tsattsauran ra'ayi ko togiya a kan kusoshi na anka, ya kamata a ƙididdige tsohon kuma a zaɓa tare da diamita ko zaɓi 16Mn kai tsaye tare da ƙarfin ƙarfin ƙarfi, kuma ya kamata a warware na karshen ta hanyar haɓaka. adadin kusoshi anka.Bayan haka, kayan suna da tsada a yanzu.
Yana da kyau a yi amfani da Q235A.Q235B ya fi Q235A tsada.Makullin anga baya buƙatar waldawa, don haka yana da kyau a yi amfani da Grade A.
2. Fasahar sarrafa kayan aikin tushe
Tsarin sarrafa ƙugiya na anga: kunna zaren farko, sannan lanƙwasa ƙugiya, a haye Q235 mai tsayi iri ɗaya na 150mm kusa da ƙugiya.Bugu da ƙari, ya kamata a lura cewa A3 tsohuwar lamba ce, kuma yanzu ya dace da Q235A.A3 karfe, wanda shine sunan da ya gabata.Kodayake har yanzu ana amfani da shi, an iyakance shi ga yaren magana.Zai fi kyau kada a yi amfani da shi a cikin takardun da aka rubuta.Karfe A Class A ne.Mai ƙera irin wannan ƙarfe yana ba da garantin aikin injin kawai amma ba tsarin sinadarai ba lokacin barin masana'anta, Saboda haka, abubuwan ƙazanta kamar S da P na iya zama ɗan ƙara kaɗan, kuma abun cikin carbon yana kusan 0.2%, kusan daidai da No. 20 karfe, wanda yake daidai da Q235 a cikin sabon misali.A3 da A3F sune tsoffin sunayen Q235-A, Q235-A.F A3 karfe da Q235, Q345 su ne maki na carbon tsarin karfe.A3 shine ma'aunin ƙarfe a cikin tsohon ma'auni, amma ma'auni na yanzu (GB221-79) ba shi da irin wannan darajar.
A cikin ma'auni na yanzu, A3 yana cikin Q235.Q235 yana wakiltar ƙarfin yawan amfanin wannan karfe shine 235MPa.Hakazalika, 345 a cikin Q345 za a iya raba shi zuwa nau'i-nau'i da yawa, ciki har da: A - don tabbatar da kayan aikin injiniya, B - don tabbatar da kaddarorin inji da kaddarorin lankwasa sanyi, C - don tabbatar da abun da ke tattare da sinadaran ... A cikin tsohuwar ma'auni, ma'anar A. , B, C bai bambanta da wancan ba a cikin sabon ma'auni (Na kiyasta wannan shine lamarin), da 1, 2, 3...... Ana amfani da su don nuna ƙarfi.1 yana tsaye don ƙarfin amfanin 195MPa, 2 yana tsaye don ƙarfin 215MPa, kuma 3 yana tsaye ga ƙarfin 235MPa.Don haka A3 yayi daidai da Q235A a cikin sabuwar alama.Bayan haka, an riga an yi amfani da A3, mutane da yawa sun saba amfani da shi, kamar yadda wasu suka saba amfani da raka'a na "jin, liang".Q235 karfe ne na tsarin carbon.Idan aka kwatanta da tsohon misali GB700-79 maki, A3 da C3 Q345 ne low gami tsarin karfe.Idan aka kwatanta da tsohon misali 1591-88 maki, akwai da yawa kaddarorin da aikace-aikace na 12MnV, 16Mn 16MnRE, 18Nb da 14MnNb Q345 - shaft da weldment da kyau m inji Properties, low zazzabi Properties, mai kyau plasticity da weldability.Ana amfani da su azaman tsarin ɗaukar nauyi mai ƙarfi, sassa na injiniya, tsarin gini, da tsarin ƙarfe na gabaɗaya na matsakaici da ƙananan tasoshin ruwa, tankunan mai, motoci, cranes, injin ma'adinai, tsire-tsire masu ƙarfi, gadoji, da sauransu, kuma ana iya amfani da su cikin zafi mai zafi. mirgina ko daidaita yanayin.Ana iya amfani da su don sassa daban-daban a cikin yankunan sanyi da ke ƙasa - 40 ℃.
Lokacin aikawa: Satumba-23-2022