labarai

Kalma na gabaɗaya don kayan ƙarfe tare da juriya mai ƙarfi, ƙarfe mai jure lalacewa shine mafi yawan amfani da nau'in kayan jure lalacewa a yau.

Rabewa

Akwai nau'ikan nau'ikan nau'ikan lalacewa da yawa, waɗanda za'a iya karkasu kusan zuwa babban ƙarfe na manganese, matsakaici da ƙarancin gami da ƙarancin ƙarfe, ƙarfe-molybdenum-silicon-manganese karfe, ƙarfe mai jure cavitation, ƙarfe mai jurewa da lalacewa ta musamman. - resistant karfe.Hakanan ana amfani da wasu karafa na gabaɗaya irin su bakin karfe, ƙarfe mai ɗaukar nauyi, ƙarfe kayan aiki na gami da tsarin ƙarfe na alloy azaman ƙarfe mai jure lalacewa ƙarƙashin takamaiman yanayi.Saboda ingantaccen tushen su da kyakkyawan aiki, ana kuma amfani da su wajen yin amfani da ƙarfe mara ƙarfi.wani kaso na musamman.

sinadaran abun da ke ciki

Matsakaici da ƙananan karafa masu jure lalacewa yawanci suna ɗauke da sinadarai irin su silicon, manganese, chromium, molybdenum, vanadium, tungsten, nickel, titanium, boron, jan ƙarfe, ƙasa da ba kasafai ba, da dai sauransu. Rubutun manyan injinan ƙwallon ƙafa masu yawa da matsakaici. a Amurka an yi su da chrome-molybdenum-silicon-manganese ko chrome-molybdenum karfe.Yawancin ƙwallayen niƙa a Amurka an yi su ne da matsakaici da babban ƙarfe na chrome molybdenum na carbon.Don kayan aikin da ke aiki a ƙarƙashin yanayin lalacewa a yanayin zafi mai girma (kamar 200 zuwa 500 ° C) ko kayan aikin da saman saman su ke ƙarƙashin yanayin zafi mai girma saboda zafi, gami da chrome-molybdenum-vanadium, chrome-molybdenum-vanadium-nickel ko chrome-molybdenum-vanadium-tungsten gami za a iya amfani da.Ƙarfe mai niƙa, bayan irin wannan nau'in karfe ya ƙare kuma ya yi zafi a matsakaici ko babban zafin jiki, akwai tasiri na biyu.

aikace-aikace

Karfe mai juriya ana amfani da shi sosai a injinan hakar ma'adinai, hakar kwal da sufuri, injinan gini, injinan noma, kayan gini, injinan lantarki, sufurin jirgin kasa da sauran sassan.Misali, ƙwallayen ƙarfe, faranti na injin ƙwallon ƙwallon ƙafa, haƙoran guga da buckets na tona, ganuwar turmi, faranti na haƙori da kawukan guduma daban-daban, takalman waƙa na tarakta da tankuna, faranti na injinan fanfo, layin dogo, cokali mai yatsa, tsakiya. tsagi-in-faranti, tsagi, madauwari sarƙoƙi ga scraper conveyors a cikin ma'adinan kwal, ruwan wukake da hakora ga bulldozers, linings ga manyan lantarki dabaran buckets, abin nadi mazugi ragowa ga perforating mai da opencast baƙin ƙarfe tama, da dai sauransu, da sama jerin yafi musamman. iyakance ga aikace-aikace na lalacewa-resistant karfe da aka hõre abrasive lalacewa, da kuma kowane irin workpieces tare da zumunta motsi a daban-daban inji zai samar da iri-iri na lalacewa, wanda zai inganta juriya na workpiece kayan.Abubuwan buƙatun niƙa ko amfani da ƙarfe mai jure lalacewa, misalan suna da yawa.Kafofin watsa labarai na niƙa (ƙwallaye, sanduna da layi) da ake amfani da su a cikin ma'adinan tama da siminti ɓangarori ne da ake amfani da su na ƙarfe.A Amurka, yawancin ƙwallayen niƙa ana ƙirƙira su ne ko kuma jefa su da ƙarfe da ƙarfe na ƙarfe, wanda ke da kashi 97% na yawan amfani da ƙwallon ƙwallon.A Kanada, ƙwallayen ƙarfe suna lissafin kashi 81% na ƙwallan niƙa da ake cinyewa.Bisa kididdigar da aka yi a karshen shekarun 1980, kasar Sin na yawan amfani da kwallon nika a duk shekara ya kai tan miliyan 800 zuwa 1, kuma yawan abin da ake amfani da shi a duk shekara a fadin kasar ya kai ton 200,000, yawancin kayayyakin karafa ne.Tsakanin kwandon shara a ma'adanin kwal na kasar Sin yana cinye tan 60,000 zuwa 80,000 na farantin karfe a kowace shekara.