Saboda babban taurin da gaggautsa na wuya gami, ba sauki weld kamar sauran kayan.Zhuzhou Chuangrui Cemented Carbide Co., Ltd. ya tsara muku hanyoyin walda na simintin carbide, da fatan zai iya taimaka muku.
Saboda babban bambanci a cikin ayyukan jiki tsakanin tungsten carbide da carbon karfe, brazing da tarwatsa walda har yanzu suna da yuwuwar hanyoyin walda masu amfani.Bugu da kari, wasu sabbin hanyoyin walda kamar tungsten electrode inert gas maintain arc welding (TIG), electron biam walding (EB-W), Laser walding (LBW), da dai sauransu ana tattaunawa sosai da bincike, wadanda za a iya amfani da su a cemented carbide waldi a nan gaba.
Brazing brazing hanya ce ta al'ada kuma ana amfani da ita sosai ta hanyar walƙiya ta siminti.A cikin hanyoyin brazing na siminti carbide da karfe, bisa ga hanyar dumama, akwai iskar gas brazing, tanderu brazing, vacuum brazing, induction brazing, juriya brazing da Laser brazing basira.Ko ta yaya, wurin narkewar ƙarfe na brazing ya fi ƙasa da na tushe kuma an rarraba shi a cikin haɗin gwiwa ta hanyar jan hankali.Kayayyakin da aka haɗa sun haɗa da ɗigon rijiyar mai, zafi da sanyi stamping mutu, foda karfen ƙarfe, rolls, yankan kayan aikin da kayan aunawa, kayan hako dutse, kayan aikin itace, da sauransu.
Brazing karfe shine kayan filler da ake amfani dashi a cikin brazing, wanda ke taka muhimmiyar rawa a cikin aikin haɗin gwiwa.Ayyukan solder yana ɗaya daga cikin mahimman abubuwan da ke ƙayyade ingancin brazing.
Kayan aikin wuta na wuta na gas yana da sauƙi, ana iya yin zafi da walƙiya tare da harshen wuta da yawa bisa ga siffar aikin.Karfe na brazing galibi ana yin shi da filamentous ko flake na jan ƙarfe da ƙarfe na ƙarfe na brazing filler na azurfa, wanda ya dace da yanki ɗaya da ƙaramin tsari, amma zaɓin fitilar walda gas da maganin zafi bayan brazing da sauran abubuwan da ba su da tabbas sun fi yawa. , kuma inganci da amincin brazing ƙananan ne.
Yawan amfanin gona na tungsten carbide cutters don induction brazing, juriya brazing da brazing a cikin tanderun yana da girma, kuma ingancin yana da inganci, amma kayan aiki da ƙwarewa sun fi ɓarna, ana buƙatar sikelin da siffar aikin aikin ya zama mafi girma, kuma Vacuum brazing na iya cimma babban ingancin brazing, amma kayan aiki suna da tsada kuma ƙwarewar suna da wahala
A matsayin sabon nau'in walda zafi tushen, Laser yana da halaye na sauri dumama gudun, kunkuntar zafi shafi yankin, post-welding nakasawa da kuma kananan saura danniya, musamman a raunana da embrittlement na hadin gwiwa Fusion zone, wanda yana da na kowa abũbuwan amfãni, wanda ya sa. kuma ana amfani da shi wajen walda na siminti carbide.Sabili da haka, lokacin zabar hanyar walda, yakamata ya zama yafi dacewa, kuma yawanci brazing a cikin tanderun na iya gamsar da buƙatar brazing kayan aiki.
(1) Watsewar walda
Vacuum watsawa waldi da HIP watsa waldi za a iya amfani da waldi na cimented carbide.A cikin walƙiya watsawa, akwai abubuwa da yawa waɗanda ke shafar ingancin haɗin gwiwa, kamar abubuwan da ke cikin kayan, ingancin welded, digiri na injin, bayanan sanwicin cibiyar, da dumama da sanyaya. amma mafi mahimmancin abubuwan shine zafin jiki, matsa lamba da lokaci.Ƙarfin walda yakan inganta tare da ƙarin lokacin walda, saboda tsawaita lokacin walda zai iya sa yawancin ƙananan bumps a kan welded surface sun ɓace, wurin taɓawa a fili yana ƙara, watsawar kwayoyin halitta ya fi yawa. mai yawa, kuma ana iya inganta ƙimar walda sosai
(2) Tungsten inert gas tabbatarwa baka waldi
walda TIG, a matsayin sabuwar hanyar haɗa siminti carbide da ƙarfe, har yanzu yana cikin lokacin gwaji.
(3)Electron katako walda
Electron katako walda yana da abũbuwan amfãni daga high dumama ikon yawa, kananan nakasawa bayan waldi, babban weld zurfin-nisa rabo, da kuma fadi da sikelin daidaitawa daidaitattun sigogi, kuma saboda walda zafi tsari ne musamman takaice, shi zai iya zama sabuwar hanya don waldi. siminti carbide ta hanyar sarrafa tarwatsa abubuwa zuwa wani matsayi.
Lokacin aikawa: Janairu-25-2024