Ƙara juzu'i tsakanin abin nadi da ragowar sandar da kuma faɗaɗa kusurwar muƙamuƙi na iya sa ragowar ball toshe tare da diamita mai girma mai girma shiga da murkushewa.Saboda haka, walda flakes tare da nisa na 30 mm da tsawo na 10 mm suna tara sama a tazara na 100 mm a saman nadi haske.Bayan ragowar taro ya shiga ɗakin murƙushewa, an yanka shi a ƙarƙashin aikin haƙori, kuma an ƙara kusurwar muƙamuƙi, kuma ana iya samun matsakaicin hatsi.Diamita (6070mm) yana da girman gaske kuma ragowar sandar ta karye.
Ana yin saman abin nadi na walda ta hanyar walda ta hannun baka, kuma saman abin nadi mai nadi biyu yana sama.Babban abubuwan da ake amfani da su na surfacing sune kamar haka.
(1) D-65, D-667 da 506 sandunan walda an zaɓi.Kafin walda, bisa ga umarnin walda, sandunan walda an bushe su kuma sanya su a cikin incubator don amfani.
(2) Tsaftace layin gajiya na saman abin nadi, tsaftace shi tare da gogaggun carbon arc, da tsara layin gajiyar saman abin nadi don fallasa abin nadi zuwa saman abin nadi.
(3) Yi amfani da injin walda na DC, wanda dole ne a juya shi (sandan walda yana da alaƙa da ingantaccen lantarki).A lokacin da ake surfacing, AC waldi inji na bukatar wani-load irin ƙarfin lantarki na 70V, da kuma halin yanzu ana sarrafa a kusan 200A.Idan wutar lantarki ba ta da ƙasa da 70V, ya kamata a ƙara ƙarfin halin yanzu, wanda ya dogara ne akan cikakken haɗin lantarki da ƙarfe na tushe.Matsakaicin nisa na bead ɗin walda zuwa tsayi ya fi dacewa 31.
(4) Bayan preheating da yi surface, da farko amfani da 506 electrode (alkali electrode, dace da waldi 16M abu, cheap, kuma da kyau bonded tare da tushe karfe) to weld 13 yadudduka na carbon karfe, da kuma zagaye yi.Sa'an nan a ko'ina weld da yawa yadudduka na D-667 (high-chromium jefa baƙin ƙarfe surfacing sanda iya jure high tasiri da kuma sa juriya, taurin HRC48 bayan waldi, mai kyau lalacewa juriya, lalata juriya da cavitation juriya kasa 500 high zafin jiki) Ya kamata a kauri.Bayan D-667 weld Layer yana surfacing, Layer na D-65 (high-alloy surfacing sanda Cr-Si-Mo-B high-corrosion cast-iron wear-resistant surface wear-resistant electrode iya zama surfacing. Yana iya jurewa. Resistant to karfi abrasive lalacewa, da abũbuwan amfãni daga cikin wannan electrode ne mai kyau surfacing, babu slag bayan waldi, high lalacewa juriya.Wear Layer Danniya mai kauri iri ɗaya ne ta yadda matsin abin nadi ya kasance madauwari yayin amfani.
3 Kammalawa
Ta hanyar samar da yi, da talakawan barbashi size na saura electrode na crusher ne ya karu daga 40mm zuwa 60mm a lokacin da zane, wanda rage samar da kaya na sama kayan aiki, inganta adaptability ga nadi crusher, da kuma rayuwar sabis. abin nadi ya kai 10 A cikin wata, ragowar sandar da aka karye ya kai ton 50,000.