Forgings tsaftacewashine tsarin cire lahani na samanƙirƙirata hanyar inji ko sinadarai. Domin inganta ingancin surface naƙirƙira, inganta yanayin yankeƙirƙirada kuma hana lahani na sararin samaniya daga girma, ana buƙatar tsaftace ɓoyayyen da ƙirƙira a kowane lokaci yayin ƙirƙirar ƙirƙira.

Don inganta yanayin ƙirar ƙirƙira, haɓaka yanayin yanke kayan ƙirƙira da hana lalacewar farfajiyar haɓakawa, ana buƙatar tsaftace ɓoyayyiya da ƙirƙira a kowane lokaci yayin ƙirar ƙirƙira. Yawancin jabun ƙarfe ana tsaftace su da goga na ƙarfe ko kayan aiki mai sauƙi kafin a ƙirƙira bayan dumama. Ana iya tsabtace Billet tare da girman yanki mai girma ta hanyar allurar ruwa mai ƙarfi. Ana iya cire fatar oxide a kan jabun sanyi ta hanyar tsinkewa ko fashewa. Ma'auni na oxide na gawa mara nauyi ya ragu, amma yakamata a tsince shi kafin da bayan ƙirƙira don nemowa da share lahani a cikin lokaci. Lalacewar saman billet ko ƙirƙira galibi fashe ne, folds, scratches da haɗawa. Wadannan lahani, idan ba a cire su a kan lokaci ba, za su haifar da mummunar tasiri a kan tsarin ƙirƙira na gaba, musamman akan aluminum, magnesium, titanium da kayan haɗin su. A lahani da aka fallasa bayan pickling da nonferrous gami forgings ana kullum tsabtace da fayiloli, scrapers, grinder ko pneumatic kayayyakin aiki, da dai sauransu. Ana tsabtace lahani na karfe forgings ta pickling, ayukan iska mai ƙarfi (harbi), harbi ayukan iska mai ƙarfi, abin nadi, vibration da sauran hanyoyin.

Acid tsaftacewa

Ana amfani da halayen sinadarai don cire ƙarfe oxide. Kanana da matsakaita na jabu yawanci ana saka su cikin kwandon a cikin batches kuma ana kammala su ta hanyoyi da yawa kamar cire mai, tsinkewa da lalata, kurkura da bushewa. Hanyar pickling yana da halaye na ingantaccen samarwa, sakamako mai kyau na tsaftacewa, babu nakasar ƙirƙira da siffar da ba ta da iyaka. A yayin da ake tsinkayar sinadarin sinadaran, babu makawa a samar da iskar gas mai illa ga jikin dan adam. Don haka, yakamata a sami na'urar shaye-shaye a cikin ɗaki. Pickling daban-daban karfe forgings ya zama bisa ga karfe kaddarorin zabi daban-daban acid da abun da ke ciki rabo, daidai pickling tsari (zazzabi, lokaci da kuma hanyar tsaftacewa) tsarin ya kamata a soma.

Yashi mai fashewa (harbi) da tsaftacewa mai fashewa

Yashi mai fashewa (harbin) wanda aka matsar da iska yana sa yashi ko karfen harbi ya motsa a cikin babban sauri (matsin aiki na fashewar yashi shine 0.2-0.3mpa, kuma matsa lamba na fashewar fashewar shine 0.5-0.6mpa), wanda aka fesa akan ƙirƙira saman don goge ma'aunin oxide. Harbin harbi ya dogara da ƙarfin centrifugal na mai jujjuyawa mai jujjuyawa a babban saurin (2000 ~ 30001r/min) don harba harbin karfe akanƙirƙira surfacedon kashe ma'aunin oxide. Yashi mai tsaftar iska mai tsafta, ƙarancin samarwa, farashi mai girma, ana amfani dashi don buƙatun fasaha na musamman da kayan ƙirƙira na musamman (kamar bakin ƙarfe, gami da titanium), amma dole ne a yi amfani da matakan fasahar kawar da ƙura masu inganci. Shot peening ne in mun gwada da tsabta, akwai kuma disadvantages na low samar yadda ya dace da kuma high cost, amma tsaftacewa ingancin ne mafi girma. Ana amfani da fashewar harbe-harbe sosai saboda yawan yadda ake samarwa da ƙarancin amfani.

Shot peening da harbi fashewa ba zai iya kawai cire oxide fata, amma kuma sa saman ƙirƙira aiki tukuru, wanda yake da amfani don inganta anti-gajiya ikon sassa. Domin ƙirƙira bayan quenching ko quenching da tempering jiyya, da aiki hardening sakamako ne mafi muhimmanci a lokacin da babban size karfe harbi da ake amfani da, da taurin za a iya ƙara da 30% ~ 40%, da taurare Layer kauri iya zama har zuwa 0.3 ~ 0.5. mm. A cikin samarwa, harbin karfe tare da kayan daban-daban da girman hatsi ya kamata a zaba bisa ga kayan aiki da buƙatun fasaha na ƙirƙira. Idan an tsaftace jabun ta hanyar fashewa (harbi) da fashewar fashewar, ana iya ɓoye fashewar saman da sauran lahani, wanda zai iya haifar da ɓacewar dubawa cikin sauƙi. Don haka, ana buƙatar hanyoyin kamar duban maganadisu ko gwajin kyalli (duba gwajin lahani na zahiri da sinadarai) don bincika lahani na saman jabun.

tumbling

A cikin ganga mai jujjuya, ana bumps ko ƙasa don cire oxide fata da burrs daga aikin. Wannan hanyar tsaftacewa tana amfani da kayan aiki mai sauƙi da dacewa, amma yana da hayaniya. Ya dace da ƙanana da matsakaitan ƙirƙira waɗanda zasu iya ɗaukar wasu tasiri amma ba su da sauƙi. Nadi mai tsabta ba tare da abrasives ba, kawai tare da tubalan ƙarfe na triangular ko ƙwallan ƙarfe tare da diamita na 10 ~ 30mm ba tare da abrasives ba, galibi ta hanyar tasirin juna don tsaftace ma'aunin oxide. Ɗayan kuma shine ƙara abubuwan da ba su da kyau kamar yashi quartz, gunkin niƙa, sodium carbonate, ruwan sabulu da sauran abubuwan da suka dace, musamman ta hanyar nika don tsaftacewa.

Tsabtace girgiza

Ana gauraya wani yanki na abrasives da ƙari a cikin kayan ƙirƙira kuma a sanya shi a cikin akwati mai girgiza. Ta hanyar girgizar akwati, kayan aiki da abrasive suna ƙasa tare, kuma fatar oxide da burrs a saman ƙirƙira suna ƙasa. Wannan hanyar tsaftacewa ta dace don tsaftacewa da gogewa ƙanana da matsakaici daidaitattun ƙirƙira.