Gilashin Fasaha

narkakkar gilashin

Kafin busa, gilashin yana dumama a cikin tanderu zuwa kusan digiri 2,000, yana mai da shi mai lalacewa. Ana ci gaba da aikin ta hanyar shigar da bututun a cikin tanderun da kuma jujjuya shi a cikin narkakken gilashin har sai da isasshen taro, wanda aka sani da 'gob,' yana manne da tip.

mamaki

Mataki na gaba ya ƙunshiban mamaki: mirgina narkakkar gilashin akan tulun karfen da aka fi sani da amamaki. Wannan kayan aiki yana da mahimmanci don tsara gilashin da daidaita yanayin yanayinsa. Daga baya, yanki yana canzawa tsakanin marver dadaukaka rami— dakin sake dumama da aka ƙera don dawo da rashin lafiyar gilashin

Ƙara launi

Don ba da launi da ƙira, gilashin narkakkar yana tsoma a cikifrit(glassed mai launi). Zafin zafi yana haifar da frit don haɗuwa nan take zuwa babban jiki. Da zarar an ɗaure, ana mayar da yanki zuwa gamamakidon wani zagaye na mirgina don haɗa launi da kuma tsaftace siffar.

Busa gilashin

Don cimma nau'i na ƙarshe da girma, ana shigar da iska ta bututun busa, yana hura narkakken gilashin cikin kumfa. Don wannan mataki mai mahimmanci, busa busa yana kan karfekarkiya(ko tsayawa) don tabbatar da kwanciyar hankali. Mai sana'ar sai ya busa a hankali a cikin bututun yayin da yake jujjuya shi a lokaci guda don kiyaye daidaito. A cikin wannan lokaci, dole ne a mayar da gilashi akai-akai zuwa gadaukaka ramidon sake yin zafi, kamar yadda tsarin fadada ya haifar da asarar zafi mai sauri.

Cire gilashin da sanyaya gilashin

Matakin kafa na ƙarshe ya ƙunshi cire gilashin daga bututun. Yin amfani da nau'i-nau'i na karfe da aka sani dajacks, mai sana'a ya lissafta wuyan jirgin yayin da yake juya bututu. Wannan yana haifar da layin damuwa wanda ke ba da damar yanki ya rabu da tsabta tare da famfo guda ɗaya, mai kaifi.

Nan da nan bayan, an canja wurin da aka gama zuwa waniannealing tanda(ko lehr) ta amfani da safofin hannu masu zafi. Anan, gilashin yana ɗaukar tsarin sanyaya mai sarrafawa a cikin sa'o'i da yawa. Wannan mataki yana da mahimmanci, saboda gilashin yana da yawamai saukin kamuwazuwa girgizar zafi kuma da alama zai iya rugujewa idan an fallasa shi ga saurin canjin yanayin zafi.