Ukuhlaziywa kokubuthuntu kombala

Ubuso obucwebezelayo bezinto ezibunjwe ngokomjovo bunqunywa ikakhulukazi uhlobo luphethiloli, umbala, kanye nokuthambisa kobuso besikhunta. Kodwa-ke, amaphutha njengemibala engaphelele yobuso nokucwebezela, kanye nobuso obumnyama, avame ukuvela ngenxa yezinye izinto eziningi. Izimbangela nezixazululo zalokhu kuhlaziywa kanje:

(1) Isikhunta sinokuqedwa kobuso obubuthakathaka, kune-rust ebusweni bomgodi, kanye nokungavunyelwa kahle kwesikhunta.

(2) Uhlelo lokungena lwesikhunta lunamaphutha. Kunconywa ukukhulisa usayizi we-cold well, ukwandisa i-runner, nokucubungula i-main runner, i-branch runners, kanye ne-sprues.

(3) Uma izinga lokushisa lempahla kanye nezinga lokushisa lesikhunta liphansi kakhulu, ukufudumala kwendawo nge-sprue kungasetshenziswa lapho kudingeka.

(4) Ukungabi khona kobumbano ngenxa yokucindezela okungaphansi kakhulu kokucubungula, isivinini esihamba kancane, isikhathi esinganele somjovo, kanye nokucindezela okunganele kwangemuva, okuholela ebusweni obumnyama.

(5) Amapulasitiki kufanele aqedele ukufakwa epulasitiki, kodwa kufanele kuqashwe ukuze kuvinjelwe ukubola kwezinto. Kufanele zishiswe ngokuqinile futhi zipholiswe ngokuphelele, ikakhulukazi lezo ezinezindonga ezijiyile.

(6) Ukuvimbela izinto ezibandayo ukuthi zingangeni engxenyeni eyenziwe ngayo, sebenzisa izinsimbi ezizivalayo noma wehlise izinga lokushisa le-nozzle lapho kudingeka.

(7) Ukusetshenziswa ngokweqile kwezinto ezisetshenziswe kabusha, ikhwalithi embi yepulasitiki noma umbala, ubukhona bamanzi noma okunye ukungcola, kanye nekhwalithi embi yokugcoba esetshenzisiwe.