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nkhani

Kufalitsa chikondi

Pambuyo pogaya koyambirira kwa zopangirazo, zopangira zikadali ndi mpweya wambiri, ndipo mawonekedwe a keke yamatope omwe amapezeka kudzera pa makina osindikizira siwofanana.Ngati keke yamatope yokhala ndi mawonekedwe osagwirizana imagwiritsidwa ntchito mwachindunji popanga, imayambitsa kuchepa kwa thupi lobiriwira panthawi yowumitsa ndi kuwombera, zomwe zimapangitsa kuti pakhale ming'alu ndi ming'alu.Pambuyo pakuphunzitsidwa movutikira, kuchuluka kwa vacuum kwa gawo lamatope nthawi zambiri kumafunika kufikira pakati pa 0.095-0.1.Ubwino wina wa keke yamatope ndi yakuti keke yamatope imapangidwa kukhala gawo lina la matope, lomwe ndi losavuta kuyendamo ndi kusunga.Zimaperekanso mwayi wopanga zotsatila.

ceramic

Kuika gawo lamatope lokhaloka pamalo enaake a kutentha ndi chinyezi kwa kanthawi, njirayi imatchedwa staleness.Ntchito zazikuluzikulu za staleness ndi: kupanga madzi mumatope kuti azigawidwa mofanana kudzera mu zochita za capillary;kuonjezera zomwe zili mu humic acid, kupititsa patsogolo kukhuthala kwamatope, ndikuwongolera magwiridwe antchito;makutidwe ndi okosijeni ndi kuchepetsa zimachitika kuti matope asungunuke komanso ofananira.Pambuyo pa ukalamba, mphamvu ya thupi lobiriwira imatha kusinthidwa ndipo mwayi wa deformation pa kuwombera ukhoza kuchepetsedwa.Nthawi zambiri zimatenga masiku 5-7 kuti zitheke, ndipo masiku atatu osala kudya.Pambuyo pa ukalamba wautali, mankhwalawo sakhala opunduka mosavuta chifukwa cha chinyezi chosagwirizana ndi thovu la mpweya, zomwe zimatsimikizira bwino khalidwe la mankhwala.

ceramic rolling


Nthawi yotumiza: Apr-26-2021