Gilashin yumbura kowannensu yana da zafin jiki na zazzabi da ya kamata a kora su. Idan ana kashe giraguwa a lokacin da zazzabi mai zafi, gilashin bazai girma ba. Idan zafin jiki ya yi tsawo, gishiri zai zama mai narke kuma ya gudu daga farfajiya. Don samun nasara, mai tukwane dole ne ya san ragowar zafin jiki na gilashi wanda suke girma.
Lokacin da masu tukwane sukayi magana game da yadudduka yumbura, yawanci suna magana ne game da uku mafi yawa: ƙananan wuta, tsakiyar zangon, da kuma manyan wuta. Game da giraguwa, muna bukatar mu ƙara wasu jeri guda biyu: ƙananan wuta, da ƙananan tsaka-tsalle.
01 na 05
Low Low-Wuta
Caiaimage / Rafal Rodzoch / Getty Images - daga mazugi 022 (kimanin 1112 uwaF - 605⁰C)
- don zana 013 (kimanin 1566 girke - 850⁰C)
Ana amfani da wannan kewayawa don luster glazes da ƙananan-firing-overplazes. Wajibi dole ne a kori aƙalla sau ɗaya a mafi yawan zafin jiki na farko, domin awanya ya yi girma. Abokan da yawa ba sau da yawa ba ne kawai za ta shiga cikin bishewa ba , amma har ma da yawan zazzabi da zazzabi. An yi amfani da ƙuƙwalwar ƙuƙwalwar ƙananan ƙananan wuta kuma an yi amfani da ƙuƙwalwa a fitilar farko. An mayar da kayan da aka mayar da su a cikin kiln don ƙananan zafin jiki na zafin jiki domin ya fallasa su.
02 na 05
Low-Wuta
- daga mazugi 012 (kimanin 1623⁰F - 882⁰C)
- don kwashe 02 (kimanin 2048 kgF - 1120⁰C)
Ƙungiyar wutar lantarki mai ƙananan wuta ta kasance tarihi mafi yawan amfani da fasaha. A baya, wannan yafi yawa ne saboda iyakancewar fasahar kiln. Duk da haka, yanayin zafi mai ƙananan wuta ya ba da damar masu tukwane suyi amfani da nau'i masu launin iri daban-daban wanda ko dai ƙone ko zama maras tabbas a yanayin zafi mafi girma.
Ƙananan ƙananan kamfanoni na iya gabatar da wasu matsalolin, ciki har da
- jiki mai yumbu zai iya kasancewa mai laushi
- launuka masu launin ƙananan wuta zasu iya bayyana kamar matsanancin matsananciyar haske
- yawancin haɗari ko haruffa masu amfani da karfi zasu iya haifar da wata ƙaranci, rashin haske, kuma
- da yawa daga cikin kayan gargajiya na gargajiyar da ake amfani dashi a cikin wannan kewayawa suna da guba a cikin rawakan su.
03 na 05
Lower Mid-Range
- daga mazugi 01 (kimanin 2079⁰F - 1110⁰C)
- don ƙila 3 (kimanin 2134,99F - 1145 ° C)
Ƙarƙashin ƙananan tsakiyar yana daya daga cikin mafi yawan abin da aka saba kulawa, duk da haka watakila ɗaya daga cikin abubuwan da ke da ban sha'awa, daga cikin jeri. A cikin wannan kewayo, mafi yawan ƙwayar ƙasa da sauran ƙwayoyin wuta suna da cikakkiyar matsayi a mafi girma da kuma mafi tsayi. Bugu da kari, yawancin abubuwa masu launin da ke samuwa a yanayin yanayin zafi suna amfani da su a cikin yanayin zafi mai zurfi.
04 na 05
Mid-Range
- daga mazugi 4 (kimanin 2167 ƙF - 1165⁰C)
- ya yi nisa 7 (kimanin 2264 - F - 1210⁰C)
Ana amfani da wannan kewayawa da yawa kamar yadda masu tukwane suka fi damuwa game da makamashi da man fetur. Wani abu kuma shine kasancewar kayan lantarki wanda zai iya isa wannan zangon ba tare da rage ragowar kiln da kulln abubuwa 'lifespans' ba.
Wasu abũbuwan amfãni ga harbe-harbe a tsakiyar iyaka sun haɗa da
- iya daidaitawa da yin amfani da jikin kasusuwan dutse a wannan kewayon
- Hakanan, tsakiyar kungiyoyi masu yawa na dutse suna ƙaruwa da karuwar ɗayan
- Tsakanin tsalle-tsire masu tsalle-tsire kuma sun fi dacewa da waɗanda aka yi musu a yanayin zafi, kuma
- Har ila yau akwai harbin launi masu kyau.
05 na 05
Babban wuta
- daga mazugi 8 (kimanin 2305.99F - 1260⁰C)
- don ƙulla 14 (kimanin 2530.99F - 1390⁰C)
Wannan kewayawa ya haɗa da dutse da kuma porcelains. Glazes da kuma yumɓu jikin su ne mai dadi kuma m; duk da haka, iyakar launi tana iyakance. Saboda bambancin da ake haifarwa daga hadawan abu da iskar shaka da raguwa a kan launin ruwan sanyi, ƙananan launuka masu launin ruwan da ke da tasiri a wannan kewayan har yanzu suna iya samar da arziki, idan sun fi iyakancewa, palette.