Clay esithandweni: ukulungiselela isixazululo

Masters ukwazi wokuba isithando somlilo kungenziwa kahle eyakhelwe kuphela kusuka isixazululo ubumba ivuthwa kahle. I enhle ingenye ukuthi ihlukile Ukwakheka kusukela ngodaka. Kufanele kube ukungaguquguquki elilungile kuya lapho iphele ufa. Ngaphezu kwalokho, ububanzi emalungeni phakathi kwezitini kufanele sifinyelele 3-4 mm, kusukela isixazululo kumele ibe wokwakha njengoba encane ngangokunokwenzeka, kodwa ngesikhathi esifanayo ke kumele ubophezele isitini kahle.

Inani isihlabathi ibalwa kuncike uhlobo amafutha has ubumba kuhhonela. abakhi abanolwazi uncamela ukulungiselela nenye ukulwa ngodaka, njengoba ubhekwa eliphezulu ezakhiweni zamatshe aqoshiwe. Yenza isixazululo lalithé: Ngo udaka wesikhamo esikhulu ofakwe, enyakaza futhi washiya cishe ngosuku. Phakathi nalesi sikhathi, amanzi sengezwe ke, uma kunesidingo. Potters abanolwazi uzokwazi ukucacisa izinga material uma uyithinta. Wabasaqalayo, sinikeza usizo ngezindlela ukuhlola ikhwalithi ikhambi.

Indlela yokuqala

Wayixova ingxenye obukhulu ubumba ngamanzi bese wenza ibhola kanye ikhekhe. I ububanzi ibhola kufanele kube 5 cm kanye ikhekhe -. A ukushuba hhayi ngaphezulu kuka-1 cm ekamelweni lokushisa, omisiwe kubo. Uma imikhiqizo akuzona imifantu, futhi bokuwa besuka endaweni ephakeme, abazi zephuke ngakho esithandweni ubumba has ezingeni evamile fat. Kungenjalo, engeza isihlabathi.

Indlela yesibili

Thatha 2 kg ngobumba batheleka esitsheni. Khona it is wathela amanzi futhi wabashukumisa Veselkov. Sand sengezwe, kuye ngokuthi indlela ubumba inamathela ikhaba sokhuni, nokuthi ingabe uyafisa yini yesisombululo, kepha umboza ngokuphelele. Lapho ikhaba sibhebhezela bahlale amahlule, isihlabathi wanezela, nobumba okwesikhathi esithandweni kubhekwa wokuqukethwe fat evamile. Ukwakheka Skinny ihlanganisa gwedla ungqimba elincanyana ukuthi kulula ukunquma.

Indlela yesithathu

Yenza batch cool ngobumba (0.5 kg) namanzi bese iphuma ibe ibhola. I ububanzi we ibhola kumele kube cishe 50 mm. Thatha izibhebhe ezimbili iyashelela futhi ibholo phakathi kwazo. Ngemva kwalokho, onomfutho ibhola, ngokucindezela induku phezulu. ubumba Sandy ngoba kuhhavini ngeke ukusekela ingcindezi - ibhola uwa ngaphandle. Uma kuyinto evamile, kufanele crack 1/3 ye kwamanzi, lapho kakhulu amafutha kakhulu - 1/2.

esithandweni nomkhombe

Uma ihlolwe izinga ikhambi kokuqukethwe amafutha, ukulungele ukusebenza. Gilazi ugcwele lemali oyifunayo isihlabathi ngokwenza ikhefu futhi uzilungiselele kusenesikhathi kuthululwe ubumba inhlama. Clay wokwakha esithandweni kumele kube spoonable. Isixazululo enyakaza ngaso sonke isikhathi. Lapho iminwe nomkhombe kumele uzizwe sasogwini.

chamotte

Chamotte ubumba kuhhonela is etholwe zokudubula okushisa aphezulu (1300-1500 ° C). Fireclay afterburning ukuthi ilahlekelwa ngokuphelele plasticity yayo, it esuswa wonke amanzi. Izinzuzo yomkhiqizo:

• ukufudumeza ukumelana;
• amandla;
• ukuqina;
• frost.

Kuyinto impahla esisemqoka zokugeza kanye sauna. Chamotte Ukunquma isitofu, iziko niches. ungakwazi ukuthenga lento ebizwa ngokuthi "kaolin" ezitolo DIY. Umkhiqizo powder buhlanjululwe ngamanzi kanye esetshenziswa ulandele iziyalezo ezikuyo. Isetshenziselwa kuhhonela imisebenzi, okuyinto asesabi ukushisa. Chamotte isetshenziselwa izixazululo usimende, amatshe aqinile futhi ambozwe. Chamotte isetshenziswa uma lenza isitsha sezimbali phansi, panel convex, izakhi ukuze amakholomu nokunye.

Ekulungiseleleni isixazululo, kukhona ubuqili nobumba. Manje ngoba sewuyazi ukuthi indlela ukupheka ke, ngenxa yalesi incike izinga esithandweni somlilo.