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Penekukan Kayu

Caranya dengan membuat garis celah menggunakan gerjaji khusus (backsaw) dengan jarak antar celah (groove) yang teratur dan tergantung kurva tekukan. Dengan posisi celah berada searah dengan tekukan atau berada di bagian dalam. Penekukan kayu merupakan suatu proses melunakkan kayu secara temporer dengan menggunakan aliran udara panas maupun aliran air kemudian kayu dapat dibentuk menjadi kurvatur, streamline melalui proses penekanan (high ...

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Furnace Equipment

Kiln furniture is a fixture furnace which serves to support the combustion process of ceramic objects. Kiln furniture is generally made of refractory material which is resistant to the effects of spalling that mechanical loading, hot and fused to withstand repeated usage. Material kiln furniture can consist of material Samot, mullite, cerdienite, mulcorite (mullite cordierite), high aluminum, aluminum porcelain, and ...

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Petunjuk Kesehatan Pembakaran Keramik

Tungku pembakaran akan aman jika kita mengikuti petunjuk dasar penggunaan. Keselamatan pada saat penggunaan tungku adalah hal paling utama, karena kita berhubungan dengan suhu sangat tinggi. Karena suhu tinggi, pembakaran keramik juga melepaskan material-material gas yang sebagian beracun. Kita perlu mempelajari terlebih dulu cara penggunaan agar semuanya aman. 1) Peralatan keselamatan Sekalipun tungku memiliki isolasi yang memadai, permukaan luarnya bisa ...

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Biological Factors Wood

Biological factors attack the wood for two things, ie wood as a food or as a residence. (1) Micro Organisms Fungi and bacteria, both also called micro-organisms and classified into four sections based on the nature of development in the wood and the shape of the damage. (2) Fungi Wood This fungus is the most important class of micro-organisms, because ...

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Most Important Stages Ceramics

There are four (4) main stages in making a ceramic object that is forming, drying, incineration, and pengglasiran. Among the four stages, stage pembakaranlah which is the most important stages, which makes the clay is called ceramic. A work of art of the beautiful clay ceramic products was not called as if it has not undergone a process of combustion. ...

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Reactions and Combustion Ceramics

Changes that occur in the burning of ceramic items will depend on the composition of the mixture of materials used for the ceramic body, the heating temperature and the conditions of combustion / burning atmosphere (oxidation, reduction and neutral). Overall burning the biscuits can be divided into four phases: a. Phase evaporation (water smoking): namely mechanical water discharge phases. To ...

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