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Rude Osolnik (1915–2001), was an American woodturner, author, and educator. He is considered an important figure within the American studio woodturning movement and in contemporary woodturning in the United States. [1] [2] He was the department head in the woodcraft industry program at Berea College for forty years. [3]
The process of reducing the moisture content of wood before working to prevent cracking, splitting, and other damage often caused by drying. shake 1. A crack or split in wood caused by damage or drying. 2. A split (as opposed to sawn) shingle. shim
The nature of wood defines woodturning techniques. The orientation of the wood grain, relative to the axis of the lathe, affects the tools and techniques used by the woodturner. In spindle turning, the grain runs lengthwise along the lathe bed, as if a log were mounted in the lathe.
Typical French craquelure in a portrait from c. 1750, larger and less regular patterns, with curving cracks. Painting systems are composed of complex layers with unique mechanical properties that depend on the type of drying oil or paint medium used and the presence of paint additives, such as organic solvents, surfactants, and plasticizers.
Air-drying timber stack. Wood drying (also seasoning lumber or wood seasoning) reduces the moisture content of wood before its use. When the drying is done in a kiln, the product is known as kiln-dried timber or lumber, whereas air drying is the more traditional method. There are two main reasons for drying wood: Woodworking
Moisture can also cause wooden lath to expand and contract, causing the plaster around it to crack. [5] Additionally, failure can also occur in the plaster keys. Over time, the keys can deteriorate and crack, weakening their ability to hold the plaster onto the lath. [12] The addition of hair in plaster helps to prevent this by adding strength.
The AAW Gallery of Wood Art. The AAW operates the AAW Gallery of Wood Art in Saint Paul's historic Landmark Center. The gallery features changing exhibits of art of all kinds made from wood, and there also is a gift shop. Admission is free to the gallery, which is open daily except Monday and Saturday.
In panels that are made up of multiple pieces of wood composing the larger surface area, the damage is most often visible where the pieces of wood are attached. [4] Temperatures should range between +/- 5% of 70 °F and the humidity between +/- 5% of 50% Relative Humidity. A Relative Humidity over 65% can lead to mold growth and dry rot. [5]