Last edited by Fenrigul
Monday, May 18, 2020 | History

2 edition of air seasoning and kiln drying of wood found in the catalog.

air seasoning and kiln drying of wood

Hiram Leroy Henderson

air seasoning and kiln drying of wood

by Hiram Leroy Henderson

  • 223 Want to read
  • 6 Currently reading

Published by J.B. Lyon Company in Albany, N.Y .
Written in English

    Subjects:
  • Lumber -- Drying.,
  • Kilns.

  • Edition Notes

    Other titlesKiln drying of wood.
    Statementby Hiram L. Henderson.
    The Physical Object
    Paginationxvi, 332 p. incl. illus., tables, diagrs., forms.
    Number of Pages332
    ID Numbers
    Open LibraryOL14255872M

    Air Drying Wood is said to have certain advantages over kiln-drying- With air-dried wood there are no internal tensions baked into the wood. Kiln dried wood can be more fragile and break off easily. It can chip easily especially when working with hand tools, spokeshave or powered knife. Guidelines for Air-Drying of Timber 1. 0 Introduction Trees contain considerable amount of water, often referred to as sap. When a tree is cut down and sawn into timber the wood immediately begins to .

    When a piece of wood is in balance with the moisture of the air around it, the wood is said to have reached equilibrium moisture content (EMC). Kiln-dried or air-dried, it’s all the same as far as absorbing moisture goes. Wood stored in a damp place gets wetter and bigger. Dry air makes wood . I have several black walnut trees in my yard. They are going to be cut down and I want to use the wood to make something. The trees are about 24" in diameter. I would like to know how to air dry this wood and what to expect as far as useable wood. I am planning to have it slabbed onsite. Also, I would like to turn some bowls from some of this wood.

      What is Kiln-Dried? Kiln drying lumber is also known as “controlled air drying,” which dries the lumber in a controlled atmosphere. Positives. This method allows wood to dry quicker and more even, which allows for immediate installation and immediate application of surface and end protectant (such as Ipe Oil™ or Ipe Seal™). Both air dried and kiln dried oak can be more expensive than green oak due to the processes involved in producing them. Due to the time invested in air drying, the .


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Air seasoning and kiln drying of wood by Hiram Leroy Henderson Download PDF EPUB FB2

Air Seasoning and Kiln Drying of Wood, The Hardcover – by Hiram L. Henderson (Author) out of 5 stars 1 rating5/5(1). The air seasoning and kiln drying of wood, [Hiram Leroy Henderson] on *FREE* shipping on qualifying offers.

About this Book Catalog Record Details. The air seasoning and kiln drying of wood, by Hiram L. Henderson. Henderson, Hiram Leroy, b. View full. Additional Physical Format: Online version: Henderson, Hiram Leroy, Air seasoning and kiln drying of wood.

Albany, N.Y., J.B. Lyon Co., Additional Physical Format: Online version: Henderson, Hiram Leroy, Air seasoning and kiln drying of wood.

Albany, N.Y., [©] (OCoLC) In seasoning most common seasoning methods are air seasoning and dry-kiln seasoning. In air seasoning, the boards are stacked and divided by narrow pieces of wood called stickers so that the air can circulate freely about each board.

The stack is slanted to facilitate drainage of rain. In timber air-drying, the amount of drying is very much governed by the relative humidity of the drying environment and will often vary within individual boards as well as within the stack itself. Solar Drying.

Solar seasoning offers a compromise between the low energy requirement of air drying and the speed of kiln drying. • Air seasoning is at the mercy of the elements. Correctly controlled the drying conditions produced and maintained in a kiln reduces losses of timber due to degradation (i.e.

drying “degrade” (defects) is reduced). BUT mistakes can be made very rapidly when kilning and can be very expensive. Wood Drying/ Seasoning The Equilibrium Moisture Content of Wood in Exterior Locations in the United States - NC State University; Wood Shrink/Swell estimator - A web-based program to estimate shrink/ swell in wood.

Can also be used on any mobile device. Excel Program for Modeling Lumber Dry Kiln Operations - a model for lumber dry kiln.

Many woodworkers prefer air-dried stock to the kiln-dried variety because they say it works easier and offers truer color. Then, there's the money savings. Air-drying your own stock can save you at least 50 percent over kiln-dried boards from your lumber retailer.

But, doing it yourself does require time, effort, know-how, and the room for. The principle of a drying schedule: here time is given on the horizontal axis and wood moisture content on the vertical axis. As shown above, at recommended wood moisture contents (and only when the species being dried can tolerate an increase in the rate of drying) the conditions within the kiln are changed (harshened) so that the moisture content of the timber continues to fall at an.

Seasoning of Timber or Drying of Wood 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. Seasoning is the process of removing the moisture content from wood to minimize structural problems when used. Everything we dry is just air dried and it take a very long time, a year per inch of wood thickness in most cases.

This time I wanted some faster results so I built a forced air ambient. partially dried lumber, board feet of kiln-dried lumber. • Products made from properly dried lumber will shrink very little or none at all while in service; products made from wet lumber often shrink substantially as the wood dries.

• Gluing, machining, and finishing are much easier to ac-complish with dry Size: 1MB. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Reasons for Seasoning. Air - natural circulation of air around & through timber stacks.

Time - months, sometimes years. - Kiln - forced drying of timber stacks in large containers called kilns - Time weeks. - Combination of Air & Kiln - combines advantages of both air and kiln. by Eric Meier. Allowing lumber to passively sit at a given humidity level in order to obtain a desired EMC (air-drying) may be the simplest and least expensive method of seasoning wood, but it is also the very slowest.

Drying times can vary significantly depending upon wood species, initial moisture level, lumber thickness, density, ambient conditions, and processing techniques. Kiln schedules are used to determine the temperature and relative humidity needed in the kiln to dry specific wood products at a satisfactory rate without causing objectionable drying defects.

A typical kiln schedule is a series of temperatures and relative humidities, which are applied at various stages of drying as can be seen in Table 1. To increase dimensional stability. Wood shrinks across the grain (not along the grain) when it dries. If wood is cut to size before it is seasoned, it will shrink during drying and thus be undersized in its final form.

To reduce or eliminate attack by decay or stain. Wood that is dried below 20 percent moisture content is not susceptible to decay or sap staining. Asif, in Sustainability of Construction Materials, Kiln seasoning. Kiln seasoning is an accelerated method of drying wood that was developed in the s.

In this method, rapid and controlled drying is achieved by enclosing the wood in a building called a kiln and circulating heated air through the piles of timber. Finally, drying increases the stiffness, hardness and strength of wood.

Most species of wood increase their strength characteristics by at least 50 percent during the process of drying to 15 percent moisture content. Air-drying and solar kiln drying are the most economical ways to remove much of the water from green lumber.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. METHODSMETHODS Seasoning aims at drying a set quantity of timber uniformly to the equilibrium moisture content required with a minimum of degrade in the shortest possible time.

There are many ways of seasoning or drying timber, but only two methods have been found satisfactory, principally for economic reasons. They are air drying and kiln drying.