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Deep understanding of vacuum kiln drying

Views: 232     Author: Wendy     Publish Time: 2023-08-22      Origin: Site


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Deep understanding of vacuum kiln drying

What is vacuum kiln drying?

Although vacuum kilns have been around since the 1970s, it took some time for them to be used for modern wood drying. The goal of a typical forced-heat kiln dryer is to heat the wood to a temperature where the moisture evaporates. In a typical kiln, the lumber dries as a result from the outside in. A forced process (drying too quickly) causes stress in the lumber, which leads to cracks, checks, warping, cupping, and twisting. Utilizing a vacuum kiln to dry your wood has many benefits, such as using less energy per board foot, producing straighter, flatter lumber, less stressed lumber, and lumber with greater color retention, such as ash, white oak, and maples when you want a "white" appearance.

In order to reduce the temperature at which water boils (evaporates), the vacuum dryer is used. Lower temperatures make wood more durable.  The drying process can be sped up while still protecting the wood by drying at a low temperature. Additionally, vacuum pressure draws water from the core to the shell, which is useful for thicker dimensions.

Kiln drying in woodworking: its benefits

Vacuum kiln drying will hasten the process while maintaining the caliber of the wood you select for the project, regardless of whether you're working on a project that requires turnings, carvings, inlays, custom furniture pieces, or any other wood project.  

Compared to conventional wood drying techniques, employing a vacuum kiln has many benefits. To name a few: In just one to three days, it may dry wood, which is the fastest method. It significantly lowers the possibility of drying flaws like checking and cracking. No of the weather, wood can be dried to any desired moisture content.

Wood will absorb or expel moisture when employed in construction, whether as structural support in a building or in woodworking things, until it is in equilibrium with its environment. Equilibration, which is typically drying, causes uneven shrinkage in the wood and might harm the wood if it happens too quickly. To keep the wood from being harmed, the equilibration needs to be under control.

Our product offerings will be expanded

Hardwood logs are categorized as "green" once they have been harvested. This is a reference to the amount of moisture that the wood itself now contains. Typically, more than 60% of "green" wood contains water.

The slabs can be put through a kiln drying process to produce dry, usable slabs.The wood is frequently transferred to a planer to be chopped into precise sizes in accordance with the appliances it will be used in once it has reached the ideal moisture levels of below 20%. Having this capability in-house will enable us to provide you with a wide range of wood alternatives!