what the defects of timber
While seasoning, timber can warp, making it unuseful.
what is ariticial defects
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There are many issues that can effect the quality of wood & timber. Defects usually mean that a quality piece of timber can be sold at a discounted price.
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CuppingBowSpring
The only man-made defects in timber are what wasn't cut properly or a particular board that was warped wasn't caught out of thousands of other boards that are cut, sorted and stacked in the sawmill.
Well, hello there, friend! Natural defects in timber, like knots and cracks, are caused by the tree's growth and environment, adding character and uniqueness to the wood. On the other hand, artificial defects, such as holes or saw cuts, are made by humans during processing or crafting the timber. Both types of defects can be embraced and incorporated into woodworking projects to create something truly special and one-of-a-kind. Just remember, there are no mistakes in woodworking, only happy little accidents!
Strength graded timber used in construction of houses that can withstand greater pressures. Usually it has less or smaller knots (spruce), less cracks and other defects.
Timber can have various blemishes or defects, including shake, checking, wane, and splits. Most are accounted for in normal engineering reviews, but sometimes if the defect is large, it can cause a structural problem.
The main defects caused in timber are:Defects due to CONVERSIONDefects due to FUNGIDefects due to INSECTSDefects due to NATURAL FORCESDefects due to SEASONINGDefects due to CONVERSION :During the process of converting timber in to commercial form defects may occur: chip markdiagonal graintorn grainwaneDefects due to FUNGI:Blue strainedbrown rotdry rotheart rotwet rotwhite rotsap strainedDefects due to INSECTS :Beetlesmarine borerstermitesDefects due to NATURAL FORCES :These are casued basically due to abnormal growth and rapture of tissues : Burlscalluschemical staincoarse graindead wooddruxinessfoxiness ( Having reddish brown color)knotsrind galls cup shakesheart shakesring shakesstar shakesradial shakesSHAKESfibersupsetswater strainswind cracksDefects due to SEASONING :bowcase harderingcheckcollapsecuphoney combiningradial shakessplittwistwarp