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The undercut or notch cut is the guiding or aiming slot for the tree and is a V-shaped notch placed on the side of the tree in the direction of intended fall. [4] The back cut or felling cut is made on the opposite side of the tree of the undercut and is cut through the base of the tree severing the “hinge” holding the tree up. [4]
A good rule of thumb for all felling scenarios is to make the depth of the face cut or undercut, which is your directional angles notch face the way you want the tree to fall, roughly equal to 1/3 the diameter of the tree. [5] Additionally, one should leave about 10% for your holding wood or hinge wood to direct the tree on its way to the ...
When a suitable place to buck the tree is located the cut is made. Significant value may be lost by sub-optimal bucking. [5] Local market conditions will determine the particular length of cut. It is common for log buyers to issue purchase orders for the length, diameter, grade, and species that they will accept.
Tree harvester (Click for video) 6-wheeled Valmet harvester Small 4-wheeled Rottne harvester Timberjack harvester John Deere harvester in SwedenA harvester is a type of heavy forestry vehicle employed in cut-to-length logging operations for felling, delimbing and bucking trees.
Felling axe: Cuts across the grain of wood, as in the felling of trees; in single or double bit (the bit is the cutting edge of the head) forms and many different weights, shapes, handle types and cutting geometries to match the characteristics of the material being cut.
Pollarding tends to make trees live longer by maintaining them in a partially juvenile state and by reducing the weight and windage of the top part of the tree. [6] Older pollards often become hollow, so it can be difficult to determine age accurately. Pollards tend to grow slowly, with denser growth-rings in the years immediately after cutting.
Girdling is a slow process compared to felling and is often used only when necessary, such as in the removal of an individual tree from an ecologically protected area without damaging surrounding growth. [citation needed] Accidental girdling is also possible and some activities must be performed with care.
The boom of a cut-to-length harvester with attached chainsaw cutting Pinus sylvestris in Finland. Felling – process of cutting down a tree; Bucking – splitting of a felled and delimbed trees into logs; Scaling – measurement of felled trees to determine the volume of merchantable wood
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