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Many times when workers discuss tree felling notches, the conversation ends up being about what kind of notches are used and what they are called. Typically your hear about a common notch, a Humboldt notch, an open notch, and less frequently a v-notch, or swing notch. It is important to give techniques names because it helps identify one from another; however, it can also cause some problems. Mar 05, There are 3 main notch types that individuals can use during tree cutting.
The open-faced notch. The open-faced notch is perfect for trees that require a high level of accuracy. On the off chance that the individual is cutting in a tight spot, where accuracy is pertinent, the open-faced notch is considered the safest and secure notch to use. Mar 06, There are three types of notches commonly used in the logging industry by chainsaw operators in tree felling: 1.
Conventional notch (35 degrees plus or minus open) Advantages:Most commonly used and recognizedAlmost everyone 2. Humbolt Notch (45 degree open) Advantage (s)Allows the butt.
TREE FELLING TECHNIQUES MANUAL. BACK CUT TOO DEEP (INADEQUATE HINGE) BACK CUT TOO HIGH ABOVE THE NOTCH. BACK CUT BELOW THE NOTCH. SLOPING BACK CUT. ANGLE-BACK CUT WITH INADEQUATE NOTCH. Nov 30, Felling in another direction requires a special technique, more effort, and is sometimes just impossible.
In the following video, you can learn proper methods for creating different notches and techniques for maintaining a correct hinge so that you will fell a tree. The felling cut is slightly above level of the directional notch. + Tree types susceptible to splitting. + Intact butt log. + Low stump height in steep slopes.
– High stump height on flat ground. Again, our recommendation is to use the Open face notch, aiming with a top cut, since it is safe, easier and well-suited for most tree felling applications. There are different techniques that can be employed for tree felling.
All trees may not be able to be cut in the same direction. Different types of notches may need to be used. Determining how a tree should be cut may be a matter of professional experience. Nov 27, The concept of directional felling is based on creating a “hinge” of wood that guides the tree during the fall. The hinge is formed by the directional notch and the final felling cut.
The placement, angle and depth of the directional notch are critical to ensuring the desired direction of the fall.
If you are new to directional felling or simply want to refresh your skills, we recommend that you take a look at Understanding directional treegrind.barted Reading Time: 6 mins. Jul 19, Felling Style Well you just asked a question that is dangerous The way to fall a tree can very different from left coast to right coast and north to down south It will depend on species of timber,dead wood and or green wood.
Also the face cut depends on the end use of the tree,merch timber versus treegrind.bar like any one learning is a three step proceeds,study and then have some one show the basics of tree. Nov 30, Felling in another direction requires a special technique, more effort, and is sometimes just impossible. In the following video, you can learn proper methods for creating different notches and techniques for maintaining a correct hinge so that you will fell a tree.