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The saw chain, or cutting chain, is a key component of a chainsaw. It consists of steel links held together by rivets , and superficially resembles the bicycle -style roller chain , although it is closer in design to a leaf chain.
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.
Learn how to use a chainsaw properly so you can make easier and safer work of using this handy power tool.
A chainsaw cutting a small wooden board. A chainsaw (or chain saw [1]) is a portable handheld power saw that cuts with a set of teeth attached to a rotating chain driven along a guide bar.
The length of the bar decides the maximum width of the plank that can be cut, up to 34 inches (86 cm), so for logs with a large diameter, the longer bar is necessary. Also, to waste less wood due to the kerf width, a special chain is designed to make rip cuts rather than the usual chainsaw chain which is for cross-cutting. [6]
The chain has to be properly matched to the guide bar and the saw. Chainsaw manufacturers specify a selection of suitable chains for each model of saw. Best safety requires that the chain is properly sharpened. One key sharpening parameter is the depth gauge setting. The depth gauge is the small steel protuberance in front of each cutting tooth.
In Stihl Timbersports, the hot saw event sees competitors race to cut three cookies from a horizontal log. The first cut is going down, the second back up. The athletes have to be very strong and skilled, with chainsaws having a chain speed of 240 km/h, a weight of 27 kg, and engines typically having between 62 and 100 horsepower.
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