Abstract
The following logging technologies are known today: logging in the form of trees, whips, assortments and wood chips. The most common are logging in the form of whips and assortments. When logging in the form of whips or trees, a skidder is used, which carries out transportation of felled whips or trees to a loading dock. Blockless skidding machines equipped with technological equipment in the form of a manipulator with a gripper and a conic clamping device are widely used in the Russian forest industry. In the process of moving trees into a conical clamping device, as well as in the process of skidding, interaction forces arise between the grip and the tree, which must be taken into account when designing technological equipment for skidding machines. Due to the large variety of trees, it is also necessary to take into account the mass and geometric characteristics of trees. The article publishes the methodology and results of the study of the influence of breed and category of trees on the geometric characteristics of the capture skidder.
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