Technology and mechanization of logging. Textbook for SPO

The training manual discusses the application of the use of special wheel tractors of the 6 and 9 KN class with a hinge frame on the cuts and research of the layout of special wheel tractors. The theoretical foundations of the layout of forest wheel tractors with a hinge frame, developed by scientists of the department of designing special forest machines of the St. Petersburg Forestry Academy.
Technological processes and machines for obtaining planting material are set out, for carriage of care, to combat forest fires and for the production of reclamation and preparatory work. Materials on the use of a small-sized T-25AL tractor in forestry with various technological equipment are set out. The technique is set out and data is given for calculating the loading of the chassis and analysis of the distribution of loads on the leading bridges of tractors. Examples of study of forestry machine parameters using Excel programs, statistics 6, Russified version of the PLP-88 package and the MathCAD-14 system are given.
A textbook is intended for colleges and technical school students studying in the specialty Forest and Forest Park