搜索结果: 1-12 共查到“林业工程 cutting”相关记录12条 . 查询时间(0.09 秒)
THE INFLUENCE OF FRAGMENTED PRIVATE FOREST PROPERTY ON MECHANIZED CUTTING
mechanized cutting private forest efficiency
2009/11/26
The paper presents the results of research dealing with potential pooling of private forest property in Slovenia. The aim of pooling fragmented owner structure is to evaluate the potential introductio...
A COMPUTER MODEL FOR EVALUATION OF CUTTING VOLUMES REGARDING FUTURE FOREST STAND DEVELOPMENT
wood production planning ecological view target situation computer simulation
2009/11/26
A prediction of future development for different sizes of forest properties and time scales was made as well as a computer algorithm for the simulation of future forest stand development. With the aid...
Cutting Performance and Wear Characteristics of Chromium Nitride Coated Tools II.The chip forming ability of worn tools in edge-grain milling of spruce
CrN coated tool chip formation tool wear up-milling
2010/3/4
To establish the cutting performance and tool wear characteristics of a cemented carbide tool with clearance faces coated with CrN (UP), edge grain surfaces of spruce were milled with a 134 mm diamete...
Variations of Wood Properties in Forests of Seedlings and Cutting Cultivars of Hinoki（Chamaecyparis obtusa）
hinoki Nangohi cutting cultivars seedling wood property
2009/3/6
Intra-forest variations of wood properties (radial growth, basic density, green moisture content, heartwood color, tracheid length, dynamic Young's modulus and mechanical properties) and the differenc...
Effects of Initial Spacing on Growth and Wood Properties of Sugi（Cryptomeria japonica）Cutting Cultivars
Cryptomeria japonica, cutting cultivar, growth, wood property, initial spacing
2009/3/6
To determine the effect of initial spacing on growth and wood properties of sugi (Cryptomeria japonica D. Don) cutting cultivars, six cultivars (Iwao, Hinode, Yamaguchi, Yaichi, Shakain, Yabukuguri) w...
Determination of cutting forces in cutting wood materials
measuring stand wood agglomerated materials cutting circular saw blade
2009/2/25
The paper gives information on a part of research and educational orientation of the Department of Forest and Forest Products Technology, Mendel University of Agriculture and Forestry in Brno. The d...
Cut layer of a circular saw with radial run-out of cutting edges
wood cutting circular saw radial run-out
2009/2/25
This paper presents the influence of the radial run-out of circular saw blade teeth on changes of cut layer thickness for each blade and change of total cut layer thickness for the saw. Additionally...
Investigations of cutting power versus clearance of a circular saw blade over the workpiece and feed speed
circular saw power cutting clearance feed speed
2009/2/25
This paper presents the results of experimental measurement of cutting power in sawing spruce wood (soft wood) by circular saw as a function of clearance and feed speed. Two kinds of circular saw bl...
Influence of specific pressure on cutting power and wood removal by disc sander
sand disc specific pressure wood removal cutting power grit size grain direction
2009/2/25
This paper presents the testing results of experimental measurements of cutting power during sanding of natural and modified beech wood depending on the value of specific pressure of 0.66; 0.84; 1.0...
Effect of technological parameters and wood properties on cutting power in plane milling of juvenile poplar wood
poplar cutting power juvenile wood fast-growing trees
2009/2/25
This paper presents the results of experimental measurements aimed at observing the effect of technological parameters (cutting speed vc and feed speed vf ), type of wood (juvenile wood and mature w...
Influence of working conditions on overlapping of cutting and ground skidding in group work
group work cutting skidding working conditions multivariate analysis
2009/2/7
This research deals with the influence of working conditions on the duration of cutters participation in group work skidding. Two main theoretical assumptions were considered. First, working condition...
Optimization of Veneer Cutting of Sugi I.Fundamental investigation of minimum chip thickness
veneer cutting cutting force burnishing force sugi chip thickness
2010/3/4
Using a test tool with sharp cutting edge, tool angle 30° and clearance angle 0°, the effect of the undeformed chip thickness on the cutting performance in modeled veneer cutting of sugi was investiga...