نتایج جستجو برای: waste of timber cutting mills
تعداد نتایج: 21180876 فیلتر نتایج به سال:
The article provides an analysis of the use a calculated cutting area in Nurimanov forestry Republic Bashkortostan. In course work, dynamics number and areas allocated for timber harvesting, care were studied, comprehensive regulatory legal support organization Nurimanovsky district was carried out. purpose study to analyze types cleaning cutting, determine volume wood harvesting per year. resu...
This paper presents the modeling of Permanent Magnet Synchronous Motor and its application with Vector Control technique under different operating condition such shaping, cutting, grinding or shearing require constant torque, irrespective of speed. Other application in cranes and conveyors handling constant weight of material per unit time, in pumps, screw conveyors, compressors and ball mills,...
ZI E M E R, R. R. 1978. An apparatus to measure the crosscut shearing strength of roots. Can. J. For. Res. 8: 142-144. Loss of tree root strength after timber cutting is a principal mechanism leading to slope failure and landslides. Measurement of root shear strength changes can be useful in evaluating effects of logging on slope stability. The simple apparatus described measures shear strength...
Fractions of waste square timber and waste ordinary plywood were pyrolyzed in a pyrolysis plant equipped with a fluidized bed reactor and a dual char separation system. The maximum bio-oil yield of about 65 wt.% was obtained at reaction temperatures of 450-500 °C for both feed materials. For quantitative analysis of bio-oil, the relative response factor (RRF) of each component was calculated us...
Abstract Solid ceramic end mills for machining heat resistant super alloys (HRSA) have the potential to generate higher material removal rates, up one order of magnitude, with respect standard carbide tools. The operations in aerospace industry, where large removals are required obtain tiny and slender parts like turbine blades, is a cost-intensive task that can benefit adoption solid mills. Ho...
We present the development of a new underwater laser cutting process in which a water-jet has been used along with the laser beam to remove the molten material through kerf. The conventional underwater laser cutting usually utilizes a high pressure gas jet along with laser beam to create a dry condition in the cutting zone and also to eject out the molten material. This causes a lot of gas bubb...
Figure 2 (below): Example of LiDAR-derived digital canopy model (DCM) with plantations and old-growth forest plots. The CSU Geospatial Review is on the Web at www.calstate.edu/gis A lthough a comprehensive global agreement to limit carbon emissions did not emerge from the December 2009 U.N. Climate Change Conference (COP15) in Copenhagen, there was broad agreement on, and $3.5 billion of initia...
Optimization of cutting parameters important in precision machining in regards to efficiency and surface integrity of the machined part. Usually productivity and precision in machining is limited by the forces emanating from the cutting process. Due to the inherent varying nature of the workpiece in terms of geometry and material composition, the peak cutting forces vary from point to point dur...
In textile industry, marker planning is one of the main operations in the cutting fabric stage. Marker packing is usually used to maximize cloth exploitation and minimize its waste. In this research, a method is used based on new found meta-heuristic imperialist competitive algorithm (ICA) and Bottom-Left-Fill Algorithm (BLF) to achieve optimal marker packing. Function of the proposed method wa...
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