搜索结果: 1-13 共查到“skidder”相关记录13条 . 查询时间(0.062 秒)
Effects of rubber-tired skidder and farm tractor on physical properties of soil in plantation areas in the north of Iran
aspen skid trail skidding machine soil disturbance timber skidding
2015/9/15
Physical properties of soil can be affected by machines that are used for skidding which have the potential to impact soil sustainability and forest productivity. The present study evaluated the effec...
Evaluation of full tree skidding by HSM-904 skidder in patch cutting of aspen plantation in Northern Iran
time consumption HSM-904 skidder skidding cost
2015/4/14
This paper presents research results of the performance of HSM-904 grapple skidder using a full tree harvesting method in a non-native aspen Populus deltoides plantation in even terrain conditions in ...
Effect of log length on productivity and cost of Timberjack 450C skidder in the Hyrcanian forest in Iran
Hyrcanian forest skidding Timberjack 450C short-log method long-log method
2015/4/14
This paper presents research results on the performance of the Timberjack 450C skidder in timber skidding at two working sites of broadleaved trees in mountainous conditions in the Hyrcanian forest. T...
Energy consumption of chipper coupled to a universal wheel skidder in the process of chipping wood
chip chipper chipping energy consumption power of cutting
2015/3/27
The chipper for chips is an energy consuming machine. Many factors influence the result of chipping which influence the whole process. The paper deals with the process of wood chipping by a chipper in...
Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest
crawler tractor forest floor removal ground based skidding hardwood forest of Iran soil compaction
2015/3/19
In this study, the effects of slope and traffic intensity on soil compaction, rutting and forest floor removal was evaluated on a skid trail in the natural forest of north of Iran. Combination of two ...
Rutting and soil displacement caused by 450C Timber Jack wheeled skidder (Asalem forest northern Iran)
soil displacement rutting skid trail
2015/3/16
The use of skidding machinery in logging operations causes destructive effects especially on soil but has many advantages such as extracting long and heavy logs, optimum use of useful logging time and...
Time study and skidding capacity of the wheeled skidder Timberjack 450C in Caspian forests
wheeled skidder Timberjack 450C working efficiency init cost skidding
2015/3/12
This study was carried out in a steep and difficult terrain. Trees were logged downhill to the landing by a wheeled skidder Timberjack 450C. Selection cutting was performed on a 66-hectare tract with ...
Soil compaction caused by 450C Timber Jack wheeled skidder (Shefarood forest, northern Iran)
soil compaction forest soil wheeled skidder
2015/3/6
In forest harvesting operations usually after using skidding machinery (skidders), traces of soil damage in the form of soil compaction and wheel and logs ruts can be seen in the forest soil. Soil bul...
Impact of skidder and high-lead system logging on forest soils and advanced regeneration
high-lead system skidder forest soil
2015/1/29
The applied skidding technology strongly influences the impact of harvest on the ecosystem and success of natural regeneration. The impact of skidder SLKT 81 and high-lead system Larix 3T on forest so...
Optimisation of a clam bunk skidder from the emission production point of view
mathematical model production system combustion engine ate of performance emission sulphur dioxide unburned hydrocarbons nitrogen oxides
2014/2/25
This article presents a proposal of a simple mathematical model for minimisation of the production of extraneous substances as a function of the rate of operation performance of a production system. T...
TECHNICAL PARAMETERS DYNAMICS OF WOODY 110 CABLE SKIDDER WITHIN THE RANGE OF STOPPING DUE TO OVERLOAD IN UPHILL WOOD SKIDDING
cable skidder slip torque speed uphill skidding
2009/11/27
The article deals with uphill wood skidding with WOODY 110 skidder and the changes taking place in technical parameters: slip, torque, tractive forces, and weight distribution of a loaded tractor in t...
Morphological characteristics and productivity of skidder ECOTRAC 120V
skidder ECOTRAC 120V morphological analysis timber skidding daily output unit cost
2009/2/7
This paper presents the results of morphological analysis of the Croatian skidder ECOTRAC 120V, as well as the research of its productivity features in timber skidding from hilly terrain after prepa...
Improvement of wheel skidder tractive performance by tire inflation pressure and tire chains
wheel skidder tire inflation pressure tire chains tractive performance motion resistance
2009/2/7
The motion resistance ratio, gross traction ratio and net traction ratio of a wheel cable skidder were determined and mathematical models derived for three tire inflation pressure values with or wit...