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Space production forestry equipment

Space production forestry equipment

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Amazon Logging: Practice and Policy

The cut-to-length method is a modern, nature-friendly logging method. In the cut-to-length method, trees are harvested in the forest with equipment developed for the purpose, which makes the method effective and environmentally friendly. The cut-to-length method is often thought of as a Nordic logging method. The cut-to-length method was originally developed based on the desire to optimize the efficiency of the production chain of logging and wood processing by removing overlapping work stages.

In cut-to-length, trees are processed in the forest according to use, which enables high value yield and an effective logistic chain. This enables the flexible application of different thinning and regeneration felling models in accordance with good forestry practices, because the machines are easy to manoeuvre and trees are processed efficiently one by one.

In the cut-to-length method, the harvesting equipment usually consists of a team of two machines, i. The harvester fells, delimbs and measures the trunks, and cuts them into assortments ordered by the mill.

Assortments refer to logs extracted from trunks for different uses, including different sawlogs, veneer logs, bolts, pulpwood and material for bioenergy use. The automatic system of the harvester takes care of the optimal usage of the trunks into most valuable assortments. This is called automated bucking. The forwarder transports the trees to the roadside and makes a separate pile for each assortment. Long-distance transport to the mill is taken care of with a timber truck featuring a crane for loading.

In the tree-length method, correspondingly, the harvesting equipment consists of a feller for felling the trees, a skidder for pulling the intact trunks to the roadside, and a delimber or a processor. The delimber removes the limbs and cuts the tops of the trunks.

Often, a slasher or a processor is also needed by the roadside if the trunks are so long that they must be cut for long distance transport. Loading into the timber truck is carried out with a crane transported in the truck or with a separate loader.

In hilly terrain, the tree-length method can also be carried out by a cable yarder team. In this method, the trunks are hoisted up steep hills with specifically developed winches. The tree-length method requires more machines than the cut-to-length method. In the cut-to-length method, two machines are typically needed for work requiring three or four machines in the tree-length method. Fuel consumption per harvested cubic meter is lower with the cut-to-length method than with the tree-length method because one tree is only processed by two machines: the harvester and the forwarder.

Other running costs of machines are also lower in the cut-to-length method. The cost structure of cut-to-length is different from the tree-length method because logging circumstances such as slopes, long forest haulage distances and soft ground have a significantly lower effect on the productivity of the machines than in the tree-length method.

Therefore, the overall productivity of the machine chain is more level and easier to manage. In selective thinning, a dense forest stand is thinned and its best trees are left to grow in accordance with forestry recommendations. This guarantees that the value of the forest will increase and it will yield high-quality wood in later thinning or final felling.

Properly carried out thinning prevents the forest stand from becoming too dense and the trees from drying out, as well as keeping the forest viable. This significantly reduces the risks of insect damage and fire, among other things. In the cut-to-length method, the trees are delimbed and bucked in the forest. In nutrient-poor soil in particular, this ensures that the trees left growing or the regeneration seedlings draw enough nutrients from the soil. Alternatively, part of this slash can be collected for bioenergy use, but even in that case, the nutrients from the leaves and needles remain in the forest.

Top and limb slash is also used to even up the machine driving paths in the forest to reduce the strain caused by the machines on the terrain. This has a massive impact on the formation of ground damages and possible erosion. If the cut-to-length method is carried out properly, the surface pressure on the ground caused by the machine is comparable to a human footprint. In the tree-length method, these nutrients are carried to the roadside and out of the forest, and because the trunks are transported with limbs intact, the slash cannot be used on the machine driving paths.

In the cut-to-length method, the space requirement for landings is small because the wood is not processed at the landings. In the cut-to-length method, wood transport takes place as soon as possible after the wood has been brought to the roadside. Thus, stockpiles will not grow too large.

Quick turnover decreases the amount of bug infestation. The tree-length method requires a large roadside landing since that is where the delimbing and part of the bucking take place.

This cleaning is often carried out by burning, which releases a large amount of carbon dioxide into the atmosphere. The cut-to-length method makes it possible to harvest even small logging areas cost-effectively, since there are fewer machines to move to the work site and they are relatively easy to move due to their light weight.

For small sites, special Dual machines have also been developed that can function as both harvesters and forwarders. In this case, just one machine is sufficient for carrying out the work.

For the above reasons, the cut-to-length method enables responsible forestry that greatly intensifies the growth of the forest. A growing forest is an excellent carbon sink because as trees grow, they bind a great amount of carbon dioxide from the atmosphere.

Along with low terrain damage, this is one of the most important environmental issues relating to responsibility. The cut-to-length method allows significantly more bolts to be produced in initial thinning than the tree-length method. This is because the harvester optimises each trunk accurately before cutting it. Therefore, visual estimation is not used for cutting the trunk. Additionally, when using the cut-to-length method, even a small amount of special wood can be separated and transported cost-effectively to the mill.

Examples of this include different log qualities, veneer log and poles. Due to this, the cut-to-length method enables better volume and value yield because the whole tree is utilized effectively. In tree-length, wastage is often higher. When implemented correctly, the long-distance transport of wood to the mill can be carried out at a lower cost and more effectively in the cut-to-length method than in the tree-length method.

For example, in the cut-to-length method, logs are transported directly to the sawmill, veneer logs directly to the plywood mill and pulpwood directly to the paper or pulp mill. For this reason, the transport distance is shorter than in the tree-length method, in which the entire trunks are typically first transported to the sawmill, where they are unloaded and the part suitable for sawing is cut off.

The rest becomes pulpwood and is chipped, loaded into a truck and transported to a paper or pulp mill. Thus, in the tree-length method, there are more processing stages for pulpwood than in the cut-to-length method and, for example, the transporting distance of pulpwood is nearly always longer than in the cut-to-length method. In addition, round trips can be utilized in the transportation for the cut-to-length method. This means that, for example, when sawlogs have been picked up at the logging site and taken to a sawmill, a load of pulpwood can be picked up near the sawmill and taken to a paper mill.

With efficient logistics, unnecessary empty running can be avoided to reduce carbon dioxide releases. In the cut-to-length method, logs are cut in the forest. Therefore, they can be sorted at the sawmill into batches with similar diameters before the sawing process. A batch like this can be sawed with a high line speed because all the logs are approximately of the same diameter. The settings of the saw do not have to be adjusted between logs.

In the tree-length method, logs are typically sawed in the order in which they are removed from the trunk. Therefore, the top diameter is different for each log, and for this reason, the settings of the saw must be adjusted for each log. This, in turn, leads to lower line speed and lower efficiency. Ponsse specialises in forest machines designed for the cut-to-length method and in related information systems. Breadcrumb Home Products The cut-to-length method. Back to previous page. The Cut-to-Length method.

CTL is responsible forestry. The cut-to-length method gives a higher yield from valuable wood material and a lower wood wastage.

Construction Mining and Utility Equipment

The cut-to-length method is a modern, nature-friendly logging method. In the cut-to-length method, trees are harvested in the forest with equipment developed for the purpose, which makes the method effective and environmentally friendly. The cut-to-length method is often thought of as a Nordic logging method. The cut-to-length method was originally developed based on the desire to optimize the efficiency of the production chain of logging and wood processing by removing overlapping work stages.

Komatsu also produces a number of forestry-specific models based on construction equipment. Designed for on-site recycling of construction waste such as concrete debris, stones, damaged soil and felled trees for reuse as construction materials.

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Under most circumstances, it is financially advantageous for landowners to manage their forests so they grow and market the highest value timber products possible. Forest growth refers to the volume of wood or biomass that a site produces over a period of time. Yield is the marketable timber volume available for harvest or harvested at a given point in time or during a particular period. Many factors influence forest growth and how much timber is ultimately produced. Factors include site and soil conditions, species composition, forest health, and forest management activities. Both past and present natural disturbances and management activities, as manifested in stand structure, play a major role in yield. Sawtimber is usually the most valuable product by volume.

Forest farming

Thinning is a term used in agricultural sciences to mean the removal of some plants , or parts of plants, to make room for the growth of others but does not involve the cutting of the whole tree. Selective removal of parts of a plant such as branches , buds , or roots is typically known as pruning. In forestry , thinning is the selective removal of trees, primarily undertaken to improve the growth rate or health of the remaining trees. Overcrowded trees are under competitive stress from their neighbors. Thinning may be done to increase the resistance of the stand to environmental stress such as drought , insect infestation, extreme temperature, or wildfire.

For the purposes of the present chapter, forestry is understood to embrace all the fieldwork required to establish, regenerate, manage and protect forests and to harvest their products.

The genetic constitution of an organism or a species in contrast to its observable characteristics. ACRE — An area of land measuring about 43, square feet. A square 1-acre plot measures about feet by feet; a circular acre has a radius of Reforestation establishes trees on formerly forested areas.

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In the Amazon basin, only a few species contain valuable timber, much less than many areas of the world. When land is cleared, settlers will sell the valuable timber and burn the remains to enrich the soil. In forests managed for continuous logging, however, logging areas are managed on rotations, where specific parcels can be selectively cut every years. Logging also follows highways construction, along roads such as the Trans-Amazon in the north, the soy highway in Mato Grosso, and the newly completed inter-oceanic highway between Brazil and southern Peru in the state of Madre de Dios. In the Brazilian Amazon, logging operations have often occurred on forest land claimed by ranchers and speculators.

Helicopter Extraction

The use of helicopters in forestry continues to expand. Planning for helicopter logging is critical. Being such an expensive operation, it is critical that support is available. This includes having enough transportation available to remove the large volumes of timber from the landing. Helicopter logging typically requires two landings - a service landing for the aircraft to refuel as well as periodic maintenance - and a log landing for dropping off the extracted timber. Helicopter operations have high operational costs as well as high fixed costs for move in and out. To overcome these costs the operations must maximize the amount of material removed per turn and minimize the time per turn. The payload they are capable of lifting and identified as heavy lift, medium lift, or light helicopters typically categorizes helicopters.

airtanker “A fixed-wing aircraft fitted with tanks and equipment for dropping of products (logs, lumber, and chips) that a stand can produce and the costs control competing forest vegetation and reduce competition for space, light, moisture.

Technology has been a key to better care for the forest environment, as well as improved safety, productivity, growth, and fiber utilization. Improved technology in Oregon forest operations yields:. Recent innovations in logging methods combine with forest science to improve techniques for forest operations, including: low-impact harvesting, reducing fire risk, keeping forests looking healthy, well-designed road access, protecting streams, and enhancing wildlife habitat. The latest technology makes sustainable forestry and ecosystem management possible during harvesting, roading, transportation, and the full life-cycle of a forest. The sophisticated machinery in the forest today has surprising capabilities.

Bracke Forest company

Of course, sometimes people just have questions about the basics. These questions were posed to and answered by working foresters. The Oregon Forest Practices Act requires forest landowners to replant after harvest. A landowner must establish the next generation of trees soon after a harvest.

Logging equipment for sale in oregon

Forest farming is the cultivation of high-value specialty crops under a forest canopy that is intentionally modified or maintained to provide shade levels and habitat that favor growth and enhance production levels. Forest farming encompasses a range of cultivated systems from introducing plants into the understory of a timber stand to modifying forest stands to enhance the marketability and sustainable production of existing plants. Forest farming is a type of agroforestry practice characterized by the "four I's": intentional, integrated, intensive and interactive. It focuses on increasing benefits to the landowner as well as maintaining forest integrity and environmental health.

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It covers timber harvesting, forwarding and haulage to sawmills and pulp mills. We cover sawmill activities from timber handling in woodyards and at the mill through to the cutting technology and the logistics involved in carrying them to the customer for downstream processing. In addition, IFI covers biomass collection and processing. IFI fills a void within forest related industries that suppliers in timber harvesting, sawmill operations and biomass management have believed to exist for many years. Chris Cann Editor.

Precision forestry: A revolution in the woods

Statewide, there are more than 17 million acres of forests; the vast majority of those timberlands are working forests. Most are privately owned; the rest is owned by state local, state, and federal governments. In , there were 74 primary wood-using mills in Florida. Most of those are sawmills. More than items are made from forest products, ranging from furniture to pharmaceuticals.

Bracke Forest has been manufacturing forestry equipment and machines since We design our machines to ensure that conservation of soil and of the environment is taken into consideration to the greatest possible extent, without lowering the standards for technically and economically efficient forestry. We were, for example, the first company to manufacture machines that enable inverted turf-planting, a method that increases growth volume from 20 — percent, depending on the type of soil. All product development takes place in close co-operation with forestry companies, contractors and Swedish forestry research.

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