A chainsaw or chain saw is basically a portable mechanical machine in the form of a saw which is used for different purposes. This mechanical device is mainly powered by different ways and it is run by using electricity, compressed air, hydraulic power and most commonly and frequently by a two stoke engine. There are different companies in the world that are manufacturing different models of chainsaw. All the models of these mechanical machines vary from each other depending upon the working capabilities and the capacity of the engine. They are manufactured in different parts of the world and during last five to six years, the use of chainsaw has been increased considerably.
There are different types of chainsaw that are designed according to the usage of this mechanical device. This mechanical device is used in different types of activities including the tree felling, limbing, bucking, pruning. This device is mainly used by expert persons normally referred as tree surgeons. They use this mechanical machine in order to fell trees and to remove branches and foliage. In addition to this, this device is also sued by tree surgeons to fell snags and to help in cutting firebreaks in wildland fire. Moreover, this mechanical machine is also used in harvesting the firewood. In different parts of the world, there are specialized chainsaw specialists who use this device for cutting concrete. In some parts of the world, the chainsaws are also used fro cutting the ice and this happens more commonly in Finland.
The chainsaws normally consist of following parts:
Engine – The engine in almost all chainsaws is of two stroke natures and is run by using gasoline.
Drive Mechanism – This is second part of the chainsaws which is typically a centrifugal clutch.
Cutting Chain – The cutting chain is considered as an important part of this mechanical device. Each segment of this chain provides sharp cutting teeth. Each tooth is made of chromium plated steel. The left handed and right handed teeth are alternated in the chain.
These are considered the essential parts of the chainsaws. But during last three or fours, significant improvements have been made in order to make the chainsaw device as more secure. There inventions have saved many lives and in addition to this these improvements in this device have also saved the individuals from different injuries. Some of the important improvements in this device include the chainbrake systems, better chain design and anti-vibration systems. During past recent years the chainsaw carving has become more popular and now the chainsaw manufacturers are focusing on making short, narrow tipped bars for carving.
The use of this mechanical device requires proper care and attention and slight negligence during using this machines can lead to serious injuries. There are different user guides that are available for using this device. But despite different safety features, injuries are still arising from using this machine. These injuries may arise due to the different factors including the large forces involved in the work, fast movement of this device and due to the vibration and noise of the machinery. There are different types of research studies that have clearly shown the fact that the use of hand held machines including the chainsaw may cause vibrate white finger, tinnitus or industrial deafness problems.
In short, we can that there are different types of risks which are associated with the use of this machine. Therefore in order to avoid the above mentioned injuries and risks, protective clothing must be used while using this machine. The protective clothing may include the chainsaw boots, chainsaw trousers and hearing protectors. In some parts of the world, proper license and training is required in order to run this machine. In some cases, the injuries may also arise due to poor maintenance of this machine or while attempting to cut the inappropriate material. Another important risk which is associated while using this machine is that the operator of this mechanical machine is exposed to harmful and dangerous carbon monoxide gas and in order to protect from this gas the operators should use chainsaw masks.