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The center of gravity and the stability triangle is one of the important basic operating considerations. Amongst the most difficult things for an operator of a lift truck to determine is the importance of maintaining their center of gravity within their stability triangle.
The Stability Triangle
So as describe it simply, a forklift has a 3-point suspension system. When imaginary lines are drawn between these three points, the stability triangle is formed. The operator must ensure that the center of gravity, that is made, together with the machinery and his load, remains in the stability triangle to be able to prevent the forklift from losing balance and tipping over.
Centers of Gravity
How is the center of gravity defined? When it comes to lift truck operation, we must be concerned not just with the load's center of gravity but as well with the combined center of gravity. This comprises the lift truck and the load it is picking up.
The center of gravity of the load is defined as the load center. The load center can be more easily detected in a uniform load situation, like for example a bale. Like for example, a uniform load on a forty eight inch long pallet, will have the load center at twenty four inches. This is a common load center for numerous lift trucks with smaller capacity. However, if a load is not correctly centered, like with things that are not symmetrical, maybe an engine for instance, then a lot of care and caution should be taken to be able to gauge the center of gravity.
Moreover, the lift truck has a center of gravity of its own. This shifts each and every time the lift truck carries a load. Once the load is lifted, the center of gravity shifts forward. Care should be taken so as to maintain the center of gravity in the stability triangle of the forklift. This happens by following the numbers and not carrying more than the maximum allowable, given the center of the load. Also, the load center must be taken into consideration. Be aware that whenever raising the load, the load center moves forward as well.
Forklifts or lift trucks are powered industrial trucks that are usually utilized in the transportation and lifting of supplies for different applications. These types of machinery are commonly used within the mining, construction, warehousing, and dockside operations.
Depending on their uses, the forklift can be called by a lot of different names. Several different examples of these names include: trailer loaders, fork trucks, stacker trucks and lift trucks. These machines are utilized all around the world, mainly in the warehousing and manufacturing industry.
In the mid 19th century and the start of the 20th century, the very first forklifts made their debut during the construction of the Pennsylvania railroad in 1906. During that time, platform trucks were introduced in order to help in moving goods. These first platform trucks were battery powered. The trucks regained their popularity in WWI when extreme shortage of labor happened due to all the enlisted men. This is when forklifts really arrived on the market to stay.
There are basically 2 main types of forklift: those dealing with heavy loads and those which can handle light cargo. The light models comprise: towing tractors, side loaders, hand pallet trucks and walkie starters. These kinds of machinery are built for handling lighter loads and they are not suitable for extremely heavy cargo. The machine's specific load capacity is posted on the machine itself and in the owner's manual. Some examples of the big truck types include: telescopic handlers, walkie order picking trucks and truck mounted forklifts.
