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Band saw machine is also called as bandsaw, which is a powered sawing machine with a long and sharp blades consisting of a continuous band of toothed metal which is stretched between wheels to cut targeted work pieces or materials.
Band saw machine is also called as bandsaw, which is a powered sawing machine with a long and sharp blades consisting of a continuous band of toothed metal which is stretched between wheels to cut targeted work pieces or materials. Band saw is used particularly in the sectors of metalworking due to its fast and effective nature, but can also be used to cut a variety of other materials for other industrial sectors.
The advantages of band saw machines ( bandsaw ) include uniform cutting actions as a result of an evenly distributed tooth loads, and the competence to cut irregular or curved shapes like jigsaw machines. The minimal radius of a curve is determined by the width of the saw band and the curves. Most band saw machines have two wheels rotating in the same plane, while only one of which is powered; in addition to it, some band saw ( bandsaw )may have three or four in order to distribute the load so that the machine is with improved even distribution. That band saw ( bandsaw ) design promises better distribution and eventually grants better performance.
Regarding the blade of a band saw machine ( bandsaw ), it can come in a variety of tooth pitches and size scales, which enables the band saw machines ( bandsaw ) to be with high versatility, and be able to cut a broad variety of raw materials such as steel, copper…. Almost all band saw machine ( bandsaw ) nowadays is powered by an electric motor.
The design and concept of the band saw machines ( bandsaw ) dates back to the 19th century, In about 1809, it was the time when William Newberry had received a British patent for the idea, however, band saw ( bandsaw ) remained impractical basically due to the inability to the fact that band saw ( bandsaw ) was hard to produce accurate and durable cutting blades using the technology back then, because continual flexing of the blades over the wheels will make the material or the joint welding to fail. Band saw ( bandsaw ) was only around four decades passed then a woman Anne Paulin Crepin devised a welding technique that has overcome this technical obstacle. The French inventor later applied for a patent in the year 1846.
In the USA, the first US band saw ( bandsaw ) patent was granted to a man named Benjamin Barker, who is the famous Benjamin Barker of Ellsworth, Maine, and the registration was done in the year 1836. The first factory produced and commercially available of practical band saw machines ( bandsaw ) in the America was launched by a design of Paul Prybil. Once for a while in the history, the power hacksaws with reciprocating blades were once very common in the metalworking industries due to its practical usages at that time because band saw machines ( bandsaw ) can easily fulfill customers’ processing demands, but then as the technology progresses, band saw machines ( bandsaw ) and cold saws have displaced them and become the primary cutting tools for workers all over the world industry.
Nowadays, most band saw machines ( bandsaw ) are of automatic control and is operated by the CNC (Computer Numerical Control) system. Ordinary automatic band saw machines ( bandsaw ) feature preset feed rate, return, fall, part feeding, and last but not least, part clamping that makes work pieces firmly fixed for the sawing process. The concept of CNC controlled band saw machines ( bandsaw ) are exploited in the production conditions in which assigning single one on-site operator for each band saw machine ( bandsaw ) is not practical and a waste of manpower. Therefore, with the automatic mechanism, now a single one operator can feed and unload many automatic band saws controlled by CNC in an efficient and productive way.
Furthermore, some automatic band saw machines ( bandsaw ) rely on numerical control can operate not only faster, but also can cut in a more accurate way, and eventually to perform more complicated miter cuts. As a result, modern band saw machines ( bandsaw ) are mostly equipped with CNC controller so as to keep up with the machining demands and standards nowadays.
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