Sawing machine tools are sawing machines like band saw and circular saws, and the composing parts that compose sawing machines, such as sawing bands, sawing discs, driving motors, working tables, transmission belts, pulley, etc.
Sawing machine tools are a very large machine tools inventory in the industry because there are all kinds of work piece types range a wide variety of materials as well as diameters and profiles. This feature makes the production and usage of sawing machines highly custom.
Band sawing machine tools are the sawing machines whose tooling units are band like tools. A band saw is powered sawing machine tools with a long and sharp blades consisting of a continuous band of toothed metal stretched between wheels to cut targeted materials. Band saws are used particularly in metalworking, woodworking, and lumbering, but can also be used to cut other work pieces with lengthy lengths.
In application, the advantages of band sawing machine tools include uniform cutting movement as a result of an evenly distributed tooth loads, and the capability to cut irregular or curved shapes like a jigsaw. The minimal radius of a curve is determined by the width of the saw band and the curves. Most band saws have two wheels rotating in the same plane, while one of which is powered; besides, some may have three or four to distribute the load so that the machine is with improved distribution ratio. The blade of a band sawing machine tool can come in a variety of tooth pitches and size scales, which enables the band sawing machines to be with high versatility, and be able to cut a broad variety of raw materials such as wood, metal and plastics.
Almost all band saws nowadays are powered by at least an electric motor while line shaft versions were once common in the market but are now antiques. The idea of the band saw machines dates back to the 19th century, and was the time when William Newberry had received a British patent for the idea. Nevertheless, band saws remained impractical basically due to the inability to the fact that it 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. It was until the overall technology of motors and calibration has progressed to the extent that band sawing machine tool can reach out targeted goal, then this type of sawing machine tools became popular due to the higher reliability.
Not like the band sawing machine tools, circular sawing machine tools utilize circular tools to conduct sawing procedure rather than sawing bands to achieve the cutting mechanism, which leads to other machining features that is different from band sawing mechanism. Conventionally, a circular saw is a powered saw that uses a toothed or abrasive disc set or blade to cut different materials by a rotary motion spinning around an arbor. Similarly, a hole saw and ring saw also use a rotary motion but are different from a circular saw.
To be precise, circular sawing machines may also be loosely used for the blade itself. Circular saws were invented in the late 18th century and were in common use in sawmills in the United States by the middle of the 19th century due to the growth of industry over agricultural sectors in the states then. A circular saw is a machining tool for cutting many materials such as wood, masonry, plastic, or metal. Circular saw may be hand-held or mounted to a machine body as the media that carries the sawing capacity.
The application of sawing machine tools can be dated back to the needs of lumbers. In the sector of woodworking, the term circular saw refers specifically to the hand-held type. The table saw and chop saw are other conventional forms of circular saws. Besides, the terms "Skilsaw" and "Stihl saw" have also become commonly used trademarks for conventional hand-held circular saws in the market of sawing machines.
For circular saw blades, they are specially designed for each particular material they are intended to cut due to the machining specific demands. And in the sector of cutting wood, there are specifically designed objects for making rip-cuts, cross-cuts, or a combination of both in order to best achieve the targeted cutting tasks. For band sawing machines, most of the applications are of massive quantity pipe cutting, lumbering, woodworking, etc. These are few examples of the sawing machine tools’ application inventory, and the entire picture is rather big.
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