A vertical bandsaw is a stationary device that uses a rotating metal band with teeth to cut various materials, powered by electric motors. It is preferred over circular saws for ripping lumber due to its ability to cut larger diameters and waste less lumber. Some versions have feed functions, and cutting curves is easier. Automated band saws are also available.
When manufacturing wood or metal products, making accurate cuts can be difficult, especially when cutting curves or other shapes. A vertical bandsaw is especially useful for such duties. A vertical band saw is a stationary device that uses a continuous rotating band of metal with teeth on one side to cut various materials. The saw blade is mounted vertically, so that the blade runs perpendicular to the material to be cut.
A vertical band saw can be powered by any number of sources. Early versions of the vertical bandsaw used wind power, steam power, and even animal energy to drive the blade. Modern versions of the vertical band saw are typically powered by an electric motor to provide a consistent power source that doesn’t affect blade speed or accuracy.
Sawmills often use a vertical band saw to rip the lumber. Most mills prefer the use of the band saw over a circular saw for two reasons: one, the band saw can cut a larger diameter piece of wood, depending on the size of the blade and the machine, and two , the band saw has a smaller cut or width of cut, which means less lumber is wasted. Such large bandsaws are stretched over large wheels that prevent the blade from bending in such a way that it could break. The blade is very tight to facilitate precision cutting.
Some versions of vertical band saws have feed functions that help the person using the saw feed the piece of material through the machine. There are several types of feed, ranging from gravity-feed to hydraulic, and the type of feed used typically depends on the size of the saw and the type of material being cut.
Cutting curves on a band saw is easier than on other types of saws. The size of the bend depends largely on the width of blade used, the amount of lateral flex the blade allows, and the size of the machine. Cuts are sometimes limited by the distance between the blade and the back of the machine, so a larger machine is required for larger cuts. Today, many factories use automated band saws, which can be controlled by computer and don’t require a human operator to guide the functions. Such saws, however, often need a human operator to feed material into the machine.
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