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In modern industry, horizontal band saws are widely used in various industrial applications, including metal processing, woodworking and wood processing fields, and can also be used to cut a variety of other materials. Compared with ordinary circular sawing machines, the main advantages of horizontal band saws include: uniform cutting movement due to the uniformly distributed tooth load, and the ability to cut irregular or curved shapes like a jig saw. The minimum radius of the curve depends on the width of the saw band and the curve.
The speed of the band is determined by other major factors, ranging from about 0.20 meters per second to 25 meters per second. In some specific band sawing types, such as custom band sawing machines designed for friction cutting of extra-hard metals, these machines can run at a belt speed of about 76 meters per second, thereby increasing production efficiency.
The horizontal band saw is sawing equipment specially designed for industrial metal cutting. They can be used for very long work piece cutting tasks, such as the manufacture of construction steel and bars in mechanical structures. Band saws have both vertical and horizontal designs, each with different advantages.
The horizontal band saw clamps the work piece while the saw blade swings downward through cutting. This design configuration is used to cut long work pieces (such as tubes or solid bars) into a certain length. Therefore, this is essential equipment in most metal production lines. However, horizontal design is not very convenient for cutting specific contours (such as curves or other complex shapes). Because small horizontal band saws usually only use gravity feed.
Both wood processing and metal processing produce chips that are harmful to factory personnel. Therefore, metal cutting band sawing machines are usually equipped with brushes or brush wheels to prevent chips from getting caught between the saw teeth.
In addition, in order to cool the saw blade, the band sawing machine must be designed with cutting fluid circuit, because the coolant can wash away the chips, while keeping the saw blade cool and well lubricated. On the other hand, this type of sawing machine is partially automated by PLC or CNC control system. This control is designed for mass production. In addition to the horizontal and vertical categories, there are two main types of sawing machines in the industrial market: band saws and circular saws.
Circular sawing is not like band sawing in many ways. Circular sawing machine use circular tools to perform the sawing process instead of using saw blades, which leads to their different processing characteristics from band sawing machines. A circular saw is a powered saw that uses toothed or abrasive disc sets or saw blades to cut different materials by rotating around a mandrel.
On the other hand, band saw is a powered saw with a long, sharp blade consisting of a continuous band of toothed metal stretched between two or more wheels to cut material. The advantages of the band saw include uniform cutting movement due to the uniformly distributed tooth load, and the ability to cut irregular or curved shapes like a jig saw. The minimum radius of the curve depends on the width of the saw band and the curve. Most band saws have two wheels that rotate on the same plane, one of which is powered. In addition, some can distribute three or four loads to improve the distribution of the machine on the blades.
Horizontal sawing methods can be performed in different phases and directions. In the field of metal processing, horizontal sawing machines can be used for a variety of sawing tasks, ranging from single tiny parts to heavy and large work pieces. Now, many large sawing machine types can withstand the huge vibrations caused by the cutting movement. Although the sawing machines do not have the gantry design like the machining center, they are strong and stable, and can provide excellent sawing performance.
Today, most band saws are automatically controlled and operated by CNC systems. Common automatic band saws have preset feed speed, return, descent, part feeding and part clamping functions. These functions allow a single operator to efficiently feed and unload many automatic band saws. Some automatic band saws rely on CNC technology to achieve faster cutting and excellent cutting precision.
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