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Posted on Aug 16, 20191
In both the metalworking and woodworking sectors, a band sawing machine is also called a bandsaw machine. This is a power-driven sawing machine with a long and sharp blade consisting of a continuous band of tooth-featured metal stretched between wheels to cut workpieces.
Nowadays, the usages of band sawing machines are particularly in metalworking, woodworking, and lumbering, but they can also be applied to cut a variety of other hard materials with the lengthy body. The major advantages of band sawing machines include uniform cutting movement due to its evenly distributed tooth loads, and the capability to cut irregular or curved shapes.
The major element that compose a CNC band sawing machines are about several critical elements. There are also manual and NC (numerical controlled) mechanisms though, we are now talking about CNC only in this article. Those four critical elements are the falling mechanism, feeding mechanism, automatic saws, and teeth.
In the metalworking sector, double column band saws are the greatest variety of band sawing machines in the industrial inventory. Some band sawing machinery producers utilize rotary tables and the X-axis to perform complex cutting just like the similar mechanisms that milling machines and machine centers utilize. In other cases, the pivot band saw is an alternative in which the hinge in an arc as they advance through the work and is also popular.
Unlike with the hydraulic feeding mechanism, the method of gravity feeding is more cost-effective, which feeds band saws fall under weights. Most band saws are designed with a method to permit the cutting force to be adjusted, such as a movable counterbalancing weight, a coil spring, or even a hydraulic or pneumatic damper. Meanwhile, hydraulic feeding band saws are stable and are highly productive as well, because those machines use a positive pressure hydraulic piston to progress the saw via the work at variable pressure values and rates, rendering great productivity.
Automated band sawing features the preset feeding rate, returning, falling, part feeding, and clamping systems. These modern features well cooperate in the production environment in which if there is only one equipment operator per saw, then the manufacturing model is considered not practical at all. Because modern band sawing tasks request that each operator to feed and unload many automatic bands saw machines as they can. Some automatic band saws are based on numerical control to not only cut faster but to be more accurate. This kind of design and edition grants better repeatability.
Due to the design configuration, band sawing machines are good at sawing long materials such as tube or solid bar stock to length and can achieve great accuracy as well as precision. Accordingly, it is a crucial manufacturing procedure of the equipment in most machine shops. In the modern industry, band sawing machines are widely applied in a wide variety of applications.
In the sector of sewing machinery, circular sawing machine utilizes circular tools to process sawing procedure rather than sawing bands to achieve the cutting mechanism, which leads to other machining features that is distinguished from band sawing mechanisms.
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.
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