Circular Saw

Circular saws are the sawing machines that utilize disc shaped saws to cut objects, so the common term for this type of machines are circular saw machines or circular sawing machines.

The circular saws used on the circular sawing machines are disc shaped blades that can saw the given work pieces such as metal bars or other materials with lengthy distance. 


Circular Saws vs. Band Saws

It is obvious that unlike band sawing machine, circular saws utilizes circular cutting 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, rings saw also use a rotary motion but are different from circular saws.

Circular saws may also be loosely applied for the blade itself by now, but 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. The growth of circular saws back then was due to the growth of industry over agricultural sectors in the States at that time. The change of agricultural technology would eventually move the progress of the development of circular saws. The designs and shapes of the sawing discs are perpetually changed with time.

Circular saws are machining tools for cutting many materials such as wood, masonry, plastic, or metal. Circular saws may be hand-held or mounted to a machine, while now as the pandemic grows in among people, CNC circular saws are more and more popular as there is no need to contact more technicians with the CNC circular saws that need less interaction between onsite workers. 


Circular Saws for Wood Working

In the sector of woodworking, the term "circular saws" may refer specifically to the hand-held type and the table saw and chop saw are other conventional forms of circular saws. In the circular saws modern days, the term SKILSAW has also become generic trademarks for conventional hand-held circular saws in the market of sawing machines.

Circular saws’ blades are specially designed for each particular material they are intended to cut due to the machining specific demands. And in the sector of wood cutting, 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. Moreover, regarding the power source, normally speaking, circular saws are commonly powered by electricity, but may be powered by a gasoline engine or a hydraulic motor which allows it to be fastened to heavy equipment as well. Because engineers of circular saws can evaluate the needs for a separate energy source, the driven process of circular saws may be gear driven or belt driven, but mostly are with transmission components so that there are speeds options for onsite operators to choose the optimum working modes for the circular saws based on the conditions. 


Servo Based Circular Saws

Nowadays with the servo motor has been widely adopted in machinery, newly developed circular controlled by computer are with new power motors in order to save energy consumption. The targeted material to be cut is securely clamped or held in a hydraulic vise, and the saw blade or other cutting tools are advanced slowly across it. In some variants of the servo circular saws, such as the table saw, the saw is fixed and the material to be cut is slowly moved into the sawing blade.

As each tooth in the blade strikes the materials, it makes a small chip and the chip issue is also another modern machining problem to be dealt with by conveyors. During the processing, the teeth will guide the chip out of the work piece, preventing it from binding the blade. And the chip ejection and conveying issues are also the main concerns of many other machine tool suppliers in the industry. Once if the chips caused during cutting are not removed, they eventually will cause serious tolerance rates impacts onto the work pieces and thus the cutting routes set by the operators cannot be carried out smoothly. It is important to have all these issues well managed and fine the best solutions for the mechanical operations.

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