Global Leadership Brand:Metal Cutting/Marking/Welding/Cleaning

The sawing sector which saw a dip in fortunes

by:Lxshow     2020-08-16

While the cutting process of a cold saw is such that the chips which are formed via the saw blade have the heat passed on to them, and the material which is being cut (along with the blade) remains cold, hence the saw gets its name. Cold saws are used to work (machined) on ferrous as well as non-ferrous alloys while the most common function of the portable type of cold saw is via the building industry, to machine sheet metal roofers. The machining capacity of cold saws can range from a millimeter to around 6 millimeters thickness with respect to mild steel.

The working of this saw involves an electric type motor working in tandem with a gear reduction unit. The gear reduction unit in a cold saw is commonly abbreviated as GRU helps in the reduction of the rotational speed of the saw blade and in maintaining a constant level of torque. It also helps the blade to get fed with high chip load/tooth, all at a constant rate. All these aspects go on to form the best practice with respect to the result oriented cutting process of the cold saw. One other best practice is to perfectly clamp the material which is to be cut; this prevents any unnecessary movement during the process of cutting.

Coming back to the components, one of the most important components of a cold saw is the blade. Circular saw blades are used for this purpose. Generally 2 types of blades are used here; first the very popular ones, solid HSS (high speed steel) and cermet tipped ones and then the tungsten carbide tipped blades. All types of blades have their pros and cons. The blades directly influence the feed rate and the cutting speed as well. The working part of the blades requires a coolant system which is used not only to cool the teeth but to lubricate them as well.

A commercial portable cold saw comes with a detachable catcher, which is very useful during the process of capturing the swarf that get formed. The list of advantages of the cold saw segment hold ground during its comparison with other types of saws, prominently the abrasive saw. Cold saws produce very less amount of burr and there isn't any formation of sparks or discoloration and no dust either. The building industry is perfect hunting ground for cold saws because these saws do not damage the protective coating during or post their function.

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