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Selection and use of saw blades for high-speed metal circular saws

Selection and use of saw blades for high-speed metal circular saws

  • Author:
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  • Time of issue:2018-04-16 14:03
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(Summary description)Everyone knows that every metal circular saw needs to be equipped with a suitable metal circular saw blade to be able to cut materials. The circular saw blade is driven by the power system of the metal circular saw to drive the saw blade to rotate at a high speed. The material is effectively cut, and then how do we choose the appropriate circular saw blade for the metal circular saw that we choose? The following summarizes the following points, I hope it can be helpful to everyone.

Selection and use of saw blades for high-speed metal circular saws

(Summary description)Everyone knows that every metal circular saw needs to be equipped with a suitable metal circular saw blade to be able to cut materials. The circular saw blade is driven by the power system of the metal circular saw to drive the saw blade to rotate at a high speed. The material is effectively cut, and then how do we choose the appropriate circular saw blade for the metal circular saw that we choose? The following summarizes the following points, I hope it can be helpful to everyone.

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2018-04-16 14:03
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Information

  Everyone knows that every metal circular saw needs to be equipped with a suitable metal circular saw blade to be able to cut materials. The circular saw blade is driven by the power system of the metal circular saw to drive the saw blade to rotate at a high speed. The material is effectively cut, and then how do we choose the appropriate circular saw blade for the metal circular saw that we choose? The following summarizes the following points, I hope it can be helpful to everyone.

  One, the choice of thickness

  The thickness of the saw blade theoretically we hope that the thinner the saw blade is, the better, the saw kerf is actually a consumption. The outer diameter of the saw blade and the sawing material determine the thickness of the saw blade. If the thickness is too thin, the saw blade is prone to sway and shake when working, which affects the cutting effect. When choosing the thickness of the saw blade, the stability of the saw blade and the material to be cut should be considered. Some special-purpose materials require specific thicknesses and should be used according to equipment requirements, such as grooving saw blades.

  Second, the choice of diameter

  The diameter of the saw blade is related to the sawing equipment used and the size of the sawing workpiece. The diameter of the saw blade is small, and the cutting speed is relatively low; the large diameter of the saw blade places higher requirements on the saw blade and sawing equipment, and the sawing efficiency is also high. The outer diameter of the saw blade is selected according to the different circular saw machine models to use the saw blade with the same diameter.

  Three, the choice of aperture

  The aperture is a relatively simple parameter, which is mainly selected according to the requirements of the equipment. At present, the standard aperture of domestic design is 32MM, and some imported equipment also have 25.4MM apertures. Regardless of the size of the aperture, it can be modified by a lathe or a wire cutting machine. The lathe can be turned into a gasket with a large hole, and the wire cutting machine can expand the hole to meet the requirements of the equipment.

  Fourth, the choice of the number of teeth

  The number of teeth of the saw tooth, generally speaking, the more the number of teeth, the more cutting edge in a unit time, the better the cutting performance, but the tooth is too dense, the chip volume between the teeth becomes smaller, and it is easy to cause the saw blade to heat up; in addition, too much saw tooth , When the feed amount is not matched properly, the cutting amount of each tooth is very small, which will increase the friction between the cutting edge and the workpiece, and affect the service life of the cutting edge. If the saw teeth are too thin, the distance between the teeth will be large, and the impact between the cutting edge and the workpiece will be large, which will cause the saw blade to jump and affect the service life of the blade. A reasonable number of teeth should be selected according to the material to be sawed.

  Five, the choice of tooth shape

  The tooth profile includes angle teeth, curved back teeth, left and right teeth (alternate chamfering), high and low teeth, and rare combination teeth. The combination tooth is a combination of two tooth shapes, and the grinding is more complicated. The most commonly used are left and right teeth.

  Six, the choice of sawtooth angle

  The angle parameters of the sawtooth part are more complicated and professional, and the correct selection of the angle parameters of the sawtooth is the key to determining the quality of sawing. The main angle parameters are the front angle and the back angle. The rake angle is the cutting angle of the saw tooth. The rake angle mainly affects the force consumed by sawing the material. The larger the rake angle, the better the cutting sharpness of the saw tooth. The lighter the cutting, the more effortless the feed. Generally, when the material to be processed is soft, choose a larger rake angle, otherwise, choose a smaller rake angle. The clearance angle is the included angle between the saw tooth and the machined surface. Its function is to prevent the saw tooth from rubbing against the machined surface. The larger the clearance angle, the smaller the friction and the smoother the cut. The chamfer can not be too small, it plays a role in maintaining the durability and heat dissipation of the tooth. The angle of the serration is the position of the serration during cutting, and the angle of the serration affects the cutting performance.

  Seven, a series of parameters such as the thickness, diameter, aperture, number of teeth, tooth profile, angle, etc. of the saw blade are combined into the whole of the saw blade. It is necessary to select and match reasonably to better exert its performance.

  8. For more information about circular saws, please pay attention to the website of Jincheng Machinery Company.

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