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Views: 21 Author: Site Editor Publish Time: 2025-08-21 Origin: Site
Blade material: Common steel bar cutting machine blade materials include high-speed steel, carbide, etc. High-speed steel blades have low cost and good toughness, and are suitable for cutting steel bars with small diameter and low hardness, such as small diameter round steel bars used in ordinary construction. Carbide blades have high hardness and strong wear resistance, and are more suitable for cutting large diameter and high strength steel bars, such as thick steel bars or threaded steel bars used in bridge construction. When choosing, the blade material should be determined according to the type and specification of steel bars that are frequently cut.
Blade size: The blade size needs to match the model of the steel bar cutting machine. Generally speaking, larger steel bar cutting machines can be equipped with larger diameter blades to ensure cutting efficiency and stability. At the same time, the thickness of the blade will also affect the cutting effect. Thicker blades can withstand greater cutting forces when cutting thick steel bars and are not easy to deform; thinner blades are suitable for cutting thin steel bars, which can reduce the incision width and improve material utilization. When choosing the blade size, refer to the equipment manual and actual cutting requirements.
Number of blade teeth: The number of blade teeth will affect the smoothness and efficiency of cutting. A blade with more teeth has a smaller amount of cutting per tooth during cutting, and the cutting process is relatively smooth, the incision is relatively smooth, but the cutting speed may be slow; a blade with fewer teeth has a larger amount of cutting per tooth and a faster cutting speed, but the incision may be relatively rough. For steel bar cutting with higher precision requirements, such as steel bars used for precision building components, a blade with more teeth can be selected; for general construction where precision requirements are not high, a blade with a suitable number of teeth can be selected according to efficiency requirements.
Cutting speed: The cutting speed mainly depends on the material and diameter of the steel bar. For steel bars with softer materials and smaller diameters, the cutting speed can be appropriately increased to improve work efficiency. For example, when cutting ordinary low-carbon steel bars with a diameter of less than 10mm, the cutting speed can be set at a higher level. For steel bars with harder materials and larger diameters, such as high-strength alloy steel bars or large-diameter threaded bars, excessive cutting speeds will cause increased blade wear, reduced cutting quality, and may even damage the blade and equipment. At this time, the cutting speed should be reduced.
Feed rate: The feed rate refers to the speed at which the steel bar advances toward the blade during the cutting process. The appropriate feed rate can ensure the cutting quality and blade life. Generally speaking, the feed rate can be slightly larger when cutting thin steel bars; the feed rate should be appropriately reduced when cutting thick steel bars. If the feed rate is too large, the blade may be subjected to excessive pressure, resulting in blade damage or poor cutting quality; if the feed rate is too small, the cutting efficiency will be reduced. In actual operation, the optimal feed rate can be determined through experiments based on the specific conditions of the steel bars and the performance of the equipment.
Cutting depth: The cutting depth should be determined based on the diameter of the steel bar and the effective cutting range of the blade. Ensure that the cutting depth can completely cut off the steel bar without causing the blade to over-cut into the workbench or other parts to avoid equipment damage. For steel bars of different diameters, the cutting depth should be adjusted reasonably. Generally speaking, the cutting depth should be slightly larger than the diameter of the steel bar, but not too large to avoid affecting the cutting stability and blade life.
In summary, light hydraulic shears, steel bar punching machines, steel bar bending machines and chain cutting machines all play an important role in their respective application fields. Understanding and mastering their design features, advantages, and correct use and maintenance methods can not only ensure the normal operation of the equipment and improve work efficiency, but also extend the service life of the equipment, providing strong support for production and various types of work. Learning to choose the right hydraulic rescue tools for the job, as well as mastering how to choose the right steel bar cutting machine blade and cutting parameters, can make the most of the tools in related work.
