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Mechanical blade application performance

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Mechanical blade application performance

Release date:2016-07-27 Author: Click:

Mechanical blade application performance


1, high hardness and wear resistance


Hardness is a basic characteristic of a mechanical blade material. Mechanical blade to cut the chip from the workpiece, the hardness must be greater than the hardness of the workpiece material. The cutting edge hardness of the mechanical blade used for cutting metal is generally above 60HRC. Wear resistance is the ability of the material to resist wear. In general, the higher the hardness of a mechanical blade material, the better its wear resistance. Hard points in the organization (carbide, nitride, etc.) the higher the hardness, the greater the number of smaller particles, the more uniform distribution, the better the wear resistance. Abrasion resistance and the chemical composition of the material, strength, microstructure and friction zone temperature. The formula can be used to express the wear resistance of the material WR: WR = KICO.5E-0.8H1.43 Where: Day on the material hardness (GPa) e The higher the hardness, the better the wear resistance.


2, sufficient strength and toughness


Mechanical blades must be sufficiently strong and resilient to withstand high pressures and work under shock and vibration conditions often encountered during the cutting process without chipping and breaking.


3, high heat resistance (thermal stability)


Heat resistance is a measure of the mechanical cutting blade material performance of the main signs. It refers to the mechanical blade material at high temperatures to maintain a certain degree of hardness, wear resistance, strength and toughness properties.


The mechanical blade material should also have the ability to resist oxidation at high temperatures as well as good resistance to sticking and diffusion, ie, the dough material should have good chemical stability.


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