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In the formula 0.5E-0.8H1.43, the higher the material hardness (GPa) e, the better the wear resistanceOkay.
2. Adequate strength and toughness
In order for the cutting tool to work under high pressure, as well as the impact and vibration conditions that often occur during the cutting process, without causing blade breakage and breakage, the cutting tool material must have sufficient strength and toughness.
3. High heat resistance (thermal stability)
Heat resistance is the main indicator for measuring the cutting performance of cutting blade materials. It refers to the performance of mechanical blade materials to maintain a certain degree of hardness, wear resistance, strength, and toughness under high temperature conditions. The cutting blade material should also have the ability to resist oxidation at high temperatures
And good resistance to adhesion and diffusion, that is, the protective material should have good floral stability.
4. Ability to handle miscellaneous items and withstand impact parts
The easier the cutting heat is to dissipate from the cutting zone, which is beneficial for reducing the cutting temperature. When cutting intermittently or using cutting fluid, the cutter is often subject to great thermal shock (temperature changes violently), so cracks will occur inside the cutter and cause fracture. The ability of the cutting blade material to resist thermal shock can only be expressed by the thermal shock coefficient,The coefficient of thermal expansion has a large thermal conductivity, which makes the heat easy to dissipate and reduces the temperature gradient on the surface of the cutting blade; Small coefficient of thermal expansion can reduce thermal deformation; The small elastic modulus can reduce the amplitude of alternating stress caused by thermal deformation; It is beneficial to improve the thermal shock resistance of the material.
Cutting fluid can be used for cutting materials with good thermal shock resistance.
5.Good process performance
In order to facilitate the manufacturing of cutting blades, it is required that the cutting blade material has good process performance, such as forging performance, heat treatment performance, high-temperature plastic deformation performance, grinding processing performance, etc.
6.Economy
Economy is one of the important indicators of cutting blade materials. High quality cutting blade materials have a high cost for a single mechanical blade, but due to their long service life, the cost allocated to each component may not be very high. Therefore, when selecting cutting blade materials, it is necessary to comprehensively consider their economic effects.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.