tungsten steel blade processing tungsten steel upper knife tungsten steel lower knife, PTJ tungsten steel processing provides custom production of tungsten steel blades, tungsten steel knives, tungsten steel upper knives, tungsten steel lower knives, tungsten steel combined cutters.
For the tungsten steel combination cutter for metal wire cutting and punching operations, the cutting edge is required to be sharp, wear-resistant and not easy to break, which is very important to the choice of tungsten steel material. The conventional tungsten steel blade material will collapse and break the tip during the cutting process of metal wire. This requires tungsten steel material with better bending strength to meet the use of metal cutting tools.
PTJ tungsten steel blade processes tungsten steel upper knife and tungsten steel lower knife, customized production according to the equipment drawings of customers and friends of Ningbo tungsten steel blades. The size specifications are:
1. Tungsten steel upper knife: 100*70*2-58*2-15°*2-60°-52*8,
2. Tungsten steel cutting: 110*2-52*4-R5*4-C1*52*46*56.6°*Φ32-Φ18*20,
3. Tungsten steel cutting: 110*2-52*4-R5*4-C1*52*46*69.25°*Φ36.5-Φ22*20.
The technical requirements of the tungsten steel upper and lower combined cutters require that the parts are smooth and free of burrs, the uninjected size tolerance is in accordance with IT10, and the uninjected chamfer C0.5.
For the tungsten steel combined upper and lower knives used for metal wire cutting, the particularity of the material requirements needs to meet the impact of the metal wire and the tungsten steel cutting edge. PTJ tungsten steel blade processes tungsten steel upper and lower combination knives, and its tungsten steel material parameters are as follows:
1. Cobalt content Co%: 15%,
2. Hardness HRA: 87.9,
3. Density: 13.9g/cm3,
4. Bending strength: 3200MPa,
5. Elastic modulus: 440GPa,
6. Coefficient of thermal expansion: 6.1 10-6/℃.
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