Methods and Considerations
The polishing process of tungsten steel wire drawing dies is generally divided into two methods: mechanical polishing and electrolytic polishing.
Mechanical polishing is to use a high-speed rotating grinding head on the surface of the die to remove the unevenness and scratches on the surface, thereby making the surface of the die smooth. This method is suitable for the initial processing of the die surface and rough dies. However, due to the time and energy required for mechanical polishing, it is not suitable for large-scale production.
Electrolytic polishing is a fast and efficient polishing method. By applying an electric current to the surface of the die, the metal ions on the die surface are oxidized and reduced, thereby forming a dense and smooth oxide layer on the surface. This oxide layer can not only protect the die surface from corrosion and wear but also improve the hardness and wear resistance of the die surface. In addition, electrolytic polishing can also precisely control the roughness and smoothness of the die surface, thereby further improving the quality of the die surface.
First：
Choose the appropriate polishing method and polishing solution. Different polishing methods and polishing solutions have different effects on the die surface treatment, so the most suitable method should be selected according to the specific situation.
Second :
Control the polishing parameters, including current, time, temperature, etc. These parameters will affect the polishing effect and the quality of the die surface, so sufficient experiments and adjustments should be carried out to achieve the best polishing effect.
However, during the use of tungsten steel wire drawing dies for production, the surface of the dies is easily worn and scratched due to the characteristics of the metal materials and the friction of the dies themselves, resulting in a decrease in the quality of the produced metal wire. Therefore, polishing of tungsten steel wire drawing dies is very important.
Finally :
Strict quality control and inspection should be carried out during the polishing process to ensure that the polished die surface meets the required standards.
Tungsten steel wire drawing dies are tools used for manufacturing metal wires. They are made of high-hardness tungsten steel and have excellent wear resistance and corrosion resistance, making them widely used in various fields such as aviation, automotive, electronics, and medical industries.
| Item | Soft wire product | Hard wire product |
| Bell angle (α) | 70°±20° | 60°±20° |
| Approach angle (β) | 35°±5° | 30°±5° |
| Reduction angle (γ) | 18°±2° | 12°±2° |
| Bearing length (D) | 20-50 | 40-60 |
| Back relief angle(θ) | 20-50 | 15°±5° |
| Exit angle (φ) | 50°±20° | 50°±20° |
