Powder metallurgy mobile phone motor vibrator

Powder metallurgy process flow

1. Prepare raw powder
2. The ingredients
3. The mixture
4.Mix in the glue cleaner
5. Alloy powder is granulated
6. Alloy powder particles are dried and dried
7. Screening of alloy powder particles
8. Die casting forming
9. The sintering
10.Polishing
11. Surface treatment
12. Inspection of finished products

The vibration of mobile phone motor adopts tungsten-nickel-copper alloy with purity of 99.9WT%, among which the content of tungsten-nickel-copper is 95~97wt%, 2~3wt% and 1~2wt% respectively.Compared with the existing technology, the invention has the advantages of adopting the high-specific gravity wolfren-nickel-copper alloy material to make the vibrator of mobile phone vibration motor, which has the characteristics of high specific gravity, high strength and high hardness, small expansion coefficient, good corrosion resistance and oxidation.Good vibration weight, operation stability and service life can be obtained, and the volume of mobile phone vibration motor can be reduced and the cost can be reduced;The preparation method provided by the invention has the advantages of high industrial automation, high production efficiency, simple process operation and good finished product performance.