Mixing is the process of mixing various required powders in a certain proportion and homogenizing them into powder blanks. There are three mixing methods: dry, semi dry and wet. In the process of powder premixing, due to the different specific gravity of particles of different components, segregation will occur in the process of powder mixing. Tianshi Powder Metallurgy Binder can effectively improve segregation. Due to the different particle sizes and uneven distribution in the powder, porosity will increase. The binder can make the particles reasonably distributed, fill the pores, and improve the compact strength.

How to prepare batches of powder with relatively stable physical and chemical properties

1. First, the quality of the powder is the source of assurance, and then focus on the process control to achieve fine quality adjustment.

2. Ensure the stability of raw materials for large batches of powder, and try to use the same batch of raw materials.

3. Clean the mixing device to avoid mixing excess powder, and add the same powder in proportion.

4. The control in the production process is stable. Control the production process and implement it according to the requirements of TS16949. There will be improvements and no detailed listing.

Maintenance of mixer

The blender is not easy to rust when it is often used. Before mixing, put several bags of iron powder and dry mix them for a period of time. The iron powder can still be used after sieving. It is recommended not to add spindle oil as much as possible. It is easy to agglomerate when oiling and mixing. It is easy to stick the iron powder to the inner wall of the blender. As long as the mixing time is enough, segregation will not occur without oiling. If possible, add a little adhesive