The steel ball production of the gel pen is a patented process. The steel wire is punched and cut or the steel wire is directly fed, and then directly extruded by a special extruder, or cut into small particles. When cutting or extruding, it is not a usable sphere, and it needs to be rolled at a high speed in the machine. At this time, the cut fine materials rub against each other at a high speed, and need to be sprayed to cool down and lubricate to keep the sphere uniform and equal. After being rolled at a high speed, it is formed into a usable small spherical shape. At present, the production of tiny balls is based on the water mist or aerosol method: the molten molten steel is sprayed at a high place, so that the stainless steel microbeads are naturally cooled in the air during the process of free fall. During this process, spraying water mist into the air at the same time will increase the cooling rate of the stainless steel microbeads.
Extended information:

Gel tip type:
1. Bullet type