With the development of the petroleum industry, the demand for oil well drilling tools has also greatly increased, with cemented carbide balls particularly prominent.
1. its one end is a ball head the mold cavity is retracted, the upper die punchJinxin tungsten carbide buttones down into the female die;
2. After the upper die punch is compressed to a certain stroke, it is lowered together to press the powder once;
3. The female die is lowered to After setting the position, it stops and the upper die punch continues to descend.