The quality of original stainless-steel plate is directly related to the quality of the final disc, such as durability, reliability, etc. Therefore, we use steel plates from well-known brands only. In the cutting process of the original stainless-steel plate, high-power laser cutting is used, which is accurate and efficient. Normal temperature spinning is the key point in the whole manufacturing process. The use of CNC spinning machine ensures that the spinning slope is round and smooth. Then, with the cooperation of the custom mold, the small end of the disc is punched and opened, so that the disc can be nested on the distributor. In the next step of cutting the edge of the large tapered end, the use of special fixtures ensures the excellent coaxiality of the outer circle of the large diameter of the disc, which is beneficial to reduce the vibration level of the entire bowl at high speed. The CNC polishing machine can automatically complete the polishing of the inner and outer surfaces of the disc under the control of the computer program. At the same time, according to the needs of the processing technology of the disc centrifuge, the disc can be electropolished to make its surface finish Ra < 0.5 to meet the relevant GMP requirements. After the polishing is completed, open the distribution hole on the tapered surface of the disc. In some disc separator designs, the distribution hole on the disc is sometimes just a semi-circular notch. Spot welding is another key step in the disc manufacturing process. It is necessary to ensure that the rib or the spacer is firmly attached to the disc conical surface, and to reduce the gap between the spacer and the conical surface as much as possible, to ensure the bowl can be cleaned quickly and thoroughly during CIP process.