2. Install the selected mold on the straight barrel rounding machine, and adjust the height and inclination of the mold through the up-and-down adjusting device of the straight barrel rounding machine.

3. Put the raw materials of the conical products on the conveying device of the straight barrel spheronization machine, and start the spheronization machine. Because the raw materials are constantly involved in the mold, the straight barrel rounding machine will automatically roll out the conical products that meet the requirements according to the shape and parameters of the mold.