1. Preparation of Material::
The extrusion process begins with the preparation of the raw material, usually in granule or powder form. This material is usually placed in a hopper or feed roller.

2. Heating the Material:
The prepared material is fed into a machine called an extruder. The extruder usually uses heaters and a screw-like mechanism to heat and melt the material. The material is heated here and becomes viscous and reaches a fluid consistency.

3. Extruding:
The molten material is passed through the exit pipe or exit die of the extruder. This mold allows the material to take the desired shape. For example, a mold used in the production of plastic pipes is designed to convert a flow of molten plastic into a pipe shape.

4. Cooling and Shaping:
After the material leaves the mold, it is subjected to a cooling process. This allows the material to harden and take its desired shape. Cooling is usually accomplished using air, water or another cooling medium.

5. Cutting and Processing:
The cooled and shaped material is cut into specific lengths or pieces. This step is usually performed with automatic cutting machines or other cutting equipment. Next, the products may be packaged or undergo other processing.

6. Control and Quality Assurance:
During the extrusion process, it is constantly checked to ensure the quality of the product. This involves meticulous control over the size, shape, thickness and other characteristics of the product. Quality assurance protocols are implemented to ensure that products comply with standards.