The rough machining process in mechanical processing is mainly used to quickly remove large pieces of material and rough process the workpiece into the desired shape, so as to make the subsequent processing more convenient and efficient.
The purpose of rough machining is to quickly remove the blank allowance. Generally, large feed and cutting depth are selected to remove as much chips as possible in a short time.
Therefore, rough machined products often have low precision, rough surface and high productivity.
Rough machining is often the preparation for semi finishing and finishing, which cannot provide good surface finish and tight tolerance.
Rough machining changes the shape of forged stock into that which is required by customers. The process of forging increases the strength, soundness, and hardness of stock and improves the metal’s mechanical properties.
Raw or cast metal stock has uneven grain structures which can weaken the quality of the final product after machining. Forged stock offers a refined, even grain structure with higher densities and less porosity that results in a higher quality product.
