Superfinishing, also known as microfinishing, is a machining process that refines surface finishes to achieve incredibly smooth surfaces, typically with a roughness average (Ra) of 1-2. This process not only enhances surface smoothness but also improves workpiece geometry and can significantly extend the lifespan and durability of parts. This process
Key aspects of superfinishing:
- Surface Refinement: Superfinishing removes microscopic layers of material to eliminate surface imperfections left behind by previous machining processes.
- Low Ra Value: It achieves very low Ra values (1-2 Ra), indicating a high level of surface smoothness.
- Improved Geometry: The process can also enhance the overall shape and dimensional accuracy of the workpiece.
- Increased Durability and Life: By reducing surface friction and wear, superfinishing can lead to a substantial increase in the lifespan of parts, sometimes up to four times longer.
- Applications: Superfinishing is used in various industries, including steel and soft metal processing, such as aluminum, to enhance the performance of components and ensure a high quality finish where the surface finish is critical to the final product.