In mold manufacturing, slow-wire filters play a critical role in maintaining the purity of machining fluids by effectively removing fine particles and impurities. This ensures that the cutting process is precise and consistent, which is essential for achieving high-quality molds. By maintaining fluid cleanliness, these filters help improve both the surface finish and dimensional accuracy of molds, reducing the chances of defects. Additionally, slow-wire filters extend the lifespan of machining fluids and reduce downtime due to fluid replacement or equipment wear, allowing for smoother, more cost-effective operations.