Reduce Particle-Induced Scratches,
Improve Ground Surface Quality
An automotive steering-component manufacturer installed FMF 420/6 magnetic filtration in its grinding coolant system. Subsequent sample analysis found no detectable particles. Component surface quality improved substantially, and no further grinding-quality complaints were recorded. The customer then fitted a second system with the same filter.
Case Background
A steering-component manufacturer grinds individual automotive parts to extremely tight tolerances. The demanding quality standard requires scratch-free surfaces and a uniform grinding pattern.
Grinding-Quality Problems
To achieve the required surface quality, the grinding coolant must be exceptionally clean. Particles entering the contact zone between the grinding wheel and the workpiece can create deep scratches or grooves and cause rejects.
Cartridge filters with different ratings were already in use. Although coolant cleanliness was relatively good, complaints about the grinding pattern continued.
The company sought to remove as many fine particles as possible, including particles below 1 µm, without high consumable-filter costs.
Solution: FMF 420/6 Magnetic Filtration
Installing a FRIESS FMF 420/6 magnetic filter significantly improved coolant purity.
Particle analysis after installation showed that the coolant delivered through the nozzles to the grinding wheel and workpiece was free of detectable particles.
The cleaner coolant produced a marked improvement in the surface quality of the machined parts. No further complaints have been recorded since the magnetic filter was installed.
Following the successful result, a second system was also equipped with an FMF 420/6.
Explore Our Solutions
Fine particles in your grinding coolant causing scratches or rejected parts?
Please share the number of grinding machines, coolant type, tank capacity, circulation flow rate, particle material and size, existing filtration method and surface-quality requirements. Our China engineering team can assess whether the particles are magnetic and recommend an FMF magnetic filter configuration and installation arrangement suited to your conditions.