Grinding Process
Rough Machining (Pre-Grinding): After the bearing steel blanks are forged and heat-treated for hardness, the raw rings are rough-ground on their outer diameters,inner diameters, and flat end faces to bring them close to final dimensions . Raceway (Groove) Grinding: The defining feature of a deep groove bearing is its curved raceway. This is ground using precisely profiled abrasive stone wheels or vitrified CBN (Cubic Boron Nitride) wheels to achieve the exact groove curvature (radius) required for the steel balls. Nternal & external grinding: the inner and outer rings are separated to grind their inner and outer circumferences on dedicated machines to guarantee flawless roundness and exact diameters. Honing and Superfinishing: Following the initial grinding, the raceways undergo a honing or polishing process using fine-grain abrasive stones lubricated with oil. This eliminates microscopic surface defects and creates a mirror-like finish, which minimizes frictional torque and running noise.
TEMPERING
HOUSING HIGH-FREQUENCY QUENCHING
FINAL FINSHIED PRODUCTS
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