Pragmatism·Innovation·Excellence

As the "rotating heart" of mechanical equipment, the raceway profile, arc precision, and surface waviness of bearings directly determine the operating noise, smoothness, and service life of the equipment. With the upgrading of the new energy, high-end machine tool, and heavy equipment industries, the market's demand for high precision, low noise, and high consistency of bearings continues to rise. Traditional grinding and dressing processes have long been difficult to adapt to mass production requirements. Henan Shili has been deeply involved in the field of superhard tools, focusing on the core pain points of bearing grinding, and has solved the problem of precision mass production of bearings with customized diamond grinding wheel solutions.

In traditional bearing production, most enterprises still rely on single-point diamond pen dressing of grinding wheels. This highly manual process is prone to issues such as dressing trajectory deviation and distortion of the grinding wheel profile. The tool marks and uneven abrasive working surface resulting from segmented dressing will be directly replicated onto the bearing raceway, causing arc out-of-tolerance and excessive surface waviness, leading to issues such as abnormal noise, vibration, and instability during high-speed operation of the finished bearing. Batch quality fluctuates greatly, and it is difficult to stably control the yield rate. Meanwhile, frequent downtime for calibration and replacement of consumables severely disrupts the automated production rhythm and drives up overall production costs.

For grinding conditions involving various types of bearings such as deep groove balls, tapered rollers, and self-aligning rollers, Henan Shili's proprietary diamond grinding wheels break industry limitations through an integrated molding and dressing process. By abandoning reliance on manual experience and adopting a one-step cutting-in molding and dressing method, it can accurately replicate various complex raceway surfaces and transition arcs without segmented tool marks, ensuring that the dressed grinding wheel surface is uniform and sharp. This approach eliminates common issues such as raceway contour deviations and micro-vibration marks from the source, perfectly meeting the processing standards for high-end bearings with ultra-low waviness and high surface finish.

Relying on the mature dual-process system of electroplating and sintering, Shili optimizes the distribution and bonding strength of diamond particles, significantly enhancing the overall wear resistance and conformal performance of the roller. Under long-term high-frequency continuous dressing conditions, the profile degradation is minimal, making it less prone to particle shedding, wear deformation, and other issues. Its service life far exceeds that of traditional dressing tools. With stable and long-lasting precision performance, there is no need for frequent downtime for calibration and replacement, greatly improving the effective operational rate of the equipment and adapting to the large-scale, automated mass production pace of the bearing industry.

The product is also compatible with wet grinding production environments, resistant to corrosion from cutting fluids, and highly adaptable to working conditions. From conventional civilian bearings to high-end precision bearings for new energy motors, precision machine tools, wind power heavy industry, etc., it can provide one-to-one contour customization services, accurately matching processing needs of different specifications and precisions.

With years of deep industry experience, Henan Shili has always taken precise quality control as its core. Each roller undergoes precision grinding, contour inspection, and dynamic balance verification, with strict control over the precision of every detail. By replacing traditional extensive processes with standardized, high-precision finishing tools, we empower the bearing industry to improve quality, increase efficiency, and reduce costs, thereby helping domestic precision bearings steadily move towards high-end products.