One-way bearing manufacturing

In the bearing industry, there are many products bearing the internal structure parameters are almost the same, but such products, but not the level of vibration and noise, and compared with foreign products, so that the bearing industry must be solved is how to reduce the manufacturing process early bearing vibration and noise.
?? Matter what kind of products, the most fundamental measure is to reduce the ultra-fine grinding process of waviness, to avoid random bump injury, there are two main measures:
1 improve the machining plane precision grinding and superfinishing process reduces error reflection of the outer end face grinding and super positioning reference during processing. Improve the positioning reference surface shape accuracy; processing passes smoothly and without a bump hurt; rough allowance form and position errors can not be too large, especially in the remaining amount is small, too large error will cause the final grinding and ultra-fine end shape accuracy has not improved to the final quality, seriously affect the processing quality and consistency.
2 lower rolling surface vibration when ultra-fine grinding, get a good surface finish shape accuracy and surface quality in order to reduce vibration lines, grinding super machine must have good vibration resistance, bed and other important structural parts with vibration absorption, ultra-fine Whetstone machine oscillating system has a good anti-vibration performance; improve grinding speed, grinding abroad commonly used outer raceway 6202 60,000 spindle, grinding speed 60m / s or more, domestic general much lower, mainly due to the spindle and the main zys precision bearing performance limitations. In high-speed grinding, grinding force is small, thin grinding deterioration is not easy to burn, and can improve the precision and efficiency, low noise ball bearing great influence; spindle stiffness and movement speed characteristics of the low-noise ball bearing a great influence on the grinding vibration, the higher the stiffness, grinding speed on the grinding force change, the less sensitive to vibration grinding system smaller; improve spindle bearing support stiffness, random balancing technology to improve the grinding spindle vibration sex.