Air China Harbin Bearing won the new technology patent for bearing steel ball streamline evaluation
On September 1, 2024, AVIC Harbin Bearing Co., Ltd. successfully obtained a new patent named "High-performance bearing steel ball streamline evaluation Method", patent number CN116305620B, its application date is February 2023. As mentioned in the patent description, this evaluation method is for the evaluation technology of high-performance bearing steel ball flow lines. It solves the problem that the traditional evaluation of metal flow line of bearing steel ball mainly relies on production and experimental experience, and does not form a set of scientific and reasonable evaluation system. The specific evaluation process is divided into several stages: first, the corrosion treatment or simulation test of the metal flow line; The second is to measure the proportion of metal flow lines at both ends of the bearing steel ball; The second is to evaluate the shape consistency of the metal flow line. Finally, the irregularity of the metal flow line on the belt is evaluated. The whole evaluation process is evaluated by three key parameters: metal flow line exposure η, shape consistency ρ and band irregularity σ. The invention will be applied to the evaluation of high performance bearing ball flow lines
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