The deep hole rolling tool is the final finishing tool of the hydraulic cylinder, also called the finishing tool. In the past, our factory has been using the general-purpose tapered roller rolling tool in the cylinder manufacturing industry. Although the inner hole precision of the cylinder can reach H9 and R_a0.4, the inner hole still has uneven micro-knife marks, and there is a hand feeling when touched. The tool also has defects such as difficulty in manufacturing, high cost, low precision, and short life of the column, which affects the further improvement of product quality.
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