In the experimental parameters, the Ra value showed a decreasing trend when the spindle speed increased from 100 rpm to 300 rpm, the lowest Ra value was 0.9 μm at 300 rpm, and the Ra value continued to increase to 263 μm as the spindle speed increased beyond 300 rpm, which occurred at 900 rpm.
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Investigation of Spherical Al<sub>2</sub>O<sub>3</sub> Magnetic Abrasive Prepared by Novel Method for Finishing of the Inner Surface of Cobalt-Chromium Alloy Cardiovascular Stents Tube.
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