US Patent Issued to Suzhou University of Science and Technology on May 20 for "Calculating method for natural frequency of toolholder-tool system of machine tool spindle" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,605, issued on May 20, was assigned to Suzhou University of Science and Technology (Suzhou, China).

"Calculating method for natural frequency of toolholder-tool system of machine tool spindle" was invented by Siyuan Bao (Suzhou, China), Tingting Chang (Suzhou, China) and Jiahang Wang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A calculating method for natural frequency of toolholder-tool system of machine tool spindle is provided. The equivalence of bending stiffness of a toolholder part including that: a toolholder in the toolholder-tool system is a first segment, and section moment of inertia, elastic modulus, density, length and...