US Patent Issued to MITSUBISHI HEAVY INDUSTRIES on April 29 for "Endmill specification design method, cutting condition detecting method, and processing method" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,813, issued on April 29, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Endmill specification design method, cutting condition detecting method, and processing method" was invented by Jun Eto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an endmill. The maximum spindle speed, per one minute, of a main spindle to which the endmill is attached is Smax. The number of teeth of the endmill is N. The outer shape of the endmill is Da. The natural frequency at which vibrations at the end of the endmill reach a maximum level is Omega1. Omega1 and/or N are set so that when the diameter-direction infeed amount of the endmill is s...