Patents by Inventor Sakyo MATSUSHITA

Sakyo MATSUSHITA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Machine tool
    Patent number: 10766113
    Abstract: A machine tool is configured so that: a first frequency band comprising the main shaft characteristic vibration frequency and a second frequency band comprising the mechanical structure characteristic vibration frequency are set; thresholds are stored for each of the set frequency bands; vibration components are extracted for each of the frequency bands from the output of a vibration sensor; and when the vibration amplitude exceeds a threshold in either of the frequency bands, an alarm is sounded.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: September 8, 2020
    Assignee: MAKINO MILLING MACHINE CO., LTD.
    Inventor: Sakyo Matsushita
  • MACHINE TOOL
    Publication number: 20180354088
    Abstract: A machine tool is configured so that: a first frequency band comprising the main shaft characteristic vibration frequency and a second frequency band comprising the mechanical structure characteristic vibration frequency are set; thresholds are stored for each of the set frequency bands; vibration components are extracted for each of the frequency bands from the output of a vibration sensor; and when the vibration amplitude exceeds a threshold in either of the frequency bands, an alarm is sounded.
    Type: Application
    Filed: December 11, 2015
    Publication date: December 13, 2018
    Applicant: MAKINO MILLING MACHINE CO., LTD.
    Inventor: Sakyo MATSUSHITA