The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2007
Filed:
Dec. 22, 2003
Makoto Akama, Fukuoka, JP;
Makoto Akama, Fukuoka, JP;
Kabushiki Kaisha Yaskawa Denki, Fukuoka, JP;
Abstract
It is an object of the invention to provide a reverse rotation preventing electronic cam curve generating method of an electronic cam type rotary cutter control which serves to prevent the reverse rotation of a cutter. According to the invention, there is provided an electronic cam curve parameter setting unitfor previously calculating a critical cutting length Lfrom which an electronic cam curve passing through a point having an acceleration of 0 and a speed of 0 is obtained by setting a rotor diameter r of a rotary cutterthe number of blades M disposed at regular intervals on a rotor, synchronizing speed coefficients βand βfor regulating synchronizing speeds in cutting, and synchronizing angles θand θ, comparing the critical cutting length Lwith a set cutting length Lof a processed product set by an operator, and generating an electronic cam curve pattern for preventing a reverse rotation when the set cutting length Lis greater.