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:
Jun. 16, 2009
Filed:
Sep. 10, 2008
Toru Tokiwa, Kanagawa, JP;
Toru Tokiwa, Kanagawa, JP;
Amada Company, Limited, Kanagawa, JP;
Abstract
A method of cutting a workpiece using an endless band saw blade and a band saw machine are provided. The method includes suspending the endless band saw blade between a driving wheel and a driven wheel such that the workpiece may be cut by the endless band saw blade, applying at least a first pulse and a second pulse to a first motor rotating the driving wheel and a second motor rotating the driven wheel, respectively, wherein the pulses have phases opposite to each other, and cutting the workpiece. The band saw machine includes a driving wheel having a first motor and a driven wheel having a second motor. The band saw machine further includes a pulse applying module that applies at least a first pulse and a second pulse to the first motor and the second motor, respectively, wherein the pulses have phases opposite to each.