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. 10, 2009
Filed:
Nov. 02, 2007
Satoshi Okada, Aichi pref., JP;
Tomohiro Kintoki, Aichi pref., JP;
Masaki Tanase, Aichi pref., JP;
Yamazaki Mazak Corporation, Aichi Pref, JP;
Abstract
The invention provides a machining center having a first main spindle unit and also a second main spindle unit with a ram shaft attached to a vertical machining center. A machining centercomprises a rotary tablethat moves in the direction of an X-axis on a bed, and a cross railsupported by a columnand moving in the direction of a Z-axis. A first main spindle unitis attached to a saddlesupported by the cross rail and moving in the direction of a Y-axis. The first main spindle unitis equipped with a first main spindlethat rotates around a B-axis. A second main spindle unitdisposed between the first main spindle unitand the saddleis equipped with a ram shaftthat moves in the direction of a W-axis and a turning head or a milling head that is replaceably attached to the leading end of the ram shaft.