Title:
マシニングセンタ
Document Type and Number:
Japanese Patent JP5030606
Kind Code:
B2
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 center 1 comprises a rotary table 20 that moves in the direction of an X-axis on a bed 10, and a cross rail 40 supported by a column 30 and moving in the direction of a Z-axis. A first main spindle unit 60 is attached to a saddle 50 supported by the cross rail and moving in the direction of a Y-axis. The first main spindle unit 60 is equipped with a first main spindle 70 that rotates around a B-axis. A second main spindle unit 100 disposed between the first main spindle unit 60 and the saddle 50 is equipped with a ram shaft 110 that 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.
Inventors:
Satoshi Okada
Kintoki Tomohiro
Masataka Tanase
Kintoki Tomohiro
Masataka Tanase
Application Number:
JP2007019639A
Publication Date:
September 19, 2012
Filing Date:
January 30, 2007
Export Citation:
Assignee:
Yamazaki Mazak Corporation
International Classes:
B23P23/00; B23B3/16
Domestic Patent References:
| JP2007000966A | ||||
| JP11179628A | ||||
| JP2005279835A | ||||
| JP5305537A | ||||
| JP195301U |
Foreign References:
| DE102004058891A1 | ||||
| US5980172 |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office