Nsk Corporation

Tsudakoma Corp.

Hiroki Yoneyama

Yoshinori Tatsuda

Yoshiaki Katsuno

Yoshifumi Inagaki

Osamu Iwasaki

Shoichiro Oguri

A spindle device () includes: a bracket () swingably mounted on a support arm () and having a tubular portion () substantially perpendicular to the swing axis of the bracket (); and, a spindle () including a rotation portion () capable of mounting a tool onto the leading end thereof, a housing () insertably and removably mounted on the tubular portion () of the bracket () and having a mounting surface () disposed opposed to the surface of the bracket (), and bearings (and) respectively interposed between the rotation portion () and housing () for supporting the rotation portion () rotatable relative to the housing (). In the mounting surface () of the housing (), there are formed flow passage openings () for fluid which are supplied to the spindle ().

Spindle device, machining center including the spindle device, and method for assembling the spindle device

To provide a spindle device and a machining center, in which spindle replacement can be carried out in an extremely short time, downtime during maintenance is short, and productivity is high. In a spindle device, there are provided wiringsextended from a spindleand wired to support arms via a bracket, and joint components, each provided at a position a predetermined length extended from extended parts for the wirings, are accommodated within the bracket

Spindle device and machining center including the same

Growing community of inventors

Maebashi, Japan

Hiroki Yoneyama