US 12,005,511 B2
Machine tool
Takayuki Ishikawa, Shizuoka (JP); and Hiroyuki Ogasawara, Shizuoka (JP)
Assigned to STAR MICRONICS CO., LTD., Shizuoka (JP)
Filed by STAR MICRONICS CO., LTD., Shizuoka (JP)
Filed on May 27, 2022, as Appl. No. 17/827,445.
Claims priority of application No. 2021-089946 (JP), filed on May 28, 2021.
Prior Publication US 2022/0379386 A1, Dec. 1, 2022
Int. Cl. B23B 29/32 (2006.01); B23B 13/02 (2006.01); B23B 27/06 (2006.01); B23Q 39/00 (2006.01); B23Q 39/02 (2006.01)
CPC B23B 29/326 (2013.01) [B23B 13/02 (2013.01); B23B 27/065 (2013.01); B23Q 2039/008 (2013.01); B23Q 39/027 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A machine tool comprising:
a spindle capable of holding a workpiece and rotatable on a spindle axis; and
a tool post on which a tool is attachable, the tool being capable of machining the workpiece held by the spindle;
the tool post further comprising:
a first turnable holder turnable on a first turning axis perpendicular to the spindle axis, the first turnable holder having a first tool mounting part where the tool is attachable,
a second turnable holder turnable on a second turning axis perpendicular to the spindle axis and different from the first turning axis, the second turnable holder having a second tool mounting part where the tool is attachable, and
a motor configured to commonly drive the first turnable holder and the second turnable holder.