US 11,833,630 B2
Machine tool with removable workpiece support
Seiichi Hattori, Florence, KY (US); Masaharu Onji, Florence, KY (US); Shunsuke Koike, Florence, KY (US); and Takahiro Fukuda, Union, KY (US)
Assigned to YAMAZAKI MAZAK CORPORATION, Aichi (JP)
Filed by Mazak Corporation, Florence, KY (US)
Filed on May 28, 2021, as Appl. No. 17/334,604.
Prior Publication US 2022/0379416 A1, Dec. 1, 2022
Int. Cl. B23B 9/04 (2006.01); B23Q 1/26 (2006.01); B23B 39/10 (2006.01); B23Q 15/12 (2006.01); B23B 3/06 (2006.01)
CPC B23Q 1/26 (2013.01) [B23B 3/065 (2013.01); B23B 39/10 (2013.01); B23Q 15/12 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A machine tool comprising:
a workpiece holding shaft;
a workpiece supporting shaft;
a tool holder associated with the workpiece supporting shaft for holding at least one tool;
a drive operable to rotate the workpiece holding shaft and the workpiece supporting shaft around an axis;
a work holder of the workpiece holding shaft configured to secure a workpiece to the workpiece holding shaft;
the workpiece holding shaft and the workpiece supporting shaft axially shiftable relative to one another to adjust a position of the workpiece relative to the workpiece supporting shaft;
a removable workpiece support configured to be releasably connected to the workpiece supporting shaft and rotate therewith, the workpiece support configured to slidably contact the workpiece and permit axial movement of the workpiece relative to the workpiece support; and
the workpiece holding shaft having an axially extended position relative to the workpiece supporting shaft that permits a probe to be connected to the workpiece holding shaft with the workpiece support removed from the workpiece supporting shaft.