High-speed air spindle
AssigneesKoushi Itoh, Shinohara Industry Inc., Tomoaki Murata
InventorsKoushi Itoh, Hirokatsu Shinohara, Tomoaki Murata
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Abstract
A high-speed air spindle including a spindle 1 supported by a first bearing 3 at the leading end side in the axial direction and a second bearing 2 at the rear end side, a driving air turbine 4 fixed in a spindle portion between the first bearing 3 and the second bearing 2, a speed-increasing air turbine 5 fixed in a spindle portion ahead of the first bearing 3, and an air passage 9 of an exhaust of compressed air supplied in the driving air turbine 4, flowing in the sequence of the first bearing 3 and the speed-increasing air turbine 5.
Claims7
A high-speed air spindle comprising:
- a spindle supported by a first bearing at the leading end side in the axial direction and a second bearing at the rear end side,
- a driving air turbine fixed in a spindle portion between the first bearing and the second bearing,
- a speed-increasing air turbine fixed in a spindle portion ahead of the first bearing, and
- an air passage of an exhaust of compressed air supplied in the driving air turbine, flowing in the sequence of the first bearing and the speed-increasing air turbine.
Dependencies are inferred from the claim text.