Patent ID: 11926010
Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A processing apparatus comprising:
an apparatus main body comprising:
a base portion that is:
a movable spindle of a numerical control (NC) machine tool, or
a movable arm of a multi-axis robot; and

a liquid supply unit that is configured to supply a liquid to the base portion;

a chuck portion connected to the base portion and including an attachment hole that is open outward;
a processing tool detachably mounted on the chuck portion and that comprises:
a cylinder fitted into and held by the attachment hole;
a drive unit disposed inside the cylinder and comprising a rotating body configured to rotate around a central axis by the liquid introduced from the liquid supply unit via the base portion;
a rotary shaft protruding outward from an inside of the cylinder along the central axis and configured to rotate integrally with the rotating body; and
a tool portion connected to a tip of the rotary shaft; and

an outer cylinder:
of which one end is non-rotatably connected to the cylinder,
that extends along the central axis, and
that includes an outer cylinder insertion hole into which the rotary shaft is inserted.