Holder main body
AssigneeMori Seiki Co., Ltd.
InventorsGregory Aaron Hyatt, Abhijit Uday Sahasrabudhe, Tomohiko Hayashi
Life of this patent
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Abstract
There is provided a holder main body which has a simple structure, allows automatic tool change, and has high suction efficiency of cutting chips to be capable of preventing internal deposition. There is provided a holder man body having a mounting hole in which a cutting tool is attachable and attached to a spindle of a machine tool, the holder main body including: a second suction hole which penetrates through the holder main body in an axial direction so as to be connected with a first suction hole penetrating in the axial direction through the cutting tool attached in the mounting hole; and a third suction hole connected with the second suction hole and capable of sucking air other than suction air coming from the first suction hole.
Claims1
A holder main body having a mounting hole in which a cutting tool is attachable and attached to a spindle of a machine tool, the holder main body comprising:
- a second suction hole which penetrates through the holder main body in an axial direction so as to be connected with a first suction hole penetrating in the axial direction through the cutting tool attached in the mounting hole;
- and
- a third suction hole connected with said second suction hole and capable of sucking air other than suction air coming from the first suction hole,
- wherein a cross sectional area through said third suction hole is adjustable, and
- wherein said third suction hole has;
- a suction part which is formed as an opening extending in an axial direction in a ring member rotatably attached to the holder main body;
- and a connection part which is formed in the holder main body and via which the suction part and a vicinity of a connection portion between said first and second suction holes are connectable, and a substantial passage area of said third suction hole is adjustable by adjustment of an angle position of the ring member.
Dependencies are inferred from the claim text.