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US 8,556,551 B2Granted
Cutting tool having a shank-mounted adjustment ring
AssigneeIscar, Ltd.
InventorGil Hecht
Life of this patent
Estimating the term…
Abstract
A cutting tool has a shank with a circumferential groove and an adjustment ring releasably secured to the shank at the groove. The adjustment ring has a threaded through bore in which a screw is screw mounted and engages the groove. The adjustment ring has an adjustment member which engages the groove and which is positioned diametrically opposite the threaded through bore. When the screw is tightened it exert a purely radially directed force on the groove thereby inducing displacement of the adjustment member radially inwardly and the adjustment member exerts non-radially directed forces on the groove, thereby inducing a bending moment on the shank for correction of radial runout.
Claims23
A cutting tool (10) comprising:
- a shank (16) having a circumferential groove (26);
- an adjustment ring (22) releasably secured to the shank (16) at the groove (26), the adjustment ring (22) comprising:
- a threaded through bore (40) in which a screw (24) is screw mounted, the screw (24) projecting inwardly of the adjustment ring (22) for engaging the groove (26);
- an adjustment member (44) for engaging the groove (26), the adjustment member (44) being positioned diametrically opposite the threaded through bore (40) and projecting inwardly of the adjustment ring (22);
- wherein
- the screw (24) is rotatable in the threaded through bore (40) to exert a purely radially directed force on the groove (26), thereby inducing displacement of the adjustment member (44) radially inwardly, whereby the adjustment member (44) exerts non-radially directed forces on the groove (26), thereby inducing a bending moment on the shank (16).
3 more elements
A cutting tool (10) comprising:
- a shank (16) having a circumferential groove (26);
- an adjustment ring (22) releasably secured to the shank (16) at the groove (26), the adjustment ring (22) comprising:
- a peripheral inner surface (32) and a peripheral outer surface (34), the peripheral inner surface defining a central through hole (38) in which the shank is located;
- a threaded through bore (40) connecting the peripheral outer surface (34) with the central through hole (38);
- an inwardly projecting adjustment member (44) located diametrically opposite the threaded through bore (40);
- and
- a screw (24) screw mounted in the threaded bore (40) of the adjustment ring (22) and engaging the groove (26);
- wherein:
- the screw (24) exerts a purely radially directed first force on the groove (26) in a direction of the adjustment member (44);
- and
- the adjustment member (44) exerts non-radially directed forces on the groove (26).
8 more elements
A cutting tool assembly (10) comprising:
- a shank (16) having a circumferential groove (26);
- an adjustment ring (22) comprising:
- a peripheral inner surface (32) and a peripheral outer surface (34), the peripheral inner surface defining a central through hole (38) shaped and sized to receive the shank (16);
- a threaded through bore (40) connecting the peripheral outer surface (34) with the central through hole (38);
- an inwardly projecting adjustment member (44) located diametrically opposite the threaded through bore (40);
- and
- a screw (24) configured to be threadingly received in the threaded bore (40);
- wherein the assembly is adjustable between:
- a first position in which:
- the screw (24) is screw mounted in the threaded through bore (40) of the adjustment ring (22);
- and
- the adjustment ring (22) is loosely secured to the shank (16) at the groove (26) and can be rotated about the shank (16);
- and
- a second position in which:
- the screw (24) exerts a purely radially directed first force on the groove (26) in a direction of the adjustment member (44);
- the adjustment member (44) exerts non-radially directed forces on the groove (26);
- and
- the adjustment ring (22) is no longer loosely secured to the shank (16) and cannot be rotated about the shank (16).
15 more elements
A cutting tool shank adjustment ring (22), comprising:
- a peripheral inner surface (32) and a peripheral outer surface (34), the peripheral inner surface defining a central through hole (38);
- two support surfaces (50) protruding inwardly from inner peripheral surface (32), the two support surfaces facing each other and located diametrically opposite each other;
- a single threaded through bore (40) connecting the peripheral outer surface (34) with the central through hole (38);
- and
- an inwardly projecting adjustment member (44) located diametrically opposite the threaded through bore (40), the adjustment member (44) comprising:
- an inwardly facing inner surface (46) which faces the single threaded through bore (40);
- and
- two edge surfaces (48) extending away from the inner surface (46) and diverging away from each other.
5 more elements
Dependencies are inferred from the claim text.