The present invention relates to an assembly of a double-sided indexable cuffing insert and a reinforcing part, which is used to process metallic materials and the like, The polygonal, double-sided indexable cutting insert of the present invention comprises a plurality of convex portions at each corner portion. Th...

Abstract The present invention provides a new surface treatment method, which can perform coated surface treatment on a cutting edge R and a rake surface, while maintaining a radius of curvature of the cutting edge R and uniformly surface -treating the rake surface. The surface treatment method of the present inven...

The present invention relates to a cutting tool for machining large workpieces having relatively a large cutting amount and a cutting insert configured to be used with said cutting tool. The cutting tool comprises a cutting insert and a wedge for clamping the cutting insert. The cutting insert has a polygonal top su...

The present invention discloses a cutting insert which can be mounted stably to the small-diametered cutter with a sufficient mounting surface and has a plurality of comer cutting edges. The cutting insert according to the present invention has a shape having an upper face and a lower face being opposite to each ...

An insert according to the present disclosure comprises upper and lower surfaces joined by peripheral side surfaces provided with a through-hole extending between the upper and lower surfaces, each of the upper and lower surfaces comprising two raised portions and a central notch. The two raised portions adjoin ...

A polygonal cutting insert for right angle machining has opposed upper and lower surfaces a peripheral side surface interconnecting the upper and lower surfaces and having curved first and fourth side surfaces and plane second and third side surfaces and main and secondary cutting edges alternately formed along the ...

The present invention provides a device and a method for manufacturing an end mill, wherein a grinding amount of a blank end mill is small. The device for manufacturing an end mill comprises: upper and lower punches; a die; a means for supplying a powder of material for the end mill; and a means for eliminating the ...

The present invention relates to a drill comprising inner and outer inserts. A drill of the present invention comprises: a drill body having a rotational axis; an inner insert mounted adjacent to the axis at a proximal end of the drill body having an axis-symmetrical contour having four cutting edges and four rounde...

A cutting insert of the present invention has a top surface and a bottom surface having a parallelogram shape, and four side surfaces connecting the top and bottom surfaces. One or more primary cutting edges are formed at intersections between the top and bottom surfaces and two opposing side surfaces. Secondary cut...

The present invention discloses a cutting insert for a machining tool having a structure being capable of controlling effectively chips generated on a work-piece. A cutting insert according to the present invention includes an upper surface, a lower surface, a plurality of side surfaces connecting the upper surface ...

The present invention relates to a cutting insert having improved main cutting edges and a milling cutter provided with the same. In a cutting insert according to the present invention, main cutting edges positioned along both lengthwise edges of a front surface have a wave shape and are asymmetrical with each o...

There is provided an insert clamp for securing a cutting insert to a tool holder, the cutting insert having a central hole with its axis perpendicular to an upper surface, comprising: a forward protrusion to be received in the central hole of the insert, a central body portion provided with a pressing part to press ...

A cutting tool assembly is disclosed which comprises a cutting head having a flat coupling face provided with a multilateral recess, a shank having a flat coupling face provided with a multilateral recess corresponding to that of the cutting head, and a multilateral coupling plate fit complementarily into the int...

The present invention relates to a cutting tool for drilling having inserts in the same shape and being capable of discharging a chip in a chip flute. The cutting tool comprises: a body including a chip flute; and indexable inner and outer cuffing inserts disposed in an insert pocket formed at an end of the chip flu...

The present invention relates to an apparatus for clamping a culling insert to a tool holder. The present invention comprises a tool holder, comprising: a cutting insert pocket and a mounting bore; a clamp lever comprising a clamp portion and a lever portion placed in the mounting bore; and a fixing screw. The fixin...

The present invention relates to a cutting tool capable of both drilling and internal/external turning. The cuffing tool comprises a generally triangular-shaped cuffing insert and a tool holder. On each side, the triangular-shaped cuffing insert forms a major cutting edge and a minor cuffing edge, which is shorter t...

1212The cutting tool of the present invention comprises a base material and a multi layer coating formed thereon. The multi layer coating comprises an A layer a B layer and a C layer repeatedly deposited in the order of A layer C layer and B layer from the base material toward an outer surface of the multi layer coa...

The cutting insert according to the present invention comprises an upper face and a lower face; a front side face portion and a back side face portion, the front and back side face portions connecting the upper face and the lower face; and a through-hole passing through the upper face and the lower face, wherein ...

The present invention provides a cutting insert comprising a top surface, a bottom surface, a plurality of side surfaces that connect the top and bottom sir- faces and form an obtuse angle with the bottom surface as well as an acute angle with the top surface. The side surfaces comprise a first side surface and a se...

The present invention discloses a tangential cutting insert suitable for machining right angled wall surface with a minimized cutting resistance from the machined planar surface of a workpiece. A tangential cutting insert according to the present invention has a generally hexahedral shape with a front end surface, ...

Abstract CUTTING TOOL The present invention is directed to a cutting tool, comprising: at least one cutting insert; a tool body including a pocket portion to which the cutting insert is mounted; a means for fixing the cutting insert to the pocket portion of the tool body; and a screw for finely adjusting the posit...

Abstract A cutting tool including a fine and uniform alumina-based substrate is disclosed herein. In an exemplary embodiment, the alumina-based substrate includes 0.1 to 25% by volume of one or more metal oxides, or 5 to 80% by volume of metal carbonitride and 0.01 to 10% by volume of one or more metal oxides. Meta...

The present invention relates to a cutting insert capable of using upper and lower faces thereof. The upper face has a polygonal shape with curved edges. The lower face has a rotationally symmetrical relation to the upper face. Flank faces connect edges of the upper face to corresponding edges of the lower face. Upp...

Abstract CUTTING INSERT AND CUTTING TOOL THEREWITH The present invention provides a cutting insert and a cutting tool used with the same. A tool body includes a t least one seating surface and a threaded hole extending as slanted with respect to eh seating surface. At least one cutting insert having a mounting hol...

A cutting insert of the present invention has a body, auxiliary cutting edges of a convex curve shape and main cutting edges. The body has a top surface, a bottom surface, side surfaces connecting the top and bottom surfaces, and corner surfaces connecting the adjacent side surfaces. The auxiliary cutting edges are ...

The present invention relates to a cutting tool for machining metallic materials and a cartridge for mounting cutting inserts to the cuffing tool. The cutting tool has at least one cutting portion having a cartridge and a cartridge pocket. The cartridge pocket has a top surface, a rear supporting surface and a botto...

The present invention relates to a double-sided cuffing insert and a cuffing tool using the same. The cuffing tool comprises: a tool body; and at least one double- sided cuffing insert mounted on the tool body. The tool body includes at least one insert pocket for receiving the at least one double-sided cuffing inse...

The present invention relates to a cutting tool and a cutting insert used for the cutting tool. The cutting tool includes one or more cutting portions. Each of said cutting portions comprises a cutting insert and an insert pocket for mounting the cutting insert. The insert pocket comprises a top surface with one or ...

The present invention generally relates to cutting tools, and more particularly to a multi-functional cutting too, which can be used for a turning process as well as a drilling process. The multi-functional cutting tool of the present invention comprises: a shank having a flat surface to be fixed to a cutting device...

The present invention relates to an internal groove insert. The internal groove insert comprises: a rectangular main body comprising a top surface a lower surface and first to fourth lateral surfaces; and first and second projections each projecting from the adjacent first and second lateral surfaces. The first proj...

A clamp assembly for fastening a cutting insert to a tool holder is disclosed herein. The clamp assembly comprises: a body portion provided with a screw hole, a forward protrusion formed at the front portion of the body and extending downward, a rear protrusion formed at the rear end portion of the body and exte...

The present invention discloses a cutting insert for a machining tool having a structure being capable of controlling effectively chips generated on a work-piece.  The cutting insert according to the present insert has an upper surface, a lower surface, a plurality of side surfaces connecting the upper surface and t...

The present invention generally relates to a cutting tool. The objective of the present invention is to provide a cutting tool, which is configured to be simple in structure, while being capable of reliably securing a cutting insert to the pocket part of the main body of the tool. The cutting tool of the present inv...

The present invention relates to cutting tools and a method for treating a surface thereof. The present invention provides a method for treating a surface of a cutting tool, the method including blasting the surface of the cutting tool using a granular abrasive and brushing the blasted surface of the cutting tool...

A cutting insert is disclosed herein. The cutting insert comprises an upper face and a lower face opposite to each other, a plurality of side faces connecting the upper face and the lower face, and a through-hole passing through the upper face and the lower face. The upper face comprises an upper cutting edge fo...

A tool holder assembly for multifunctional machining, comprises :a cylindrical body with a rotation axis ;a head part having a pocket for receiving one cutting insert;a chip groove starting from the head part to a rear side of the tool holder body for serving as a moving passage for chips ;...

A hexahedral shaped cutting insert is disclosed which has an upper surface a lower surface a plurality of side surfaces connecting the upper surface and the lower surface and a central hole passing through the upper and lower surfaces. The lower surface has a flat mounting surface and the upper surface is curved con...

The present disclosure provides a cutting tool assembly for cutting a workpiece. The cutting tool assembly includes an insert having an upper surface that has a quadrilateral shape so as to include first to fourth insert corner portions, and a shim configured to support the insert. The insert includes an upper surfa...

A cutting tool assembly includes: a cutter body extending perpendicularly from a bottom surface and including a cylindrical portion with a rotational axis; insert pockets disposed and formed concavely in the bottom surface and the cylindrical portion to be spaced apart from each other along a circumferential directi...

A cutting insert includes: an upper face including a virtual reference surface and an upper inclined surface extending to be inclined upward from the virtual reference surface; a lower face disposed below the upper face and including a lower inclined surface extending to be inclined with respect to the virtual refer...

An insert configured to be assembled to a tool for cutting a workpiece, includes: an upper surface including first to fourth upper corner portions formed in respective quadrants divided by a first imaginary vertical axis and a first imaginary horizontal axis that are perpendicular to each other; and a lower surface ...

A cutting insert capable of performing front-turning and high feed back-turning according to one embodiment includes: an upper surface; a lower surface opposite to the upper surface in a vertical direction; a side portion configured to connect the upper surface and the lower surface; a mounting hole extending throug...

A cutting insert includes an upper surface, a lower surface opposite to the upper surface, a first side surface and a second side surface configured to connect the upper surface and the lower surface, a mounting hole formed to penetrate the upper surface and the lower surface, a first cutting edge formed at an edge ...

Provided is a cutting tool assembly comprising a tool shank comprising a coupling opening: and an insert holder comprising an insert body to which an insert is coupled and detachably attached and a coupling protrusion protruding from one surface of the insert body and detachably coupled to the tool shank, wherein a ...

Embodiments of a cutting insert are provided. The cutting insert includes an upper surface, a lower surface, a plurality of side surfaces extending between the upper surface and the lower surface, an insert hole extending through the upper surface and the lower surface, and a corner portion provided with a cutting e...