Class / Patent application number | Description | Number of patent applications / Date published |
407040000 | With separate means to fasten tool to holder | 66 |
20080199264 | Clamping Assembly For A Cutting Insert - The clamping assembly includes a cutting insert with a lower passage housing a screw with a head for clamping the cutting insert against a bearing surface provided on a tool holder and comprising a screwing hole, wherein the screw head is shaped and arranged so as to press only on one side, with a flared opening, of the screw hole, the passage has a template incompatible with a template of the head in the clamping position, and, outside of the clamping, the cutting insert and the screw can change mutually relative positions so as to harmonize the two templates and thus release the cutting insert without having to entirely unscrew the screw. | 08-21-2008 |
20080206002 | Sleeve for reversible cutting tool - A cutting tool has a first cuffing end, a second cutting end, a shoulder at an interface between the first cutting end and the second cutting end, and a shield removably mounted on one of the first cutting end and second cutting end. The cutting ends each have a cutting tip at a distal end, a body portion, a recess in the body portion and a retainer positioned in the recess. Cutting ends can be mirror images of each other, or may be non-mirror imaged, for example with different gage lengths, to accommodate different operating conditions. One of the cutting ends is mounted in a holder and the shield protects the retainer and recess features on the operating cutting end. A combination of a reversible cutting tool and a sleeve and/or block holder system, an apparatus for cutting, a sleeve per se and a shield per se are also disclosed. | 08-28-2008 |
20080213051 | BORING TOOL AND A CUTTING INSERT THEREFOR - Boring tool and a cutting insert therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner. | 09-04-2008 |
20080247832 | Tool Structure - A tool structure contains a first part having an oval end section with regard to an axis of symmetry in a direction of a maximum height and an axis of symmetry in the direction of a maximum width, and a second part having a recess accommodating the end section via mutual contact surfaces. The tool structure has a clamping element for the mutual clamping of the parts and mutual contact surfaces that are restricted to in each case four spaced-apart surface sections. These surface sections are disposed symmetrically with respect to a circumference of the end section such that a center point of a straight connecting line of the starting and end points of the respective surface section is at a normal distance b | 10-09-2008 |
20090035074 | Integral cutting insert clamping mechanism - An integral insert clamping mechanism for transferring clamping forces away from the screw hole of the insert to relieve stress at the screw hole by way of protrusions located on the bottom surface of the clamp plate. The clamping mechanism functions by a clamp plate being seated within an indentation on the top surface of the insert and a screw inserted into screw holes of the clamp plate and the insert and then threadably engaged with a threaded bore of a milling cutter. The top surfaces of the screw, the insert and the clamp plate being substantially coplanar. In an alternative embodiment, the clamp plate having a chip breaker. | 02-05-2009 |
20090074520 | Coated Cutting Insert for Milling Applications - Coated cemented carbide inserts (cutting tool), particularly useful for wet or dry milling of steels, are disclosed. The cutting tool insert is characterized by a cemented carbide body comprising WC, NbC and TaC, a W-alloyed Co binder phase, and a coating comprising an innermost layer of TiC | 03-19-2009 |
20090123240 | TOOL HOLDER, DRILL HOLDER, REAMER HOLDER, AND MILLING CUTTER HOLDER - A tool holder, drill holder, reamer holder, and milling cutter holder. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72( | 05-14-2009 |
20090155004 | CUTTING INSERT AND TOOL FOR CHIP REMOVING MACHINING - An indexable milling insert has a parallelepipedic shape. The cutting insert includes a mounting hole placed centrally in the cutting insert, a first support side and a second support side, which support sides are parallel with each other and act as alternating support sides. The cutting insert is provided with main cutting edges, which are orientated perpendicularly to the centre axis of the mounting hole as well as provided in such a way that a rotation of the cutting insert around the centre axis of the mounting hole to an alternative insert seat alternatively a turning of the cutting insert to an alternative insert seat provides an identical location of the main cutting edges in relation to a piece to be machined. A milling tool equipped with such milling inserts is also provided. The cutting insert can include four identical sides for chip removing machining, the sides extending between the parallel support sides, and each side has exactly two cutting edge areas. | 06-18-2009 |
20090169313 | Cutting Insert and Cutting Tool Therefor - A cutting tool has at least one cutting insert seated therein. The cutting insert has a longitudinal axis, an upper surface, a lower surface and a peripheral surface that extends between the upper surface and the lower surface. At least a portion of an intersection between the upper surface and the peripheral surface constitutes a cutting edge. The lower surface has at least one set of base abutment surfaces, each set including at a least one major base abutment surface and at least one minor base abutment surface, the major and minor base abutment surfaces of a given set being spaced apart from one another along the longitudinal axis. When the lower surface has two such sets of base abutment surfaces, the major and minor base abutment surfaces of the first set are longitudinally displaced from the corresponding major and minor base abutment surfaces of the second set. Furthermore, the major and minor base abutment surfaces of the first set lie on a first base abutment plane while the major and minor base abutment surfaces of the second set lie on a second base abutment plane, the first and second base abutment planes forming a first non-zero angle therebetween. | 07-02-2009 |
20090185873 | TOOL SYSTEM - A tool system comprising a holder and a cutting tool having a tool cutting edge and a fixing part, wherein the tool cutting edge projects by a predeterminable projecting length beyond the holder for a machining operation, is characterized in that the holder is provided at the outer circumference with a supporting part which projects in the direction of the projecting length of the tool cutting edge and forms a supporting surface for at least partial abutment of the cutting tool. | 07-23-2009 |
20090238649 | Indexable insert and use of the indexable in a solid drill - The invention relates to an indexable insert for solid drills comprising four identical cutting edges ( | 09-24-2009 |
20090290943 | Side locking insert and material removal tool with same - An indexable insert has one or more recesses formed in a frontside or backside surface which receives a surface of the head of a locking screw. When mounted, the insert is forced against respective support surfaces of an insert pocket. The locking screw is threaded into a counterbored tap hole to engage the insert and provide side locating forces and clamping forces to secure the indexable insert in the insert pocket. More particularly, the indexable insert has a shaped surface recess that mates to a complimentarily-shaped surface on the head of a locking screw and secures the indexable insert in multiple dimensions to a seating surface. A material removal tool and a method of mounting the indexable insert are also disclosed. | 11-26-2009 |
20100003089 | ROUGHING INSERT AND ROUGHING END MILL - This roughing insert is provided with an insert body, and a waveform cutting edge which is formed on an intersecting ridge line portion between a rake face and a flank face of the insert body, and which undulates along this intersecting ridge line portion. The waveform cutting edges are formed such that a portion thereof has a smaller wavelength than the remaining portion thereof. | 01-07-2010 |
20100028092 | Double-Sided Cutting Insert and Milling Cutter Mounting The Same - A double-sided milling cutting insert has usable upper and lower faces. 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. Upper cutting edges are formed on one of the edges of the upper face. The upper chip-forming portions have rake faces inclined downwardly from the upper cutting edges inwardly of the cutting insert and a plurality of protrusions arranged along inner boundaries of the rake faces for deflecting chips. When the cutting insert is mounted on the cutting tool, a width of the rake face of the upper chip-forming portion adjacent to an edge portion forming a main cutting edge gradually increases in a direction going away from a rotational axis of the cutting tool. | 02-04-2010 |
20100047026 | ROUGHING INSERT AND ROUGHING END MILL - This roughing insert is provided with an insert body, and a waveform cutting edge which is formed on an intersecting ridge line portion between a rake face and a flank face of the insert body, and which undulates along this intersecting ridge line portion. The waveform cutting edges are formed on the insert body respectively at positions which are rotationally symmetrical at predetermined angular intervals around a reference line of the insert bodies. These waveform cutting edges which are positioned rotationally symmetrically to each other are formed such that, when the insert bodies are rotated by the predetermined angle around the reference line, one or more portions of the waveform cutting edges do not match each other and are mutually asymmetrical. | 02-25-2010 |
20100061813 | ROUGHING END MILL AND INSERT FOR A ROUGHING END MILL - This roughing end mill is provided with an end mill body which is rotated around an axis, and with a plurality of inserts which are placed on an outer circumference of the end mill body at a predetermined distance apart from each other in the direction of the axis. The plurality of inserts form insert rows of which a plurality are provided in a circumferential direction of the end mill body, and at least the inserts included in a group are positioned so as to be offset in the axial direction from each other in the different insert rows which are mutually adjacent in the circumferential direction. The inserts included in the group are provided with cutting edges which face towards an outer circumferential side of the end mill body and which are formed as waveform cutting edges which undulate as they move in the axial direction. One insert of one insert row of the inserts included in the group and an insert of another insert row which is offset therefrom in the axial direction among the inserts included in the group are positioned such that the waveform cutting edges of each of these inserts make up a waveform cutting edge row whose phase is continuous on a rotation trajectory around the axis. A plurality of these waveform cutting edge rows which have mutually different phases are formed on the outer circumference of the end mill body. | 03-11-2010 |
20100074699 | Tube end milling head - A tube end rotary milling head with cylindrical cutting pieces removably secured to the milling head by forces exerted by the material being cut and by friction without any separate securing elements. | 03-25-2010 |
20100080662 | Cutting Insert - A cutting insert has a trigonal shape. The cutting insert has a peripheral surface that extends between two opposing identical end surfaces. A median plane (M) bisects the cutting insert between the end surfaces. A through bore extends between the end surfaces. A cutting edge, formed at the intersection of each end surface with the peripheral surface, is divided into three identical cutting sections. Each cutting section is located between two vertexes of the trigonal shape. Each cutting section has a convex primary cutting edge and a concave secondary cutting edge that merge together. An insert tangential abutment surface is located between the cutting edge and the through bore. A primary relief surface forms an insert internal obtuse angle with a first reference plane (P | 04-01-2010 |
20100104383 | BLADE HOLDER AND FACE MILL - The invention relates to a cutter support ( | 04-29-2010 |
20100111619 | Cutting Insert - A cutting insert having a pentagonal prismatic shape. A cutting region is associated with each polygonal side and is elevated with respect to a central tangential abutment surface. A primary cutting edge associated with a polygonal side is formed at the intersection of a primary rake surface and a primary relief surface. A secondary cutting edge associated with a rounded corner is formed at the intersection of a secondary rake surface and a secondary relief surface and merges with the primary cutting edge. The primary relief surface forms with the associated side abutment surface a primary relief surface angle that varies from a maximal value adjacent an upper end of the primary cutting edge to a minimal value. The secondary relief surface forms with the associated rounded corner a secondary relief surface angle that varies from a maximal value adjacent the primary cutting edge to a minimal value. | 05-06-2010 |
20100111620 | Sheet Member, Rotary Tool Using the Sheet Member, and Cutting Method Using the Rotary Tool - A sheet member has a body part having a top surface, a bottom surface and a side surface; and an upper shoulder part which is formed so as to project from the top surface of the body part, and has an upper shoulder top surface and an upper shoulder side surface. The upper shoulder part has a restricting seat surface formed on the top surface and abutted against the bottom surface of a cutting insert; a first through hole extending between the restricting seat surface and the bottom surface or the side surface; and a screw hole opening into the restricting seat surface. The body part has a first restricting side surface which is formed on the upper shoulder side surface intersected with the restricting seat surface, and abutted against a side surface of the cutting insert; and a first recessed part disposed above the first through hole and formed on the first restricting side surface so as to extend from the restricting seat surface toward the upper shoulder top surface. A rotary tool is constructed and arranged to detachably mount the cutting insert with the sheet member interposed therebetween. A cutting method uses the rotary tool. | 05-06-2010 |
20100135735 | Cutting Tool and Clamping Mechanism Therefor - A clamping mechanism clamps a cutting insert in a tool body. The clamping mechanism has a clamping arm seated within a clamping arm pocket. The clamping arm includes a clamping protrusion extending rearwardly from a rear surface of the clamping arm. The cutting insert has a bore having an insert retaining surface and is seated within an insert pocket. Upon tightening the clamping arm into the tool body, the clamping protrusion presses against the insert retaining surface and the cutting insert is securely abutted within the insert pocket. | 06-03-2010 |
20100150670 | Cutting Tool and Cutting Insert Therefor - A cutting tool includes one or more cutting portions, each including an insert pocket having a cutting insert releasably retained therein. The cutting insert has a bottom surface, including a plurality of surfaces, engaging a plurality of walls of the insert pocket in a plurality of sloping and non-sloping engagement regions. These engagement means provide secure and stable clamping of the cutting insert, and prevent displacement of the cutting insert during intensive cutting operations, such as high speed milling, e.g., by significantly decreasing the force exerted on the screw that fastens the cutting insert in the insert pocket. | 06-17-2010 |
20100158620 | Toolholder and Toolholder Assembly with Elongated Seating pads - A toolholder has a pocket adapted to receive a double-sided on-edge cutting insert, wherein the corners of each side of the insert are radially shifted with respect to one another and has mounting pads preferably mounted about the sides of the cutting insert. The relief area for the corners of the insert is selectively fabricated to maximize the length of the support pads within the pocket of the toolholder. | 06-24-2010 |
20100183381 | 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 at least one seating surface and a threaded hole extending as slanted with respect to the seating surface. At least one cutting insert having a mounting hole passing therethrough is removably secured on the seating surface. A screw passes through the mounting hole and is fastened to the threaded hole, thereby removably securing the cutting insert to the tool body. A wall surface of the mounting hole contacts a head of the screw about at least one first contact portion and at least one second contact portion. The first contact portion is formed at a level different from that of the second contact portion along a longitudinal axis of the mounting hole. Contact angles at the first contact portions and the second contact portions are different from each other. | 07-22-2010 |
20110052337 | TOOLHOLDER AND TOOLHOLDER ASSEMBLY WITH ELONGATED SEATING PADS - A toolholder assembly has a pocket adapted to receive a double-sided on-edge cutting insert with wiper facets. A pocket has at least two sides and supports pads extending from each of the at least two sides, wherein the support pads contact the wiper facets of the cutting insert when the cutting insert is mounted within the pocket. | 03-03-2011 |
20110058907 | HIGH SPEED MILLING CUTTER WITH TAPERED PIN - A milling cutter includes a shank and upper portion with an insert pocket. The insert pocket includes a bottom surface, a radial support wall and an axial support wall. A cutting insert includes a hole extending from a bottom surface. A tapered pin includes a lower portion and a tapered upper portion. A spring engages the lower portion of the tapered pin and provides an upward biasing force on the tapered pin. A center axis of the tapered pin is closer to the radial support wall than a center axis of the hole of the cutting insert such that the tapered pin exerts pressure against the hole of the cutting insert to cause one of the side walls of the cutting insert to be forced against the radial support wall of the insert pocket when the cutting insert is mounted in the insert pocket. | 03-10-2011 |
20110081209 | SHIM PLATE FOR MILLING TOOLS FOR CHIP REMOVING MACHINING AS WELL AS A MILLING TOOL HAVING SUCH A SHIM PLATE - A shim plate for milling tools for chip removing machining, including an upperside, an underside, and at least one side surface extending between the upperside and the underside and forming an angle≦90° with the upperside. A through hole includes a first section mouthing in the upperside, and a second section mouthing in the underside and having a diameter that is smaller than a diameter of the first section. The upperside at least partially transforms into the side surface via an edge portion configured to be an active auxiliary chip-removing cutting edge upon failure of a cooperating cutting insert. The edge portion includes a chamfer surface that forms an obtuse angle (δ) with the upperside. | 04-07-2011 |
20110091293 | THROWAWAY ROTARY CUTTING TOOL - In a rough cutting cutter, square tips and rectangular tips are disposed in a staggered pattern in an axial direction in second to fourth step portions, so a cutting edge is formed by a pair of one of the square tips and one of the rectangular tips. It is therefore possible to effectively reduce a frequency of contact with a blade root. Furthermore, in the second to a fifth step portions, ARs (rake angles in the axial direction) and RRs (rake angles in a radial direction) of the square tips and the rectangular tips gradually increase in order from a tip end to a back end of a tool body. It is therefore possible to suppress chatter vibration during machining and is possible to reduce roughness of a cut surface of a work material. | 04-21-2011 |
20110097163 | Severing and Beveling Tool - A tool for both severing the end of a pipe and beveling the cut end includes a spiral cutting mill having an elongate end received in the bore of a frustoconical shell cutter. The shell cutter is locked for rotation with the cutting mill such that a single tool has two cutting surfaces, one for severing a length of pipe and one for beveling the outer edge thereof. | 04-28-2011 |
20110135406 | CUTTING INSERT, CUTTING TOOL AND CUTTING METHOD USING THE SAME - A cutting tool comprises: a first cutting insert having a first side surface for interconnecting a first upper surface and a first lower surface, a first cutting edge located at the intersection between the first upper surface and the first side surface, and a first groove section located in the first side surface and extending to the first upper surface so as to divide the first cutting edge; a second cutting insert having a second upper surface, a second side surface, a second cutting edge located at the intersection between the second upper surface and the second side surface, and a cutting edge reinforcing section located on the second upper surface at an end thereof which is positioned on the second cutting edge side; and a holder for mounting thereto the first cutting insert and the second cutting insert. The first cutting insert and the second cutting insert are mounted to the holder in such a manner that the first cutting edge and the second cutting edge are located on the outer peripheral side of the holder, that the first lower surface and the second upper surface are in proximity to each other, and that the rotation trajectories of the cutting edge reinforcing section and the first groove section are partially superposed on each other. | 06-09-2011 |
20110135407 | Cutting Insert, Cutting Tool, and Method of Cutting Workpiece Using the Same - A cutting insert of the present invention includes a side face having an upper concave portion which is located between an upper face and a lower face and extends up to the upper face, and a plurality of divided upper cutting edges which are located at the intersection of the upper face and the side face, and are divided by the upper concave portion. Each of these divided upper cutting edges includes a first end and a second end, and is inclined being closer to the lower face from the first end toward the second end. The plurality of divided upper cutting edges include a first divided upper cutting edge and a second divided upper cutting edge adjacent to each other. When viewed from side, the first end of the second divided upper cutting edge is located above the intersection of an extension line of the first divided upper cutting edge, and a line which passes through the first end of the second divided upper cutting edge and is parallel to the central axis of the cutting insert, and is located at the same position as the second end of the first divided upper cutting edge, or located therebelow. A cutting tool including the cutting insert, and a method of cutting a workpiece by using the cutting tool are also provided. | 06-09-2011 |
20110150582 | FACE MILL FOR FINE MILLING - A face mill for fine milling, including a basic body that is rotatable around a center axis (C | 06-23-2011 |
20110150583 | DEVICE FOR MILLING OF MATERIALS - A device and a method of making thereof includes a milling cutter body that is connectable to a rotatable spindle or holder. The milling cutter body is provided with at least one series of a plurality of tangentially spaced-apart cutting edges or a plurality of tangentially spaced-apart seats intended for milling inserts having at least one cutting edge. The cutting edges or seats of the series are arranged such that, within the series, a first angle between a radius that intersects a first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction of rotation around the rotation axis, is smaller than a second angle between the radius that intersects the first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction opposite the direction of rotation. | 06-23-2011 |
20110164932 | Cutting Insert and Milling Cutter Provided with the Same - A milling cutter is provided with a cutting insert having improved main cutting edges. The main cutting edges are positioned along both lengthwise edges of a front surface, have a wave shape and are asymmetrical with each other. Main cutting edges positioned along both lengthwise edges of a back surface are rotationally symmetrical by 180 degrees from the main cutting edges of the front surface with respect to a longitudinal central axis of the cutting insert. In the milling cutter, the cutting inserts are alternately mounted in pockets formed on a side surface of the milling cutter so that the concavo-convex portions of the active main cutting edges of the cutting inserts which are adjacent to each other are staggered with respect to each other. | 07-07-2011 |
20110211921 | Coupler for a Quick Change Insert Rotary Cutting Tool - A coupler for a quick change rotary cutting tool assembly allowing a cutter to be quickly and releasably coupled to a shank wherein the coupler has a cylindrical portion with a threaded portion to engage the shank and a portion with a transverse groove with undercut walls to form recesses. The cutter has an anchor made as a disk with parallel flats which engage the recesses of the cylindrical portion to releasably secure the cutter to the shank. | 09-01-2011 |
20110229278 | MILLING TOOL FOR CUTTING MACHINING - A milling tool for rotary cutting machining, including a tool body having a rotation axis, a plurality of insert seats adapted to receive respective milling inserts arranged in one end of the tool body, and a plurality of damping members arranged inside the tool body which suppress operation-induced vibrations in the tool. The damping members being arranged radially displaced from the rotation axis, displaced from the insert seats, and adjacent to the one end of the tool body. | 09-22-2011 |
20110268512 | MILLING TOOL WITH CLAMPING SCREW HAVING MALE GRIP AT END THEREOF - A milling tool includes a toolholder having an insert-receiving pocket, a cutting insert having a hole provided therein, the cutting insert being disposed in the pocket and a clamping screw having a male key grip at a first end and zero or more key grips at a second end. The clamping screw extends through the hole in the cutting insert into a threaded hole in the toolholder so that threads on the clamping screw mate with threads in the threaded hole. The male key grip is remote from the cutting insert. The second end of the clamping screw includes an enlarged head including a clamping surface that abuts a clamping surface in the hole of the cutting insert. A clamping screw suitable for a milling tool is also provided. | 11-03-2011 |
20110274506 | INDEXABLE MILLING INSERT FOR MILLING TOOLS - An indexable milling insert for milling tools, including a bottom surface, an opposite chip surface, and a plurality of side surfaces extending between the bottom surface and the opposite chip surface, two of the side surfaces being primary clearance surfaces and two of the side surfaces being secondary clearance surfaces. A plurality of cutting edges are formed between the opposite chip surface and the primary and secondary clearance surfaces. Two of the cutting edges that connect to the primary clearance surfaces are primarily parallel and constitute main cutting edges. At least one lock structure is provided and includes a locking surface arranged on one of the secondary clearance surfaces so that the locking surface and the primary clearance surface form an acute angle, α, in a section that is parallel to the bottom surface and intersects the locking surface. A coupling structure is arranged on the opposite chip surface and at least partly projects from a plane that is parallel to the bottom surface and passes through points of the main cutting edges situated closest to the bottom surface. The coupling structure comprises at least one flank surface, which is arranged in such a way that the flank surface, in a section that is parallel to the primary clearance surface and intersects the flank surface, forms an acute angle, β, with the bottom surface so that the flank surface slopes in the direction from the secondary clearance surface on which the locking surface is arranged. | 11-10-2011 |
20110293381 | Cutting Edge-Replaceable Cutting Tool and Cutting Insert for Use Therein - A cutting edge-replaceable cutting tool includes a tool body, and a cutting insert is removably installed on the tool body. The cutting tool-replaceable cutting tool includes an insert mounting seat formed on the tool body and on which the cutting insert is mounted, and a upper wall portion formed integrally with the tool body and overhanging the insert mounting seat. | 12-01-2011 |
20110305532 | CUTTING TOOL, CUTTING TOOL HOLDER AND CUTTING INSERT THEREFOR - A cutting tool holder adapted for mounting thereon a cutting insert to form a cutting tool. The cutting tool holder comprises an insert seat defined by a base and at least one side wall extending from the base to define an insert seat space adapted for receiving the cutting insert. The cutting tool holder further comprises a support element extending into the insert seat from the base. The support element is (i) integrally formed with the insert seat or (ii) at least during operation, fixedly attached to the insert seat. The support element is formed with an undercut surface extending, at least during operation, at an acute angle to the base and away from the side wall. The insert seat is formed with a bore configured for receiving a fastening member for engagement with the insert seat. The fastening member is displaceable with respect thereto between a mounting position configured for allowing the cutting insert to be mounted onto the insert seat and a securing position adapted for securing the cutting insert within the insert seat. | 12-15-2011 |
20110311326 | SHIM PLATE FOR TOOLS FOR CUTTING MACHINING AS WELL AS A TOOL - A shim plate for mounting in a cutting tool for rotary chip removing machining, the cutting tool including a basic body having a rotational axis, a peripheral envelope surface concentric with the rotational axis, a front end surface, and at least one insert seat including a seat surface, the basic body being rotatable in a direction of rotation and arranged to, in each insert seat against the seat surface, receive the shim plate and a mountable cutting insert adjacent to the shim plate. The shim plate includes a bottom surface adapted to adjoin to the seat surface of the basic body, a contact surface opposite to the bottom surface and adapted to adjoin to the cutting insert, and at least one side surface that extends between the bottom surface and the contact surface. In a radial cross-section orthogonal to the rotational axis and traversing the shim plate, an imaginary straight line (a) associated with the bottom surface, intersecting a point (a | 12-22-2011 |
20120039675 | Milling Cutter Having Serrated Cutting Inserts Spaced Apart with Varying Axial Offsets - A milling cutter includes a cutter body and at least three circumferentially spaced insert pockets, axially offset one with respect to the other, each having a replaceable cutting insert secured thereto. Each cutting insert has at least two identical straight serrated cutting edges and all the cutting inserts are identical. A first insert pocket ( | 02-16-2012 |
20120195700 | Tangential Cutting Insert and Milling Cutter - A tangential cutting insert has two opposing side surfaces and a peripheral surface extending between the side surfaces. The peripheral surface has four identical end surfaces. The intersections of the end and side surfaces include major cutting edges. The intersection of end surfaces and adjacent end surfaces include minor cutting edges. Each of the major and minor cutting edges has a rake surface extending in an inward direction of the cutting insert. In a side view of the cutting insert the major cutting edges are concave. | 08-02-2012 |
20120219368 | CUTTER BODY AND LOCKING SCREW THEREFOR - A combination cutter body and a locking screw for mounting the cutter body to an adapter is disclosed. The cutter body includes a plurality of threaded bores that extend radially through a sidewall of the cutting body. The threaded bores are adapted to receive a corresponding threaded setscrew. The locking screw includes a head having a plurality of indentations around a circumference of the head. A central axis of each threaded bore is offset by a distance from a central axis of each indentation to cause an axial force to be exerted on the cutter body when an end of the setscrew engages a respective indentation to tightly seat the cutter body against the adapter. | 08-30-2012 |
20120230784 | CUTTING INSERT AND SHIM FOR MILLING CUTTERS - A cutting tool includes a polygonal cutter body and an end cutting insert for chipforming machining mounted in a serrated seat disposed at an axial end of the cutter body. A bottom surface of the insert has a plurality of parallel serrations meshing with corresponding serrations of the seat. The serrations extend transversely relative to the longitudinal axis for resisting axially rearward cutting forces applied to the insert. The seat is formed directly by the cutter body, or by a shim disposed beneath the insert. The shim is provided with a downward lip to transfer axial forces to the cutter body. The insert can be square or triangular, wherein the serrations are in the form of a plurality of sets of parallel serrations disposed adjacent respective cutting edges. | 09-13-2012 |
20130004250 | ROTARY CUTTING TOOL WITH VIBRATION DAMPING DEVICE - A rotary cutting tool includes a cutter body having a head, a shank, and a cavity extending along a central, longitudinal axis of the cutter body. The head includes at least one cutting insert mounted in a pocket adjacent to a chip groove. A vibration damping device is disposed within the cavity. The vibration damping device includes a stop member, a threaded fastener, weight elements, and a biasing member. At least one, if not all of the weight elements have different outside diameters to cause the weight elements to vibrate in the cavity at different frequencies. At least some of the frequencies of the weight elements are different than a fundamental chatter frequency of the cutting tool, thereby dampening vibration of the rotary cutting tool during a machining operation. | 01-03-2013 |
20130129431 | CUTTING TOOL WITH POCKET FEATURE FOR REDUCING STRESS - A cutting tool includes a tool body having a plurality of pockets for receiving cutting inserts. Each pocket includes a bottom support surface, an axial support surface, a radial support surface and a corner relief between the bottom support surface and the axial support surface. A pocket feature is at least partially located proximate the pocket, and more specifically, at least partially located on a wall between the axial support surface and the radial support surface for reducing a tensile stress of the cutting tool during a machining operation | 05-23-2013 |
20130149052 | CUTTING INSERT AND CUTTING TOOL - An upper surface of a cutting insert includes a first rake face and a second seating surface. A lower surface of the cutting insert includes a second rake face and a first seating surface. The cutting edge includes a first cutting edge portion formed at a crossing edge line portion between the first rake face and a flank face and a second cutting edge portion formed at a crossing edge line portion between the second rake face and the flank face. The first cutting edge portion and the crossing edge line portion between the first seating surface and the flank face are positioned opposite each other. The second cutting edge portion and the crossing edge line portion between the second seating surface and the flank face are positioned opposite each other. | 06-13-2013 |
20130195567 | MILLING TOOL AS WELL AS A MILLING INSERT - In one aspect, the invention relates to a double-sided, indexable milling insert comprising two rake faces, between which there extends a circumferential clearance face that, in transition to the rake faces, together with the same, forms peripheral cutting edges. Each rake face including lock means for rotationally securing the milling insert in one of several index positions. Along the periphery of the individual rake face, a plurality of tangentially spaced-apart cutting edges are formed, which individually rise at an acute pitch angle from a first end toward a second one. A rake surface is positioned radially inside the individual cutting edge following the cutting edge by rising from a lower boundary line to a crest, via which the same transforms into a declining shoulder surface, which serves as a rotationally securing lock means. In addition, each rake face comprises individual bearing surfaces, which are situated between pairs of adjacent rake surfaces and on a different level from the same. In a further aspect, the invention also relates to a milling tool that is equipped with one or more milling inserts. | 08-01-2013 |
20130195568 | TOOL FOR MACHINING A WORKPIECE - A tool for machining a workpiece, in particular a milling tool, is presented. Said tool comprises a shank which is drivable rotatably about a longitudinal axis and is fixable to a tool holding fixture. It further comprises a plate holding fixture that is arranged on one end of the shank, a support plate having at least one internal thread, a cutting element with at least one cutting edge, and at least one fastening element which is provided with an external thread that is adapted to the at least one internal thread. | 08-01-2013 |
20130336731 | INDEXABLE BALL END MILL - An indexable ball end mill comprising first to third inserts having arcuate cutting edges detachably attached with first to third screws to first to third seats in a semispherical tip end portion of a tool body; a first threaded hole for the first screw slantingly penetrating a slit-shaped first seat; the first insert having an inclined hole to avoid interference between the first screw and the second and third screws; a hole of the first insert and the first screw having at least partially finished surfaces, so that when the first screw penetrates the first insert attached to the first seat, the first insert is precisely positioned by tight engagement of both finished surfaces. | 12-19-2013 |
20140030034 | MILLING TOOL AS WELL AS A MILLING INSERT - A double-sided, indexable milling insert has a round basic shape defined by an imaginary cylinder, which is concentric with a center axis and extends between two reference planes that extend perpendicular to the center axis and are equidistantly separated from a neutral plane. The milling insert includes a pair of opposite chip faces located in the reference planes between which an envelope surface concentric with the center axis extends, a plurality of identical and alternately usable cutting edges along the peripheries of the chip faces, and lock means for rotationally securing the milling insert in one of several predetermined index positions. The individual cutting edge has the shape of a wave trough and includes two edge segments that meet at a bottom point. | 01-30-2014 |
20140044496 | CUTTING INSERT AND CLAMPING ELEMENT FOR A CUTTING TOOL - A cutting insert and a clamping element for clamping the cutting insert in a pocket of a cutting tool. The cutting insert includes a polygonal body, a top surface, a bottom surface, a plurality of side surfaces, a rake surface extending inwardly from a cutting edge, and a plurality of seating surfaces adjacent the rake surface that are separated by a groove. The clamping element includes a rail member protruding from a bottom surface and extending at least partially from a side surface. The groove of the cutting insert is capable of receiving the rail member of the clamping element for clamping the cutting insert in the pocket of the cutting tool. | 02-13-2014 |
20140056658 | CUTTING TOOL WITH REMOVABLE HEAD - A cutting head having a tapered shaft portion, a helical flute, and a flat shoulder surface is fastened to a shank having a front end surface, a tapered hole, and a helical flute through a fastening attachment in the form of a helical coil. The fastening attachment has a sectional shape substantially analogous in shape to a space defined between the helical flutes. The fastening attachment is fitted in one of the helical flutes, and is threaded into the other of the helical flutes until the shoulder surface is brought into close contact with the front end surface of the shank, and the outer peripheral surface of the tapered shaft portion is brought into close contact with the inner surface of the tapered hole, thus fastening the cutting head to the shank. | 02-27-2014 |
20140133925 | Milling Tool and Milling Tool Body Having Pressure Holes for Securing Cutting Inserts - A rotary milling tool body includes a circumferential clamping portion with opposite first and second side surfaces and a plurality of insert pockets and integral clamping jaws arranged therealong. Each clamping jaw includes opposite forward and rearward abutment surfaces which extend between the first and second side surfaces. Each clamping jaw further includes a throughgoing pressure hole which opens out only to the first and second side surfaces. Each clamping jaw further includes a pressure member which is located in the pressure hole and transferable between disengaged and engaged positions. | 05-15-2014 |
20140161544 | Cutting tool for face milling composite material, corresponding method of face milling, cutting insert and tool body - A cutting tool for face milling includes insert pockets for the fixing of cutting insert. The cutting inserts can be fixed in the insert pockets, wherein the cutting inserts and insert pockets are designed such that, when the cutting inserts are fixed within the corresponding insert pocket, each cutting insert presents: a primary and a secondary cutting edge. The intersection between the primary and the secondary cutting edge of one cutting insert being axially inwardly and radially outwardly offset from the intersection between the primary and the secondary cutting edge of another cutting insert. A lead angle defined between the primary and the secondary cutting edges is less than 30°. | 06-12-2014 |
20140212227 | TWO SIDED MILLING TOOL CUTTER INSERT AND HOLDER - A milling tool includes a reversible cutter insert with a central opening having two pairs of cutting surfaces and edges. A pair of planar locating shoulders are disposed on each side of the insert, and each shoulder extends between the insert side face and an adjacent one of the cutting surfaces. The plane of each locating shoulder is at an angle to and intersects the longitudinal axis of the insert central opening. A cutter holder has a slot receiving the cutter insert with a pair of planar locating surfaces oriented at the same angle as the insert locating shoulder plane. The holder locating surfaces are abutted with and contact the insert locating shoulders to support the insert and permit one of the pair of insert cutting surfaces and edges extending out of the slot to cut a workpiece. | 07-31-2014 |
20140219733 | DEVICE FOR CHIP REMOVING MACHINING - A device for the chip removing machining of a work piece includes a body connectable to a holder or rotatable spindle. The body has at least one first seat to receive a cutting insert having a main cutting edge. The first seat has an active part including at least one first seat surface. The body receives the cutting insert in the first seat, the first seat including at least one location surface. The at least one location surface forms an angle with the first seat surface and positions the cutting insert axially and radially in the active part. The body has a second seat to receive a shim member such that the cutting insert adjoins the at least one first seat surface and the shim member. The cutting insert covers an area defined by the shim member and the at least one first seat surface. | 08-07-2014 |
20140234036 | High Speed Milling Tool and Tangential Ramping Milling Insert Therefor - A single-sided tangential ramping milling insert for high speed milling includes opposite insert seating and top surfaces and a peripheral surface which extends therebetween. The milling insert has a reference plane (P) which passes through the entire peripheral surface, midway between the seating and top surfaces. The peripheral surface includes two opposite side surfaces. Each side surface includes a first cutting edge, a second cutting edge connected to the first cutting edge and extending transversely thereto, a ramping cutting edge connected to the second cutting edge and located opposite the first cutting edge, and a rake surface which extends from at least a portion of the first cutting edge toward the insert seating surface. The milling insert includes two ramping relief surfaces, each of which extends from a ramping cutting edge of one side surface towards the first cutting edge of the opposite side surface. | 08-21-2014 |
20140294522 | ROUND WIPER TOOTH AND FACE MILL INCORPORATING THE SAME - A milling tool includes a body which is rotatable about a first axis. At least one cutting tooth mounted on the body having a cutting edge for cutting about the first axis. A wiper tooth extends from the mill body. The wiper tooth includes at least at a portion having a peripheral surface about the second axis and the peripheral surface intersects a face surface defining a cutting edge that is round about the second axis for cutting about the first axis. In some embodiments, the peripheral surface, the face surface and the cutting edge are formed on an insert that is mounted the mill body. | 10-02-2014 |
20150306686 | CUTTING TOOL WITH REPLACABLE CUTTING INSERT AND INCLINED ATTACHMENT ELEMENTS - A cutting tool includes a generally cylindrical tool body disposed about a central longitudinal axis, the tool body having first and second extending sides with respective first and second bores that pass therethrough, wherein a first longitudinal axis of the first bore and a second longitudinal axis of the second bore are configured to be non-parallel to a horizontal axis of the tool body that is perpendicular to the central longitudinal axis of the tool body. The cutting tool also includes a replaceable cutting insert configured to be removably attached to the tool body and first and second attachment elements configured for receipt in the first and second bores, respectively, and adapted to engage the cutting insert and secure the cutting insert to the tool body. | 10-29-2015 |
20150375310 | BALLNOSE CUTTING TOOL AND BALLNOSE CUTTING INSERT - A ballnose cutting insert has a top face, a bottom face, a plurality of side clearance faces, a first nose corner, a second nose corner, and a first elongate cutting edge at the top face, a second elongate cutting edge at the top face, and a fastener bore with a center. There is a first open-end notch below the first nose corner, and a second open-end notch below the second nose corner. The first open-end notch is defined at least in part by a first generally planar engaging surface, and the second open-end notch is defined at least in part by a second generally planar engaging surface. The first generally planar engaging surface is disposed at a disposition angle relative to the second engaging surface, and the disposition angle is not equal to zero degrees. The first generally planar engaging surface is disposed from the center of the fastener bore a first abutment distance as measured along a line perpendicular to the first generally planar engaging surface. The second generally planar engaging surface is disposed from the center of the fastener bore a second abutment distance as measured along a line perpendicular to the second generally planar engaging surface. The first abutment distance is equal to the second abutment distance. | 12-31-2015 |
20160175949 | Ramping Insert and High-Feed Milling Tool Assembly | 06-23-2016 |
407041000 | Wedge clamp element | 2 |
20100104384 | Cutting Tool and Cutting Insert Therefor - A cutting tool includes at least one cutting portion, having an insert pocket, releasably retaining a single-sided cutting insert therein. The cutting portion has a tangential screwing element to clamp the cutting insert in the insert pocket. The screwing element, which comprises a screw, allows releasing and clamping of the cutting insert without having to completely remove the screwing element from the insert pocket. The cutting insert has a top surface, a bottom surface and a peripheral side surface; a recess is formed in the bottom surface. The screwing element is inserted into the recess via the bottom surface. Upon fastening of the screw, a protruding portion of the screwing element clamps the cutting insert in its insert pocket. The cutting insert and protruding portion may have respective geometries allowing them to abut one another at at least two distinct abutment sub-regions. | 04-29-2010 |
20110135408 | Temporary Coupling Mechanism for Cutting Tip and Indexable Cutting Tool with Same - A temporary coupling mechanism facilitates replacement of a cutting tip in a pocket of a cutting tool, by preventing the cutting tip from falling out of the pocket when a clamping member, e.g., a screw member or wedge member, is loosened. The pocket is provided with a first coupling portion and the cutting tip is provided with a second coupling portion configured to engage the first coupling portion. In one embodiment, the second coupling portion is at least one concave groove or convex portion located in a predetermined position of the cutting tip. A convex portion or a concave groove is provided in at least one of the pocket's tip mounting seat and the clamping member to engage the concave groove and the convex portion of the cutting tip. The concave groove extends substantially in parallel with the seat face of the tip mounting seat and the convex portion is inserted and fitted into the concave groove so as to be engaged thereto when the cutting tip is inserted into the tip mounting seat and is taken out of the tip mounting seat, causing the cutting tip to be movable only in a predetermined direction relative to the tip mounting seat. | 06-09-2011 |