Class / Patent application number | Description | Number of patent applications / Date published |
407047000 | With separate means to fasten tool to holder | 57 |
20080273929 | Machine Tool With a Plate With Elastic Properties for Holding the Cutter - A machine tool designed to be fitted with a cutter which is retained by a central screw includes a plate which is removable in relation to the body of the tool. The plate possesses a cut-out for the positioning of a machining cutter with a central hole, this cut-out having two lateral faces and a third face which bears elastically against the machining cutter. | 11-06-2008 |
20080298909 | Cutting Tooth for Brush Cutting - A cutting tooth is used on a brush cutter head. The cutting tooth includes a cutting portion having a first face and a second face. The first face and the second face cooperate to define a tapering profile terminating in a cutting edge. The first face of the cutting portion carries a plurality of ridges formed thereon to direct cutting debris away from the cutting edge and facilitate passage of the debris along the trailing face when the cutting tooth is in use. | 12-04-2008 |
20090016829 | CUTTING MECHANISM WITH ROTATABLE BLADE - A cutting mechanism includes a first main body and a second main body. The first main body includes a first base, a plurality of first cutter holders, and a plurality of first cutters. The first cutters are mounted on the respective first cutter holders. The first cutter holders are movably engaged with the first base in a manner that the first cutters mounted thereon are adjustably movable toward and away from the first base. The first cutters are rotatable relative to the respective first cutter holders about parallel first axes, and each of the first cutters has a first blade substantially parallel to the respective first axis. The second main body has a similar configuration as the first main body. | 01-15-2009 |
20090103991 | AXIAL SEATING PIN - A cutting tool ( | 04-23-2009 |
20090123241 | Tool for machining boreholes - A tool for machining borehole surfaces, includes
| 05-14-2009 |
20100189519 | CARBIDE CUTTING TOOL AND METHOD OF MAKING SUCH A TOOL - The present invention concerns a rotary cutting tool ( | 07-29-2010 |
20100296881 | Universal Cutter Structure - A universal cutter structure includes a double-headed screw made of tungsten steel or steel. The double-headed screw has outer threads at front and rear sections thereof and a positioning block at a middle section thereof. The front and rear sections of the double-headed screw are screwed to an upper threaded trough of a cutter rod and a lower threaded trough of a cutter head, respectively. The positioning block engages with the cutter rod and the cutter head directly or indirectly such that the parts are tightened to be a one-piece cutter. When the double-headed screw is removed, the cutter rod is able to be coupled with a screw and a positioning block provided at a distal end of the cutter head. The present invention provides a better steadiness for processing and is convenient for replacement. | 11-25-2010 |
20110027025 | TOOL BODY OF PLUNGE CUTTING CUTTER, PLUNGE CUTTING CUTTER, AND PLUNGE CUTTING METHOD - Efficient plunge cutting work in which the tool body moves forward and backward in the axial direction to cut the wall face of a workpiece at high feed-speed, is possible even in the cutting process with backward motions. The tool body | 02-03-2011 |
20110097166 | Milling Cutter - A milling cutter includes a disk like cutter body having radially directed slots and a central aperture. An exchangeable hub of the milling cutter has two adapter members located on either side of the cutter body and has an inner side wall. One of the adapter members has at least two protrusions formed on the adapter inner side wall and one of the two adapter members has a raised portion located on the adapter inner side wall. The adapter members are secured to the cutter body by the protrusions positioned in the slots and the raised portion positioned in the central aperture. | 04-28-2011 |
20110103904 | ANTIROTATION TOOL HOLDER AND CUTTING INSERT - The present invention relates to embodiments of a cutting tool holder having at least one insert pocket, wherein at least one insert pocket comprises a side surface and at least one antirotation stop protruding from the side surface. The antirotation stop may comprise at least two substantially planar surfaces. In certain embodiments, the cutting tool holder may have a pocket which comprises a bottom surface and an antirotation stop having three substantially planar surfaces that are substantially perpendicular to the bottom surface. | 05-05-2011 |
20110116877 | ROTATING CUTTING TOOL WITH SUPPORT ELEMENT - The invention relates to a rotating cutting tool, in particular a boring tool for use in machine tools. The cutting tool comprises at least one cutting insert, designed as an indexable insert, that has an active main blade located near a corner of the insert, the outer end of said blade defining a circular flight path radius (R) as the blade rotates, said blade penetrating into a work piece at a pre-determined cutting depth (t) near a pre-formed round hole. Also provided is a secondary blade that is disposed opposite to an advancing direction and that aligns with the outermost end of the main blade, the entire length of said blade having a smaller radius than the circular flight path radius (R) of the main blade, wherein a secondary blade free surface aligns with the secondary blade opposite to the direction of rotation. A unique characteristic of the invention is that the secondary blade free surface comprises a support part disposed at a distance from the secondary blade, the peripheral radius of said part being larger than the circular flight path radius R of the active main blade by an overshoot amount (Y). | 05-19-2011 |
20110123282 | TOOL FOR MACHINING A WORKPIECE - The invention relates to a tool for machining a workpiece, comprising a holder having a locating opening arranged at the end face and a cutting head having at least one cutting element arranged on the workpiece-side end. Furthermore, the tool has a sleeve which is made substantially of carbide and which, with a first, holder-side end, is inserted in an accurately fitting manner into the locating opening of the holder, and the cutting head is arranged in or on the second, cutting-head-side end of said sleeve, and coupling means for coupling the holder, cutting head and sleeve. | 05-26-2011 |
20110150585 | Insert and Side Cutter - An insert has a lower face formed in a substantially quadrangular shape, a flank formed on an upper face formed in a convex face rising upward from two opposing sides of the quadrangular face, a pair of rake faces rising upward from the other two opposing sides of the quadrangular face and formed in first side faces intersecting with the convex curved face, a pair of corner edges formed respectively in ridgeline portions between the rake face and the flank, and a pair of second side faces which intersect obliquely to the two opposing sides of the quadrangular face and rise upward from the lower face to notch an intersection portion between the lower face and the upper face. | 06-23-2011 |
20120045288 | Thread-Milling Cutter and Thread-Milling Insert - A thread-milling cutter comprising a tool holder ( | 02-23-2012 |
20120251251 | CLAMPING MECHANISM FOR SLOTTING CUTTER - A slotting cutter includes a disc-like cutter body rotatable in a predetermined direction on a central axis perpendicular to a plane of the cutter body. A plurality of cutting insert receiving pockets and a corresponding number of thread holes are formed about a perimeter of the body. A cutting insert is replaceably mounted in each insert receiving pocket of the cutter body, and a clamping screw is replaceably threaded in each thread hole of the cutter body. A cantilevered portion is disposed between each insert receiving pocket and a respective thread hole that exerts a downward force to securely hold the cutting insert in the cutter body when the clamping screw is threaded into the thread hole. | 10-04-2012 |
20120269588 | GROOVING INSERT AND METHOD FOR PRODUCING A GROOVING INSERT - A grooving insert comprising a cutting edge ( | 10-25-2012 |
20120308317 | Cutting Insert Having Cutting Edges Divided By Recesses and a Milling Cutter Provided with the Same - A cutting insert has top and bottom surfaces in the thicknesswise direction, and front and rear surfaces in the widthwise direction. First and second cutting edges are formed in the lengthwise direction at intersection portions where the top surface intersects with the front and rear surfaces. Third and fourth cutting edges are formed in the lengthwise direction at intersection portions where the bottom surface intersects with the front and rear surfaces. The first to fourth cutting edges are divided by a plurality of recesses. The plurality of recesses are symmetric with respect to the lengthwise centerline (A), which runs between the first and third cutting edges on the front surface and are asymmetric with respect to the thicknesswise centerline (B) perpendicular to the lengthwise centerline (A). | 12-06-2012 |
20130294850 | CUTTING INSERT FOR RIGHT ANGLE MACHINING AND MILLING CUTTER HAVING THE SAME - 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 outer peripheries of the upper and lower surfaces. The adjacent main and secondary cutting edges form a right angle therebetween. The first side surface adjoins the main cutting edge of the upper surface. The second side surface adjoins the secondary cutting edge of the lower surface. The third side surface adjoins the secondary cutting edge of the upper surface. The fourth side surface adjoins the main cutting edge of the lower surface. The cutting insert can be mounted on a milling cutter at a positive axial rake angle. | 11-07-2013 |
20130336732 | OCTAGONAL CUTTING INSERT HAVING EDGE PORTION WITH VARIABLE WEDGE ANGLE, AND CUTTING TOOL - A cutting insert includes a top surface, a bottom surface, and a side surface extending between the top and bottom surfaces. The top surface is generally octagonal in shape and the side surface includes eight sides and eight corners. Four edge portions are formed at an intersection of the top and side surface. A first end of each edge portion begins along one of the eight sides at a non-zero distance from any of the eight corners and a second end of the edge portion ends along another one of the eight sides that is non-consecutive to the one of the sides. Each edge portion has a wedge angle that changes from a first angle at the first end of the edge portion to a different angle at the second end of the edge portion. A cutting tool using such an insert is also disclosed. | 12-19-2013 |
20140056659 | Chamfering Cutter and Chamfering Insert Therefor - A chamfering insert has an elongated shape with a longitudinal insert axis and includes two opposite end portions and a cylindrically shaped insert peripheral surface which extends therebetween. The chamfering insert has a cutting edge, first and second opposite insert abutment surfaces, each of which extends perpendicularly to the insert axis, and an insert anti-rotation surface which extends parallel to the insert axis. The insert anti-rotation and abutment surfaces are located on one side of an imaginary plane, and the cutting edge is located, separately therefrom, on an opposite side of the imaginary plane. | 02-27-2014 |
20140234037 | CUTTING INSERT AND INDEXABLE INSERT-TYPE CUTTING TOOL - A cutting insert and an indexable insert-type cutting tool includes a cutting edge ( | 08-21-2014 |
20140294523 | TOOL HOLDER ATTACHING/DETACHING STRUCTURE OF MACHINE TOOL - In a case where a tool holder | 10-02-2014 |
20150056026 | Detachable Cutting Tool Segment With Resilient Clamping And Cutting Tool Therefor - A cutting tool having at least one segment pocket formed at a peripheral surface thereof, and respectively, at least one cutting tool segment, detachably mounted in each segment pocket. Each cutting tool segment has a longitudinal segment axis extending in a rearward to forward direction, and upper and lower ends, located on opposite sides of the segment axis. The lower end has two spaced apart lower abutment surfaces. An insert retention portion is formed in the upper end, at a forward end of the cutting tool segment. A resilient retention arm is formed in the upper end, rearwardly spaced apart from the insert retention portion. The retention arm has an upper abutment surface. In a side view of the cutting tool segment, the upper and lower abutment surfaces are linear. | 02-26-2015 |
20160175950 | PERIPHERAL CUTTING TOOL UTILIZING STICK BLADES | 06-23-2016 |
407048000 | Apertured tool | 23 |
20090214305 | COOLANT NOZZLES FOR MILLING CUTTERS - A milling cutter | 08-27-2009 |
20090232609 | Cutting insert - The invention relates to a cutting insert, in particular for machining crankshafts, having two base surfaces ( | 09-17-2009 |
20090245950 | INDEXABLE INSERT WITH NICK - An indexable insert with nicks for a rotary tool includes plurality of nicks are provided in an upper surface serving as a flank face. The nicks have their ends in the upper surface. The nicks divide a ridge line serving as a main cutting edge in a longitudinal direction. Each nick has a width gradually increasing toward the end. | 10-01-2009 |
20100008735 | MILLING CUTTER WITH CAM PIN AND CUTTING INSERT THEREFOR - A milling cutter includes a shank having an insert pocket and a cam pin hole. The insert pocket includes a bottom surface, a radial seating surface and an axial seating surface. A cutting insert is mounted in the insert pocket. The cutting insert includes a blind hole extending from a bottom surface. A cam pin is rotatably mounted in the cam pin hole. One end of the cam pin includes a raised boss received in the blind hole of the cutting insert. A center axis of the raised boss is offset from a center axis of the cam pin such that rotation of the cam pin causes the raised boss to exert pressure against the blind hole of the cutting insert, thereby causing one of the side walls of the cutting insert to be forced against the radial seating surface of the insert pocket. | 01-14-2010 |
20110013996 | INDEXABLE CUTTING INSERT FOR A MILLING TOOL - An indexable cutting insert ( | 01-20-2011 |
20110013997 | MILLING TOOL FOR MACHINING WORK PIECES - The invention related to a milling tool ( | 01-20-2011 |
20110038677 | MILLING CUTTING TOOL EMPLOYING A CUTTING INSERT - Disclosed is a cutting tool for milling works which employs a cutting insert. The cutting tool for milling works employs a cutting insert. By forming a concave nick cutting edge on the lateral surface of the cutting insert, it may cut a chip in a short form in case of high depth of cutting to shorten the effective cutting edge, so as to reduce a friction and a cutting resistance, thereby increasing the life span of the cutting tool as well as to facilitate a chip disposal and reduce the cutting resistance, so as to increase a feed rate at a high depth of cutting, thereby enhancing the productivity of the cutting works. By forming concave recesses on the upper and lower surfaces of the cutting insert it may reduce the cutting resistance between the chip being short cut by the concave nick cutting edge and the upper and lower surfaces. By forming a concave nick cutting edge at a major cutting edge of the cutting insert it is possible to perform a nick cutting edge function without deforming the seat lateral surface of a seat portion to couple the cutting insert with a cutter body. | 02-17-2011 |
20110103905 | Round Cutting Insert With Anti-Rotation Feature - A round cutting insert with an anti-rotation feature. The round cutting insert includes a plurality of projections formed on a first surface and another plurality of projections formed on an opposing surface. The round cutting insert is reversible and indexable. The round cutting insert is removably received in an insert receiving pocket in a tool body wherein the insert receiving pocket includes a plurality of dimples for receiving one of the plurality of first projections or the plurality of second projections. This arrangement prevents rotation of the round cutting insert while mounted in the insert receiving pocket. | 05-05-2011 |
20110305533 | MILLING TOOL AND CUTTING ELEMENT FOR A MILLING TOOL - A milling tool for working non-metal materials, in particular wood, engineered wood, and plastic, includes a carrier body, a plurality of cutting elements, which can be inserted into said body on the periphery in a corresponding number of openings extending in the radial direction and can be screwed to the carrier body by way of a bore and which have a plate-shaped and in the cross-section a substantially triangular-shaped design and on a side edge are provided with a blade. The cutting element includes: a) the region located opposite of the blade is rounded, b) a groove extending substantially at a right angle to the blade is provided in the bottom, c) the bore divides the groove preferably into two regions. The opening includes: d) a web, which extends radially upward from the bottom of the opening serving as a support surface for the cutting element and which corresponds with the groove, e) a radial threaded bore, which preferably divides the web into two regions, and f) the cutting element has contact with the opening only with the bottom thereof, a side wall of the groove and part of the region located opposite of the blade. | 12-15-2011 |
20120039676 | T-Slot Cutter Having Separate Centering and Torque-Transmitting Portions - A cutting head ( | 02-16-2012 |
20120114434 | CUTTER-TOOLING ASSEMBLY - A cutter-tooling assembly has a tool holder and a cutter. The tool holder has an inserted section and a through hole axially formed through the inserted section. The through hole has a fixing segment. The fixing segment has an inner surface and multiple recesses formed around the inner surface of the fixing segment at intervals. The cutter is inserted into the through hole of the tool holder and has a fixing end. The fixing end has an outer surface and multiple corners formed on the outer surface of the fixing end and abutting the recesses. Because the fixing segment has the multiple recesses which the corners of the cutter abut, the combination of the recesses and the corners can prevent a relative rotation between the tool holder and the cutter and make the cutter securely connected with the tool holder. | 05-10-2012 |
20130051938 | Cutting Tool and Cutting Insert Having Clamping Bore with Spaced Apart Clamping Portions Therefor - A cutting tool has a cutting insert removably secured to a tool body by a fastening member. The cutting insert includes a clamping bore having at least two upper and at least two lower clamping portions intersecting a first and a second horizontal plane, respectively, the first and second horizontal planes being perpendicular to a central axis and spaced apart from each other, and the clamping bore being non-circular at cross-sections taken in the first and second horizontal planes. Upper and lower imaginary lines tangential to the at least two upper and the at least two lower clamping portions, respectively, form zero or acute first and second clamping angles with the central axis, the first and second clamping angles being different. Exactly two upper and exactly two lower clamping portions are in simultaneous clamping contact with an equal number of corresponding clamping zones on the fastening member. | 02-28-2013 |
20130156515 | Cutting Insert and Cutting Tool - A cutting insert has polygonal first and second end surfaces which are connected by a peripheral side surface, each end surface defining first and second end planes, respectively. The peripheral side surface has first peripheral side portions alternated in the circumferential direction with second peripheral side portions. The first peripheral side portions are inverse copies of the second peripheral side portions. Each peripheral side portion includes first and second sub-faces which form different angles with the first and second end planes. The first and second sub-faces intersect one another between the first and second end planes to form a line which is parallel to the first and second end planes. | 06-20-2013 |
20130216319 | CUTTING TOOL HOLDING A PLURALITY OF TYPES OF CUTTING INSERTS - A toolholder for holding a plurality of types of removable cutting inserts is provided. The toolholder includes a toolholder body having an insert-receiving recess. The recess includes an insert abutment surface for abutting a corresponding insert supporting surface of an insert. The insert abutment surface includes a first portion that abuts a first insert supporting surface of a first type of cutting insert and a second portion abuts a second insert supporting surface of a second type of cutting insert. | 08-22-2013 |
20130251464 | Triangular Cutting Insert and Cutting Tool - A triangular cutting insert has first and second surfaces, a midplane, a peripheral surface, with an insert center axis. The peripheral surface has alternating relief flanks and corners. A major cutting edge formed between each relief flank and the first and second surfaces, connects at a corner to a wiper edge included in a bounding plane of the insert. The wiper edge further connects to a transitional slope directed toward the midplane and an adjacent major cutting edge. Viewed along the insert center axis, an insert footprint is symmetrical to each corner bisector, and each major cutting edge is perpendicular to the associated secondary slope. Viewed perpendicular to the bisector, the relief flank is in a peripheral plane, and the transitional slope is between the peripheral plane and the insert center axis. Viewed along the corner bisector, each visible major cutting edge forms a first angle with the bounding plane. | 09-26-2013 |
20130294851 | Milling tool as well as set of milling inserts of a milling tool - A milling tool for slot milling includes a tool body and a plurality of separated first seats, which form root insert seats for root inserts arranged one after the other along a first line and a plurality of separated flank insert seats that includes a plurality of second seats for flank inserts . The plurality of second seats is arranged one after the other along a second line on a primary side of the root insert seats. A plurality of third seats for flank inserts is arranged one after the other along a third line on a secondary side of the root insert seats. Each flank insert seat includes a bottom surface, an inner side surface, and an outer side surface. Each flank insert includes an under side, an opposite upper side, and a circumferential edge side that forms a rake face connecting the upper side and the underside. | 11-07-2013 |
20140086694 | DOUBLE-SIDED CUTTING INSERTS WITH ANTI-ROTATION FEATURES - A double-sided cutting insert may generally comprise: a top surface; a bottom surface; at least one side surface interconnecting the top surface and the bottom surface and forming at least one cutting edge; a through hole extending between the top surface and bottom surface; and wherein each of the top surface and bottom surface comprise an anti-rotation element comprising a single recess comprising a generally cyclic conical periphery. Each of the top surface and bottom surface may comprise at least one cyclic conical face. The recess may comprise a geometry that is complementary to the at least one cyclic conical face of the projection in an insert receiving pocket in a tool holder. A cutting tool incorporating one or more of the cutting inserts, and methods of making and using the cutting inserts are also described. | 03-27-2014 |
20150139743 | SINGLE-SIDED INDEXABLE RAMPING MILLING INSERT AND RAMPING MILLING TOOL - A single-sided ramping milling insert for ramping operations has top and bottom surfaces and a peripheral surface which extends therebetween. The peripheral surface meets the top and bottom surfaces at respective top and bottom edges. The top edge includes two opposite side cutting edges, two opposite ramping cutting edges, two diagonally opposite raised corner cutting edges and two diagonally opposite associated lowered corner cutting edges. The lowered corner cutting edges are closer to the bottom surface than the raised corner cutting edges. The bottom edge has two diagonally opposite bottom corner edges. The lowered corner cutting edges and the bottom corner edges are convexly curved and a depression is recessed into the peripheral surface between each lowered corner cutting edge and its associated bottom corner edge, the depression configured for providing relief from a convex workpiece surface cut by the lowered corner cutting edge during ramping operations. | 05-21-2015 |
20150336187 | CUTTING INSERT AND MILLING CUTTER INCLUDING SAME - A cutting insert mountable in an insert pocket of a milling cutter and capable of effectively absorbing a radially outward force during high speed machining and high ramp machining. The cutting insert has a top surface, a bottom surface, peripheral surfaces extending between the top and bottom surfaces, a mounting hole extending through the top surface and the bottom surface, a protrusion portion protruding from the bottom surface, and a pair of lower inclined abutment surfaces formed at opposite edges of the bottom surface. The lower inclined abutment surfaces are inclined in opposite directions toward a pair of opposing peripheral surfaces, outwardly and upwardly relative to the protrusion portion. The protrusion portion extends across the mounting hole and has a lateral surface facing radially outwardly of the milling cutter. The lateral surface selectively contacts or does not contact the insert pocket depending on a revolution speed of the milling cutter. | 11-26-2015 |
20160023286 | BLADE POSITIONING STRUCTURE OF DISPOSABLE MILLING CUTTER - A blade positioning structure of a disposable milling cutter includes a cutter body and a disposable blade. The cutter body is peripherally provided with a blade seat. By passing a screw through the disposable blade and the blade seat, the disposable blade is locked to the blade seat. The blade seat has a blade seat surface and a sidewall; the blade seat surface has a groove; the disposable blade has a bottom surface provided with a projection corresponding in shape to the groove; and when the disposable blade is locked to the blade seat, the blade seat surface and the groove of the latter lie respectively and tightly against the bottom surface and the projection of the former. | 01-28-2016 |
20160023287 | LOCKING STRUCTURE FOR DISPOSABLE BLADES - A locking structure for disposable blades includes a cutter body and a disposable blade. The cutter body has a cutting periphery circumferentially provided with a plurality of blade seats each having a threaded hole tilted at a first angle. The first angles of the threaded holes in the blade seats of the cutter body are defined alternately in opposite directions such that the first angles of the threaded holes of each two adjacent blade seats are defined in the opposite directions. The disposable blade is provided on one of the blade seats of the cutter body and is penetrated by a screw hole tilted at a second angle equal to the first angle. The disposable blade is locked to the cutter body by a screw. | 01-28-2016 |
20160082528 | ROTARY CUTTING TOOL AND REVERSIBLE CUTTING INSERT HAVING VARIABLE-WIDTH MINOR RELIEF SURFACES THEREFOR - In a rotary cutting tool used for milling operations, a reversible cutting insert is removably secured in a cutting body. The cutting insert has two opposing end surfaces interconnected by a continuous peripheral surface, which includes three side surfaces alternating with three corner surfaces. The side and corner surfaces intersect with both end surfaces at side and corner edges, respectively, with each side edge having a major cutting edge, and each corner edge having a corner and minor cutting edge. Each minor cutting edge has a projected minor cutting length, in an end view, and each associated minor relief surface has a minor relief width between two lateral boundary points contained in a horizontal plane, varying with an offset distance between the horizontal plane and a median plane. Each projected minor cutting length is greater than the maximum minor relief width of its associated minor relief surface. | 03-24-2016 |
20160375506 | CUTTING INSERT AND MILLING CUTTER - A cutting insert includes a first surface and a second surface each of which is polygonal and that face away from each other; a side surface that is continuous with the first surface and a side surface that is continuous with the second surface; a cutting edge formed along each of a ridge where the first surface and the side surface intersect and a ridge where the second surface and the side surface intersect; a bearing surface formed in each of a part the first surface and a part of the second surface adjacent to an insert center, the bearing surfaces disposed parallel to each other; and a recessed portion that separates the side surface that is continuous with the first surface from the side surface that is continuous with the second surface. The cutting edge includes three corner edges, a first cutting edge, and a second cutting edge, the first and second cutting edges being continuous with each other and located between each pair of the corner edges. A length of the first cutting edge is greater than that of the second cutting edge, an end portion of the first cutting edge adjacent to one of the corner edges is at a position higher than the bearing surface, and an end portion of the first cutting edge opposite to the end portion adjacent to the corner edge is at a position lower than the bearing surface. Each of the first surface, the second surface, and a cross section of the recessed portion has such a shape that outlines of the shape before and after rotation of the insert by 120° around the insert center are coincident with each other. The first surface and the second surface have the same shape, and the second cutting edge of the second surface is located at a corner at which the first cutting edge of the first surface is located. | 12-29-2016 |
407049000 | Wedge clamp element | 10 |
20080267722 | INDEXABLE MILLING INSERT - An indexable milling insert which is attachable on a rotatable tool holder, preferably under an axial angle different from zero, and which is formed by a trapezoidal insert body, with a substantially planar bearing surface, a further substantially planar surface opposite to the same, and with lateral surfaces formed between the same as well as with opposing cutting edges with associated faces and clearance surfaces adjacent to the same, wherein the faces are formed by one worked-in groove and the clearance surfaces by one lateral surface of the insert body at a time, characterised in that the insert body is provided in the form of an equal-sided lozenge with cutting edges on all the edges of the lozenge, wherein on each flat side, two approximately parallel cutting edges with associated faces are provided at a time, and the pairs of cutting edges of one flat side at a time are associated to different edge pairs of the lozenge. | 10-30-2008 |
20080273930 | Milling Tool, a Cutting Insert for Milling Tool as Well as a Solid Milling Tool - The invention relates to a milling tool intended for chip-removing machining, comprising a basic body rotatable around a geometrical centre axis and a plurality of peripherically spaced-apart, detachable cutting inserts, which separately are securable in insert pockets adjacent to chip channels formed in the basic body, the individual cutting insert having at least one edge formed between a chip surface on the top side of the cutting insert and a clearance surface along the periphery side of the cutting insert, the tool geometry being markedly positive so far that the individual insert pocket is arranged to secure the individual cutting insert in a position in which the chip surface is inclined in relation to the centre axis while forming a positive angle of inclination. Characteristics of the invention is the combination that the angle of inclination between the chip surface and the centre axis is within the range of 25-28°, that the cutting edge cross section-wise has an arc-shape having a radius of curvature (ER) within the range of 5-20 μm, that the clearance surface of the cutting insert is formed with a clearance bevel, which extends from the cutting edge in the direction of the bottom side of the cutting insert and transforms into a main clearance portion, that the clearance angle (γ) of the clearance bevel is larger than 0°, but smaller than 3°, that the clearance angle (γ) of the main clearance portion is larger than the clearance angle (γ) of the clearance bevel, that the extension of the clearance bevel from the cutting edge to the main clearance portion is within the range of 0.05-0.30 mm, that the chip surface is formed with a reinforcement bevel, which extends from the cutting edge in the direction of the centre of the cutting insert and transforms into a main chip portion, the angle of inclination of the reinforcement bevel in relation to the centre axis being larger than −5°, but smaller than +5°, and that the extension of the reinforcement bevel from the cutting edge to the main chip portion is within range of 0.05-0.15 mm. The invention also separately relates to a milling insert as well as a solid milling tool. | 11-06-2008 |
20090129875 | Clamping Assembly for Woodworking Knife - A clamping assembly to hold a woodworking knife in place in a woodworking machine. The clamping assembly comprises a clamping component comprising a body and an actuator. The body has three discrete contact positions distributed thereon: 1) a fulcrum located generally at one end, 2) a knife abutting portion located generally at the other end, and 3) a bearing surface located elsewhere. The actuator is for applying a clamping force to the body along a clamping axis located intermediate of the knife abutting portion and the fulcrum. The fulcrum is a surface having a normal that is at an angle to the clamping axis. The bearing surface is a surface wherein a line normal to the bearing surface intersects the line normal to the fulcrum at a position outside of the clamping component at a location farther askew of the clamping axis than the fulcrum. | 05-21-2009 |
20090208299 | METHOD FOR MANUFACTURING DISPOSABLE ROTARY CUTTING TOOLS AND DISPOSABLE ROTARY TOOL FOR DENTAL OR MEDICAL APPLICATIONS - The shank ( | 08-20-2009 |
20090245951 | INSERT CLAMPING WEDGE AND INSERT-DETACHABLE TYPE CUTTER - An insert clamping wedge for clamp-fixing a cutting insert, seated in an insert attachment seat formed in a cutter body, to a recessed portion formed in the insert attachment seat is provided, the insert clamping wedge including: a wedge body, wherein the insert clamping wedge is pressed into the cutter body, wherein the wedge body includes a clamp surface which comes into close contact with the cutting insert and a wedge surface of which a gap between itself and the clamp surface becomes smaller in a press-insertion direction of the wedge body, and wherein the section perpendicular to the press-insertion direction of the wedge body from the wedge surface to the clamp surface being formed in a bell shape. | 10-01-2009 |
20110081211 | Tool and inserts for milling splines - The invention discloses an improved tool and inserts for concurrently milling multiple splines on a round (rod) material. Replaceable inserts having teeth formed to have their cutting edges shaped in the arc of a circle are disclosed. The inserts each include at least two sets of rough milling teeth. The tool holder shank includes recesses which provide a common or universal unit for receiving various sized groupings, each comprising an insert, a wedge for securing the insert, and a supporting member for the insert. | 04-07-2011 |
20110135409 | INSERT CLAMPING WEDGE AND INSERT-DETACHABLE TYPE CUTTER - An insert clamping wedge for clamp-fixing a cutting insert, seated in an insert attachment seat formed in a cutter body, to a recessed portion formed in the insert attachment seat is provided, the insert clamping wedge including: a wedge body, wherein the insert clamping wedge is pressed into the cutter body, wherein the wedge body includes a clamp surface which comes into close contact with the cutting insert and a wedge surface of which a gap between itself and the clamp surface becomes smaller in a press-insertion direction of the wedge body, and wherein the section perpendicular to the press-insertion direction of the wedge body from the wedge surface to the clamp surface being formed in a bell shape. | 06-09-2011 |
20110182678 | SLOTTING CUTTER WITH CANTILEVERED MEMBER - A slotting cutter includes a disc-like cutter body rotatable in a predetermined direction on a central axis perpendicular to a plane of the cutter body. A plurality of cutting insert receiving pockets and a corresponding number of wedge receiving pockets are formed about a perimeter of the body. A cutting insert is replaceably mounted in each insert receiving pocket of the cutter body, and a clamping wedge is replaceably mounted in each wedge receiving pocket of the cutter body. A cantilevered member is disposed between each insert receiving pocket and a respective wedge receiving pocket to securely hold the cutting insert in the cutter body. | 07-28-2011 |
20120093595 | Cutting Tool and Cutting Insert for the Same - A cutting tool for machining large workpieces having relatively a large cutting amount and a cutting insert configured to be used with the cutting tool. The cutting tool includes a cutting insert and a wedge for clamping the cutting insert. The cutting insert has a polygonal top surface, which comprises a recessed portion having a plurality of inclined abutment surfaces which are inclined toward the center of the top surface. The outline of said recessed portion is twisted at a predetermined angle with respect to the outline of the top surface. The wedge includes a projecting portion that contacts the inclined abutment surface and pushes the cutting insert so that two side surfaces of the cutting insert can be supported by a radial inner side surface and a lateral supporting surface of an insert seat. | 04-19-2012 |
20150117971 | Indexable Asymmetric Cutting Insert and Cutting Tool Therefor - An indexable cutting insert has two cutting protrusions extending from opposite end surfaces towards a mid plane. Each cutting protrusion has a rear surface, an oppositely facing rake surface, a relief surface. A main cutting edge is formed at the intersection of the rake and relief surfaces, and extends between two main cutting edge ends. An edge projection is formed by a line connecting longitudinal projections of the main cutting edge ends of each main cutting edge. The edge projections of both of the main cutting edges form a non-zero first angle therebetween. The rake surfaces of the cutting protrusions are located on longitudinally opposite end surfaces of the cutting insert. Two clamping recesses and two abutment recesses serve as contact surfaces for clamping the cutting insert in an insert pocket of a cutting tool. | 04-30-2015 |