| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 407020000 | GEAR CUTTING TOOL | 22 |
| 20150306688 | GEAR CUTTER WITH RADIAL ADJUSTABILITY OF SQUARE OR RECTANGULAR STICK BLADES - A bevel gear manufacturing face cutter head ( | 10-29-2015 |
| 407021000 | Face mill gear cutting tool | 7 |
| 20080279642 | Tool for improved chip flow - A manner of reducing or eliminating chip packing in gear cutting tools, especially in bevel gear cutting tools wherein the back surfaces of at least some cutting blades are modified by the introduction of a rake angled surface and/or a hook angled surface thereby resulting in an opening-up of the gap between successive cutting blades in a direction radially or axially away from the cutting tool. Such an opening-up facilitates the removal of chips from between the cutting blades as the cutting tool rotates during cutting. | 11-13-2008 |
| 20150132075 | Gear hobbing tool as well as an insert holder, a chip removal unit, and an insert kit therefor - A tool for cyclo-palloid gear hobbing includes a head and a plurality of milling inserts protruding from a front side thereof. The milling inserts are mounted, two by two, in chip removal units that are detachably connected to the head. Each milling insert is clamped by a wedge and a screw that are easy to access. The wedge acts tangentially against the milling insert behind which there is a tangential support in the form of a shoulder. By clamping the milling insert with a respective wedge the milling inserts can be mounted and dismounted in a simple way, and each group of wedge+milling insert+tangential support can be located tangentially and thereby efficiently carry the cutting forces acting on the milling insert. In further aspects, an insert holder intended for the tool, a chip removal unit of an insert holder and an insert kit are disclosed. | 05-14-2015 |
| 20150298230 | Dual-Hand Cutter Head For Gear Manufacture - A cutter head ( | 10-22-2015 |
| 407022000 | Adjustable teeth | 4 |
| 20100196107 | BEVEL GEAR CUTTING TOOL WITH CUTTER BARS - The invention relates to a form blade ( | 08-05-2010 |
| 20110164931 | Tool Head - A tool head is provided that can easily correct the shape of a tooth surface. Slot holes are formed in a main head body, that tilt either distally or proximately to the central axis of rotation (CAR) of the main head body. Concave tooth surface blades for cutting concave tooth surfaces are installed in the slot holes that tilt distally, and convex tooth surface blades for cutting convex tooth surfaces are formed in the slot holes that tilt proximately. By changing the amount that the concave or convex tooth surface blades protrude, the cutting portions of the concave or convex tooth surface blades are moved in either distal or proximate directions. By changing the distance from the CAR to the cutting portions in this manner, it is possible to correct the shape of the concave or convex tooth surfaces of a bevel gear. | 07-07-2011 |
| 20140056657 | Face hobbing cutter system and indexable milling inserts for use in the same - A face hobbing cutter system for face hobbing spiral bevel gears. The system includes at least one set of detachable cartridge assemblies having a plurality of respective cartridge assemblies. Each cartridge assembly includes a plurality of cartridges and indexable milling inserts. A part of the inserts of each set of cartridge assemblies are rhombic, tangential-mounted inserts for milling flanks of spiral bevel gear teeth, while the other inserts are grooving inserts, which are arranged transversely to the tangential-mounted inserts, for milling roots of spiral bevel gear teeth. The tangential-mounted inserts of each set of cartridge assemblies are provided in pairs, one being provided with its front facing the central axis, and the other being provided with its front facing away the central axis, to respectively mill concave curved flanks and convex curved flanks of the spiral bevel gear teeth. | 02-27-2014 |
| 20160039023 | CUTTER WITH POSITIVE SEATED STICK BLADES FOR BEVEL GEAR CUTTING - A bevel gear manufacturing face cutter head ( | 02-11-2016 |
| 407023000 | Hob | 7 |
| 20150314382 | METHOD FOR DETERMINING THE FLANK FACE CONTOUR OF A GEAR SKIVING TOOL, GEAR SKIVING TOOL AND USE THEREOF - A clearance angle, of a blade-like tool or tool tooth of a tool for hob peeling workpieces is determined by defining the rake face contour of the tool and calculating the progression of path movement of the rake face during chip-breaking hob peeling, taking into account a pre-determinable transmission ratio between the tool and the workpiece determined by the respective number of teeth, and the desired tooth cross-section contour of the tool, and determining a tangential speed for points of the cutting edge of the tool during chip-breaking, wherein hob peeling is determined in the form of vectors that are displayed graphically as bundles for each point on the cutting-edge and a closed envelope surface is determined, which plus a desired clearance angle is selected as the shape for the flank face contour of the tool or of the flank face of the tool tooth. A tool is also provided. | 11-05-2015 |
| 407025000 | Including holder having seat for inserted tool | 5 |
| 20110243671 | HOB - A hob having a helically curved tooth profile. A plurality of segments covering only a limited angle range are attached to a base body for forming the tooth profile. The segments abut each other in the circumferential direction of the base body, and the segments form rows in the direction of the longitudinal axis of the base body. The segments each comprise a segment foot and a segment profile disposed diagonally thereon. The diagonal arrangement of the segment profile forms a coiled slope of the helically curved tooth profile in each segment and the tooth profile can be built up simply by arranging the segments in rows in the circumferential and the longitudinal directions. | 10-06-2011 |
| 20120207553 | Milling Tool for Gear Milling - Milling tool has a tool body with a fixing end, an opposite outer end, and a peripheral surface. The tool body comprises a large number of separated seats arranged at the peripheral surface one after the other along a helix line having a constant pitch. Corresponding large number of replaceable milling inserts comprise an under side, an opposite upper side forming a chip surface, a circumferential edge side, and two pairs of main cutting edges. The chip surface extends in an extension plane that comprises the main cutting edges. Each seat receives one of the milling inserts and comprises a support surface allowing support to the milling insert projecting from the tool body for cutting engagement with a gash of the workpiece. The chip surface extension plane of each milling insert has a normal parallel to the tangent of the helix line where the same intersects the extension plane. | 08-16-2012 |
| 20140072376 | Milling tool - The invention relates to a milling tool for gear milling. The tool body is equipped with tangentially mounted milling inserts having four cutting edges and two holes, only one of which is utilized for a fixing screw in two of totally four index positions. By locating a screw hole in the seat of the milling insert at a distance from the radial support surface of the seat that is greater than the distance between an individual hole and a distal end of the milling insert, a clamping force is provided by means of the inherent elasticity of the fixing screw. In such a way, the milling insert is pressed against the radial support surface. By means of a transversal eccentricity, the milling insert is also pressed against a tangential support surface in the seat. By means of this construction, the two holes in differently long milling inserts can be formed with equally large distances from distal ends. Thereby, one and the same tool body can be equipped with differently long milling inserts. | 03-13-2014 |
| 20150321276 | MILLING TOOL AND A TOOL BODY - A milling tool includes a tool body having a peripheral surface and a central rotation axis. A number of cutting teeth protrude from the peripheral surface, a front end set of the cutting teeth arranged along a front end portion of an imaginary helix concentric with the central rotation axis, and a back end set along a back end portion of the helix. The cutting teeth engage the workpiece successively, starting with the foremost cutting tooth of the front end set. The back end set includes at least three along the helix adjacent cutting teeth arranged at a constant first radial distance from the central rotation axis. The front end set has at least two adjacent cutting teeth arranged at an along the helix non-constant second radial distance from the central rotation axis. The second radial distance is smaller than the first radial distance and increases successively along the helix. | 11-12-2015 |
| 20160067805 | CUTTING INSERT AND MILLING TOOL - An indexable cutting insert for milling of a root between two cogs of a cog wheel includes a top surface forming a chip surface, a bottom surface, a side surface forming a clearance surface, a first and a second curved cutting edge formed at an intersection between the top surface and the side surface for milling of the root between the two cogs. The bottom surface includes a first planar abutment section and a second planar abutment section. A first groove extends in the first abutment section and a second groove extends in the second abutment section, each along an axis parallel to a virtual line connecting the apexes of the first and second cutting edges. A first and a second stop section extend across the virtual line, wherein the first stop section protrudes above the first abutment section and the second stop section protrudes above the second abutment section. | 03-10-2016 |
| 407026000 | For cutting involute gear tooth | 1 |
| 20130309026 | TOOL FOR CUTTING GEAR AND METHOD FOR CUTTING GEAR - There is provided a tool for efficiently cutting a face gear to be meshed with a helical gear. When a circular tooth thickness of a tooth tip of a cutting edge portion is represented as S | 11-21-2013 |
| 407028000 | Gear generating, revolving shaper cutting tool | 2 |
| 20150063927 | Tool and a cutting insert for power skiving - A power skiving tool includes a basic body, which is equipped with a plurality of replaceable cutting inserts, by means of which chips can be carved or peeled out of a workpiece with the purpose of forming, for instance, teeth. The individual cutting insert is formed with only one cutting edge) and has a rear end in the form of a shoulder surface, against which an adjusting mechanism is pressed for the fine adjustment of the radial position of the cutting insert in relation to the basic body. On the underside of the cutting insert, there is in addition a control means, e.g. a serration connecting surface, which interacts with the corresponding control means in the appurtenant seat in the basic body. In addition, the invention concerns a power skiving cutting insert as such. | 03-05-2015 |
| 20160008900 | Cutting insert and power skiving tool | 01-14-2016 |
| 407029000 | Rotary, tooth form cutting tool | 5 |
| 20120076595 | GEAR MILLING CUTTER AS WELL AS A REPLACEABLE MILLING INSERT THEREFOR - A gear milling cutter, including a basic body being rotatable around a center axis and having a rotationally symmetrical basic shape, which includes two opposite flank sides that extend radially inward from a periphery of the basic body, and a plurality of replaceable milling inserts, which are mounted on the flank sides and individually comprise a cutting edge that is formed between a chip surface and a clearance surface and extends between a pair of opposite and radially separated ends of the milling insert. Some of the plurality of milling inserts are root inserts, which are placed in tangentially spaced-apart positions along the periphery of the basic body. Others of the plurality of milling inserts are flank inserts, which are tangentially spaced-apart and placed in at least one ring formation located radially inside the root inserts. Sweep areas of radially separated milling inserts overlap each other in a ring-shaped overlapping zone by radially inner ends of at least the root inserts being situated nearer the center axis of the basic body than the radially outer ends of the flank insert next inside. The cutting edge of each milling insert includes a straight main edge, and a part edge that is located between the straight main edge and one of the ends of the milling insert and is shorter than the main edge, the part edge deviating from a straight reference line in the extension of the main edge in the direction of an end of the milling insert at a deviation angle (α) of at most 10°. The cutting edges of the root inserts overlap the cutting edges of the flank inserts in a point of intersection situated between end points of the part edges. | 03-29-2012 |
| 20120301233 | SIDE-MILLING CUTTER, IN PARTICULAR FOR MACHINING TOOTHING SYSTEMS - The invention relates to a side-milling cutter for producing a toothing system, having at least one insert having a rectangular cross section arranged in a holding pocket as an insert seat, having two top surfaces facing away from each other, having two long insert sides located opposite each other and also having two narrow insert sides located opposite each other. Of four cutting edges of the insert which extend along the long insert sides in the longitudinal direction, in each case two cutting edges delimit the top surfaces of the insert at the edge, each cutting edge extending in a curve. | 11-29-2012 |
| 20120321397 | Milling Tool as well as Segment Therefor - Milling tool formed for hobbing of workpieces having cogs has a cylindrical tool body defining a rotation axis and a plurality of disc-shaped segments. Each segment includes a hub part having two opposite plane-parallel end surfaces extending perpendicular to the rotation axis, and a peripheral cam having a plurality of tangentially spaced-apart milling inserts. Bordering segments are detachably interconnected by male and female members co-operating in pairs and situated with the rotation axis extending through the members, each of which include a contact surface converging from a big end toward a small end and, in a cross-section across the rotation axis, form an out-of-round curve. Contact surfaces are dimensioned so that, when members are brought together, they direct their two bordering segments toward an end position centred and mutually angularly determined by the out-of-round cross-section curve and where plane-parallel end surfaces abut against each other. An individual segment is disclosed. | 12-20-2012 |
| 20140314504 | POWER SKIVING TOOL FOR POWER SKIVING GEAR TEETH ON A CROWN WHEEL WORKPIECE - A power skiving tool for producing multiple tooth gaps by means of a power skiving method on a ring-shaped or disk-shaped workpiece, which has a workpiece axis of rotation is provided. The power skiving tool includes a tool axis of rotation, a skiving conical body, which is in the form of a hyperboloid or truncated cone, and which is arranged rotationally-symmetrically to the tool axis of rotation, and multiple cutting teeth, which protrude essentially radially out of a lateral surface of the skiving conical body. Each of the cutting teeth has a rake face and at least one cutting edge, and all rake faces have a cutting surface normal, which encloses an acute angle, which is less than 40°, with the tool axis of rotation, and wherein the power skiving tool is designed for axially-offset power skiving of the workpiece. | 10-23-2014 |
| 20160059333 | Cutting insert and gear milling cutter - A cutting insert and a gear milling cutter is disclosed. A first major side portion of an insert body of the cutting insert is provided with a first recess having a first bottom surface ( | 03-03-2016 |
