Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23B—TURNING; BORING
  • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
  • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
  • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
  • B23B27/1603—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove
  • B23B27/1611—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove characterised by having a special shape
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23C—MILLING
  • B23C5/00—Milling-cutters
  • B23C5/16—Milling-cutters characterised by physical features other than shape
  • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23C—MILLING
  • B23C5/00—Milling-cutters
  • B23C5/28—Features relating to lubricating or cooling
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23B—TURNING; BORING
  • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
  • B23B27/10—Cutting tools with special provision for cooling
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23C—MILLING
  • B23C5/00—Milling-cutters
  • B23C5/16—Milling-cutters characterised by physical features other than shape
  • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
  • B23C5/202—Plate-like cutting inserts with special form
  • B23C5/205—Plate-like cutting inserts with special form characterised by chip-breakers of special form
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
  • B23G1/00—Thread cutting; Automatic machines specially designed therefor
  • B23G1/32—Thread cutting; Automatic machines specially designed therefor by milling
  • B23G1/34—Thread cutting; Automatic machines specially designed therefor by milling with a cutting bit moving in a closed path arranged eccentrically with respect to the axis of the rotating workpieces
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
  • B23G5/00—Thread-cutting tools; Die-heads
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
  • B23G5/00—Thread-cutting tools; Die-heads
  • B23G5/005—Thread-cutting tools; Die-heads with lubrication or cooling devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
  • B23G5/00—Thread-cutting tools; Die-heads
  • B23G5/18—Milling cutters
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23B—TURNING; BORING
  • B23B2220/00—Details of turning, boring or drilling processes
  • B23B2220/52—Whirling
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23C—MILLING
  • B23C2200/00—Details of milling cutting inserts
  • B23C2200/36—Other features of the milling insert not covered by B23C2200/04 - B23C2200/32
  • B23C2200/367—Mounted tangentially, i.e. where the rake face is not the face with largest area
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23C—MILLING
  • B23C2210/00—Details of milling cutters
  • B23C2210/50—Cutting inserts
  • B23C2210/503—Cutting inserts mounted internally on the cutter
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23C—MILLING
  • B23C2220/00—Details of milling processes
  • B23C2220/68—Whirling
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23C—MILLING
  • B23C5/00—Milling-cutters
  • B23C5/02—Milling-cutters characterised by the shape of the cutter
  • B23C5/08—Disc-type cutters
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
  • B23G2200/00—Details of threading tools
  • B23G2200/12—Threading tools comprising inserts for thread forming
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
  • B23G2240/00—Details of equipment for threading other than threading tools, details of the threading process
  • B23G2240/60—Thread whirling, i.e. production of a thread by means of an annular tool rotating about an axis not coincident with the axis of the thread being produced
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
  • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
  • B23Q11/10—Arrangements for cooling or lubricating tools or work

Definitions

• the present invention relates to a swirling tool for machining a
• the whirling tool according to the invention has a plurality of cutting plates, each of the cutting plates having at least one cutting edge.
• the swirling tool according to the invention also has a cutting plate carrier, which has a plurality of cutting plate receptacles for receiving and releasably securing each one of the cutting plates, wherein the cutting plate receptacles are distributed circumferentially over the cutting plate carrier, wherein the cutting plate carrier along a Central axis of the cutting plate carrier extending through opening, through which the workpiece during machining is guided, and wherein the cutting plates protrude in the assembled state in the through hole.
• Whirling is a machining production process which forms a special form of screw milling with regard to the tool and the kinetics. Whirling serves in particular for the production of threads, but can also generally be used for the production of rotationally symmetrical parts, such as screws, screws or rotors.
• Characteristic of the whirling is that both the whirling tool and the
• the swirl tool which determines the cutting speed, orbits eccentrically positioned at high speed around the slowly rotating workpiece.
• the advance of the workpiece along its longitudinal axis is set according to the desired thread pitch to be produced.
• the eddy tool is pivoted according to the desired thread pitch.
• the radial feed of the swirling tool relative to the workpiece determines the thread depth.
• the swirling tool according to the present invention is particularly suitable for external whirling.
• External vortexing in contrast to internal vortexing, which is used to produce internal threads, is typically used to produce external threads.
• internal vortexing which is used to produce internal threads
• the blades are directed inwardly, with the blades projecting into the central through hole of the swirling tool.
• the whirling tool rotates around the workpiece. External whirling is therefore sometimes also referred to as milling with internally toothed milling cutters.
• Coolant hoses or pipes The cooling is therefore far away from the cutting site. A reliable cooling of the inserts or cutting can not always be guaranteed. Likewise, the direction of the coolant jet is often severely limited due to the external coolant supply.
• the present invention is therefore based on the object to provide a whirling tool with optimized cooling and lubricant supply.
• the swirling tool has a coolant channel, which is arranged in the cutting plate carrier and extending between an inlet opening and an outlet opening, wherein the outlet opening opens into the passage opening of the cutting plate carrier and / or aligned in the direction of the passage opening of the cutting plate carrier.
• the vortex tool according to the invention in contrast to the known from the prior art eddy tools on an inner coolant supply, with a coolant channel, which extends through the interior of the cutting plate carrier. Since the outlet opening of the coolant channel opens into the through opening and / or is aligned in the direction of the latter, the coolant and lubricant exit the coolant channel at a location which is very close to the cutting site.
• the swirling tool has a plurality of these coolant passages, the number of coolant passages corresponding to the number of cutting plates and each of the coolant passages in the cutting plate carrier is arranged and between each one inlet opening and each extending an outlet opening, wherein between each two adjacent
• each one of the outlet openings is arranged. In this way, a uniform cooling and lubrication of each of the cutting plates can be ensured. It is understood that more coolant channels than cutting inserts can be provided, and that more than one outlet opening can be arranged between each two cutting plates.
• the passage opening is bounded in the radial direction by an inner wall of the cutting plate carrier, wherein the outlet opening is arranged on the inner wall.
• the said inner wall defines at least a part of the passage opening. In other words, it forms the outer edge of the passage opening.
• the cutting plate receptacles in which the cutting plates are arranged are arranged, arranged on a front side of the cutting plate carrier, which is transverse to the central axis of the cutting plate carrier.
• transverse is understood to mean any orientation which is not parallel, that is to say an alignment at an angle not equal to 0 °.
• the term “cross” can, but does not necessarily mean orthogonal.
• the inlet opening is arranged on a rear side of the cutting plate carrier which lies opposite the front side of the cutting plate carrier and which extends transversely to the central axis.
• a circumferentially extending groove is arranged on the back of the cutting plate carrier, in which the input opening is arranged.
• the inlet opening of the coolant channel in this case need not be aligned exactly with a corresponding coolant transfer point on the machine tool or the vortex unit.
• the coolant and lubricant can enter at any point in the circumferential groove, and then pass through the groove to the inlet opening of the coolant channel.
• the inlet opening is arranged on a circumferential circumferential surface of the cutting plate carrier.
• this lateral surface can be used as an alternative coolant transfer point. This is particularly advantageous if the whirling tool is already clamped radially over this lateral surface in the whirling unit or the machine tool.
• the circumferential surface extending in the circumferential direction can, but does not necessarily have to, run parallel to the center axis of the insert carrier, ie orthogonally to the radial direction of the cutting plate carrier. ) 028] According to a further embodiment, at least a part of the coolant channel as
• the coolant channel does not necessarily have to be designed in the form of a bore, but can also be designed as a groove or partially as a bore and partly as a groove.
• a groove-shaped depression in or adjacent to the cutting tip holder preferably an outer side of the adjacent cutting plate, which is arranged in the respective cutting tip holder, forms a part of the outlet opening.
• Said outer side of the cutting plate preferably forms not only a part of the outlet opening, but also a wall of the coolant channel.
• the coolant channel or at least a part thereof thus extends in this embodiment directly along an outer side of the cutting plate. This makes it possible to direct the coolant and lubricant even closer and more targeted in the area of cutting the cutting plates.
• the coolant channel has a first straight
• Partial section which adjoins the outlet opening and runs along an imaginary line which intersects or touches the cutting edge, a rake surface or an open surface of one of the cutting plates.
• the first section of the coolant channel and the outlet opening thereof are thus directed directly to the processing point on the workpiece.
• the imaginary line may, but need not, coincide with the symmetry axis of the first section of the coolant channel.
• the imaginary line runs along the longitudinal axis of the first section of the coolant channel.
• the coolant channel has a first straight
• Outlet plate carrier flow out of the outlet opening. This offers particular advantages in terms of chip removal.
• the coolant channel has a first straight
• the coolant channel is designed angled in other words. This is
• the cutting plate support on a connection flange and a radially projecting from the connecting flange head part, wherein the inlet opening, the outlet opening and the cutting plate recordings are arranged on the head part.
• Vortexing tool thus preferably takes place directly on the head part of the swirling tool, in which the cutting plates are arranged. Due to the radial projection of the head part with respect to the connection flange, the coolant channel can easily be accommodated in the head part, without having to change anything on the connection flange for this purpose.
• Embodiments of the whirling tool according to the invention are in the
• FIG. 1 shows a perspective view of a first embodiment of the swirling tool according to the invention
• FIG. 2 is an exploded view of the embodiment shown in FIG. 1; FIG.
• FIG. 3 is a rear perspective view of the embodiment shown in FIG. 1; FIG.
• Fig. 4 is a rear elevational view of the embodiment shown in Fig. 1;
• FIG. 5 shows a semi-transparent front view of the embodiment shown in FIG. 1;
• Fig. 6 is a sectional view indicated in Fig. 5;
• FIG. 7 is a perspective view of a second embodiment of the swirling tool according to the invention.
• Fig. 8 is a side view of the embodiment shown in Fig. 7;
• FIG. 9 shows a semi-transparent front view of the embodiment shown in FIG. 7;
• FIG. 10 is a sectional view indicated in FIG. 9; FIG.
• FIG. 1 is a perspective view of a third embodiment of the swirling tool according to the invention.
• Fig. 12 is a rear elevational view of the embodiment shown in Fig. 11; 13 shows a semi-transparent front view of the embodiment shown in FIG. 11;
• FIG. 14 is a sectional view indicated in FIG. 13; FIG.
• FIG. 15 shows a perspective view of a fourth embodiment of the swirling tool according to the invention.
• Fig. 16 is a rear elevational view of the embodiment shown in Fig. 15;
• FIG. 17 is a semi-transparent front view of the embodiment shown in FIG. 15.
• Fig. 18 is a in Fig. 17 indicated sectional view.
• FIG. 1-18 show four different embodiments of the invention
• the exemplary embodiments differ essentially in the design of an internal coolant channel, which is provided in the interior of the swirling tool. Furthermore, there are smaller structural differences between the exemplary embodiments, in particular with regard to the configuration of a connecting flange of the swirling tool, which, however, are not of primary importance in relation to the present invention.
• Reference numeral 10 denotes.
• the swirling tool 10 has a cutting plate carrier 12, on which several
• Cutting plates 14 are releasably secured by means of fastening elements 16.
• the cutting plates 14 are preferably tungsten carbide inserts.
• the fastening screws 16 are preferably realized as clamping screws, which engage in corresponding threads which are provided in the cutting plate carrier 12.
• the clamping screws 16 are preferably provided with a Torx tool engagement or a Allen tool engagement, although in principle any types of tool interventions come into question. ) 043] Instead of clamping screws 16 could in principle also other types of
• Fasteners are used.
• one or more clamping elements could alternatively be used to clamp the cutting plates 14. It is also not necessarily necessary that a fastening element 16 is provided per insert 14. In general, only one fastening element for all cutting plates 14 could be used together.
• the cutting plate carrier 12 is preferably made of steel. It can either be constructed in one piece (from a single integral component) or in several pieces (from a plurality of components that are detachably connected to one another).
• the cutting plate carrier 12 has two base regions or sections, a head part 18 and a connecting flange 20. Both sections are integrally connected to one another in the exemplary embodiment from FIG.
• the cutting plates 14 are arranged on the head part 18.
• the head part 18 of the cutting plate carrier 12 has a plurality of cutting plate receptacles 22 for receiving in each case one of the cutting plates 14.
• the cutting plate receptacles 22 are arranged distributed in the circumferential direction on the cutting plate carrier 12.
• the cutting plate receptacles 22 are preferably configured as recesses, wherein the individual recesses, which form the cutting plate receptacles 22, are separated from each other.
• Each of the cutting plate receptacles 22 has a bearing surface 24 on which the
• the bearing surfaces 24 of the various inserts recordings 22 are preferably coplanar with each other.
• the bearing surfaces 24 of the cutting plate receptacles 22 extend transversely, preferably orthogonally to the central axis 26 of the cutting plate carrier 12.
• each cutting plate holder 22 Transversely, preferably orthogonal to the bearing surfaces 24, each cutting plate holder 22 further comprises a plurality of contact surfaces 28, 30, 32a, 32b, on which the cutting plates 14 in the assembled state abut the cutting plate carrier 12.
• the contact surfaces 28, 30 are aligned with one another at an acute angle.
• the contact surfaces 32a, 32b are aligned in the embodiment shown here in each case at an acute angle to the contact surfaces 28, 30.
• the contact surfaces 32a, 32b are coplanar to each other. In principle, instead of two partial contact surfaces 32a, 32b, a single, continuous contact surface 32 could also be provided at the same point per cutting tip holder 22.
• the cutting plate carrier 12 is partially hollow. He has one in the middle
• the passage opening 34 which extends along the central axis 26 of the Schneidplatten- carrier 12.
• the passage opening 34 is preferably designed symmetrically to the central axis 26.
• the passage opening 34 is bounded by an inner wall 36 in the radial direction of the cutting plate carrier.
• This inner wall 36 preferably has a plurality of wall sections along the central axis 26, which are cylindrical or conical in the present exemplary embodiment. In principle, however, other shapes (not necessarily symmetrical shapes), e.g. a prismatic inner wall 36 of the passage opening 34, in question.
• the workpiece to be machined with the swirling tool 10 is usually inserted eccentrically into the passage opening 34 during machining, with the swirling tool 10 being rotated about the center axis 26 of the cutting board carrier 12.
• the cutting plate carrier 12 is additionally pivoted relative to the workpiece by a predefined angle about an axis which is orthogonal to the central axis 26. The swivel angle is set in advance depending on the thread pitch to be produced and typically no longer changed during the production of the thread. While the cutting plate carrier 12 rotates, the workpiece is moved in its feed direction parallel to the central axis 26.
• each cutting plate 14 has three cutting edges 15 each.
• Each of the cutting plates 14 can therefore be used in triplicate or arranged in three different positions on the cutting plate carrier 12. It goes without saying however, cutting inserts with fewer or more than three cutting edges can be used without departing from the scope of the present invention.
• Whirling tool 10 each have a plurality of coolant channels 38, which are arranged in the cutting plate carrier 12.
• the same number of coolant channels 38 as cutting plates 14 are provided, wherein between each two adjacent cutting plates 14 as a respective coolant channel 38 is arranged. It should be noted at this point, however, that in principle would also meet one of these coolant channels 38, without departing from the scope of the present invention.
• Each of the coolant channels 38 extends between an inlet port 40 and an outlet port 42, wherein each of the coolant channels 38 preferably has its own inlet port 40 and its own outlet port 42.
• outlet openings 42 each open into the central passage opening 34 of the cutting plate carrier 12 and / or are aligned in the direction of this passage opening 34.
• the position of the inlet openings 40 as well as the type of guidance of the coolant channel 38 within the cutting plate carrier 12 is different from exemplary embodiment to exemplary embodiment in the exemplary embodiments shown here. This will be explained in more detail below.
• the inlet openings 40 of the coolant channels 38 are each arranged on a rear side 44 of the cutting plate carrier (see FIG. 3). More specifically, the inlet openings 40 are arranged on the rear side 44 of the head part 18 of the cutting plate carrier 12.
• the rear side 44 of the cutting board carrier 12 is the side of the cutting board carrier 12 facing away from the front side 46, which is shown in FIG. 1.
• the front side 46 is the side of the cutting plate carrier 12, on which the cutting plate receptacles 22 are arranged.
• the inlet openings 40 according to the first embodiment are arranged in a groove 48.
• This groove 48 is preferably designed as a circumferential groove extending in the circumferential direction.
• the main advantage of this groove 48 is that the swirling tool 10 in the circumferential direction relative to the tool holder in the machine tool does not have to be positioned exactly to ensure the coolant supply.
• the coolant can enter the groove 48 at any point and then passes along the groove 48 to the individual inlet openings 40 and thus into the individual coolant channels 38.
• the groove 48 is not necessarily circular in shape for this purpose have to be.
• two or more of these grooves 48 could also be provided, which cover individual circular segments, so that only one or two inlet openings are then arranged in each of these grooves.
• Each of these outlet openings 42 is arranged between two of the cutting plates 14, so that viewed in the circumferential direction alternately always a cutting plate 14, then an outlet opening 42 and then again an insert 14 on the cutting plate support 12 is arranged.
• the coolant channels 38 each have two in the first embodiment
• Subsections 50, 52 are configured as straight (non-curved) sections.
• the first section 50 of each coolant channel 38 adjoins the outlet opening 42 of the respective coolant channel 38.
• the second section 52 of each coolant channel 38 adjoins the inlet opening 40 of the respective coolant channel 38.
• Both sections 50, 52 merge directly into one another.
• an angled coolant channel 38 which, as shown here, has two straight sections 50, 52, has the advantage that it is much easier to manufacture.
• the coolant exiting from the outlet openings 42 is directed as accurately as possible in the direction of the cutting areas of the cutting plates 14. This can be ensured in particular in that the first straight section 50 of each coolant channel is aligned in such a way that an imaginary line 58, which coincides with the central or symmetry axis of the section 50, is aligned. falls on the cutting edge 15, a rake surface 54 or one of the free surfaces 56 each one of the cutting plates 14 intersects or tangent (see Fig. 6).
• the inlet openings 40 of the individual coolant channels 38 are arranged not on the rear side 44 but on a circumferential surface 60 of the cutting plate carrier 12 running in the circumferential direction.
• This lateral surface 60 preferably runs parallel to the central axis 26 of the cutting plate carrier 12 and thus also orthogonal to the radial direction of the cutting plate carrier 12.
• the subdivision of the individual coolant channels 38 into two straight sections 50, 52 is similar to that in the first embodiment.
• the first subsection 50 is preferably oriented such that the coolant is directed out of the outlet openings 42 in the direction of the cutting regions of the individual cutting plates 14. Accordingly, the position of the exhaust ports 42 is similarly selected as in the first embodiment.
• the second section 52 of each coolant channel 38 preferably extends in the radial direction of the cutting plate carrier.
• the inlet openings 40 of the coolant channels 38 are again arranged on the rear side 44 of the cutting plate carrier 12 or on the rear side 44 of the head part 18.
• the inlet openings 40 are not arranged in a circumferential groove, but separated from each other. The coolant transfer between machine tool and whirling tool 10 thus takes place separately for each coolant channel 38.
• the arrangement of the outlet openings 42 is in turn similar to that according to the first two embodiments.
• the division of the individual coolant channels 38 into two straight sections 50, 52 is similar to that explained above with reference to the first two embodiments.
• the first section 50 of each coolant channel 38 is aligned parallel to the front side 46 of the cutting plate carrier.
• the first section 50 of each coolant channel 38 runs along an imaginary line 62 lying in a plane 64 that is oriented orthogonally to the central axis 26 of the cutting insert carrier 12 (see FIG. 14).
• the third embodiment differs from the first two
• Embodiments essentially by constructive differences, in particular with respect to the shape of the head portion 18 and the connecting flange 20. This is essentially because the whirling tool 10 according to the third,sbei- game slightly different in the machine tool or the vortex unit is attached.
• a plurality of fastening and positioning bores 66, 68 are provided for this purpose (see FIG. 13). The essential features of the present invention, however, remain unaffected.
• the inlet openings 40 of the individual coolant channels 38 are again arranged in a circumferential groove 48 on the rear side 44 of the head part 18 of the cutting plate carrier 12, similar to the first exemplary embodiment.
• Each individual coolant channel 38 in turn consists of two straight sections 50, 52, which connect the inlet openings 40 with the respective outlet openings 42.
• the outlet openings 42 are arranged here again on the inner wall 36 of the passage opening 34.
• the essential difference from the exemplary embodiments described above is that the first section 50 of each coolant channel 38 in this exemplary embodiment is designed in each case as a groove-shaped recess 70. These groove-shaped recesses 70 are each disposed within or adjacent to one of the cutting plate receptacles 22.
• the first portions 50 of the coolant channels 38 form, it does not necessarily have to be a side surface of the cutting plates 14, as shown in Fig. 15-18.
• the first section 50 can in principle also below the cutting plates 14th be provided and introduced into the bearing surface 24 of the individual inserts cutting 22.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Cutting Tools, Boring Holders, And Turrets (AREA)
• Auxiliary Devices For Machine Tools (AREA)
• Drilling Tools (AREA)
• Turning (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=64477115

Family Applications (1)

Country Status (9)

Families Citing this family (1)

Family Cites Families (20)

• 2017
  • 2017-11-20 DE DE102017127307.7A patent/DE102017127307A1/de active Pending
• 2018
  • 2018-11-20 CA CA3079630A patent/CA3079630C/en active Active
  • 2018-11-20 EP EP18808268.9A patent/EP3641973A1/de active Pending
  • 2018-11-20 JP JP2020527935A patent/JP2021503383A/ja active Pending
  • 2018-11-20 CN CN201880074877.1A patent/CN111565875B/zh active Active
  • 2018-11-20 WO PCT/EP2018/081882 patent/WO2019097074A1/de active Application Filing
  • 2018-11-20 MX MX2020005157A patent/MX2020005157A/es unknown
  • 2018-11-20 RU RU2020113915A patent/RU2738868C1/ru active
• 2020
  • 2020-04-15 US US16/849,323 patent/US11517967B2/en active Active

Also Published As

Similar Documents

Legal Events