EP2866964A1 - Outil pour l'usinage par enlèvement de copeaux - Google Patents

Outil pour l'usinage par enlèvement de copeaux

Info

Publication number
EP2866964A1
EP2866964A1 EP13732479.4A EP13732479A EP2866964A1 EP 2866964 A1 EP2866964 A1 EP 2866964A1 EP 13732479 A EP13732479 A EP 13732479A EP 2866964 A1 EP2866964 A1 EP 2866964A1
Authority
EP
European Patent Office
Prior art keywords
tool according
insert seat
spout
shaped
clamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13732479.4A
Other languages
German (de)
English (en)
Inventor
Nadine HERBERTH
Jose AGUSTIN-PAYA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ceramtec GmbH
Original Assignee
Ceramtec GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ceramtec GmbH filed Critical Ceramtec GmbH
Publication of EP2866964A1 publication Critical patent/EP2866964A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B23B27/10—Cutting tools with special provision for cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B25/00—Accessories or auxiliary equipment for turning-machines
    • B23B25/02—Arrangements for chip-breaking in turning-machines
    • 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
    • B23B27/1666—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 plate-like cutting inserts clamped by a clamping member acting almost perpendicularly on chip-forming plane
    • 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
    • B23B27/22—Cutting tools with chip-breaking equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04—Tool holders for a single cutting tool
    • B23B29/046—Tool holders for a single cutting tool with an intermediary toolholder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2205/00—Fixation of cutting inserts in holders
    • B23B2205/02—Fixation using an elastically deformable clamping member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2205/00—Fixation of cutting inserts in holders
    • B23B2205/12—Seats for cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2250/00—Compensating adverse effects during turning, boring or drilling
    • B23B2250/12—Cooling and lubrication

Definitions

  • the invention relates to a tool for machining with a
  • Basic holder a plate seat, a clamping claw and an insert.
  • the tool or the tool system is particularly suitable for the machining of metallic materials, preferably ductile, heavy
  • Components also called Spannpratzen or clamping fingers are fixed.
  • tools which have an internal coolant supply.
  • the spout nozzles are far away from the cutting edge of the insert and made relatively large from the nozzle cross-section, so that they are not suitable for high pressure.
  • the invention has for its object to improve a tool according to the preamble of claim 1 so that on the one hand increases the service life and life of the cutting plates and on the other hand, the costs incurred during machining long chips are broken or kept short.
  • the clamping claw is integrally formed with the base holder.
  • the clamping claws also called clamping fingers, can also be designed as an exchangeable element (ie not in one piece). In this case, the clamping claw must be attached to the base holder so that the coolant lines are connected to each other.
  • the clamping head has at least one end face, wherein the pouring nozzle / pouring nozzles is arranged on the at least one end face / are. In the case of several end faces, these are preferably angled away from one another.
  • the spout nozzle / spout nozzles is / are arranged on an upper and / or a lower spout nozzle row, with "top” and “bottom” the position is designated to the insert surface.
  • the cooling liquid is thereby directed from the spout nozzle / spout nozzles on the lower spout nozzle row directly onto the cutting edge of the cutting plate and out of the spout nozzle / spout nozzles on the upper spout nozzle row onto the resulting chips.
  • two spout nozzles are disposed on the upper spout nozzle row and four spout nozzles on the lower spout nozzle row.
  • any number of spout nozzles can be arranged.
  • the spout nozzles can be arranged arbitrarily.
  • the spout nozzle / spout nozzles on the lower spout nozzle row are / are directed onto the cutting edge of the cutting plate and / or are / are the
  • the chips are kept so small.
  • the two spout nozzle rows can be adjusted according to the requirements
  • the two spout nozzle rows include an angle ⁇ greater than 80 ° and less than 160 °.
  • the angle ⁇ is between 120 ° and 160 °.
  • Cutting plate is preferably in the range 1, 5 - 10 mm, preferably 3 - 5 mm.
  • the coolant hits the cutting edge and shavings immediately after exiting the spout nozzle (s) immediately.
  • the diameter of the coolant line is preferably 0.5-3.0 mm, preferably 1, 0-1.5 mm. This allows a high pressure
  • the clamping claw is preferably made of steel and the clamping head made of hard material, preferably ceramic or hard metal and is preferred as an attachment replaceable attached to Spannpratzenarm.
  • the clamping head can also have a face protection of hard material, preferably ceramic or hard metal. This extends the service life.
  • the Spannpratzenarm in particular the clamping head, with not clamped cutting plate, resiliently formed to the base holder, preferably by a material recess at the transition to the base holder.
  • the insert seat is integrally formed U-shaped with a insert seat middle portion and two each arranged at the ends of the insert seat center section insert seat legs, wherein a
  • Insert seat leg is designed as an L-shaped insert seat leg with a hook arranged at the end and the hook is formed substantially perpendicular to the insert seat leg. This embodiment allows the
  • the hook-shaped design can also be square, or be defined as a curved line.
  • the undercut has a slope or a curved line and the hook has a counter bevel or
  • a second bore which is provided with a second threaded hole in the
  • Base holder is formed aligned. As a result, the plate seat can be anchored at its lower, the clamping claw end facing away by a screw.
  • This lower end can also be designed wedge-shaped.
  • FIG. 1 shows a section through a variant of a tool 1 according to the invention
  • FIG. 6 shows a section through an alternative tool 1 according to the invention and FIG. 7 enlarges the region X of the clamping head of FIG. 6 from the curve line and a counter-curve line on the hook or undercut.
  • FIG. 1 shows a section of a part of a tool 1 according to the invention.
  • This tool 1 consists of a base holder 1 1, on which a
  • the clamping claw 4 is formed integrally with the base holder 1 1 and consists of a Spannpratzenarm 7, which merges on the one hand in the basic holder 1 1 and on the other hand at its end a clamping head 8 has.
  • Spannpratzenarm 7 is so long that it springs easily.
  • the clamping head 8 rests with inserted and fixed cutting plate 10 on the cutting plate 10 and presses it on a replaceable insert seat 5, which will be described in more detail later.
  • a first bore 22 for clamping the cutting plate 10 by means of a clamping screw 27 is arranged. Later this will be discussed in detail.
  • the clamping head 8 has a support surface 28 which rests on inserted cutting plate 10 on this.
  • the clamping head 8 has a substantially perpendicular to the longitudinal axis 26 (see Figure 2) of the
  • pouring nozzles 3 are arranged, which communicates with at least one coolant line 6 in the clamping claw 4 in connection.
  • this coolant line 6 cooling fluid is passed directly to the cutting plate.
  • the coolant line 6 extends through the base holder 1 1 and the Spannpratzenarm 7 to the spout nozzles 3 on the end face 9 of the clamping head 8.
  • the individual spout nozzles 3 have a cross-sectional / diameter range of 0.5 to 3.0 mm, preferably 1, 0 to 1, 5 mm. As a result, they are suitable for high pressure.
  • the tool 1 is designed such that coolant through the
  • Distance a (see Figure 1) of the spout nozzles 3 to the cutting edge 2 is in the range 1, 5-10 mm, preferably 3-5 mm.
  • At least three of these spout nozzles 3 are preferably provided on the end face 9 of the clamping head 8, whereby a lower 13 and an upper spout nozzle row 12 are always formed.
  • top and bottom is meant the position to the cutting surface. In the case of the minimum number of three
  • Spout nozzles 3 two spout nozzles 3 are arranged below and a spout nozzle 3 above. Are more than three spout nozzles 3 on the end face 9 of the clamping head 8, so can any variant
  • the special feature of the invention is that the cooling liquid is passed through the base holder 1 1 and through the clamping claw 4.
  • the base holder 1 1 and the clamping claw 4 preferably form a single unit, but may also consist of two or more components, such as a base holder 1 1 and a separate clamping claw. When attaching the clamping claw, it must be ensured that the coolant lines 6 of both parts merge into one another.
  • the spout nozzle / spout nozzles 3 on the lower spout nozzle row 13 are preferably aligned with the cutting edge 2 of the cutting plate 10 and the
  • Spout nozzle / spout nozzles 3 on the upper spout nozzle row 12 are preferably directed to the workpiece to be machined, in particular to the resulting chips during machining.
  • the insert seat 5 also called insert seat
  • the cutting plates 10 are preferably indexable inserts. So that the insert seat 5 is interchangeable, the Base holder 1 1 below the clamping claw 4, an L-shaped recess 18 with an undercut 19. On this undercut 19, a slope 20 is arranged.
  • the insert seat 5 is U-shaped with a insert seat midsection 14 and formed at the two ends of the insert seat midsection 14 with insert seat legs 15 extending substantially perpendicularly from the insert seat midsection 14. On the plate seat central portion 14, a recess for direct or via an intermediate piece indirect recording of a cutting plate 10 is provided.
  • Cutting plate has on its underside preferably a prism, which is arranged in a recess adapted thereto in the insert seat 5 or a plate seat receptacle 33. Through this prism, the insert is when occurring
  • a insert seat leg 15 is designed as an L-shaped insert seat leg 16.
  • L-shaped means that a substantially right-angled hook 17 is arranged at the end of the insert seat leg 15.
  • the insert seat leg 15 together with the hook 17 form the L-shaped insert seat leg 16.
  • the hook 17 has at its to
  • Base holder 1 1 side facing a counter-slope 21, which is adapted to the slope 20 at the undercut 19.
  • the insert seat 5 is laterally, perpendicular to the longitudinal axis 26 of the clamping claw 4 in the L-shaped recess 18 on the base holder 5 inserted, the hook 17 hooked to the L-shaped insert seat leg 16 with the undercut 19. Because of this The plate seat 5 can not snag towards the front, ie slip out in the direction of the workpiece to be machined.
  • a mutually aligned first bore 22 is present, wherein the base holder 1 1 arranged an aligned first threaded hole 23.
  • a clamping screw 27 which is screwed through the first bore 22 in the first threaded hole 23, the clamping claw 4, and the Spannpratzenarm 7 in
  • a second bore 24 may preferably be introduced in the non-L-shaped insert seat leg, which merges into a second threaded bore 25 in alignment. With another tightening screw 29, the insert seat 5 can be additionally anchored.
  • Figure 2 shows in cross section an enlarged section of Spannpratzenarms 7. In order to ensure clarity, in FIG
  • Coolant lines 6 not shown. Shown is, however, the clamping head 8 with the spout nozzles 3 on the end face 9. Good to see that the
  • Spout nozzles 3 on two spout nozzle rows 12, 13 are arranged.
  • two are located on the upper spout nozzle row 12 and a spout nozzle 3 is disposed on the lower spout nozzle row 13.
  • the two spout nozzle rows 12, 13 can be aligned depending on the requirements.
  • Particularly preferred is an angle ß - in
  • the spout nozzles 3 can be targeted.
  • FIG. 3 shows a section through a tool 1 according to the invention with a clamping claw 4 fastened to the basic holder 11.
  • FIG. 3 shows a section through a tool 1 according to the invention with a clamping claw 4 fastened to the basic holder 11.
  • Clamp 4 a separate part and not formed in one piece with the base holder 1 1, as in the embodiment of Figure 1. It is in the attachment of the clamping claw 4 on the base holder 1 1 make sure that the
  • FIG. 4 shows a section through a tool 1 according to the invention with a clamping claw 4 fastened to the basic holder 11, which is formed integrally with the basic holder 11, as in the embodiment according to FIG. So that the clamping claw springs is at the transition from Spannpratzenarm 7 to the basic holder 1 1 a
  • Material recess 32 is arranged.
  • the first embodiment the first figure.
  • FIG. 5 shows a section through a tool 1 according to the invention with a clamping claw 4 fastened to the basic holder 1 1.
  • Base holder 1 1 wedge-shaped.
  • the cutting plate 10 sits on one
  • FIG. 6 shows a section through a tool 1 according to the invention with a special clamping head 8.
  • FIG. 7 shows the area X from FIG. 6 with the clamping head 8 from FIG. 6 enlarged.
  • the clamping head 8 has a plurality of end faces 9, which are angled to each other. From one front end face 9a, one side end face 9b and 9c respectively descends. On this end face 9a and side end faces 9b, 9c four spout nozzles 3a, 3b, 3c are arranged, which are arranged on a lower spout nozzle row 13. This lower spout nozzle row 13 runs parallel to the top 38 of the cutting plate 10. Above the lower spout nozzle row 13, an upper spout nozzle row 12 is arranged, on which two spout nozzles 3 are arranged. These upper spout nozzle row 12 runs parallel to the top 38 of the cutting plate 10. As can be clearly seen in Figure 7, the 4 spout nozzles 3a, 3b, 3c, 3d are directed to the cutting plate 10, preferably on the cutting edge of the cutting plate 10. The two spout nozzles 3a, 3b, 3c, 3d are directed to the cutting plate 10, preferably on the cutting
  • Discharge nozzles 3 on the upper spout nozzle row 12 are directed to the resulting chips 37.
  • the chips are kept so small.
  • the invention is characterized in that machining operations are optimized such that A) the life of the cutting plates 10 is increased,
  • cutting plate is generally understood a cutting insert and vice versa.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

L'invention concerne un outil (1) pour l'usinage par enlèvement de copeaux comprenant un support de base (11), un logement de plaque (5), une griffe de serrage (4) pourvue d'un bras (7) et d'une tête (8) et une plaque de coupe (10). Pour, d'une part, accroître la vie utile ou encore la durée de vie des plaques de coupe et, d'autre part, pour broyer ou maintenir courts les longs copeaux produits lors de l'usinage, selon l'invention la griffe de serrage (4) est reliée au support de base (11) et au moins un conduit de liquide de refroidissement (6) est guidé dans l'outil à travers le support de base (11) et la griffe de serrage (4) jusqu'à la tête (8) de la griffe de serrage et débouche dans au moins une buse de décharge (3) sur la tête (8) de la griffe de serrage.
EP13732479.4A 2012-06-28 2013-06-27 Outil pour l'usinage par enlèvement de copeaux Withdrawn EP2866964A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012012908 2012-06-28
PCT/EP2013/063503 WO2014001447A1 (fr) 2012-06-28 2013-06-27 Outil pour l'usinage par enlèvement de copeaux

Publications (1)

Publication Number Publication Date
EP2866964A1 true EP2866964A1 (fr) 2015-05-06

Family

ID=48703504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13732479.4A Withdrawn EP2866964A1 (fr) 2012-06-28 2013-06-27 Outil pour l'usinage par enlèvement de copeaux

Country Status (9)

Country Link
US (1) US20150290716A1 (fr)
EP (1) EP2866964A1 (fr)
JP (1) JP2015521549A (fr)
KR (1) KR20150036237A (fr)
CN (1) CN104379281A (fr)
BR (1) BR112014032564A2 (fr)
CA (1) CA2875474A1 (fr)
DE (1) DE102013212459A1 (fr)
WO (1) WO2014001447A1 (fr)

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DE202019103472U1 (de) * 2019-06-24 2019-07-05 Zcc Cutting Tools Europe Gmbh Werkzeug
CZ309223B6 (cs) * 2020-11-03 2022-06-01 Západočeská Univerzita V Plzni Nástroj pro obrábění

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Also Published As

Publication number Publication date
BR112014032564A2 (pt) 2017-06-27
JP2015521549A (ja) 2015-07-30
KR20150036237A (ko) 2015-04-07
WO2014001447A1 (fr) 2014-01-03
CN104379281A (zh) 2015-02-25
CA2875474A1 (fr) 2014-01-03
US20150290716A1 (en) 2015-10-15
DE102013212459A1 (de) 2014-01-02

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