EP0816030A2 - Ensemble de fraisage - Google Patents

Ensemble de fraisage Download PDF

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Publication number
EP0816030A2
EP0816030A2 EP97110148A EP97110148A EP0816030A2 EP 0816030 A2 EP0816030 A2 EP 0816030A2 EP 97110148 A EP97110148 A EP 97110148A EP 97110148 A EP97110148 A EP 97110148A EP 0816030 A2 EP0816030 A2 EP 0816030A2
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EP
European Patent Office
Prior art keywords
cutting
milling unit
unit according
cutting knife
milling
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Withdrawn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
EP97110148A
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German (de)
English (en)
Other versions
EP0816030A3 (fr
Inventor
Helmut Dipl.-Ing. Schrammel
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0816030A2 publication Critical patent/EP0816030A2/fr
Publication of EP0816030A3 publication Critical patent/EP0816030A3/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
    • B27G13/10—Securing the cutters, e.g. by clamping collars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/12—Cutter blocks; Other rotary cutting tools for profile cutting

Definitions

  • the invention relates to a rotating milling unit for woodworking machines according to the preamble of claim 1.
  • the milling units themselves consist of several supporting bodies which, for example, form two main cutting edge carriers and a plurality of cutting edges forming cutting edges can be detached are attached.
  • the supporting bodies are mechanically together connected, for example, on a common clamping sleeve to sit.
  • Such a milling unit consequently consists of a large number of Share e.g. B. three supporting bodies, six cutter carriers for main cutting edges, 14 cutter carriers for secondary cutting edges, six clamping jaws, 20 partly different screws, a clamping bush, a locknut, at least three intermediate rings etc.
  • This variety of parts must be precisely balanced and the cutter holder must be exactly aligned with each other in order to achieve the desired To be able to mill the profile with the required accuracy.
  • a milling tool which consists of a consists essentially of disk-shaped support body, the two Has flat side surfaces and a peripheral peripheral surface.
  • the peripheral surface is one over the entire height of the support body extending groove introduced to a first cutting knife record a vertical or axially parallel main cutting edge having.
  • the groove borders on the peripheral circumferential surface and is both for Flat side surface as well as towards the peripheral peripheral surface open so that the second cutting knife with one cutting edge both protrudes on the peripheral surface as well as on the flat side surface.
  • a generic milling tool with a protruding profile is described in the utility model DE 92 10 363 U1.
  • This milling tool can be integrated in tool sets and has a support body with two recesses, in each of which a cutting knife is introduced by means of a clamping body is attachable.
  • This milling tool is both the Support body as well as the cutting knife to the contour of the profile customized.
  • the recess faces the axis of rotation of the milling tool facing side a groove which is semicircular in cross section on.
  • the clamping body has a corresponding to this groove, provided in cross section semicircular web, so that the clamping body is pivotable about a vertical axis in the recess is stored.
  • the clamping body is with a tensile force loaded screw against a contact surface of the recess pressed, one between the clamping body and the contact surface Cutting knife is jammed.
  • the invention has for its object to a milling unit create an optimal despite a protruding profile Milling result, as well as easy handling especially for knife replacement, adjustment, maintenance and tool care enables and is simple and inexpensive.
  • the invention provides a milling unit with a recess created to accommodate a cutter holder, it despite a protruding profile is possible, the recess as a groove to be formed with a relatively shallow depth because the groove bottom of the groove corresponding to the average inclination of the peripheral surface the axis of rotation is inclined.
  • the surface of the groove is inserted Cutting knife and the volume of a corresponding Clamping element kept low, so that despite a protruding Profiles the milling unit operated easily and vibration-free can be.
  • the contour of the peripheral surface itself can have many protrusions or Have recesses so that the average inclination of the peripheral surface an inclination of a straight line through the contour corresponds to the circumferential surface. It is also possible that the peripheral surface different average inclinations in sections having. The groove bottom of the groove is then in sections trained with different inclinations, whereby Areas can also be arranged parallel to the axis of rotation.
  • An essential principle on which the invention is based is that in a milling tool for a protruding profile, the recess is designed as a groove, the groove bottom corresponding is aligned with the average inclination of the peripheral surface.
  • Another significant advantage of the invention is that Possibility of the arrangement and / or spatial shape of the cutter holder so that the rake angle in a narrow range or can even be kept constant.
  • the rake angle can also be determined by a special spatial shape Cutter carrier, which is, for example, stepped or curved, be limited, adapting to a single ideal Rake angle is possible.
  • the milling unit 1 has one, for example three-stage, one-piece support body 2, one as a cutter holder serving cutting knife 3 and one serving as a clamping element Clamping body 4.
  • the support body 2 has approximately the shape of a rotating body and has a central bore 5, the longitudinal axis 6 with the Axis of rotation of the support body 2 coincides.
  • the support body 2 has the shape of three concentric to the axis 6 aligned, stacked disks 7a, 7b, 7c so that an approximately circular upper and lower flat side surface 8, 9 the support body 2 up and down and a peripheral surface 10 limit the support body 2 radially outward.
  • the disks 7a, 7b, 7c have different, from top to bottom increasing diameter below, so that the peripheral surface 10 in subdivided three axially parallel peripheral partial surfaces 11a, 11b and 11c is. Between the top and middle or middle and lower peripheral partial surfaces 11a, 11b and 11b, 11c, respectively horizontal or transverse to the axis 6 circular disc ring surfaces 12a, 12b.
  • a radially outwardly projecting upper ring web 13 is on the upper peripheral portion 11a adjacent to the upper flat side surface 8 trained.
  • On the lower peripheral partial surface 11c are adjacent to the lower circular disk surface 12b and adjacent to the lower flat side surface 9 each radially integrally formed ring web 14, 15 protruding.
  • the to the Flat side surfaces 8, 9 adjacent ring webs 13, 15 are relative wide and protrude just a little radially outwards, whereas the ring web 14 adjoining the circular disk surface 12b is narrow and extends further outwards so that the radial expansion of the circular disk surface 12b by about a third is extended to the outside.
  • contoured peripheral surface 10 is an axially over the entire peripheral surface 9 extending recess 16 for receiving of the cutting knife 3 and the clamping body 4 introduced.
  • the recess 16 is in the form of a groove 17 with essentially U-shaped cross section.
  • the groove 17 is through a flat, smooth groove bottom 18, and one in the direction of rotation (Arrow 19) lagging side wall 20 and a leading Side wall 21 formed.
  • the groove 17 is at its top End 24a to the upper flat side wall 8 and at its lower End 24b to the lower flat side wall 9 open.
  • the groove 17 is in the contoured peripheral surface 10 of the support body 2 cut with approximately uniform depth, so that the groove bottom 18 within the circular disk surfaces 12a, 12b and with an inclination with respect to axis 6.
  • the inclination of the Groove bottom 18 corresponds approximately to the average slope of the contour the peripheral surface 10.
  • the average inclination is in Fig. 1 and Fig. 2 represented by a straight line 22, the corresponding the contour of the contoured peripheral surface 10
  • Shape of the side walls 20, 21 of the groove 17 results from the Cut on the contoured peripheral surface 10 so that the side walls 20, 21 pass straight into the groove bottom 18 and on the area facing away from the groove bottom 18 is the area contoured by the Circumferential surface 10 predetermined contoured edge course 25 having.
  • This contoured edge profile 25 has, for example like the shape of a three-tier staircase.
  • the side walls 20, 21 of the groove 17 are preferably opposite one by the Cutting knife 3 extending diameter line 26 of the support body 2 aligned obliquely by a predetermined angle ⁇ .
  • ⁇ a predetermined angle
  • the support body On the support body is at an area 27 leading to the groove 17 Material removed towards the groove 17, so that in front of the groove 17 Chip space is created. Furthermore, the disks 7a, 7b, 7c one each from the leading peripheral surface 11a, 11b, 11c introduced threaded bore 28a, 28b, 28c up to the groove go through and in which tightening screws (not shown) for fastening the cutting knife 3 and the clamping body 4 are located.
  • the trailing side wall 20 of the groove 17 has two in the Grooved pin 29 on which the corresponding holes 37 having cutting knife 3 (Fig. 3) can be inserted.
  • the groove bottom 18 is adjacent to the trailing side wall 20 a small step or a small paragraph 30, against which the cutting knife 3 can be placed.
  • the clamp body 4 is therefore in its shape the groove 17 in particular the course of the groove bottom 18, the cutting edges of the cutting knife 3 and contoured shape of the side walls 20, 21 adapted body, so that it roughly corresponds to the shape of a three-step staircase stepped side walls 31, 32, vertical end faces 33a, 33b, 33c, horizontal step surfaces 34a, 34b and has a smooth bottom surface for resting on the groove bottom 18.
  • the vertical end faces 33a, 33b, 33c are as fillets educated.
  • the leading side wall in direction of rotation 19 32 of the clamping body 4 is with three radially outwards deepening grooves 36 provided (Fig. 7), in which the Can attack clamping screws, so that the clamping body 4 radially pressed inwards, d. H. is centered.
  • the cutting knife 3 (Fig. 3) has essentially the same Shape like trailing sidewall 20, i.e. H. it has a upper and lower horizontal boundary edge 38, 39, which the correspond to the upper and lower flat side surfaces 8, 9 and with their radially inner ends to a straight base edge 40 border, the inclination of the inclination of the groove bottom 18 and the Paragraph 30 corresponds.
  • the one opposite the base edge 40 Edges correspond to the contours of the peripheral surfaces 11a, 11b, 11c and form a contoured cutting area 41.
  • On the cutting knife 3 also repeats the relationship between the middle one Inclination of the peripheral surface 10, corresponding to that of the contoured Cutting area 41 of the cutting knife 3 is formed, and the Tilt of the groove bottom 18, according to which the base edge is inclined 40 is inclined.
  • the contoured cutting region 41 accordingly has a three-stage Contour with an upper, middle and lower projection 43a, 43b, 43c, these advantages being those formed on the support body 2 Webs 13, 14, 15 correspond, and horizontal edges 44a, 44b, which correspond to the annular disk surfaces 12a, 12b.
  • the Contoured cutting area 41 also has three vertical cutting edges 45a, 45b, 45c which correspond to the peripheral partial surfaces 11a, 11b, 11c correspond.
  • the entire contoured cutting area 41 between the upper one and the lower boundary edge 38, 39 is ground to a cutting edge, vertical edges 45a, 45b, 45c, respectively a main cutting edge 46a, 46b, 46c and the horizontal edges 44a, 44b each have an upper and lower secondary cutting edge 47a, 47b form.
  • the projections 43a, 43b, 43c are also on their edges ground to cut, with the upper or lower protrusion 43a, 43c with an upper or lower circular cutting edge 48a, 48b in the adjacent main cutting edges 46a, 46c.
  • the middle one Projection 43b extends the lower secondary cutting edge 47b radially outwards, forms a short, sharpened and vertical aligned cutting edge 49 and has on its underside another horizontal minor cutting edge 50, which with the lower Main cutting edge 46c delimits a corner.
  • the support body 2, the cutting knife 3 and the clamping body 4 are assembled to the milling unit 1 by the cutting knife 3 with its base edge 40 to step 30 in the groove 17 and is placed with its holes 37 on the pin 29 and the sprag is inserted into the remaining space in the groove becomes.
  • the cutting knife 3 and the clamping body 4 are then with the clamping screws fixed in the groove 17.
  • the individual main and Secondary edges are slightly above the trailing side wall 20 of the groove 17 before.
  • the protrusion of the cutting edges on the supporting body is small and with respect to the main cutting edges 46a, 46b, 46c, 49 constant, so that the milling units according to the invention also at sweeping profiles meet the requirements of the timber trade association (BG-TEST) on milling tools for manual feed poses, meet.
  • the entire contoured cutting area 41 between the round cutting edges 48a, 48b including these round cutting edges is used, for example, to mill the window profile 52 used, with this a single cutting knife 3 that entire window profile 52 is milled.
  • a support body 2 according to the milling unit 1 according to the invention can further recesses 16 for receiving and attaching further cutting blades 3 may be provided, these further Recesses 16 and the other cutting blades 3 are identical are trained. With these other cutting blades 3 not, as is known from conventional milling units, the Profile geometry completed, since every cutting knife a complete set of cutters for milling the window profile 52 has, but targeted the milling performance of the milling unit elevated.
  • the shape of the cutting knife 3 is not based on that described above Limited spatial shape, but the cutting knife 3 can still others Show spatial forms.
  • the shown in Fig. 4a to 4c Cutting knives are each flat cutting knives with a rectilinear, possibly single (Fig. 4a) or double (Fig. 4b, 4c) angled base edge 40, an upper and lower Boundary edge 38, 39 and a contoured cutting area 41, on which the cutting edges are formed.
  • the single ones Cutting edges can be arranged horizontally, vertically, at an angle, round sections for milling rounded edges or short, have inclined sections for milling chamfers.
  • the Form a cutting knife with a simple angled base edge 40 a V shape that can with a double angled base edge form a U-shape or step edge. For such knives runs the groove bottom 18 corresponding to the course of the edge 40.
  • the individual areas of the base edge 40 are in areas average inclinations 22a, 22b of the corresponding areas of the Adjusted circumferential surface 10 or the contoured cutting area 41 (Fig. 4b, 4c).
  • This cutting knife has in common that with the most contoured Cutting area 41 trained cutting an entire profile can be milled without additional cutting knives on the milling unit must be provided.
  • the support body 1 is on its peripheral surface 10 to the shape of the milling profile 52 or the shape of the cutting knife 3 accordingly customized.
  • the clamping body is also in a corresponding manner 4 to the cutting area 41 of the cutting knife 3 or to the Adapted shape of the profile to be milled.
  • the flat Cutting knife 3 lies in a cutting knife plane SE, which is usually vertical, i.e. aligned parallel to the axis of rotation 6 is (Fig. 5). With such a vertically aligned one Cutting knife 3, the rake angle ⁇ by the angular position of the cutting knife 3 versus one by the cutting knife 3 extending diameter line 26 set.
  • the rake angle ⁇ is called the angle between a rake face and a tool reference plane Are defined.
  • the rake face is the face on Cutting knife over which the chip runs.
  • the one shown in FIG. 5 Milling unit with the cutting knife 3 is the rake face in the cutting knife plane defined by the cutting knife 3 SE.
  • the tool reference plane is called that plane defined, which is perpendicular to the cutting direction SR and after is aligned with a plane or axis of the tool. With rotating Milling tools run through the tool reference plane a certain cutting point SP and the axis of rotation 6.
  • the Tool reference plane of the cutting point SP with the diameter line 26 together.
  • the rake angle ⁇ of the cutting point SP is thus the angle between the cutting knife plane SE and the Diameter line 26 through the respective cutting point SP.
  • the individual cutting points SP have different rake angles ⁇ .
  • the rake angle ⁇ a of a cutting point SP a arranged at the radially outer end or the largest cutting flight circle of the cutting knife is smaller than the rake angle ⁇ i of a cutting point SP i arranged at the radially inner end or the smallest cutting flight circle Cutting knife 3.
  • the inventive method can be used for milling more extensive wooden profiles Milling unit can be designed so that the rake angle is limited to an optimized predetermined range.
  • 6 to 11 is an embodiment of an inventive Milling unit shown in which the cutting knife 3 or the cutting knife planes with respect to the axis of rotation 6 of the milling unit not arranged in parallel but inclined are. Otherwise, this embodiment corresponds to Embodiment described above, so that the same parts with be identified by the same reference numerals.
  • This milling unit 1 in turn has a support body 2 which with four recesses 16 in the form of grooves 17 for receiving each a cutting knife 3 is provided.
  • the main difference compared to the embodiment shown in FIGS. 1-3 lies in the inclination or tilted position of the cutting knife 3 or the cutting knife plane SE with respect to the axis of rotation 6 by an angle ⁇ (Fig. 7).
  • the inclination of the Cutting knife level SE is aligned so that the radially outer Areas of the cutting knife 3 in the direction of rotation 19 opposite the radially inner areas set back or lagging are.
  • Milling unit which has a milling profile which projects downwards, the cutting knife 3 is opposite by the inclination by the angle ⁇ the axis of rotation set back down.
  • the rake angle ⁇ at rotating milling units the angle between the cutting knife level SE and that by the respective cutting point SP and the Rotation axis 6 extending reference plane BE, that is, the respective one Is the diameter line for the cutting points Rake angle ⁇ with a relatively small deviation from one another.
  • FIG. 9 shows the rake angle ⁇ a for a radially outer cutting point SP a and the rake angle ⁇ i for a radially further inner cutting point SP i , the rake angle ⁇ a ' ⁇ i being limited in each case by the cutting knife plane SE and a diameter line , which each represents the reference plane BE a , BE i running through the cutting point SP a , SP i .
  • These two rake angles ⁇ a , ⁇ i are approximately the same size and limit the entire rake angle range of the cutting knife 3 inclined with respect to the axis of rotation 6.
  • the rake angle ⁇ ' i of a radially inner cutting point SP' i is shown on the vertically aligned cutting knife 3 'shown in broken lines.
  • the rake angle ⁇ ' i is more than twice as large as the rake angle ⁇ i or ⁇ a .
  • the rake angle ⁇ of the vertically oriented cutting knife 3 'thus covers a rake angle range which extends between the angles ⁇ a and ⁇ ' i . This rake angle range is many times larger than the rake angle range between the two roughly equal rake angles ⁇ a and ⁇ i of the inclined cutting knife 3.
  • the inclination of the cutting knife 3 is expediently so aligned that the radially outer blades opposite arranged behind the radially inner cutting edges in the direction of rotation 19 are.
  • the rake angle can be minimized by making the radially outer lying cutting edges compared to the radially inner cutting edges are arranged leading in the direction of rotation 19.
  • Cutting knife 3 (Fig.10a, Fig.10b) essentially corresponds the cutting knife 3 shown in Fig. 3 and has a rectilinear Base edge 40 and a cutting area 41 with vertical Main cutting edges 46a, 46b, 46c, 49 and two horizontal minor cutting edges 47a, 47b.
  • the cutting blades 3 are provided with three holes 37 'into which corresponding pins 29 'can engage, which on the clamping part 4 (Fig.11) are formed. Through this pin / hole connection can the cutting knife 3 and the clamping parts 4 before installation can be put together into one unit and so easily into the Nut 17 are used.
  • both the cutting knives have 3 and the clamping body 4 each have a recess 42a, 42b in which is a projection formed in the groove 17 (not shown) can intervene.
  • the cutting knife 3 (Fig.10a, 10b) and Clamping parts 4 (Fig.11) same as the cutting knives described above 3 (FIG. 3) and the corresponding clamping bodies 4, whereby the profiling of the clamping body 4 at least the main cutting edges 46a, 46b, 46c, 49 are equidistant, all the more so the requirements even with wide and wide profile shapes the wood professional association (BG-TEST) on milling tools for manual feed to meet.
  • BG-TEST wood professional association
  • cutter carriers or cutting knives 3 are shown, which also allow a limitation of the rake angle range. These cutting knives have several, e.g. two (Fig.12) or three (Fig. 13) cutting planes.
  • Such a cutting knife with two cutting planes has one similar edge course as the flat surface described above Cutting knife with a base edge 40, lower and upper boundary edge 38, 39 and a contoured cutting area 41 on.
  • the cutting knife 3 is approximately transverse to the base edge 40 or the cutting area 41 angled twice at right angles, see above that the cutting knife is a step with two parallel to each other offset, flat cutting segments 54, 55 forms.
  • the Cutting segments 54, 55 are thus through a flat connection segment 56 connected together.
  • the radially inner cutting segment 54 ie. H. the cutting segment that describes the smaller flight circle at positive rake angle leading in direction of rotation 19 and negative Rake angle in the direction of rotation 19 lagging behind arranged radially outer cutting segment 55. This will even with vertical alignment of the cutting knife 3 or corresponding cutting knife level the deviation in the rake angle compensated and the cutting knife 3 can on a tight, optimal Rake angle range can be set.
  • Fig. 7 is a cutting knife 3 with three parallel to each other offset cutting segments 54, 55 and 57 shown.
  • the cutting segments 54, 55 are the same as that described above Cutting knife 3 with two cutting segments 54, 55 by one approximately across the base edge or the contoured cutting area 41 angled connecting segment 56 connected together.
  • the third cutting segment 57 is of cutting segment 55 with one connected to the second connecting segment 58, which around folded edges 59 is angled, which is approximately parallel to the base edge 40 or parallel are arranged to the contoured cutting area 41.
  • These cutting blades 3 with several cutting planes preferably have several along the entire contoured cutting region 41 consecutive cutting edges without spacing, also on the free edges 60 of the connecting segments 56, 58 in the area of Cutting area 41.
  • the cutting segments 54, 55 and 57 are aligned parallel to one another. However, it is also possible to use these cutting segments to be arranged at a predetermined angle to one another. This can in particular with respect to the flat side surfaces 8, 9 differently inclined cutting edges can be useful.
  • the recess on the support body and the clamping body are corresponding the spatial shape of the cutting knife with the offset cutting segments adjusted so that it works in the same way as the above flat cutting knife described used, attached and can be exchanged.
  • These cutting knives 3 have a similar edge course as the flat cutting knives described above with a Base edge 40, lower and upper boundary edge 38, 39 and a contoured cutting area 41.
  • the contoured Cutting area 41 is with vertical main cutting edges 46a, 46b, 46c, 49 formed (Fig.14d).
  • the cutting knife 3 has one radially outwards against the direction of rotation of the milling unit directed curvature, so that the radially arranged outside Cutting edges in relation to the cutting edges arranged radially inside are arranged to lag the milling unit in the direction of rotation.
  • each knife section has its own cutting plane, which is individually aligned to a desired rake angle.
  • At Cutting knives with a negative rake angle in a milling unit is the curvature or bend of the cutting knife directed radially outwards in the direction of rotation, so that the radially outer cutting edges compared to the radially inner cutting edges are arranged leading in the direction of rotation.
  • Fig. 15 is a cutting knife 3 with a spiral curvature shown, i.e. that the curvature of the cutting knife 3 gradually increases. This makes it possible to keep the rake angle constant to keep.
  • These curved or curved cutting knives can be used with a known thickness of 1.2mm to 12 may be formed.
  • the curved cutting knife is preferably very thin-walled with a wall surface ⁇ 1mm.
  • Bending the cutting knife can be pre-assembled between two Clamping body, a cutting breast clamping body (not shown) and a cutting back clamping body (not shown), wherein the cutting knife is clamped between the clamping bodies is and the clamping body have a curved clamping surface, so that by the clamping cutting knife this to the desired Curvature.
  • This cassette-like unit consisting of the cutting knife, the cutting breast clamping jaw and the cutting back clamping jaw, can then in the groove in the manner described above Milling unit can be used.
  • This cassette construction remains the shape of the support body recess for receiving the Cutting knife very simple because of the flat side walls 20, 21 of the groove 17 are retained in the support body.
  • the shape of the curved cutting knife results from the development the cutting knife contour in one plane.
  • the cutting back jaws and the cutting breast jaws can be required by an inexpensive investment casting process Quality and dimensional accuracy are manufactured.
  • the trailing side wall 20 of groove 17 is shaped accordingly curved be the required contact surface to the cutting knife to offer.
  • the cutting knife is in such a specially shaped Groove fixed with only one clamp body.
  • the inventive design of the recess as Groove is advantageous, as this means that the recess and the area of the Cutting knife is kept small, so that an inclination the cutting knife not with other recesses in the milling unit, such as. the central bore 5, collides, and the Cutting knife worked relatively easily to a certain spatial shape can be.
  • the cutting knife can be smaller Surface and low mass simply clamped in the milling unit be, whereby even with protruding profiles none Vibration problems are generated.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling Processes (AREA)
EP97110148A 1996-06-28 1997-06-20 Ensemble de fraisage Withdrawn EP0816030A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996126158 DE19626158C2 (de) 1996-06-28 1996-06-28 Fräseinheit
DE19626158 1996-06-28

Publications (2)

Publication Number Publication Date
EP0816030A2 true EP0816030A2 (fr) 1998-01-07
EP0816030A3 EP0816030A3 (fr) 1998-05-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97110148A Withdrawn EP0816030A3 (fr) 1996-06-28 1997-06-20 Ensemble de fraisage

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EP (1) EP0816030A3 (fr)
DE (1) DE19626158C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1077121A2 (fr) * 1999-08-14 2001-02-21 Gebr. Leitz GmbH & Co. Fraise
CN106142229A (zh) * 2016-08-30 2016-11-23 中国船舶电站设备有限公司 绝缘箱板材专用加工刀具及其板材加工方法
ITUB20160915A1 (it) * 2016-02-02 2017-08-02 Erich Schmid Punta fresatrice per produrre i componenti di un sistema di collegamento e di fissaggio in grado di collegare e fissare tra loro due componenti di un mobile
WO2017134696A1 (fr) * 2016-02-02 2017-08-10 Erich Schmid Fraise à queue

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10338906B4 (de) * 2003-08-23 2005-09-01 Hapro Holzbearbeitungs-Werkzeuge Gmbh Fräswerkzeug mit auswechselbaren Messern zur Holz- und Kunststoffbearbeitung

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Publication number Priority date Publication date Assignee Title
FR337789A (fr) * 1903-12-16 1904-04-25 Otto Asche Nouvel outil pour le travail des métaux, du bois, etc., et son procédé de fabrication
DE913694C (de) * 1952-10-18 1954-06-18 Albert Fezer Fraesscheibe mit in ueber den Scheibenumfang verteilten Aussparungen angeordneten Messern
FR2228585A1 (en) * 1973-05-11 1974-12-06 Godde Pierre Rotary cutter for woodworking - blades secured in slots between two discs for easy adjustment
DE3920452A1 (de) * 1989-06-22 1991-01-03 Howema Gmbh Wittenborn & Edel Messerkopf, insbesondere fuer die holzbearbeitung

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DE301957C (fr) *
DE2756441C3 (de) * 1977-12-17 1980-06-04 Feldmeier & Wiewelhove, 4404 Telgte Werkzeug für eine Fräswalze
DE9210363U1 (de) * 1992-08-03 1993-01-21 Gebr. Leitz Gmbh & Co, 7082 Oberkochen Messerkopf, insbesondere Profilmesserkopf
DE9301255U1 (de) * 1993-01-29 1993-03-25 Schrammel, Helmut, 7920 Heidenheim Fräswerkzeug zum Fräsen eines Falzes o.dgl. Profil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR337789A (fr) * 1903-12-16 1904-04-25 Otto Asche Nouvel outil pour le travail des métaux, du bois, etc., et son procédé de fabrication
DE913694C (de) * 1952-10-18 1954-06-18 Albert Fezer Fraesscheibe mit in ueber den Scheibenumfang verteilten Aussparungen angeordneten Messern
FR2228585A1 (en) * 1973-05-11 1974-12-06 Godde Pierre Rotary cutter for woodworking - blades secured in slots between two discs for easy adjustment
DE3920452A1 (de) * 1989-06-22 1991-01-03 Howema Gmbh Wittenborn & Edel Messerkopf, insbesondere fuer die holzbearbeitung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1077121A2 (fr) * 1999-08-14 2001-02-21 Gebr. Leitz GmbH & Co. Fraise
EP1077121A3 (fr) * 1999-08-14 2003-04-09 Gebr. Leitz GmbH & Co. Fraise
ITUB20160915A1 (it) * 2016-02-02 2017-08-02 Erich Schmid Punta fresatrice per produrre i componenti di un sistema di collegamento e di fissaggio in grado di collegare e fissare tra loro due componenti di un mobile
WO2017134696A1 (fr) * 2016-02-02 2017-08-10 Erich Schmid Fraise à queue
CN106142229A (zh) * 2016-08-30 2016-11-23 中国船舶电站设备有限公司 绝缘箱板材专用加工刀具及其板材加工方法

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EP0816030A3 (fr) 1998-05-06
DE19626158A1 (de) 1998-01-08
DE19626158C2 (de) 1998-04-23

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