EP0693350A1 - Zinkenfräser - Google Patents

Zinkenfräser Download PDF

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Publication number
EP0693350A1
EP0693350A1 EP95102054A EP95102054A EP0693350A1 EP 0693350 A1 EP0693350 A1 EP 0693350A1 EP 95102054 A EP95102054 A EP 95102054A EP 95102054 A EP95102054 A EP 95102054A EP 0693350 A1 EP0693350 A1 EP 0693350A1
Authority
EP
European Patent Office
Prior art keywords
recess
knife
cutting
tine
cutter according
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Withdrawn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
EP95102054A
Other languages
German (de)
English (en)
French (fr)
Inventor
Fritz Schmider
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.)
Fritz Schmider & Co GmbH
Original Assignee
Fritz Schmider & Co 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 Fritz Schmider & Co GmbH filed Critical Fritz Schmider & Co GmbH
Publication of EP0693350A1 publication Critical patent/EP0693350A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B27G13/14—Cutter blocks; Other rotary cutting tools for profile cutting for cutting grooves or tenons

Definitions

  • the present invention relates to a tine cutter for wood processing with circumferentially arranged cutting blades.
  • mini-tine cutters are used which, as a finished tool, have cutters arranged next to one another in accordance with the number of tines to be produced, with which the toothing can be produced.
  • tine cutters with additional edge cutters for producing the edge on the side of the toothing.
  • the tine cutter has a stack of individual detachable cutting disks which are held together by two clamping disks and clamping elements on both sides of the stack. This allows the width of the toothing to be varied in a simple manner. Cutting discs designed as edge milling cutters can also be used as clamping discs. Furthermore, the tine cutter designed according to the invention has a reversible knife with a base body and at least one cutting edge, which are each arranged in a recess in the disc body and are held in the recess with the base body by an interference fit between two opposite sides of the recess.
  • At least one of the sides preferably has a toothing with the disk body.
  • the turning knife is therefore essentially trapezoidal and has a cutting edge in the region of the two ends of the base side.
  • the reversible knife Due to the trapezoidal design of the reversible knife, in a preferred embodiment it is beveled towards the base in the region of the two pointed corners. This means that the turning knife can be resharpened once or twice in a given area without the clearance angle, the diameter and the profile changing significantly. This range is approximately 1 mm.
  • a tine cutter of any width can thus be constructed in a simple manner.
  • the individual turning knives can be easily resharpened and replaced, which significantly increases the economic efficiency of the tool, since it is no longer necessary, as was previously the case, for the entire tine cutter, but only the turning knife to be replaced.
  • Figure 1 shows the cutting disc 1 with the disc body 2 and the recess 3 for receiving a turning knife 4.
  • the disc body 2 has holes 5 for bracing the cutting discs 1 and a central bore 6 for the drive.
  • the turning knife 4 is trapezoidal and is held by a press fit between the substantially parallel sides 7 and 8 of the recess 3.
  • the side 8 has steps 9 which engage in a correspondingly shaped step-shaped recess 10 in the turning knife 4.
  • the turning knife 4 is also fixed via the side edges 11 of the step 9 by means of an interference fit.
  • FIG. 3a shows the top view of a turning knife 1 in the form of a trapezoid with two cutting edges 14 and 15 on the base side and step-shaped recesses 10 for radially fixing the basic body 21 in the disk body 2.
  • the turning knife 4 bevelled at the corners 13 towards the base side 19 and thus forms the resharpening zone 12.
  • the turning knife 4 as can be seen from FIG. This configuration results in an end view as shown in FIG. 3c.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling Processes (AREA)
EP95102054A 1994-07-14 1995-02-15 Zinkenfräser Withdrawn EP0693350A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4424880 1994-07-14
DE19944424880 DE4424880C1 (de) 1994-07-14 1994-07-14 Zinkenfräser

Publications (1)

Publication Number Publication Date
EP0693350A1 true EP0693350A1 (de) 1996-01-24

Family

ID=6523155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102054A Withdrawn EP0693350A1 (de) 1994-07-14 1995-02-15 Zinkenfräser

Country Status (3)

Country Link
EP (1) EP0693350A1 (fi)
DE (1) DE4424880C1 (fi)
FI (1) FI950657A (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406842B (de) * 1998-12-21 2000-09-25 Sperl Josef Zinkenfräser
DE10049662C2 (de) * 2000-10-06 2002-11-07 Aumat Maschb Gmbh Vorrichtung und Verfahren zum Wälzfräsen des variablen Längsprofils von Schlüsseln für Zylinderschlösser

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB226727A (en) * 1924-04-30 1925-01-01 Robert Edward Maxim Improvements in and relating to staircase housers, trenching tools, or the like for traversing operations in wood or other soft materials
LU55845A1 (fi) * 1967-04-10 1968-07-03
US4068688A (en) * 1962-08-07 1978-01-17 Industrial Carbide Tooling Incorporated Stacked disc finger joint cutter assembly
DE3739996A1 (de) * 1987-11-25 1989-06-08 Schrammel Helmut Fraeswerkzeug mit wendekantenbrecher
EP0542023A1 (de) * 1991-11-14 1993-05-19 Ernst Winter & Sohn (GmbH & Co.) Halterung für Schneidsegment einer Kreissäge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1432580A (en) * 1921-03-05 1922-10-17 Jacques L Vauclain Milling cutter
DK118526B (da) * 1968-05-14 1970-08-31 R Nissen Cutter med værktøj til udfræsning af fingerzinker.
DE3437018A1 (de) * 1984-10-09 1986-04-10 Robert Bosch Gmbh, 7000 Stuttgart Messerwalze fuer eine motorisch betriebene handhobelmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB226727A (en) * 1924-04-30 1925-01-01 Robert Edward Maxim Improvements in and relating to staircase housers, trenching tools, or the like for traversing operations in wood or other soft materials
US4068688A (en) * 1962-08-07 1978-01-17 Industrial Carbide Tooling Incorporated Stacked disc finger joint cutter assembly
LU55845A1 (fi) * 1967-04-10 1968-07-03
DE3739996A1 (de) * 1987-11-25 1989-06-08 Schrammel Helmut Fraeswerkzeug mit wendekantenbrecher
EP0542023A1 (de) * 1991-11-14 1993-05-19 Ernst Winter & Sohn (GmbH & Co.) Halterung für Schneidsegment einer Kreissäge

Also Published As

Publication number Publication date
FI950657A (fi) 1996-01-15
DE4424880C1 (de) 1995-08-31
FI950657A0 (fi) 1995-02-14

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