EP1481750B9 - Scie avec entrainement pour movement oscillant rotatif et lame pour celle-ci - Google Patents

Scie avec entrainement pour movement oscillant rotatif et lame pour celle-ci Download PDF

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Publication number
EP1481750B9
EP1481750B9 EP20040010149 EP04010149A EP1481750B9 EP 1481750 B9 EP1481750 B9 EP 1481750B9 EP 20040010149 EP20040010149 EP 20040010149 EP 04010149 A EP04010149 A EP 04010149A EP 1481750 B9 EP1481750 B9 EP 1481750B9
Authority
EP
European Patent Office
Prior art keywords
saw blade
saw
cutting edge
drive shaft
coating
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.)
Expired - Lifetime
Application number
EP20040010149
Other languages
German (de)
English (en)
Other versions
EP1481750B1 (fr
EP1481750A1 (fr
Inventor
Walter Thomaschewski
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.)
C&E Fein GmbH and Co
Original Assignee
C&E Fein GmbH and Co
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Filing date
Publication date
Application filed by C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP1481750A1 publication Critical patent/EP1481750A1/fr
Publication of EP1481750B1 publication Critical patent/EP1481750B1/fr
Application granted granted Critical
Publication of EP1481750B9 publication Critical patent/EP1481750B9/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B19/00—Other reciprocating saws with power drive; Fret-saws
    • B27B19/006—Other reciprocating saws with power drive; Fret-saws with oscillating saw blades; Hand saws with oscillating saw blades
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y10T83/9377—Mounting of tool about rod-type shaft
    • Y10T83/9379—At end of shaft

Definitions

  • the invention relates to a saw blade for a saw with navoszillierendem drive, with a mounting portion having a matched to a recording of the drive shaft mounting opening for positive or non-positive connection with the drive shaft which is rotationally oscillating about its longitudinal axis driven, and with a working section on a cutting edge is provided with a sequence of saw teeth, wherein at least the cutting edge consists of bimetal.
  • the invention further relates to a saw with a rotary oscillating drive movement with such a saw blade.
  • a saw blade according to the aforementioned type is known from DE 297 20 605 known.
  • the known saw blade is formed as an elongated saw blade, which is used in a lifting saw. Furthermore, a circular saw blade is known from this document.
  • a saw blade and a saw are known with a rotary oscillating drive movement with a saw blade with a mounting portion having a mounting opening for connection to a drive shaft which is driven to oscillate about its longitudinal axis, and with a working portion, on which a cutting edge with a sequence provided by saw teeth.
  • Such saw blades are driven by a rotary oscillation drive, the drive shaft is driven to oscillate at high frequency in the range between about 5,000 and 25,000 oscillations per minute and with a small pivot angle between about 0.5 ° to 7 ° about its longitudinal axis.
  • saw blades can perform special sawing tasks in conjunction with the oscillating drive, such as sawing work on body parts or sawing about hard to reach places.
  • Such saw blades are now used for a variety of sawing, such as for sawing wood, putty and soft materials, but also for sawing fiberglass, CFRP and sheet relatively low strength. You can make cuts at right angles without over cutting. Furthermore, sawing can be made in hard to reach places and special recesses on wood, plasterboard and many plastics.
  • a saw blade for a rotational oscillating movement with an elongated design which has a mounting opening for positive connection with a drive shaft, and a cutting edge on a mounting opening opposite the working portion.
  • the known saw blade is used in the medical field in particular for the removal of plaster casts and has a stop for limiting the penetration depth
  • the invention has for its object to provide a saw blade, which is used in conjunction with a rotary oscillation drive to perform cuts in hard to reach places.
  • a saw blade which is used in conjunction with a rotary oscillation drive to perform cuts in hard to reach places.
  • the widest possible scope is to be created and in particular an insert for different materials to be possible without the saw blade must be changed.
  • a saw should be specified with such a saw blade.
  • the working portion on at least one surface, preferably on both surfaces has a coating with an abrasive material, preferably a coating with diamond abrasive particles or carbide abrasive particles.
  • the coating preferably adjoins the cutting edge.
  • This measure has the advantage that a saw cut can be made such that the cut material does not require any post-processing by grinding or the like.
  • the cutting edge in an advantageous development of the invention, has a setting, preferably a wave restriction.
  • the saw blade has an elongated shape, wherein the attachment portion extending from one end to the working section at an opposite end.
  • cuts can be made under spatially limited conditions.
  • cutouts on wood panels or wood profiles, on articles made of plastic, plasterboard and the like can be made more easily, which is particularly advantageous in construction technology.
  • the working section of the saw blade may have a curved cutting edge, wherein the center of curvature may advantageously lie in the center of the fastening opening. In this way, a particularly low-vibration cut can be performed.
  • the saw blade may also have a circular or part-circular cutting edge. In this way, longer and deeper cuts can be generated in a relatively simple manner.
  • the working section has an at least sectionally straight cutting edge, which if necessary can also have a plurality of mutually angled sections.
  • the attachment opening of the saw blade is designed for positive connection with the drive shaft.
  • the saw blade on a cranked design.
  • FIGS. 1 and 3 show saw blades, as in the basic form of the EP-A-0 881 023 already known.
  • FIG. 4 shows a circular, cranked saw blade, which is also already known in principle in the prior art.
  • the saw blades according to the FIGS. 1 and 3 according to the invention have additional coatings 19 and 19a with diamond or carbide abrasive particles.
  • the saw blades described herein are all specifically designed for attachment to the free end of a drive shaft of an oscillating drive.
  • FIG. 2 shows such a saw 40, which has an oscillating drive 42.
  • the oscillation drive drives a drive shaft 44 with a high frequency of, for example, 5,000 to 25,000 oscillations per minute and a small pivot angle of z. B. 0.5 ° to 7 ° about the longitudinal axis 46 of the drive shaft back and forth swinging, as indicated by the double arrow 49.
  • a receptacle for the saw blade On the free end of the drive shaft 44, a receptacle for the saw blade is provided, to which this can be plugged and by means of a fastening element 48, for. B. a screw can be attached.
  • the saw blades according to the invention now consist of bimetal, at least in the region of their cutting edges.
  • the saw blade generally designated by the numeral 10 has a planar, elongated design and has at one end a mounting portion 12 in which a star-shaped mounting opening 14 is provided for positive connection with the drive shaft 44 of the oscillating drive 42.
  • the attachment portion 12 extends to a working portion 16 at the opposite end.
  • saw teeth cutting edge 18 is formed on the outer edge, which runs straight in the illustrated embodiment.
  • the cutting edge 18 can of course also be curved or multiply angled.
  • the entire saw blade 10 is made of a bimetal blank. It can, for. B. from the bimetallic blank z. B. by punching (possibly including the saw teeth) may be formed. After a suitable heat treatment for hardening or tempering the saw blade 10, the saw teeth of the cutting edge 18 can be resharpened if necessary by grinding.
  • the saw blade 10 according to FIG. 1 provided in its immediately adjacent to the cutting edge 18 region on both sides with a device 19, which preferably contains diamond abrasive particles.
  • a device 19 which preferably contains diamond abrasive particles.
  • the coating could include, for example, fine-grained carbide Schleitfpitate.
  • FIGS. 2 and 3 is a modified design of a saw blade according to the invention designated by the numeral 20.
  • the saw blade 20 according to the FIGS. 2 and 3 has a mounting portion 12a with a round fastening opening 14a and widens from the mounting portion 12a at an angle of about 30 ° to the working portion 16a at the opposite end.
  • a straight cutting edge 18a is provided at the outer end of the working portion 16a.
  • a crank 22a is provided at the transition between the attachment portion 12a and the working portion 16a.
  • the area between the cutting edge 18a and the crank 22a is in turn provided on both sides with a coating of diamond D126.
  • FIG. 4 shows a modified design of a saw blade 30 which is circular and in the
  • Center carries a mounting portion 12b with a circular mounting hole 14b.
  • a crank 22b is provided at the transition between the mounting portion 12b and the working portion 16b.
  • the cutting edge 18b is formed as a circular cutting edge with saw teeth on the outer edge of the working portion 16b.
  • the working portion 16b of bimetal while the mounting portion 12b including the crank 22b of a normal steel sheet, for. B. tool steel, is made without a coating according to the invention is applied to an abrasive material.
  • the working section 16b made of bimetal can be connected, for example, to the fastening section 12b in the region of the crank 22b by laser welding.
  • FIGS. 5 and 6 two further embodiments of the invention are generally designated by the numbers 40 and 50, respectively.
  • the saw blade 40 has at its attachment portion 12c two mutually parallel slots 14c and 15c, which open outward. This facilitates attachment to a correspondingly shaped holder, such as from EP-A-1 208 950 known. From the attachment portion 12c, the saw blade 40 tapers on both sides to a narrower working portion 16c. At the outer end of the working portion 16c, a cutting edge 18c made of bimetal is soldered or welded. In turn, the working section 16c is provided on both sides in its region immediately adjacent to the cutting edge 18c with a coating 19c of the diamond D 126 type.
  • the saw blade 50 largely corresponds to the in FIG. 5 The only difference is that the saw blade 50 has a uniform width from the mounting portion 12d to the working portion 16d due to a wider cutting edge 18d.
  • FIG. 7 a cutting edge 18e is shown enlarged from the front.
  • the cutting edge has a setting in the form of a so-called wave restriction.
  • the teeth 17e "flow" around the center line of the blade alternately to one side and the other side.
  • Such a setting is particularly suitable for sawing even thin-walled sheets and profiles.
  • all cutters 18, 18a, 18b, 18c, 18d are provided with such a set. This significantly increases the number of possible materials to be sawn.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Sawing (AREA)

Claims (8)

  1. Lame de scie destinée à une scie (40) avec un entraînement à mouvement oscillant rotatif, avec une section de fixation (12 ; 12a ; 12c ; 12d), qui présente une ouverture de fixation (14 ; 14a ; 14c ; 15c ; 14d ; 15d) adaptée à un logement pour l'arbre d'entraînement (44) destiné à la liaison par engagement de forme ou engagement positif avec l'arbre d'entraînement (44), qui peut être entraîné en mouvement oscillant ou rotatif autour de son axe longitudinal, et avec une section de travail (16 ; 16a ; 16c ; 16d) sur laquelle est prévu un tranchant (18 ; 18a ; 18c ; 18d ; 18e) avec une série de dents de scie (17e), au moins le tranchant (18 ; 18a ; 18c ; 18d ; 18e) étant composé de bimétal, caractérisée en ce que la section de travail (16 ; 16a ; 16c ; 16d) présente au moins sur une surface, de préférence sur les deux surfaces, un revêtement (19; 19a; 19c ; 19d) avec un matériau de meulage, de préférence un revêtement en particules de meulage au diamant ou en particules de meulage en métal dur.
  2. Lame de scie selon la revendication . 1, caractérisée en ce que le tranchant (18 ; 18a ; 18c ; 18d; 18e) présente une voie.
  3. Lame de scie selon la revendication , 2, caractérisée en ce que le tranchant (18 ; 18a ; 18c ; 18d; 18e) présente une voie ondulée.
  4. Lame de scie selon l'une quelconque des revendications précédentes, caractérisée en ce que ; le revêtement (19 ; 19a ; 19c ; 19d) est formé sur une section limitrophe du tranchant (18 ; 18a ; 18c ; 18d).
  5. Lame de scie selon l'une des revendications précédentes, caractérisée en ce que la lame de scie 10; 20 ; 40 ; 50) présente une forme de construction oblongue, la section de fixation (12 ; 12a ; 12c ; 12d) s'étendant depuis une extrémité vers la section de travail (16 ; 16a; 16c ; 16d) sur une extrémité opposée.
  6. Lame de scie selon l'une des revendications précédentes, dans laquelle la section de travail de la lame de scie (30) présente un tranchant courbe, le centre de la courbure s'étendant, de préférence, dans l'ouverture de fixation.
  7. Lame de scie selon la revendication 6, dans laquelle la lame de scie (30) présente un tranchant circulaire ou partiellement circulaire.
  8. Lame (40) avec un entraînement oscillant (42) pour l'entraînement en mouvement rotatif oscillant d'un arbre d'entraînement (44) autour de son axe longitudinal (46) et avec une lame de scie (10 ; 20 ; 40 ; 50) pouvant être entraînée en mouvement rotatif oscillant par l'arbre d'entraînement (44) selon l'une des revendications 1 à 7
EP20040010149 2003-05-28 2004-04-29 Scie avec entrainement pour movement oscillant rotatif et lame pour celle-ci Expired - Lifetime EP1481750B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003208797 DE20308797U1 (de) 2003-05-28 2003-05-28 Säge mit einer drehoszillierenden Antriebsbewegung und Sägeblatt hierfür
DE20308797U 2003-05-28

Publications (3)

Publication Number Publication Date
EP1481750A1 EP1481750A1 (fr) 2004-12-01
EP1481750B1 EP1481750B1 (fr) 2008-05-21
EP1481750B9 true EP1481750B9 (fr) 2009-03-11

Family

ID=27798604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040010149 Expired - Lifetime EP1481750B9 (fr) 2003-05-28 2004-04-29 Scie avec entrainement pour movement oscillant rotatif et lame pour celle-ci

Country Status (3)

Country Link
US (1) US20050178261A1 (fr)
EP (1) EP1481750B9 (fr)
DE (2) DE20308797U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013004984U1 (de) 2013-06-03 2014-05-21 Kwb Tools Gmbh Werkzeug zum spanenden Bearbeiten eines Werkstücks

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006014895U1 (de) * 2006-09-15 2006-11-30 C. & E. Fein Gmbh Vorrichtung zur Führung eines Sägeblattes
DE102007058889A1 (de) 2007-06-11 2008-12-18 Robert Bosch Gmbh Sägeblatt für Werkzeugmaschinen
DE202007018441U1 (de) 2007-06-11 2008-07-24 Robert Bosch Gmbh Sägeblatt für Werkzeugmaschinen
US8925931B2 (en) 2010-04-29 2015-01-06 Black & Decker Inc. Oscillating tool
US9073195B2 (en) 2010-04-29 2015-07-07 Black & Decker Inc. Universal accessory for oscillating power tool
US9186770B2 (en) 2010-04-29 2015-11-17 Black & Decker Inc. Oscillating tool attachment feature
US9149923B2 (en) 2010-11-09 2015-10-06 Black & Decker Inc. Oscillating tools and accessories
DE102011078488A1 (de) * 2011-07-01 2013-01-03 Robert Bosch Gmbh Werkzeug
DE102011082228A1 (de) * 2011-09-07 2013-03-07 Robert Bosch Gmbh Sägeblatt für eine Werkzeugmaschine
CN103128369B (zh) * 2011-11-24 2015-09-09 泉峰(中国)贸易有限公司 一种切割元件
DE102012204864A1 (de) * 2011-12-20 2013-06-20 Robert Bosch Gmbh Drehoszillationstrennwerkzeug für eine Werkzeugmaschine
USD832666S1 (en) 2012-07-16 2018-11-06 Black & Decker Inc. Oscillating saw blade
DE102013112632A1 (de) 2013-11-15 2015-05-21 C. & E. Fein Gmbh Sägeblatt für eine oszillierend angetriebene Säge
CN107662838A (zh) * 2016-07-29 2018-02-06 武汉市人防工程专用设备厂 橡胶板切割机
USD814900S1 (en) 2017-01-16 2018-04-10 Black & Decker Inc. Blade for oscillating power tools
US10265778B2 (en) 2017-01-16 2019-04-23 Black & Decker Inc. Accessories for oscillating power tools
US10843282B2 (en) 2017-08-16 2020-11-24 Imperial Blades Oscillating blade with universal arbor engagement portion
USD1002318S1 (en) * 2020-02-26 2023-10-24 Robert Bosch Gmbh Tool accessory
USD962027S1 (en) * 2020-04-23 2022-08-30 Milwaukee Electric Tool Corporation Blade
DE102021212711A1 (de) * 2021-11-11 2023-05-11 Robert Bosch Gesellschaft mit beschränkter Haftung Schneidleistenvorrichtung, Sägewerkzeug mit einer solchen Schneidleistenvorrichtung und Verfahren zur Herstellung einer solchen Schneidleistenvorrichtung
WO2023129000A1 (fr) * 2021-12-27 2023-07-06 Selsa Otomotiv Sanayi Anonim Sirketi Système de coupe permettant d'effectuer simultanément la coupe et le meulage frontal

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SE419101B (sv) * 1976-12-17 1981-07-13 Uddeholms Ab Berarmaterial for verktyg av bimetall der det arbetande materialet utgores av snabbstal
CH674487A5 (fr) * 1987-10-06 1990-06-15 Arnegger Richard E
US5265340A (en) * 1992-06-18 1993-11-30 Ez Cuts Co. Oscillating saw construction tool
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AT404915B (de) * 1997-08-14 1999-03-25 Busatis Gmbh Säge mit einem grundkörper und zähnen und verfahren zur herstellung einer säge
DE29720605U1 (de) * 1997-11-21 1999-03-25 Scintilla Ag Sägeblatt für eine, insbesondere oszillierende, Sägemaschine
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US7017465B2 (en) * 2002-07-29 2006-03-28 L.S. Starrett Company Cutting tool with grooved cutting edge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013004984U1 (de) 2013-06-03 2014-05-21 Kwb Tools Gmbh Werkzeug zum spanenden Bearbeiten eines Werkstücks

Also Published As

Publication number Publication date
EP1481750B1 (fr) 2008-05-21
US20050178261A1 (en) 2005-08-18
DE502004007196D1 (de) 2008-07-03
EP1481750A1 (fr) 2004-12-01
DE20308797U1 (de) 2003-08-28

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