EP1280627B1 - Kreissägeblatt mit sich radial nach innen erstreckenden dehnungsschlitzen - Google Patents
Kreissägeblatt mit sich radial nach innen erstreckenden dehnungsschlitzen Download PDFInfo
- Publication number
- EP1280627B1 EP1280627B1 EP02737838A EP02737838A EP1280627B1 EP 1280627 B1 EP1280627 B1 EP 1280627B1 EP 02737838 A EP02737838 A EP 02737838A EP 02737838 A EP02737838 A EP 02737838A EP 1280627 B1 EP1280627 B1 EP 1280627B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- saw blade
- circular saw
- diameter
- chip space
- blade 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.)
- Expired - Lifetime
Links
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
- B23D61/04—Circular saw blades with inserted saw teeth, i.e. the teeth being individually inserted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
- B23D61/025—Details of saw blade body
-
- 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
- Y10T83/9319—Toothed blade or tooth therefor
Definitions
- the invention relates to a circular saw blade, consisting of a support body and a plurality of distributed over the circumference inserted into the support body, a front rake surface and a rear abutment surface and a Circle diameter F forming cutting edge having inserts, with a chip space formed in front of each insert and a plurality of Distributed distributed over the circumference, extending radially inward Expansion slots, which are essentially triangular Final configuration with a curve within the curve Have center and spring on Spanraum ground.
- Such a circular saw blade is known for example from DE 92 16 744 U.
- the expansion slots serve to absorb thermal expansion and the Interruption of vibrations occurring in the supporting body.
- the triangular final configuration has the task by friction the To convert vibrational energy into heat.
- Circular sawing machines are known in which the saw blades between Flanges are firmly clamped on the shaft, and those in which the Saw blades loosely mounted on a wedge or polygon shaft and the support body between fixed and flowing guides (master blade guides) out become.
- the invention is based on the object described at the beginning Circular saw blade so that it has a stable vibration behavior when used in circular sawing machines where it is both clamped between flanges as well as in the outer region of the support body to be led.
- the sprocket is very closed due to the small chip space diameter due to the small difference between the circle diameter and Carrier diameter is a circular Spandickenbegrenzer in a mold created that results in a maximum chip thickness of less than 1 mm.
- This Spandickenbegrenzung provides especially in knotty and cracked Wood for maximum stability of the saw in operation.
- the angle of inclination between rake face and contact surface of the inserts is preferably in the range of 1 ° to 7 °.
- the width of the expansion slots is preferably 0.3 mm.
- the Expansion slots can be filled with a permanently elastic material, to a deterioration of the leadership properties in the outer area of the To avoid supporting body.
- the circular saw blade consists of the support body 1 and in the support body. 1 soldered or glued cutting plates 2, which form the saw teeth.
- Each cutting plate 2 is a chip space 3 is introduced.
- a hole 7 for attachment to the not closer shown shaft provided a circular saw machine.
- Expansion slot 4 the first in a straight-running area 6 after is guided radially inward and at the end in a triangular-shaped Termination configuration 5 passes.
- the geometric center of the triangular-shaped Area 5 forms the center Z.
- the distance L of the expansion slot 4 of its origin to the center is a maximum of 17 mm.
- the circle diameter F of the cutting edge formed on the cutting plate 2 is at most 2 mm greater than the diameter T of the carrier body 1.
- the workpiece has a maximum chip thickness of not more than 1 mm (F / 2 - T / 2). Due to the small projection of the Spandickenbegrenzer is circular
- the smallest chip space diameter S of each chip space 3 is a maximum of 13 mm smaller than the circle diameter F.
- the clamping surface 2a of the cutting plate 2 extends opposite the contact surface 2b, with the cutting plate 2 rests in the support body 1, at an angle of 1 ° to 7 ° inclined.
- the Circular saw blade provided with a surface coating.
- the expansion slot 4 is wider formed as in the triangular-shaped area 5.
- the Expansion slot 4 can be filled with a permanently elastic mass, what for can provide improved leadership. Usually that is in the sawing machine trained management device compressed air operated. So it's going to be the lead of the support body 1 constructed an air cushion. Locked expansion slots reduce the air requirement necessary for the guidance.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Milling Processes (AREA)
Description
- Figur 1 -
- die Ansicht eines Kreissägeblattes;
- Figur 2 -
- einen vergrößerten Ausschnitt aus Figur 1;
- Figur 3 -
- einen vergrößerten Ausschnitt aus Figur 2.
(F/2 - T/2) ein. Durch den geringen Überstand ist der Spandickenbegrenzer kreisrund ausgebildet
- 1
- Tragkörper
- 2
- Schneidplatte
- 2a
- Spanfläche
- 2b
- Anlagefläche
- 3
- Spanraum
- 4
- Dehnungsschlitz
- 5
- triangelförmig verlaufender Bereich
- 6
- gerade verlaufender Bereich
- 7
- Bohrung
Winkel - F
- Flugkreisdurchmesser
- L
- Abstand/Mündung bis Zentrum
- S
- Spanraumdurchmesser
- T
- Durchmesser Tragkörper
- Z
- Zentrum
Claims (7)
- Kreissägeblatt, bestehend aus einem Tragkörper (1) und einer Mehrzahl über den Umfang verteilt in den Tragkörper (1) eingesetzter, eine vordere Spanfläche (2a) und eine rückseitige Anlagefläche (2b) sowie eine einen Flugkreisdurchmesser (F) bildende Schneidkante aufweisende Schneidplatten (2), mit einem vor jeder Schneidplatte (2) ausgebildeten Spanraum (3) und einer Mehrzahl von über den Umfang verteilt angeordneter, sich nach radial innen erstreckender Dehnungsschlitze (4), die eine im wesentlichen triangelförmige Abschlusskonfiguration (5) mit einem innerhalb des Kurvenverlaufs liegenden Zentrum (Z) aufweisen und am Grund des Spanraumes (3) entspringen, gekennzeichnet durch folgende Merkmale:a) der Flugkreisdurchmesser (F) ist maximal 2 mm größer als der Durchmesser (T) des Tragkörpers (1);b) der Abstand (L) der Dehnungsschlitze (4) von ihrem Ursprung bis zum Zentrum (Z) beträgt maximal 17 mm;c) der kleinste Spanraumdurchmesser (S) jedes Spanraumes (3) ist maximal 13 mm kleiner als der Flugkreisdurchmesser (F);d) die Spanfläche (2a) der Schneidplatten (2) verläuft gegenüber der Anlagefläche (2b) geneigt.
- Kreissägeblatt nach Anspruch 1, dadurch gekennzeichnet, dass der Neigungswinkel (α) zwischen Spanfläche (2a) und Anlagefläche (2b) im Bereich von 1 ° bis 7° liegt.
- Kreissägeblatt nach Anspruch 1, dadurch gekennzeichnet, dass die Breite der Dehnungsschlitze (4) maximal 0,3 mm beträgt.
- Kreissägeblatt nach Anspruch 1, dadurch gekennzeichnet, dass die Dehnungsschlitze (4) über den Umfang unregelmäßig verteilt sind.
- Kreissägeblatt nach einem oder mehreren der vorstehenden Ansprüche, gekennzeichnet durch eine Oberflächenbeschichtung des Tragkörpers (1) zur Vermeidung von Harzansatz während des Betriebes.
- Kreissägeblatt nach Anspruch 3, dadurch gekennzeichnet, dass die Dehnungsschlitze (4) in ihrem gerade verlaufenden Bereich (6) breiter ausgebildet sind als in dem triangelförmig verlaufenden Bereich (5).
- Kreissägeblatt nach Anspruch 1, dadurch gekennzeichnet, dass die Dehnungsschlitze (4) mit einem dauerelastischen Material ausgefüllt sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK02737838T DK1280627T3 (da) | 2001-05-18 | 2002-05-15 | Rundsavsklinge med ekspansionsspalter, der strækker sig radialt indad |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10124687 | 2001-05-18 | ||
DE10124687A DE10124687B4 (de) | 2001-05-18 | 2001-05-18 | Kreissägeblatt |
PCT/DE2002/001726 WO2002094489A1 (de) | 2001-05-18 | 2002-05-15 | Kreissägeblatt mit sich radial innen erstreckender dehnungsschlitze |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1280627A1 EP1280627A1 (de) | 2003-02-05 |
EP1280627B1 true EP1280627B1 (de) | 2005-08-03 |
Family
ID=7685559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02737838A Expired - Lifetime EP1280627B1 (de) | 2001-05-18 | 2002-05-15 | Kreissägeblatt mit sich radial nach innen erstreckenden dehnungsschlitzen |
Country Status (7)
Country | Link |
---|---|
US (1) | US20040050233A1 (de) |
EP (1) | EP1280627B1 (de) |
JP (1) | JP2004519349A (de) |
AT (1) | ATE301019T1 (de) |
DE (2) | DE10124687B4 (de) |
ES (1) | ES2244784T3 (de) |
WO (1) | WO2002094489A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060037456A1 (en) * | 2004-08-19 | 2006-02-23 | Scies Bgr Inc. | Circular saw blade |
US20060112799A1 (en) * | 2004-11-30 | 2006-06-01 | Hambleton Neal S | Fiber cement saw blade |
US20090199693A1 (en) * | 2005-04-20 | 2009-08-13 | Saint-Gobain Abrasives, Inc. | Circular Saw Blade With Elliptical Gullets |
EP2244853B1 (de) * | 2008-01-22 | 2015-09-30 | Saint-Gobain Abrasives, Inc. | Kreissägeblatt mit ellipsenförmigen kerben |
AU2009206492B2 (en) * | 2008-01-22 | 2011-04-28 | Saint-Gobain Abrasifs | Circular saw blade with offset gullets |
DE102011081415A1 (de) * | 2011-08-23 | 2013-02-28 | Robert Bosch Gmbh | Sägeblatt |
CN105881747A (zh) * | 2014-10-28 | 2016-08-24 | 孙锁海 | 一种金刚石球面切割锯片 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2528226A (en) * | 1949-01-21 | 1950-10-31 | Walter H Geier | Circular saw and method of making same |
US3362446A (en) * | 1965-10-18 | 1968-01-09 | Potomak Andrew | Circular saws |
US3981216A (en) * | 1973-06-06 | 1976-09-21 | Lemmon & Snoap Co. | Low noise, high speed saw blade |
FI780507A (fi) * | 1978-02-16 | 1979-08-17 | Ahlstroem Oy | Cirkelsaogblad |
US4515055A (en) * | 1981-08-13 | 1985-05-07 | Omark Industries, Inc. | Circular saw blade |
CH660326A5 (de) * | 1983-01-13 | 1987-04-15 | Tecno Zuerich Ag | Saegeblatt fuer die bearbeitung von holz oder aehnlichen werkstoffen. |
US4794835A (en) * | 1985-12-20 | 1989-01-03 | Kanefusa Hamono Kogyo Company Limited | Plate-like rotary body with vibration-suppressing characteristics and method of manufacturing same |
DE3606116A1 (de) * | 1986-02-26 | 1987-08-27 | Bernd Jaennsch Praezisa Hartme | Saegeblatt fuer zuschnitte |
FR2679475B1 (fr) * | 1991-07-25 | 1995-10-13 | Electrolyse Palais Cie Gle | Lame a dents munies de pastilles de carbure pour le sciage de metaux non-ferreux. |
SE469325B (sv) * | 1991-11-04 | 1993-06-21 | Sandvik Ab | Saagblad |
US5351595A (en) * | 1991-12-20 | 1994-10-04 | Vermont American Corporation | Thin kerf circular saw blade |
US5261306A (en) * | 1992-02-28 | 1993-11-16 | Wood Technology, Inc. | Circular saw blade for tree cutting and bunching vehicles |
SE470397B (sv) * | 1992-07-06 | 1994-02-14 | Sandvik Ab | Sågblad med radiella slitsar och bågformade urtag för vibrationsdämpning |
DE9216744U1 (de) * | 1992-12-09 | 1993-01-28 | Gebr. Leitz Gmbh & Co, 7082 Oberkochen | Kreissägeblatt |
DE9400182U1 (de) * | 1994-01-10 | 1994-03-10 | Ledermann Gmbh, 72160 Horb | Kreissägeblatt |
US5555788A (en) * | 1995-03-29 | 1996-09-17 | Credo Tool Company | Saw blade |
JPH09216121A (ja) * | 1996-02-14 | 1997-08-19 | Tsune Wagner Carbide:Kk | 丸 鋸 |
EP1029624A3 (de) * | 1998-12-29 | 2003-05-02 | Sheffield Saw and Tool Co. Inc. | Kreissägeblätter mit Schneidzähnen aus ultrahartem Material, und Verfahren zu ihrer Herstellung |
DE29901713U1 (de) * | 1999-02-01 | 2000-06-29 | Powertools International GmbH, 25474 Ellerbek | Sägeblatt |
EP1034871A3 (de) * | 1999-03-11 | 2002-10-02 | Kapman AB | Bandsägeblatt mit geschränkten Zähnen und mit reduzierten seitlichen Kräften |
-
2001
- 2001-05-18 DE DE10124687A patent/DE10124687B4/de not_active Expired - Fee Related
-
2002
- 2002-05-15 ES ES02737838T patent/ES2244784T3/es not_active Expired - Lifetime
- 2002-05-15 AT AT02737838T patent/ATE301019T1/de not_active IP Right Cessation
- 2002-05-15 EP EP02737838A patent/EP1280627B1/de not_active Expired - Lifetime
- 2002-05-15 WO PCT/DE2002/001726 patent/WO2002094489A1/de active IP Right Grant
- 2002-05-15 DE DE50203813T patent/DE50203813D1/de not_active Expired - Fee Related
- 2002-05-15 JP JP2002591193A patent/JP2004519349A/ja active Pending
- 2002-05-15 US US10/450,198 patent/US20040050233A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20040050233A1 (en) | 2004-03-18 |
ATE301019T1 (de) | 2005-08-15 |
WO2002094489A1 (de) | 2002-11-28 |
JP2004519349A (ja) | 2004-07-02 |
DE10124687A1 (de) | 2002-12-05 |
ES2244784T3 (es) | 2005-12-16 |
DE50203813D1 (de) | 2005-09-08 |
EP1280627A1 (de) | 2003-02-05 |
DE10124687B4 (de) | 2006-01-12 |
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