EP1349718B1 - Sägeband - Google Patents
Sägeband Download PDFInfo
- Publication number
- EP1349718B1 EP1349718B1 EP01272655A EP01272655A EP1349718B1 EP 1349718 B1 EP1349718 B1 EP 1349718B1 EP 01272655 A EP01272655 A EP 01272655A EP 01272655 A EP01272655 A EP 01272655A EP 1349718 B1 EP1349718 B1 EP 1349718B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- saw
- band
- saw band
- ribbon
- individual
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/127—Straight, i.e. flat, saw blades; strap saw blades
- B28D1/128—Straight, i.e. flat, saw blades; strap saw blades with exchangeable cutter bits or cutter segments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/124—Saw chains; rod-like saw blades; saw cables
- B28D1/125—Saw chains; rod-like saw blades; saw cables with exchangeable cutter bits or cutter segments
Definitions
- the invention relates to a saw band for a band saw according to the preamble of the main claim and a band saw with an inventive Bandsaw.
- Band saws and the endless saw bands running around them become Cutting different materials used. Both in the meat processing industry, as well as in the wood and metal industry Band saws for cutting off semi-finished products but also for precise cuts used.
- the endless rotating saw band offers numerous advantages. First is the feed direction of a band saw always parallel to the bending direction of the Saw band oriented and thus enables a very flexible cut. at A chain saw has a vertical feed and bend direction oriented towards each other. Therefore the circulation of the chain must inevitably Cutting plane are performed, which requires a certain width of the sword and a significant impairment in terms of the cut, means especially with regard to the cutting radii. Furthermore, the Saw band do not have their own pressure resistance, as it is always under one certain tension is pulled through the cut.
- a circular or Jigsaw must therefore have a comparatively thicker saw blade because the cutting pressure must also be maintained as a pure pressure load. Furthermore, the modern band saws have their own freedom in the cutting of great advantage. The cut can be oriented along almost any orientation Straight lines in the room.
- the cooling can be Carry out the example in a simple way using a liquid bath. Wiping cleaning elements are almost anywhere in the endless circulation of the saw band attachable.
- a major disadvantage of conventional band saws is the vulnerability of the Saw band for defects.
- the necessary flexibility of the saw band is necessary a comparatively thin material thickness, which is why saw bands measured on their specific cutting use a comparatively short service life exhibit.
- a saw blade with a high quality cutting material e.g. B. a diamond assembly in which Usually not.
- a saw band of a band saw is known from US Pat. No. 2,368,092, in which a Large number of individual, diamond-tipped tooth segments on a one-piece Carrier tape are applied. Although defective tooth segments this Saw band could be replaced with a suitable tool this solution is not convincing in terms of its robustness.
- the carrier tape must endure high cutting and centrifugal forces and may still for purposes of preservation its flexibility has only a low material thickness. In addition, it will still weakened by a large number of transverse bores which are necessary for the Connections with the tooth segments are necessary.
- this solution requires a guide rail in the band saw work area, to line up the tooth segments cleanly and during the Stabilize material interference. Especially when cutting rocks there is a large amount of dust, which is an effective one Lubrication of the guide rail difficult. For this reason Stone cutting machines today usually with high-speed Diamond cutting discs operated as a wet cutting system.
- the object of the invention to provide a band saw, which a longer average service life of a saw band at the same time has comparatively low stand costs and thus the advantages of Band sawing, especially in relation to circular saws.
- the object is achieved by a saw band mentioned type, in which the saw band directly from individual links connected in a form-fitting manner and arranged in the running direction consists. Furthermore, a band saw with a saw band according to the invention Subject of the invention.
- the decisive advantage of the saw band according to the invention is that the saw band can be disassembled into individual links. That way you can defective links can be easily replaced.
- the average service life of a Saw band is therefore no longer of a mostly accidental one Individual errors in the entire rotation of the saw band depend, but will determined by the average service life of the individual links.
- the probability of failure of a conventional saw band is determined the sum of the failure probabilities of the individual teeth.
- the breakdown of the saw band according to the invention into individual with each other connected links arranged one behind the other in the running direction enables the Reduction of the probability of failure of the saw band to that Probability of failure of a single limb, which results from the Sum of the failure probabilities of the individual teeth results.
- points a saw band according to the invention only a fraction of the Failure probability of a conventional saw band and therefore a much longer service life.
- the individual links with diamond particles or diamond segments. Falls one of the high-quality equipped Links of the saw band, it can advantageously be easily replaced and the entire saw band does not have to be discarded.
- a useful further development of the saw band according to the invention provides that the individual links are articulated together.
- the individual links are articulated together.
- By a articulated connection of the individual links it is possible to link the single link more robust, if necessary completely stiff.
- the service life of the saw band additionally.
- the band saw's own flexible version of the Saw band and the resulting flexible, thin The design of the saw band is no longer necessary.
- Diamond segments are usually made up of sintered components Diamond dust and a binder made. These are natural Segments rigid and due to their size can not be with one connect conventional flexible saw band.
- Saw band is articulated with each other due to the usability of rigid connected links possible for the first time, a band saw with a To operate diamond segments equipped saw band.
- Another embodiment of the saw band according to the invention provides that the individual links are flexible in themselves and thus an articulated connection of the individual links does not represent an imperative. This can in particular with less heavy-duty cutting tasks, such as Example in the meat industry.
- the positive connection between the individual links is special easy to maintain if it is detachable.
- the saw blade can be so by simply hanging and unhooking individual links disassemble.
- An advantageous development of the invention provides that the each link at least one recess and at least one Have holding element, the holding element of a link in each case Recesses a neighboring link and in this way a tensile connection between the adjacent links is formed.
- the members under tension are expediently removed from the association do not remove the saw band.
- Such an execution is extreme inexpensive, because additional connecting elements between the individual Limbs can be omitted. It also reduces the effort for that Replacement of individual links on a simple hooking and unhooking. moreover no tools are required for this.
- Each link expediently has Longitudinal direction of the saw band on one side and a holding element a recess on the opposite side. That way they can Holding elements of the identically designed links each in the recess of the neighboring link.
- a band saw with a saw band according to the invention that runs vertically, is particularly useful for cutting stones.
- plates stones can be placed on the usually perpendicular to the The running direction of the saw blade-oriented base plate can be divided. Since the does not create dust, as when using a circular saw or If the cutting disc is swirled heavily in the dry cutting process, the Any dust that arises can be sucked off almost completely.
- the saw band has no guide in the cutting area.
- the link 1 of a saw band according to the invention shown in FIG. 1 is shown in FIG provided with the reference number 1 in its entirety.
- a holding element 2 In the direction of the Saw band on one side of the link 1 is a holding element 2 and on the opposite side in the direction of a recess 3, the a holding piece 3a is limited in the running direction.
- the holding element 2 and that Holding piece 3a each extend transversely to the running direction of the saw band and parallel in the feed direction.
- the recess 3 is a segment of a circle executed, the secant of the segment of a circle having a length X which passing the holding element 2 of an adjacent link 1 allows.
- connection of two links 1 takes place in the manner shown in FIG. 2.
- the holding element 2 of a link 1 is shaped by the segment of a circle Recess 3 guided and then to abut the holding piece 3a brought.
- the result is a form-fit connection that is resilient to tension is articulated out of the cutting plane.
- the holding element 2 and the recess 3 and the holding piece 3a are as can be seen from Figure 4, carried out so cranked that the System of the holding element 2 on the holding piece 3a no offset between results in the cutting of the saw band formed as diamond segments 6.
- the neck of the T-shaped holding element 2 here forms a recess 8 for the Installation of the holding piece 3a.
- part of the recess 3 is transverse to Running direction and approximately parallel to the feed direction of the saw band itself extending recess 9 formed in which the holding element 2 on the Holding piece 3a comes to the plant.
- the cross section shown in Figure 3 through a saw band shows that the b1 designated thickness of the saw band on the diamond segment 6 is greater than the thickness b3 present in the middle of the link 1 and also as that on the Guide section 7 present thickness b2.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Decoration Of Textiles (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Adhesive Tapes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
- Fig. 1
- eine Draufsicht auf ein Glied eines erfindungsgemäßen Sägebands,
- Fig. 2
- eine Draufsicht auf die Verbindung zweier Glieder eines erfindungsgemäßen Sägebands,
- Fig. 3
- ein Schnitt durch ein erfindungsgemäßes Sägeband und
- Fig. 4
- eine Sicht von vorne auf ein Glied eines erfindungsgemäßen Sägebands.
Claims (14)
- Sägeband für eine Bandsäge,
dadurch gekennzeichnet, daß das Sägeband aus einzelnen direkt formschlüssig miteinander verbundenen in Laufrichtung hintereinander angeordneten Gliedern (1) besteht. - Sägeband nach Anspruch 1, dadurch gekennzeichnet, daß die einzelnen Glieder (1) eine Bestückung mit Diamantteilchen oder mit Diamantsegmenten (6) aufweisen.
- Sägeband nach Anspruch 1, dadurch gekennzeichnet, daß die einzelnen Gliedern (1) gelenkig miteinander verbunden sind.
- Sägeband nach Anspruch 1, dadurch gekennzeichnet, daß die einzelnen Glieder (1) in sich flexibel sind.
- Sägeband nach Anspruch 1, dadurch gekennzeichnet, daß die einzelnen Glieder (1) lösbar miteinander verbunden sind.
- Sägeband nach Anspruch 1, dadurch gekennzeichnet, daß die einzelnen Glieder (1) jeweils mindestens eine Ausnehmung (3) und mindestens ein Halteelement (2) aufweisen, wobei das Halteelement (2) eines Gliedes (1) jeweils in eine Ausnehmung (3) eines benachbarten Gliedes (1) eingreift und auf diese Weise eine zugfeste Verbindung zwischen den benachbarten Gliedern (1) gebildet wird.
- Sägeband nach Anspruch 6, dadurch gekennzeichnet, daß sich das Halteelement (2) in Längsrichtung des Sägebandes auf einer Seite des Gliedes (1) befindet und die Ausnehmung auf der gegenüberliegenden Seite.
- Sägeband nach Anspruch 7, dadurch gekennzeichnet, daß das einzelne Glied (1) etwa in der Längsposition der Ausnehmung (3) und des Halteelementes (2) eine jeweils quer zur Laufrichtung und in etwa parallel zur Vorschubrichtung des Sägebandes sich erstreckende Vertiefung (8, 9) aufweist.
- Sägeband nach Anspruch 1, dadurch gekennzeichnet, daß mindestens einige der Glieder (1) Ausnehmungen (5) aufweisen, in die Mitnehmerelemente von Laufrädern oder Antriebsrädern eingreifen können.
- Bandsäge mit mindestens einem Sägeband, dadurch gekennzeichnet, daß das Sägeband aus einzelnen, direkt formschlüssig miteinander verbundenen in Laufrichtung hintereinander angeordneten Gliedem (1) besteht.
- Bandsäge nach Anspruch 10, dadurch gekennzeichnet, daß das Sägeband vertikal verläuft.
- Bandsäge nach Anspruch 10, dadurch gekennzeichnet, daß das Sägeband endlos ist.
- Bandsäge nach Anspruch 10, dadurch gekennzeichnet, daß das Sägeband mindestens über einen Teil des Umlaufs mittels einer Führungsschiene geführt wird.
- Bandsäge nach Anspruch 10, dadurch gekennzeichnet, daß das Sägeband im Schnittbereich keine Führung aufweist.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20100127U | 2001-01-08 | ||
DE20100127U DE20100127U1 (de) | 2001-01-08 | 2001-01-08 | Diamant-Bandsägeglied |
DE10119295A DE10119295A1 (de) | 2001-01-08 | 2001-04-19 | Sägeband |
DE10119295 | 2001-04-19 | ||
PCT/EP2001/015080 WO2002053339A1 (de) | 2001-01-08 | 2001-12-19 | Sägeband |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1349718A1 EP1349718A1 (de) | 2003-10-08 |
EP1349718B1 true EP1349718B1 (de) | 2004-10-06 |
Family
ID=26009127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01272655A Expired - Lifetime EP1349718B1 (de) | 2001-01-08 | 2001-12-19 | Sägeband |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1349718B1 (de) |
AT (1) | ATE278521T1 (de) |
ES (1) | ES2230239T3 (de) |
PT (1) | PT1349718E (de) |
WO (1) | WO2002053339A1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2368092A (en) * | 1943-12-30 | 1945-01-30 | Contour Saws | Saw band for hard refractory materials |
US4562761A (en) * | 1979-07-23 | 1986-01-07 | Alexander Carl J | Articulated saw |
US4685368A (en) * | 1985-03-25 | 1987-08-11 | Gardner Dennis S | Band saw joint |
FI103263B (fi) * | 1996-01-02 | 1999-05-31 | Haapasalo Pauli | Sahakoneen terälaite |
-
2001
- 2001-12-19 EP EP01272655A patent/EP1349718B1/de not_active Expired - Lifetime
- 2001-12-19 PT PT01272655T patent/PT1349718E/pt unknown
- 2001-12-19 WO PCT/EP2001/015080 patent/WO2002053339A1/de not_active Application Discontinuation
- 2001-12-19 AT AT01272655T patent/ATE278521T1/de not_active IP Right Cessation
- 2001-12-19 ES ES01272655T patent/ES2230239T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2230239T3 (es) | 2005-05-01 |
WO2002053339A1 (de) | 2002-07-11 |
ATE278521T1 (de) | 2004-10-15 |
EP1349718A1 (de) | 2003-10-08 |
PT1349718E (pt) | 2005-02-28 |
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