EP0896867A2 - Lame de scie à montage thermiquement découplé des éléments de coupe sur le corps de la lame - Google Patents
Lame de scie à montage thermiquement découplé des éléments de coupe sur le corps de la lame Download PDFInfo
- Publication number
- EP0896867A2 EP0896867A2 EP98110386A EP98110386A EP0896867A2 EP 0896867 A2 EP0896867 A2 EP 0896867A2 EP 98110386 A EP98110386 A EP 98110386A EP 98110386 A EP98110386 A EP 98110386A EP 0896867 A2 EP0896867 A2 EP 0896867A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- saw blade
- blade according
- master
- segments
- groove
- 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- Withdrawn
Links
- 238000005520 cutting process Methods 0.000 title claims description 13
- 210000002105 tongue Anatomy 0.000 claims abstract description 39
- 238000000227 grinding Methods 0.000 claims abstract description 17
- 239000004575 stone Substances 0.000 claims abstract description 14
- 239000004566 building material Substances 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 7
- 239000010426 asphalt Substances 0.000 claims abstract description 6
- 239000011449 brick Substances 0.000 claims abstract description 6
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 5
- 239000011707 mineral Substances 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 4
- 229910001315 Tool steel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 239000010431 corundum Substances 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims 1
- 239000002826 coolant Substances 0.000 description 4
- 230000035882 stress Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052571 earthenware Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910052572 stoneware Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241001295925 Gegenes Species 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B28D1/121—Circular saw blades
- B28D1/122—Circular saw blades with exchangeable cutter bits or cutter segments
Definitions
- the invention relates to a saw blade for cutting, slitting or Grooves of natural stone, hard, synthetic, mineral building materials such as concrete, reinforced concrete, brick, ceramic, asphalt or the like.
- a circular saw blade is from utility model DE 89 07 107 U1 known that spread a master sheet with on its circumference arranged recesses and arranged in between Has tongues.
- the tongues each extend radially outside and each carry one on their radially outer edge a diamond-tipped grinding wheel.
- In the tongues in each case two radial, spaced from each other, blind holes extending into the master blade.
- the blind holes are two from the grinding wheel protruding pin on the underside can be inserted and with a Lockable part can be secured.
- the grinding wheels are thus detachable from the one-piece on the master blade molded tongues attachable, with the abrasive a radially outer end face of the tongues are.
- A is such a saw blade 101 with soldered abrasive bodies 102 3 and 4 in the region of a tongue 103 in the side and Front view shown.
- the tongue 103 is in one piece on one Master blade 104 formed, for example from a steel alloyed or unalloyed tool steel.
- the teeth of a saw blade are usually not always evenly worn so that in the area of the above Teeth the heat input is correspondingly larger, resulting in a different thermal loads in certain areas and considerable Tension can result.
- a warped saw blade is known to have a considerably lower sawing power than a flat saw blade and creates one higher frictional heat, which causes problems due to thermal Tension can also be increased. With heavily warped Saw blades the cutting groove is imprecise, which means an increased Waste of sawn goods results, which is particularly the case with expensive Earthenware, such as B. marble or granite, a significant cost burden can cause.
- FIG. 4 is a tooth of a saw blade 101 after use shown for working earthenware.
- the tongues are used in such abrasive material as stoneware 103 in the area of their lateral flank 106.
- a reduced contact area 107 also means reduced strength of the connection between the grinding wheel 102 and the tongue 103.
- Such a small contact area 107 can after loosening an abrasive wheel 102, a reassembly to make impossible.
- saw blades For sawing wood, metal and the like are saw blades known that have radially protruding teeth on a master blade.
- the teeth are usually in one piece on the base sheet molded, ground and hardened.
- A1 shows a segment circular saw blade, with a stem sheet, the periphery of a thinned stem sheet has, on the overlapping incisor-bearing segments are attached by means of rivets.
- a segment consists of one Segment body, a U-shaped in the lower segment edge area Has longitudinal slot, which is formed by two-sided lobes becomes. The free end edges of the lobes are concave in an arc trained and sit on appropriately convex Shoulders on both sides next to the stem leaf are.
- the invention has for its object to provide a saw blade Cutting, slitting or grooving natural stone and synthetic Building materials such as concrete, reinforced concrete, brick or asphalt or the like, creating a temperature stable, a long time Has lifespan and is inexpensive to manufacture.
- a saw blade which consists of a Master sheet and several peripherally arranged on the master sheet a thermally decoupling tongue and groove connection Segments is formed.
- the segments have radially protruding ones and grinding wheel bearing tongues and are by means of Rivets attached to the base sheet.
- the column can also be filled with a thermally decoupling layer. When machining - cutting, slitting, grooving or the like - the frictional heat generated predominantly remains in the range of Segments and is released by these directly to a cooling medium. The thermal load on the base sheet is thereby kept very low.
- the segments are made of one High hardness steel or by thermal treatments or the like hardened. This is because of the relatively small area of the Segments with simple technical effort at low costs possible, the tongues carrying the grinding wheels of these hard segments have a high wear resistance and Remain dimensionally stable over a long service life, resulting in a sufficient contact area between the tongues and the grinding wheels is ensured over the long service life.
- the saw blade 1 has a master blade 2 and several peripherally Master sheet 2 arranged segments 3.
- the master sheet 2 is a circular disc with one or more in a known manner centrally arranged openings (not shown) for fastening the saw blade 1 on a shaft a sawing device.
- the master blade web 5 On the circumference of the master sheet 2 there is a master blade web 5 all round formed, which is thinner than the thickness of the base sheet 2nd is.
- the master blade web 5 has an approximately rectangular Cross section on with a free end edge 7 and two side walls 8. It is arranged centrally on the master sheet 2, so that two 8 shoulder surfaces perpendicular to the side walls 9 are arranged on the master sheet 2. In predetermined, regular Distances are rivet holes arranged on a circular line 10 introduced into the master blade web 5.
- the master sheet 2 is made of an alloyed or unalloyed tool steel trained with a maximum hardness of 52 HRC.
- the hardness of the master blade 2 is preferably less than 50 HRC.
- the segments 3 each consist of a segment body 12 Segment body 12 is a plate-shaped ring segment with a connecting edge region 14, two arranged radially on the inside Front edges 15 and a radially outer sawtooth area 16.
- the connecting edge region 14 has a U-shaped longitudinal groove 17 on, which is formed by two side tabs 18.
- the two Tabs 18 define a groove bottom 19 between them free end edges 20 of the tabs 18 are concave in plan view curved in an arc.
- rivet holes 22 for the attachment of a segment 3 to the base sheet 5 brought in.
- the segments 3 are with their U-shaped longitudinal groove 17 on the Master sheet 2 overlapping the master sheet web 5 and by means of rivets penetrating through the rivet holes 10, 22 on the base sheet 2 attached.
- the width BL of the tabs 18 is somewhat larger than the width BS of the stem blade web 5. Support the tabs 18 therefore with their concavely curved free end edges 20 the corresponding convexly curved shoulder surfaces 9 and the Groove bottom 19 is arranged at a distance from the free end edge 7, so that they define an annular gap 25 between them.
- the Longitudinal grooves 17 and / or the master blade web 5 with rough tolerances be formed and / or have flat recesses in order in the area of the free end edges 20 and / or side walls 8 and / or the shoulder surfaces 9 thermally decoupling air chambers or to provide air pockets.
- One or more are located on the segment body 12 radially outward protruding tongues 27 formed in one piece, between them delimit a U-shaped recess 28 in plan view.
- the Tongues 27 each have two side walls 29, one free End edge 30, which is convexly curved along a circular line, and two radially extending end edges 31.
- the front edges 31 are in the region of the recesses 28 via a concave semicircular Arc 32 connected and to the front edges 31 of the Tongues 27, which are adjacent to the end edges 15 of the segments 3 are arranged, a concave quarter circle closes Sheet 33.
- the quarter-circular arches 33 end each perpendicular to the end edges 15 of the segments 3.
- the segment body 12 preferably consist of a hard one Material such as B. high-performance high-speed steel, tempering steel or from a hardened with conventional methods Steel or the like.
- the segment body 12 have a hardness of more than 52 HRC and preferably of more than 55 HRC.
- the surface of the segments 3, in particular in the area of Side walls 29 of the tongues 27, is advantageously with Hard material coated or tempered on the surface.
- the grinding wheel 35 has one with a metallic base body.
- Such Abrasive coverings have grains of diamond, corundum, silicon carbide or another non-metallic inorganic abrasive on.
- the segments 3 are with their groove 17 on the circumference of the base sheet 2 on the master sheet 5 in the manner of a tongue and groove connection placed, with the annular gap 25 between the master blade web 5 and the groove bottom 19 forms a parting line, which is the heat transfer of which each have a tongue 27 and a grinding wheel 35 existing saw teeth for master sheet 2 interrupts.
- d. H. when cutting, slitting, grooving and the like, of natural stone or synthetic building materials remains generated frictional heat mostly in the area of segments 3 and is released by these directly to a cooling medium.
- the thermal load on the master sheet 2 is very much kept low. Compared to the master sheet 2 on the small area trained segments 3 occur even at high temperatures only slight mechanical tension, so that Saw blade 1 overall surprisingly well the enormous thermal Can withstand stress.
- the invention is not based on the exemplary embodiment explained above limited; a specialist can within the scope of his specialist knowledge find other variations easily.
- So z. B. the Groove of the tongue and groove connection not on the segments, but be formed on the base sheet, the segments each one have corresponding web, which can be used as a spring in the groove is.
- the free end edges 30 of the tongues 27 can, for. B. be designed in a straight line, the grinding bodies 35 correspondingly have straight contact edges. With one Embodiment can the grinding wheel 35 regardless of Diameter of the saw blade produced and on the segments 3 be attached.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19735142A DE19735142A1 (de) | 1997-08-13 | 1997-08-13 | Sägeblatt |
| DE19735142 | 1997-08-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0896867A2 true EP0896867A2 (fr) | 1999-02-17 |
| EP0896867A3 EP0896867A3 (fr) | 2001-05-02 |
Family
ID=7838891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98110386A Withdrawn EP0896867A3 (fr) | 1997-08-13 | 1998-06-06 | Lame de scie à montage thermiquement découplé des éléments de coupe sur le corps de la lame |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6058923A (fr) |
| EP (1) | EP0896867A3 (fr) |
| DE (1) | DE19735142A1 (fr) |
| PL (1) | PL327961A1 (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010041524A1 (en) * | 1997-05-28 | 2001-11-15 | Marco Steiger | Material removing tool |
| US6877975B2 (en) * | 2000-10-17 | 2005-04-12 | David G. Wuchinich | Rolling pin horn |
| US7373857B2 (en) * | 2002-07-29 | 2008-05-20 | William Engineering Llc | Composite metal article and method of making |
| US7017465B2 (en) | 2002-07-29 | 2006-03-28 | L.S. Starrett Company | Cutting tool with grooved cutting edge |
| CN1947907A (zh) * | 2005-10-10 | 2007-04-18 | 库拉图五金工具(上海)有限公司 | 能进行多角度切割的锯 |
| CN1947908A (zh) * | 2005-10-10 | 2007-04-18 | 库拉图五金工具(上海)有限公司 | 一种锯的加工方法 |
| CN1947965A (zh) * | 2005-10-10 | 2007-04-18 | 库拉图五金工具(上海)有限公司 | 手板锯 |
| CN1951618A (zh) * | 2005-10-20 | 2007-04-25 | 库拉图五金工具(上海)有限公司 | 一种可转动的手板锯 |
| CN1954949A (zh) * | 2005-10-26 | 2007-05-02 | 库拉图五金工具(上海)有限公司 | 一种可防止皮肤磨破的手板锯 |
| KR20070073580A (ko) * | 2006-01-04 | 2007-07-10 | 한국과학기술연구원 | 저소음 톱날 구조 및 저소음 다이아몬드 톱날 |
| DE102007016207B3 (de) * | 2007-04-04 | 2008-07-03 | Rattunde & Co Gmbh | Sägeblatt |
| KR100760397B1 (ko) * | 2007-04-12 | 2007-09-19 | 주식회사 포스벨 | 생활쓰레기 분리 및 파봉용 톱날형 디스크 스크린 |
| CN103286826A (zh) * | 2013-05-24 | 2013-09-11 | 慈溪市匡堰盈兴竹制品厂 | 锯竹机用锯片 |
| IT202000026149A1 (it) * | 2020-11-03 | 2022-05-03 | Dario Toncelli | Metodo per il taglio di lastre in materiale sinterizzato |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2670766A (en) * | 1951-09-27 | 1954-03-02 | Lennartz & Co | Sectional circular saw |
| DE2606598C3 (de) * | 1976-02-19 | 1978-10-19 | Leopold 5350 Euskirchen Jaegers | Sägeblatt |
| DE3004867C2 (de) * | 1980-02-09 | 1984-02-23 | Diamantwerkzeugfabrikation Tusch Kg, 5901 Wilnsdorf | Kreissägeblatt für Natur- und Kunststeinmaterial |
| JPS5912563U (ja) * | 1982-07-13 | 1984-01-26 | 旭ダイヤモンド工業株式会社 | ダイヤモンド切断砥石のチツプ取付構造 |
| AT383533B (de) * | 1982-12-09 | 1987-07-10 | Ver Edelstahlwerke Ag | Rotierendes werkzeug |
| DE3618545A1 (de) * | 1986-06-03 | 1987-12-10 | Arntz Joh Wilh Fa | Segmentkreissaegeblatt |
| SU1435428A1 (ru) * | 1987-04-29 | 1988-11-07 | Архангельский лесотехнический институт им.В.В.Куйбышева | Дискова пила |
| US5012792A (en) * | 1988-12-27 | 1991-05-07 | Osaka Diamond Industrial Co., Ltd. | Rotary blade and a rotary substrate for use in the rotary blade |
| US5197453A (en) * | 1992-08-28 | 1993-03-30 | Sanders Saws, Inc. | Two-tier groove cutting circular saw blade with multiple core assembly |
| US5518443A (en) * | 1994-05-13 | 1996-05-21 | Norton Company | Superabrasive tool |
| US5839423A (en) * | 1997-03-13 | 1998-11-24 | Jones; Leon D. | Cutting disc |
-
1997
- 1997-08-13 DE DE19735142A patent/DE19735142A1/de not_active Withdrawn
-
1998
- 1998-06-06 EP EP98110386A patent/EP0896867A3/fr not_active Withdrawn
- 1998-08-12 PL PL98327961A patent/PL327961A1/xx unknown
- 1998-08-12 US US09/133,277 patent/US6058923A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0896867A3 (fr) | 2001-05-02 |
| PL327961A1 (en) | 1999-02-15 |
| US6058923A (en) | 2000-05-09 |
| DE19735142A1 (de) | 1999-02-18 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ARNTZ GMBH & CO. KG |
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Effective date: 20010822 |
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| AKX | Designation fees paid |
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