WO1996001715A1 - Machining tool - Google Patents
Machining tool Download PDFInfo
- Publication number
- WO1996001715A1 WO1996001715A1 PCT/NL1995/000240 NL9500240W WO9601715A1 WO 1996001715 A1 WO1996001715 A1 WO 1996001715A1 NL 9500240 W NL9500240 W NL 9500240W WO 9601715 A1 WO9601715 A1 WO 9601715A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass
- machining
- machining tool
- ceramic material
- parts
- Prior art date
Links
- 238000003754 machining Methods 0.000 title claims abstract description 40
- 239000011521 glass Substances 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000003801 milling Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 3
- 206010006514 bruxism Diseases 0.000 claims description 2
- 239000005357 flat glass Substances 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 238000005476 soldering Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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
- B23D65/00—Making tools for sawing machines or sawing devices for use in cutting any kind of material
Definitions
- the invention relates to machining tools such as milling cutters, saws, drills and the like, comprising a mother element and at least one machining surface part.
- the invention further relates to a method for manufacturing such tools, in particular a saw, more particularly a circular saw.
- a hard metal circular saw proceeds as follows. Using a laser beam a mother plate is sawn from steel, which is then automatically stretched and aligned. A tension is hereby imparted to the plate which provides it with its stability. Thereafter in an automatic hard-soldering process the parts are arranged from which the machining surfaces are created after grinding and the like. In the case of a circular saw these are the teeth.
- the soldering is done with silver and the mother plate and the hard metal parts which go to form the machining surface are heated for this purpose to about 650°C to bring about the solder connection between the mother plate and the hard metal parts.
- Hard metal further contains heavy metals and both the processing thereof and the removal of the waste released during processing, or the product itself at the end of its life-span, create an impact on the environment.
- a machining tool comprising a mother element and at least one machining surface part, wherein the machining surface part consists at least partially of glass or a ceramic material.
- glass and ceramic material are sufficiently strong to be used in machining tools.
- different special types of glass can be used depending on the desired properties of the tool.
- Such special glass types include for example DuranTM, C-DuranTM, Sic.DuranTM, TempaxTM, CeranTM, RobaxTM, Float GlassTM, and BorofloatTM, all from the manufacturer Schott Glaswerke.
- the advantage of the invention is that no heat treatment is required as with soldering, because the machining surface parts of glass or ceramic material can be glued onto the mother plate or other type of mother element.
- the manual alignment and sandblasting of the plate can hereby also be omitted. Due to the manual "alignment" becoming superfluous the production process can be fully automated and this results in a fall in production costs.
- the waste produced during production and at the end of the useful life of the end product will also have less of an impact on the environment than the conventionally used hard metal.
- the invention can be applied to various types of machining tools, such as saws, in particular circular saws, milling cutters and drills.
- the machining tool is a circular saw, the teeth of which are embodied in glass or a ceramic material.
- the invention further relates to a method for manufacturing a machining tool, comprising of manufacturing a mother element of metal, in particular steel, arranging a part or parts of glass or a ceramic material at the location of the machining surface and grinding one or more machining surfaces in the parts of glass or ceramic material.
- mother element refers to the body of the tool with the exception of the machining surface.
- Machining surface part refers to the part of the tool which conventionally consists of hard metal, but which according to the invention is embodied in glass or ceramic material.
- the method according to the invention comprises of manufacturing a mother plate of metal, in particular steel, arranging parts of glass along the periphery of the mother plate and grinding teeth into the glass parts.
- the parts of glass or ceramic material can be fixed for example by means of glue. On the basis of the specifications for the tool it is within the reach of the skilled person to select a glue appropriate for the material chosen for the machining surface.
- a mother plate of steel for a circular saw was provided on its periphery with parts of glass. The glass parts were then ground into teeth. A circular saw manufactured in this manner was found to have sawing properties corresponding with conventional circular saws.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to a machining tool comprising a mother element and at least one machining surface part, wherein the machining part consists at least partially of glass or a ceramic material. The tool is for instance a saw, in particular a circular saw, a milling cutter or a drill. The invention further relates to a method for manufacturing a machining tool by manufacturing a mother element of metal, in particular steel, arranging a part or parts of glass or a ceramic material at the location of the machining surface, e.g. by gluing, and grinding one or more machining surfaces in the parts of glass or ceramic material.
Description
MACHINING TOOL
The invention relates to machining tools such as milling cutters, saws, drills and the like, comprising a mother element and at least one machining surface part. The invention further relates to a method for manufacturing such tools, in particular a saw, more particularly a circular saw.
In known tools of steel the machining surface is often covered with a hard metal. However, the use of hard metal involves a number of drawbacks. The manufacture of for example a hard metal circular saw proceeds as follows. Using a laser beam a mother plate is sawn from steel, which is then automatically stretched and aligned. A tension is hereby imparted to the plate which provides it with its stability. Thereafter in an automatic hard-soldering process the parts are arranged from which the machining surfaces are created after grinding and the like. In the case of a circular saw these are the teeth. The soldering is done with silver and the mother plate and the hard metal parts which go to form the machining surface are heated for this purpose to about 650°C to bring about the solder connection between the mother plate and the hard metal parts. The above stated hard-soldering process is a precise and very expensive operation. Should something goes wrong during the process the whole product is rejected. In addition, after the soldering process the plate must be "aligned" again. Due to the heating of the periphery of the mother plate tensions have occurred in the material which must be eliminated. This elimination takes place by once again stretching and aligning, not automatically this time but manually by experts. Such experts have a "feel" for this precise operation and the quality of a circular saw depends on their expertise.
During arranging of the hard metal parts on the mother plate burn marks also occur which have to be removed
by means of sandblasting. Finally, each tooth of a circular saw blade is separately ground and checked to the correct tolerances.
The above described production process comprises many steps and is therefore time-consuming and costly. When after a period of time there occurs wear of the machining surface, re-grinding or replacement of the entire tool is necessary. This is of course also very expensive. In addition, the expertise required for the necessary alignment of the blade after soldering is also an uncertain factor in the production of such tools. In the case of illness or absence of the experts in this field the production of such tools can be subject to considerable delay.
Hard metal further contains heavy metals and both the processing thereof and the removal of the waste released during processing, or the product itself at the end of its life-span, create an impact on the environment.
It is the object of the present invention to provide a machining tool which does not have the above stated drawbacks and can be manufactured by means of a simpler production process.
The is achieved by the invention with a machining tool comprising a mother element and at least one machining surface part, wherein the machining surface part consists at least partially of glass or a ceramic material.
Surprisingly, it has been found that glass and ceramic material are sufficiently strong to be used in machining tools. In addition to window glass, different special types of glass can be used depending on the desired properties of the tool. Such special glass types include for example Duran™, C-Duran™, Sic.Duran™, Tempax™, Ceran™, Robax™, Float Glass™, and Borofloat™, all from the manufacturer Schott Glaswerke.
The advantage of the invention is that no heat treatment is required as with soldering, because the machining surface parts of glass or ceramic material can be glued onto the mother plate or other type of mother element. The manual alignment and sandblasting of the plate can
hereby also be omitted. Due to the manual "alignment" becoming superfluous the production process can be fully automated and this results in a fall in production costs.
The waste produced during production and at the end of the useful life of the end product will also have less of an impact on the environment than the conventionally used hard metal.
The invention can be applied to various types of machining tools, such as saws, in particular circular saws, milling cutters and drills. In the particularly suitable embodiment of the invention the machining tool is a circular saw, the teeth of which are embodied in glass or a ceramic material.
The invention further relates to a method for manufacturing a machining tool, comprising of manufacturing a mother element of metal, in particular steel, arranging a part or parts of glass or a ceramic material at the location of the machining surface and grinding one or more machining surfaces in the parts of glass or ceramic material. In this application "mother element" refers to the body of the tool with the exception of the machining surface. "Machining surface part" refers to the part of the tool which conventionally consists of hard metal, but which according to the invention is embodied in glass or ceramic material. In the case of manufacturing a saw, in particular a circular saw, the method according to the invention comprises of manufacturing a mother plate of metal, in particular steel, arranging parts of glass along the periphery of the mother plate and grinding teeth into the glass parts.
The parts of glass or ceramic material can be fixed for example by means of glue. On the basis of the specifications for the tool it is within the reach of the skilled person to select a glue appropriate for the material chosen for the machining surface.
The present invention will be elucidated with reference to the annexed example which is not however intended to limit the invention in any way.
EXAMPLE
A mother plate of steel for a circular saw was provided on its periphery with parts of glass. The glass parts were then ground into teeth. A circular saw manufactured in this manner was found to have sawing properties corresponding with conventional circular saws.
Claims
1. Machining tool comprising a mother element and at least one machining surface part, characterized in that the machining part consists at least partially of glass or a ceramic material.
2. Machining tool as claimed in claim 1, characterized in that the glass or ceramic material is chosen from the group which consists of the types Duran™, C-Duran™, Sic.Duran™, Tempax™, Ceran™, Robax™, Float Glass™, Borofloat™ and window glass.
3. Machining tool as claimed in claim 1 or 2, characterized in that it is a saw.
4. Machining tool as claimed in claim 3, characterized in that it is a circular saw.
5. Machining tool as claimed in claim 1 or 2, characterized in that it is a milling cutter.
6. Machining tool as claimed in claim l or 2, characterized in that it is a drill.
7. Machining tool as claimed in any of the claims 1- 6, characterized in that the glass or ceramic material is glued on or to the mother element.
8. Method for manufacturing a machining tool as claimed in any of the claims 1-7, by successively performing the following steps of: a) manufacturing a mother element of metal, in particular steel, b) arranging a part or parts of glass or a ceramic material at the location of the machining surface, and c) grinding one or more machining surfaces in the parts of glass or ceramic material.
9. Method for manufacturing a saw, in particular a circular saw as claimed in claim 3 or 4, by successively performing the following steps of: a) manufacturing a mother element of metal, in particular steel, b) arranging parts of glass along the periphery of the mother plate, and c) grinding teeth into the glass parts.
10. Method as claimed in claim 8 or 9, characterized in that the parts of glass are connected to the mother plate by means of glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU28090/95A AU2809095A (en) | 1994-07-08 | 1995-07-07 | Machining tool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9401139 | 1994-07-08 | ||
| NL9401139A NL9401139A (en) | 1994-07-08 | 1994-07-08 | Method of manufacturing a saw. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996001715A1 true WO1996001715A1 (en) | 1996-01-25 |
Family
ID=19864421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/NL1995/000240 WO1996001715A1 (en) | 1994-07-08 | 1995-07-07 | Machining tool |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2809095A (en) |
| NL (1) | NL9401139A (en) |
| WO (1) | WO1996001715A1 (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191319941A (en) * | 1912-09-03 | Steinitz Otto | Improvements in or relating to Tools for Measuring and Cutting. | |
| DE269723C (en) * | ||||
| US2633681A (en) * | 1951-10-08 | 1953-04-07 | Sam Sam Women | Cutting surface for wire |
| DE1964344A1 (en) * | 1969-12-23 | 1971-07-01 | Theresia Tullius | Cutting band with teeth tipped with hard dia - mond abrasive discs |
| CH597954A5 (en) * | 1976-04-12 | 1978-04-14 | Pierre Jeannet | Diamond tipped cutting tools mfr. |
| JPS59169712A (en) * | 1983-03-14 | 1984-09-25 | Matsushita Electric Works Ltd | Round saw |
| EP0120244A2 (en) * | 1983-03-01 | 1984-10-03 | WIKUS-Sägenfabrik Wilhelm H. Kullmann | Saw blade |
| DE3323409C1 (en) * | 1983-06-29 | 1985-03-28 | Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen | Saw blade |
| JPS6254617A (en) * | 1985-08-30 | 1987-03-10 | Nippon Kogu Seisakusho:Kk | Cermet solid end mill |
| EP0339439A2 (en) * | 1988-04-23 | 1989-11-02 | Mvz Maschinenbau Und Verzahnungstechnik, Johannes Falkenstein | Sawing tool |
| EP0442238A2 (en) * | 1990-01-19 | 1991-08-21 | Demurger SA | Composite rotative circular cutting tool |
| DE9313618U1 (en) * | 1993-09-09 | 1993-11-11 | Wilhelm Fette Gmbh, 21493 Schwarzenbek | Hob |
-
1994
- 1994-07-08 NL NL9401139A patent/NL9401139A/en active Search and Examination
-
1995
- 1995-07-07 AU AU28090/95A patent/AU2809095A/en not_active Abandoned
- 1995-07-07 WO PCT/NL1995/000240 patent/WO1996001715A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE269723C (en) * | ||||
| GB191319941A (en) * | 1912-09-03 | Steinitz Otto | Improvements in or relating to Tools for Measuring and Cutting. | |
| US2633681A (en) * | 1951-10-08 | 1953-04-07 | Sam Sam Women | Cutting surface for wire |
| DE1964344A1 (en) * | 1969-12-23 | 1971-07-01 | Theresia Tullius | Cutting band with teeth tipped with hard dia - mond abrasive discs |
| CH597954A5 (en) * | 1976-04-12 | 1978-04-14 | Pierre Jeannet | Diamond tipped cutting tools mfr. |
| EP0120244A2 (en) * | 1983-03-01 | 1984-10-03 | WIKUS-Sägenfabrik Wilhelm H. Kullmann | Saw blade |
| JPS59169712A (en) * | 1983-03-14 | 1984-09-25 | Matsushita Electric Works Ltd | Round saw |
| DE3323409C1 (en) * | 1983-06-29 | 1985-03-28 | Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen | Saw blade |
| JPS6254617A (en) * | 1985-08-30 | 1987-03-10 | Nippon Kogu Seisakusho:Kk | Cermet solid end mill |
| EP0339439A2 (en) * | 1988-04-23 | 1989-11-02 | Mvz Maschinenbau Und Verzahnungstechnik, Johannes Falkenstein | Sawing tool |
| EP0442238A2 (en) * | 1990-01-19 | 1991-08-21 | Demurger SA | Composite rotative circular cutting tool |
| DE9313618U1 (en) * | 1993-09-09 | 1993-11-11 | Wilhelm Fette Gmbh, 21493 Schwarzenbek | Hob |
Non-Patent Citations (2)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 009, no. 025 (M - 355) 2 February 1985 (1985-02-02) * |
| PATENT ABSTRACTS OF JAPAN vol. 011, no. 241 (M - 614) 7 August 1987 (1987-08-07) * |
Also Published As
| Publication number | Publication date |
|---|---|
| NL9401139A (en) | 1996-02-01 |
| AU2809095A (en) | 1996-02-09 |
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