EP0547012A2 - Plaquette composite pour outil de coupe - Google Patents
Plaquette composite pour outil de coupe Download PDFInfo
- Publication number
- EP0547012A2 EP0547012A2 EP92830664A EP92830664A EP0547012A2 EP 0547012 A2 EP0547012 A2 EP 0547012A2 EP 92830664 A EP92830664 A EP 92830664A EP 92830664 A EP92830664 A EP 92830664A EP 0547012 A2 EP0547012 A2 EP 0547012A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- insert
- cutting elements
- composite insert
- packet
- regards
- 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- Withdrawn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 abstract description 33
- 239000002131 composite material Substances 0.000 title claims abstract 15
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000008187 granular material Substances 0.000 claims description 21
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000001788 irregular Effects 0.000 claims 1
- 239000010432 diamond Substances 0.000 description 10
- 229910003460 diamond Inorganic materials 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000004575 stone Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 229910052580 B4C Inorganic materials 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 241000763859 Dyckia brevifolia Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- -1 for instance Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
-
- 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
-
- 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
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
- B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
Definitions
- the invention concerns the cut of fragile materials such as : glass, stone, concrete, etc., during technological operation as milling, turning, grinding, etc.
- the insert made of hard material and having homogeneous characteristics , for instance , small carbide plates have the following disadvantage :their available sharp edges wear out and for that reason the total insert cannot be used again. The only way is resharpening or trueing the cutting parts, but this is expensive and this is not always possible to do.
- the inserts are made of granules of material as hard as a diamond, boron carbide or silicium powder made of those granules is mixed with agglutinants materials and it is fixed on them as a general rule through a sintering process.
- the hard particles scratch or cut the material that has to be manufactured.
- the shavings produced during the workmanship are usually removed, from the work-place, using a cooling liquid.
- the stratification is an attempt to create an insert having non-isotropical characteristics along the tool movement axes and, at the same time to improve the characteristics for its use.
- the problem is that the insert is very goaded along the several axes.
- a tool insert used to remove shaving should have the following ideal qualities:
- USSR-1464349 is described a hard alloy insert and on its external surfaces is applied a hard covering made of carbide or titanium nitre, rhenium, molybdenum, hafnium or chrome, having thickness of 4 - 8 microns applied using the ionic evaporation method in absolute vacuum.
- This covering improves the insert resistance against the wear Nevertheless, because the coverings are applied on all the working sides of the insert, it cuts by the surface and not by the protruding edge,and for this reason , the cutting features of the thin coat are not used at the best.
- the thin coat acts only as a separator or as a barrier between the material to tooling and the body of the insert. It's to underline that, an insert covered only by a very hard film, on its own, is not very efficient in manufacturing the stones and above all,in manufacturing the fragile materials.
- This invention is directed to improve the tooling :by the shaving removal and the abrasion of glass, stone materials , etc., and at the same time to increase the production per hour; and lif of the tools, and to cut down of their cost.
- the active and passive elements are joined together inside a "packet", in a way that the edge of the hard surfaces of the covering can act as a working active element.
- the active and passive elements can be in several forms such as lamellae, wires, small pipes, disks, rolled up tape, granules.
- the insert they make, can work in two different directions: perpendicular and inclined to the surface to manufacture.
- the passive elements wear quickly and they uncover in a progressive way the edge of the hard and sharp coat covering the active elements.
- the superficial discontinuity between the active and the passive coats allows to get together and get rid of the shavings away from the cutting area.
- the extra-hard coat can be discontinuous in some of its applications onto the active elements, to increase the cutting efficiency.
- the elements can be made of the most suited material; it can be metallic or not metallic or baked clay, and the covering or the hard film can be obtained, depending on the different application and considering the cost, using the most suitable methods-(galvanic, ceramic , ionic absolute vacuum vaporization).
- the covering can have a single coat or can have multi-coats and assure three features: the increase of the transversal resistance; the starting of a self-sharpening process and the possibility of a low temperature fixing.
- the thickness or the diameter of the passive and active elements is fixed by the requested finishing degree.
- the material forming the active and passive elements is chosen on the ground of the features of the material to be-machined .
- a passive element having tender material is more suitable to work the marble.
- Figure 1 a shows the active lamellae 1 covered by a thin and extra-hard film 2 interposed with passive lamellae 3.
- Figure 1 b shows, for instance, the same insert, after short time of work on the upper surface.
- the active element 1 has had a light consumption on the upper edge band then it can support the extra-hard coat 2.
- the passive element 3 because of its less hardness is much more wear and tear, and it has had greater consumption , so then the upper edge of the extra-hard coat 2 is getting away towards the insert work direction. Just so, its consumption creates a vacuum caused by the shaving and the passing of the cooling liquid.
- Figure 2 shows an insert having lamellae as the insert seen in Figure 1 a, but in an inclinate position. In this case too there are active element 1, the covering 2 and the passive element.
- the lamellae angularity improves the shavings removal away from the cutting area.
- Figure 3 shows an insert composed of a whole of thin wires having a hardening covering and set together in a jacket 5.
- the active elements 4 can be made of hard material covered by an extra-hard film, the passive elements 6 can be made of more tender material and vice versa.
- the insert is composed of elements having very small pipes form 7 and extra-hard covering 8,active elements while the line of active elements are separated by very thin laminae 9 not covered, passive element.
- This insert having small pipes form, has the advantage to be better cooled by the liquid circulating inside it.
- Figure 5 shows a metallic tape 10 covered by an extra-hard material and then wrapped up to form an insert.
- Figure 6 shows an insert composed on laminae 12, covered by an extra-hard coat 13 and its surface present parallel undulations 14, as in evidence in Figure 6a , these undulations allow a good circulating of the cooling liquid.
- Figure 7 shows an insert composed by superimposed disks 15, having preferibly a central hole , some of them are covered by an extra-hard coat 16
- Figure 8 shows an insert including some not covered granules and Figure 8a shows an insert with some covered granules ; and both these cases are considered after having worked. Notice that in the drawing of Figure 8 the granules have become inefficient and they can be detached as shown by 1 a, while in Figure 1 a, while in the embodiment in Figure 8a, the granules have always the efficiency caused by the covering 2.
- the insert has to fixed on the tool support by brazing, sticking, etc., however in a known way.
- the insert having flat elements ( Figures: 1,2,6,7 )are suitable for tools in which the anisotropy is absolutely necessary ( saws, drillin crowns, cutters, etc.,).
- the inserts having wires form elements, small pipes form, wrapped tape form,granules form are more suitable for grinding or polishing flat surfaces and on which the cutting features not dipending on the movement trajectory of the insert are requested.
- the thin and extra-hard films alternate with supporting elements , remarkably increase the cutting ability, as it happens on a saw-blade.
- the insert is formed of flat lamellae, kept together by a bakalite glue.
- the passive elements are composed of brass lamellae having 0,5 mm thickness
- the elements are disposed in an orthogonal manner as regards the surface to manufacture.
- the insert has been tried on a machine used for milling and grooving into the stone(marble) the result was: the same production per hour, the same duration of the tool normally abtained having a diamond milling, but the tools cost was less.
- An insert for a grinding tool has been realized pressing a spring wrapped tape roll -see Figure 5- inside a pipe form container.
- the tape is in temperate carbon steel and it has 0,08 mm thickness and it is covered by a molybden nitre and diamond film.
- An insert (similar to the one in Example n.2 )has been realized,it has a discontinuous tipe covering and a 0,8 mm of pitch.
- the proof has been performed as the one in Example n2 the cutting productiveness has increased 1,5-2 times and the tool endurance has increased 1,2-1,5 times.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBS910136 | 1991-12-13 | ||
ITBS910136A IT1253064B (it) | 1991-12-13 | 1991-12-13 | Inserto composito per utensili da taglio |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0547012A2 true EP0547012A2 (fr) | 1993-06-16 |
EP0547012A3 EP0547012A3 (en) | 1993-09-22 |
Family
ID=11344729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920830664 Withdrawn EP0547012A3 (en) | 1991-12-13 | 1992-12-10 | Composite insert for cutting tools |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0547012A3 (fr) |
JP (1) | JPH05245704A (fr) |
IT (1) | IT1253064B (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999028088A1 (fr) * | 1997-12-04 | 1999-06-10 | Minnesota Mining And Manufacturing Company | Outils avec segments abrasifs |
US6479428B1 (en) | 1998-07-27 | 2002-11-12 | Battelle Memorial Institute | Long life hydrocarbon conversion catalyst and method of making |
US6680044B1 (en) | 1999-08-17 | 2004-01-20 | Battelle Memorial Institute | Method for gas phase reactant catalytic reactions |
CN103982139A (zh) * | 2014-05-19 | 2014-08-13 | 中国有色桂林矿产地质研究院有限公司 | 一种高胎体钻齿及其制备方法 |
CN109732278A (zh) * | 2018-12-26 | 2019-05-10 | 苏州瑞得恩自动化设备科技有限公司 | 一种高精度电子秤电机板的加工工艺 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1522593A (en) * | 1919-10-13 | 1925-01-13 | Rowland O Pickin | Rotary drilling tool |
US1792800A (en) * | 1930-03-15 | 1931-02-17 | Conrad F Birgbauer | Lapping device |
US3127715A (en) * | 1960-04-27 | 1964-04-07 | Christensen Diamond Prod Co | Diamond cutting devices |
US3972161A (en) * | 1968-07-01 | 1976-08-03 | Barnes Drill Co. | Solid abrading tool with fiber abrasive |
US4041650A (en) * | 1972-08-04 | 1977-08-16 | Ernst Winter & Sohn | Material removal tool with multiple cutting edges |
US4128136A (en) * | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
US4239502A (en) * | 1978-11-17 | 1980-12-16 | General Electric Company | Diamond and cubic boron nitride grinding wheels with improved silver alloy bonds |
US4452325A (en) * | 1982-09-27 | 1984-06-05 | Conoco Inc. | Composite structure for cutting tools |
JPS59156669A (ja) * | 1983-02-21 | 1984-09-05 | Sumitomo Electric Ind Ltd | ソ−ブレ−ド用セグメント |
WO1989001843A1 (fr) * | 1987-08-29 | 1989-03-09 | Peter Andrew Saville | Outil abrasif et son procede de fabrication |
US5096465A (en) * | 1989-12-13 | 1992-03-17 | Norton Company | Diamond metal composite cutter and method for making same |
EP0411831B1 (fr) * | 1989-08-04 | 1994-04-06 | Camco Drilling Group Limited | Elément de coupe pour trépan de forage avec surface de coupe multicouche |
-
1991
- 1991-12-13 IT ITBS910136A patent/IT1253064B/it active IP Right Grant
-
1992
- 1992-12-10 EP EP19920830664 patent/EP0547012A3/en not_active Withdrawn
- 1992-12-14 JP JP4333038A patent/JPH05245704A/ja active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1522593A (en) * | 1919-10-13 | 1925-01-13 | Rowland O Pickin | Rotary drilling tool |
US1792800A (en) * | 1930-03-15 | 1931-02-17 | Conrad F Birgbauer | Lapping device |
US3127715A (en) * | 1960-04-27 | 1964-04-07 | Christensen Diamond Prod Co | Diamond cutting devices |
US3972161A (en) * | 1968-07-01 | 1976-08-03 | Barnes Drill Co. | Solid abrading tool with fiber abrasive |
US4041650A (en) * | 1972-08-04 | 1977-08-16 | Ernst Winter & Sohn | Material removal tool with multiple cutting edges |
US4128136A (en) * | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
US4239502A (en) * | 1978-11-17 | 1980-12-16 | General Electric Company | Diamond and cubic boron nitride grinding wheels with improved silver alloy bonds |
US4452325A (en) * | 1982-09-27 | 1984-06-05 | Conoco Inc. | Composite structure for cutting tools |
JPS59156669A (ja) * | 1983-02-21 | 1984-09-05 | Sumitomo Electric Ind Ltd | ソ−ブレ−ド用セグメント |
WO1989001843A1 (fr) * | 1987-08-29 | 1989-03-09 | Peter Andrew Saville | Outil abrasif et son procede de fabrication |
EP0411831B1 (fr) * | 1989-08-04 | 1994-04-06 | Camco Drilling Group Limited | Elément de coupe pour trépan de forage avec surface de coupe multicouche |
US5096465A (en) * | 1989-12-13 | 1992-03-17 | Norton Company | Diamond metal composite cutter and method for making same |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 9, no. 7 (M-350)(1730) 12 January 1985 & JP-A-59 156 669 ( SUMITOMO DENKI KOGYO KK ) 5 September 1984 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999028088A1 (fr) * | 1997-12-04 | 1999-06-10 | Minnesota Mining And Manufacturing Company | Outils avec segments abrasifs |
US6196911B1 (en) | 1997-12-04 | 2001-03-06 | 3M Innovative Properties Company | Tools with abrasive segments |
KR100523304B1 (ko) * | 1997-12-04 | 2005-10-24 | 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 | 연마 세그먼트를 갖춘 공구 |
US6479428B1 (en) | 1998-07-27 | 2002-11-12 | Battelle Memorial Institute | Long life hydrocarbon conversion catalyst and method of making |
US6680044B1 (en) | 1999-08-17 | 2004-01-20 | Battelle Memorial Institute | Method for gas phase reactant catalytic reactions |
CN103982139A (zh) * | 2014-05-19 | 2014-08-13 | 中国有色桂林矿产地质研究院有限公司 | 一种高胎体钻齿及其制备方法 |
CN109732278A (zh) * | 2018-12-26 | 2019-05-10 | 苏州瑞得恩自动化设备科技有限公司 | 一种高精度电子秤电机板的加工工艺 |
Also Published As
Publication number | Publication date |
---|---|
EP0547012A3 (en) | 1993-09-22 |
IT1253064B (it) | 1995-07-10 |
ITBS910136A1 (it) | 1993-06-13 |
ITBS910136A0 (it) | 1991-12-13 |
JPH05245704A (ja) | 1993-09-24 |
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