EP3043962A1 - Cutting tool - Google Patents
Cutting toolInfo
- Publication number
- EP3043962A1 EP3043962A1 EP14781087.3A EP14781087A EP3043962A1 EP 3043962 A1 EP3043962 A1 EP 3043962A1 EP 14781087 A EP14781087 A EP 14781087A EP 3043962 A1 EP3043962 A1 EP 3043962A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- segments
- segment
- axial position
- discs
- 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.)
- Granted
Links
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 4
- 239000010432 diamond Substances 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 210000002414 leg Anatomy 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/12—Cut-off wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/12—Cut-off wheels
- B24D5/123—Cut-off wheels having different cutting segments
Definitions
- the invention relates to a cutting tool with a plurality of segment cutting discs.
- One segment gap remains between two cutting segments.
- the cutting segments are offset with respect to a central cutting plane. With such cut-off wheels can be placed on the actual wall thickness of the cutting disc quite wide cuts. If you use these blades for setting the cuts in the wall, so remains a smaller and thus easier to remove center bar. Although the cutting width of such cutting discs could be increased by widening the cutting segments again. However, such broadening is limited, since the risk of clogging the cutting edge with removed material increases with the width of the cutting edges.
- a cutting tool which comprises three segmented cutting discs, each with a master blade and distributed over the circumference of the master blade cutting segments.
- the cutting discs are arranged insoluble coaxial side by side.
- identical cutting discs are always used.
- Cutting discs around segment cutting discs At least some of the cutting segments protrude axially out of the central cutting plane. Between two circumferentially adjacent cutting segments of a cutting disc each leaves a segment gap.
- the cutting segments are radially on the outside of a support area, in particular made of sheet metal applied. At least one of the cutting segments, which is arranged in an axially first position, is enlarged relative to a second cutting segment, which is arranged in a second axial position. Under the cutting segment in particular the area of the cutting disc is understood, the radially outward on a
- Carrier area is attached and comprises a abrasive material.
- the at least one first cutting segment and the at least one second cutting segment are arranged at axially opposite outermost axial positions of the cutting tool.
- the axially outermost cutting segments on the one outermost axial side are reinforced with respect to the axially outermost cutting segments on the other outermost axial side.
- Cutting tool and the machine tool used can be found that an outermost axial position can be much heavier loaded than the other extreme axial position. This may be due to the handedness, that is, e.g. As a matter of principle, the right-hander should exert greater force on the machine on the right-hand side than on the left-hand side. Therefore, it can also be provided that the cutting tools are expressly designed for left-handers and expressly for right-handed people, then in each case different cutting segments are to be reinforced.
- the outer cutting discs have a greater thickness than the inner cutting discs.
- the outer segments are usually more stressed than the inner segments.
- the outer segments bring the outer cut into the solid masonry.
- the inner segments are intended to interpose the remaining central web to remove the outer cuts.
- only a small amount of labor is required when removing the center bar, since the stability of the central bar is already reduced by the lack of lateral support. Also for this it is sufficient that the segments of the outer cutting discs are only increased in their cross-sectional thickness.
- An enlarged trained segment can be designed trapezoidal.
- the bases of the trapezium are approximately radially aligned and approximately parallel to each other (the angular offset due to the different circumferential position is neglected).
- the arranged in the direction of rotation front side is longer than the rear side arranged base.
- the radially outer leg represents a circular arc section.
- the second leg then results from the connection of the radially inner ends of the bases. It has also been shown in this design of the segments that the reduced trained segments are, so to speak, in a kind of shadow of the enlarged formed segments. This results in a more favorable distribution of wear on the individual segments.
- Figure 1 shows an inventive cutting tool
- FIG. 1 shows a cutting tool 1 according to the invention. This comprises three cutting discs 2 ' , 2 ", 2"'.
- the cutting discs 2 'and 2'" are the axially outer
- Cutting tool in an alternative embodiment only two cutting discs, both cutting discs are the axially outer cutting discs: it is then no internal cutting discs provided.
- Cutting tools with more than three cutting discs comprise several internal cutting discs.
- the first outer cutting disc 2 ' has two different types of cutting segments, namely left cutting segments 4 L ' and right projecting cutting segments 4 R '. Both types of cutting segments protrude from the cutting plane, since a respective carrier region 8, to which the segments 4 are fastened, are bent over the master blade 5, which defines the central cutting plane E.
- the support area need not be bent out, but can also be held by other means at an angle to the cutting plane E 'on a common master sheet 5; however, it is essential that the cutting segments 4 'all protrude axially from the central cutting plane E'. This also applies to the other cutting discs.
- the left and right projecting cutting segments are arranged alternately in the circumferential direction.
- Cutting segment 4 R '" present on the third cutting disc axially outer cutting segments 4 A ' " of the cutting tool 1, which in addition to the
- the axially outer cutting segments 4 A 'and 4 A '" are the most heavily loaded cutting segments of the cutting tool 1. These are formed enlarged with respect to the other segments As can be seen in particular from Figure 1 b, these outermost cutting segments 4 A ', what equally even for the unrecognizable cutting segments 4 A "'applies, a trapezoidal shaped in side view shape. A in circulation direction U front-side base 6 of this trapezoid is longer than one in
- the inner segments 4 are designed substantially annular, with a constant radial dimension over the circumferential extent.
- the configuration of the inner segments 4 t “, 4" of the second and third cutting disks 2 ", 2 '” corresponds to the configuration of the inner segments 4 ", 4" of the first cutting disk 2'.
- the terms radial and parallel are to be interpreted broadly in connection with the trapezoidal design and are intended to indicate the coarse alignment. The terms can also include a slight curvature, so no exactly rectilinear training.
- Figure 2 shows an alternative embodiment, which largely corresponds to the embodiment of Figure 1. For the sake of simplicity, they are only cross sections of three segments per
- FIG. 2 basically corresponds to a section as indicated in FIG. 1 by the connecting line II-II. Notwithstanding the embodiment of Figure 1 not only left and right outstanding segments 4 L and 4 R are present, but also average cutting segments 4 ⁇ ', 4 M “, 4 M “' provided, which are not staggered to the respective middle Cutting plane E. Also such
- Cutting segments are referred to as internal cutting segment 4.
- Design of the middle cutting segments 4 M '. 4 M “, 4 M " is identical to the other internal cutting segments 4 already described.
- the measures that contribute to the reinforcement of the entire cutting tool therefore, require only an enlarged training on a fairly small number of segments and are therefore much cheaper to perform, than the overall reinforcement of all cutting discs or all segments of all cutting discs.
- a segment 4 A can also be formed reinforced relative to another segment 4, also in that the segments are thicker in their cross section. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Milling Processes (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013110009.0A DE102013110009B3 (en) | 2013-09-12 | 2013-09-12 | cutting tool |
PCT/EP2014/069127 WO2015036377A1 (en) | 2013-09-12 | 2014-09-09 | Cutting tool |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3043962A1 true EP3043962A1 (en) | 2016-07-20 |
EP3043962B1 EP3043962B1 (en) | 2017-05-03 |
Family
ID=51662057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14781087.3A Active EP3043962B1 (en) | 2013-09-12 | 2014-09-09 | Cutting tool |
Country Status (7)
Country | Link |
---|---|
US (1) | US9902043B2 (en) |
EP (1) | EP3043962B1 (en) |
JP (1) | JP6382987B2 (en) |
KR (1) | KR20160054551A (en) |
CN (1) | CN105636747B (en) |
DE (1) | DE102013110009B3 (en) |
WO (1) | WO2015036377A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106002657A (en) * | 2016-07-06 | 2016-10-12 | 苏州星球精密工具有限公司 | Diamond abrasion wheel for grinding |
US20180147745A1 (en) * | 2016-11-28 | 2018-05-31 | Diamond Products, Limited | Blade head, blade and method for eliminating spacers in multiple blade stacks |
CN108127578A (en) * | 2016-12-01 | 2018-06-08 | 侯家祥 | The dry floor grinding machine abrading block of a kind of cement floor, granite |
JP6990544B2 (en) * | 2017-09-13 | 2022-01-12 | 株式会社ディスコ | Grinding wheel and grinding equipment |
CN112166105B (en) | 2018-06-05 | 2022-03-04 | 沈阳化工大学 | Trifluoroethyl sulfide (sulfoxide) substituted benzene compound and application thereof |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8327628U1 (en) * | 1984-02-09 | Bickmeyer, Jochen, 3014 Laatzen | Bandsaw blade for stone processing | |
US2479079A (en) * | 1945-10-20 | 1949-08-16 | Norton Co | Diamond abrasive wheel |
US2475892A (en) * | 1947-05-27 | 1949-07-12 | Charles M Hasty | Rock or stone saw |
US2807256A (en) * | 1956-07-09 | 1957-09-24 | Raymond F Woolley | Machine spacers |
US3261383A (en) * | 1965-01-18 | 1966-07-19 | Mutual Ice Company | Ice cutting machine |
DE3504343A1 (en) * | 1985-02-08 | 1986-08-14 | Büdiam Diamantwerkzeuge W. und R. Büttner GmbH, 6345 Eschenburg | Saw blade |
SE448151B (en) * | 1985-06-05 | 1987-01-26 | Craelius Ab | CUTTING DEVICE WITH REPLACEABLE CUT SEGMENTS |
IL91283A0 (en) * | 1989-08-11 | 1990-03-19 | Gerard O Reilly | Grinding tool and spacer assembly for use therein |
JPH0731969Y2 (en) * | 1989-12-27 | 1995-07-26 | 旭ダイヤモンド工業株式会社 | Diamond saw blade |
JPH078132Y2 (en) * | 1990-03-08 | 1995-03-01 | 三京ダイヤモンド工業株式会社 | Diamond blade |
US5184597A (en) * | 1990-04-27 | 1993-02-09 | Edward Chiuminatta | Apparatus and method for cutting unhardened concrete |
US5313742A (en) * | 1991-01-11 | 1994-05-24 | Norton Company | Highly rigid composite shaped abrasive cutting wheel |
FR2688163B1 (en) * | 1992-03-03 | 1994-05-06 | Comadur Sa | MAINTAINING DEVICE FOR THE BLADES OF A SAW TRAIN AND SAW TRAIN USING SUCH A DEVICE. |
DE9204013U1 (en) * | 1992-03-25 | 1992-06-04 | Lissmac Maschinenbau Und Diamantwerkzeuge Gmbh, 7954 Bad Wurzach, De | |
DE4235277A1 (en) * | 1992-10-20 | 1994-04-21 | Blohm Maschinenbau Gmbh | Multi-disk grinding wheel and associated grinding process - involves wheel consisting of series of disks which have abrasive layer around periphery and which are bound together on axis with intervening spacers |
IT1299363B1 (en) * | 1998-03-06 | 2000-03-16 | Lupi Quintilio | SYSTEM WITH COMPONENT ELEMENTS FOR REMOVAL WORKING OF MATERIALS FOR MARBLE, STONE AND SIMILAR |
DE19810511B4 (en) * | 1998-03-11 | 2006-12-28 | Scintilla Ag | Tool with a plurality of cutting segments for working stone, masonry or concrete |
KR100285413B1 (en) * | 1998-09-03 | 2001-04-02 | 김세광 | Rim type diamond blade |
US20020123302A1 (en) * | 2001-03-05 | 2002-09-05 | S-B Power Tool Company | Cutting and grinding wheel for a rotary tool |
US6769423B1 (en) * | 2002-06-27 | 2004-08-03 | Charlie Zhang | Sandwich tuck pointing blade |
US7073496B2 (en) * | 2003-03-26 | 2006-07-11 | Saint-Gobain Abrasives, Inc. | High precision multi-grit slicing blade |
JP2007021710A (en) * | 2005-06-14 | 2007-02-01 | Mitsubishi Materials Corp | Blade |
DE102006012926A1 (en) * | 2006-03-21 | 2007-09-27 | Dr. Wilh. Müller Diamantmetall Inh. G. Müller KG | Tool for processing surfaces comprises an annular processing disk connected to a spindle and a fixing flange |
DE102008029619B4 (en) * | 2008-06-23 | 2011-03-24 | Wacker Neuson Se | Cut-off wheel for producing a wide cut |
DE102008060222A1 (en) * | 2008-12-04 | 2010-06-10 | Rhodius Schleifwerkzeuge Gmbh & Co. Kg | Limited diamond wheel |
CN102811841B (en) * | 2010-03-25 | 2017-04-05 | 罗德斯磨削工具两合公司 | Sectional type cutting wheel |
US8056549B1 (en) * | 2011-03-04 | 2011-11-15 | Husqvarna Construction Products North America Inc. | Concrete pavement texturing head |
DE202012002545U1 (en) * | 2012-03-14 | 2012-07-12 | Rhodius Schleifwerkzeuge Gmbh & Co. Kg | cutting tool |
-
2013
- 2013-09-12 DE DE102013110009.0A patent/DE102013110009B3/en not_active Expired - Fee Related
-
2014
- 2014-09-09 US US14/917,952 patent/US9902043B2/en active Active
- 2014-09-09 CN CN201480050067.4A patent/CN105636747B/en active Active
- 2014-09-09 JP JP2016541909A patent/JP6382987B2/en active Active
- 2014-09-09 WO PCT/EP2014/069127 patent/WO2015036377A1/en active Application Filing
- 2014-09-09 EP EP14781087.3A patent/EP3043962B1/en active Active
- 2014-09-09 KR KR1020167009179A patent/KR20160054551A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP3043962B1 (en) | 2017-05-03 |
JP2016530113A (en) | 2016-09-29 |
CN105636747B (en) | 2018-05-29 |
DE102013110009B3 (en) | 2015-02-05 |
WO2015036377A1 (en) | 2015-03-19 |
US20160221154A1 (en) | 2016-08-04 |
US9902043B2 (en) | 2018-02-27 |
JP6382987B2 (en) | 2018-08-29 |
CN105636747A (en) | 2016-06-01 |
KR20160054551A (en) | 2016-05-16 |
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