WO2012143958A1 - Machine pour coupe à fils multiples de matériaux en pierre - Google Patents

Machine pour coupe à fils multiples de matériaux en pierre Download PDF

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Publication number
WO2012143958A1
WO2012143958A1 PCT/IT2011/000124 IT2011000124W WO2012143958A1 WO 2012143958 A1 WO2012143958 A1 WO 2012143958A1 IT 2011000124 W IT2011000124 W IT 2011000124W WO 2012143958 A1 WO2012143958 A1 WO 2012143958A1
Authority
WO
WIPO (PCT)
Prior art keywords
supporting
arm
machine
cutting
supporting structure
Prior art date
Application number
PCT/IT2011/000124
Other languages
English (en)
Inventor
Elena PELEGRINI
Original Assignee
Pelmine S.R.L.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pelmine S.R.L. filed Critical Pelmine S.R.L.
Priority to PCT/IT2011/000124 priority Critical patent/WO2012143958A1/fr
Publication of WO2012143958A1 publication Critical patent/WO2012143958A1/fr

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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
    • B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/003—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts
    • B23D57/0053—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts of drives for saw wires; of wheel mountings; of wheels
    • 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
    • B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws

Definitions

  • This invention relates to a machine for multiple wire cutting of stone materials of the type comprising a plurality of cutting devices arranged side by side.
  • each cutting devices comprises a diamond-coated cutting wire extending along an annular extension trajectory and looped around driving means and around at least one return pulley.
  • the driving means comprise a single drum for all of the cutting devices.
  • each cutting device may comprise either a single return pulley or a plurality of them (usually no more than three or four).
  • the cutting devices are arranged side by side starting from a front first device as far as a rear last device, between which one or more intermediate devices are positioned.
  • the various devices are substantially all identical (as, for example, in the case of patents EP 1 024 314, WO 2007/036784, EP 1 131 179, ES 2 188 362 and WO 2009098721 ) so that each return pulley is substantially axially aligned with all of the corresponding pulleys of the other devices (with the exception of any deviations due to tensioning systems).
  • the technical purpose which forms the basis of this invention is to provide a machine for multiple wire cutting of stone materials which overcomes the above-mentioned disadvantages.
  • the technical purpose of this invention is to provide a machine for multiple wire cutting of stone materials which allows the simplification of maintenance work on the return pulleys.
  • FIG. 1 is a front view of a first embodiment of a machine according to this invention, with all of the pulleys in the operating configuration;
  • Figure 2 illustrates the machine of Figure 1 , also showing some pulleys in a maintenance configuration
  • FIG. 3 is a view of a detail of the machine of Figure 2, in two different positions.
  • FIG. 4 is a rear view of a further detail of the machine of Figure 2, in two different positions;
  • FIG. 5 is a bottom view of the detail from Figure 3 in the position represented with a continuous line;
  • FIGS. 6 and 7 are schematic views of the extension of two adjacent cutting devices of the machine of Figure 1 ;
  • FIG. 8 is a three-quarter axonometric view of a detail of the machine of Figure 1 , with some parts cut away to better illustrate others;
  • FIG. 9 is a partial schematic front view of an alternative embodiment of the machine of Figure 1 ;
  • FIG. 10 is a partial schematic front view of a second alternative embodiment of the machine according to this invention, transparent to better illustrate the various parts;
  • FIG. 11 is a partial schematic front view of a third alternative embodiment of the machine according to this invention, transparent to better illustrate the various parts;
  • FIG. 12 is a partial schematic front view of a fourth alternative embodiment of the machine according to this invention.
  • Figure 13 shows the part of the machine of Figure 12 according to the line XIII - XIII;
  • FIG. 14 is a rear view, partly in cross-section, of a detail of the machine of Figure 1 ;
  • FIG. 15 is a front view, partly in cross-section, of a further detail of the machine of Figure 1.
  • the numeral 1 denotes in its entirety a machine for multiple wire cutting of stone materials according to this invention.
  • a first embodiment of the machine 1 is represented in its entirety in Figures 1 and 2, where Figure 1 shows the machine 1 in the operating configuration, while Figure 2 also shows, with dashed lines, two possible maintenance configurations of the machine 1.
  • the machine 1 for multiple wire cutting of stone material comprises first a main frame 2 which, in the embodiment illustrated, is gantry-shaped. Mounted on the main frame 2 there is at least one supporting structure 3 on which there is mounted a plurality of cutting devices 4 arranged parallel with each other in planes which lie substantially vertically.
  • the supporting structure 3 is divided into two separate sections, one (not visible but of the known type) intended to support the cutting devices 4 at a first side 5 of the machine 1 (the left side in Figure 1 ), and one intended to support the cutting devices 4 at a second side 6 of the machine 1 opposite to the first side relative to the actual cutting zone (the right side in Figure 1 ).
  • the two sections are, however, able to move jointly, as is described in more detail below.
  • said two sections of the supporting structure 3 may also be rigidly connected to each other to form a single supporting structure 3.
  • the machine 1 also comprises supporting means 7 for supporting at least one block 8 of stone material to be cut. These supporting means may be positioned under the cutting devices 4.
  • the supporting means 7 comprise a carriage 9 which can be brought under the cutting devices 4 by means of a track 10 fixed to the ground.
  • the carriage is equipped with a plurality of vertical slab holder rods 11 (of the known type and therefore not described in detail).
  • spacer elements 12 are normally interposed between them to prevent the cutting wires from touching the carriage 9 at the end of cutting.
  • the supporting structure 3 can also move vertically along the gantry between an upper home position, in which it allows insertion of a block 8 under the cutting devices 4, and a lower end of cutting position.
  • Figure 1 shows an intermediate position in which the cutting has just been started.
  • the machine 1 comprises means for creating a relative movement in a substantially vertical direction, between the supporting means 7 and the supporting structure 3 with the cutting devices 4 mounted on it.
  • the supporting structure 3 may even be held still and the supporting means 7 moved upwards.
  • both such solutions are of the known type, they are not described in detail herein.
  • the supporting structure 3 comprises at least one portion 13 for connection to the main frame 2 and one supporting portion 14 able to move by sliding relative to the connecting portion 13 in a substantially horizontal direction, parallel with the planes in which the cutting devices 4 lie.
  • the machine 1 also comprises rough tensioning means 15 which act simultaneously on all of the cutting wires to substantially tension them before the start of cutting.
  • Said rough tensioning means 15 comprise at least one actuator 16 mounted between the connecting portion 13 and the supporting portion 14 for pushing the latter towards the outside of the machine 1 .
  • the actuator 16 is of the electric type.
  • each comprises first a cutting wire 17 extending along an annular extension trajectory.
  • the cutting wire 17 is looped around at least driving means 18 and around at least one return pulley 19, 20.
  • the driving means 18 for the cutting wire 17 are mounted at a first side 5 of the device and are designed to make the cutting wire 17 run substantially along its own extension trajectory.
  • at the second side 6 of the device there is at least one return pulley 19, 20.
  • each cutting device 4 comprises an upper return pulley 19 positioned higher up and a lower return pulley 20 positioned lower down.
  • the driving means 18 may have any form, according to requirements. However, in the embodiment illustrated they comprise a single drum for all of the cutting devices 4.
  • the cutting devices 4 there is a front cutting device 4, a rear cutting device 4, and a plurality of intermediate cutting devices 4 (for example, two in Figure 8, and twelve in Figure 3).
  • the supporting structure 3 in general comprises one or more first supportirig arms 21 on each of which a first return pulley
  • each cutting device 4 also comprises a second return pulley 20, advantageously the supporting structure 3 also comprises one or more second supporting arms 22 on each of which the second return pulley 20 of at least one cutting device 4 is mounted.
  • the machine 1 comprises a plurality of upper first arms 21 and a plurality of lower second arms 22.
  • the supporting structure 3 may comprise further similar supporting arms.
  • each supporting arm 21 , 22 mounted on each supporting arm 21 , 22 there are at least two return pulleys 19, 20 of two cutting devices 4 which are separate and side by side, advantageously positioned in such a way that each pulley can be mounted on the arm 21 , 22 or removed from it independently of the other pulley.
  • each supporting arm 21 , 22 (first, second or other) can be at least selectively moved relative to the rest of the supporting structure 3 between an operating position and a maintenance position.
  • each return pulley 19, 20 mounted on it is at least mainly facing other parts of the machine 1 which prevent it from being mounted and/or removed. In the embodiment illustrated, at least for all of the intermediate cutting devices 4 this is due to the presence of the corresponding return pulleys 19, 20 of the other cutting devices 4.
  • each return pulley 19, 20 mounted on it is at least mainly not directly facing other parts of the machine 1 . In this way, an operator can have free access to it, for removing it from and/or mounting it on the arm 21 , 22.
  • FIG 2 in the embodiment illustrated, when the arm 21 , 22 is in the maintenance position, although each pulley 19, 20 mounted on it, in front view partly overlaps with other pulleys 19, 20, access to it should be considered substantially free, since there is completely free access to the respective central hub which is used to fix the pulley 19, 20 to the supporting arm 21 , 22.
  • each arm 21 , 22 may be achieved in various ways. However, in the preferred embodiments, between each arm 21 , 22 and the rest of the supporting structure 3 there is a rotary and/or sliding connection which can be at least selectively activated (the concept of selective activation is covered in more detail below). In this way, each arm 21 , 22 can be moved between the operating position and the maintenance position by a rotation and/or a sliding movement relative to the rest of the supporting structure 3.
  • each arm 21 , 22 pivots at the rest of the supporting structure 3.
  • the structure of that connection is highlighted in Figures 3, 14 and 4, 15 with reference respectively to the case of a lower arm 22 and of an upper arm 21 : ' ⁇ .
  • each lower arm 22 is connected to the rest of the supporting structure 3 at a first vertical lateral face 23 of a lower connecting flange 24 which, seen from the front, has the shape of a right- angled triangle.
  • a first cathetus of the triangle which corresponds to the first face 23, is positioned vertically and is facing towards the lower arm 22, whilst the other cathetus is positioned horizontally, and is facing upwards and is fixed to the rest of the supporting structure 3 by screws 25 or bolts ( Figure 14).
  • the lower arm 22 comprises a substantially flat second face 26 which in the operating condition is directly coupled with the flat first face 23 of the connecting flange 24 positioned at the vertical cathetus.
  • the rotary connection is obtained by means of a lower pivot 27 connected to a lower edge of the first face 23 and of the second face 26.
  • the structure is substantially similar for the upper arm 21 ( Figures 4 and 15), the only difference being that the both the upper connecting flange 28 and the upper arm 21 are specular relative to the lower ones (relative to an intermediate horizontal plane between the two). Consequently, seen from the front, the upper connecting flange 28 has the shape of a right-angled triangle whose cathetus fixed to the rest of the supporting structure 3 is positioned horizontally and is facing downwards, while the other cathetus is positioned vertically and is facing outwards.
  • the upper arm 21 again comprises a substantially flat second face 29 which in the operating condition is directly coupled with the flat first face 30 of the connecting flange 28 positioned at the vertical cathetus.
  • the rotary connection is obtained by means of an upper pivot 31 connected to an upper edge of the first face 30 and of the second face 29.
  • each arm 21 , 22 and the rest of the supporting structure 3 may be created in such a way that it can be ' only selectively activated.
  • the machine 1 also comprises fixing means 32 which can be selectively activated for fixing the supporting arm 21 , 22 to the rest of the supporting structure 3, preventing it from moving, and which can be deactivated to allow movement of the supporting arm 21 , 22 between the operating position and the maintenance position.
  • the fixing means 32 comprise one or more fixing screws 33 or bolts fixed to each supporting arm 21 , 22 and to the corresponding connecting flange 24, 28.
  • the movement of each arm 21 , 22 from the operating position to the maintenance position may be performed only after deactivating the selective fixing means 32 (for example, by removing the screws 33 or the bolts).
  • the machine 1 also comprises movement means 34 mounted or mountable between each supporting arm 21 , 22 and the rest of the supporting structure 3 for causing the movement of the supporting arm 21 , 22 between the operating position and the maintenance position.
  • the movement means 34 are connected between each supporting arm 21 , 22 and the respective connecting flange 24, 28.
  • the movement means 34 may be mounted or mountable between the arm 21 , 22 and the rest of the supporting structure 3. Depending on the embodiments, the movement means 34 may be always connected between said parts or may be of the removable type, so that they can be mounted in position only at the moment when maintenance must be carried out.
  • the embodiments illustrated in Figures 1 to 9 and 12 and 13 relate to this latter case, whilst in the embodiments of Figures 10 and 11 the movement means 34 are always mounted.
  • the removable movement means 34 are completely illustrated in Figures 2, 3, 4 and 5, only partially in Figure 1 and in contrast they are not illustrated in the other figures which show the case in which the movement means 34 are not mounted.
  • the movement means 34 advantageously comprise at least one actuator 35 mounted or mountable between the supporting arm 21 , 22 and the rest of the supporting structure 3, and in particular between a projection 36 of the arm 21 , 22 positioned close to the respective pivot (above the upper pivot 31 in one case and below the lower pivot 27 in the other) and a projection of the furthest edge of the connecting flange 24, 28 (the one opposite the second face 26, 29).
  • the actuator 35 may be of the hydraulic, pneumatic or electric type.
  • the movement means 34 comprise a double acting hydraulic actuator 35, which can be activated by means of a manually-activated diverter valve 37.
  • the passage to the maintenance position is achieved by feeding an operating fluid in such a way as to cause a contraction of the actuator 35, while the reverse passage is achieved by feeding the operating fluid for extending the actuator 35.
  • Figures 3 and 4 also clearly show fixing knobs 38 used for coupling and uncoupling the actuators 35 to/from the arm 21 , 22 and to/from the connecting flange 24, 28.
  • a device comprising a cable/chain 39 which is wound on, and unwound from, a suitable reel 40 (directly in the case of the upper arm 21 , and by means of a return roller 41 in the case of the lower arm 22) and which is fixed, at one end, to the arm 21 , 22.
  • a suitable reel 40 directly in the case of the upper arm 21 , and by means of a return roller 41 in the case of the lower arm 22
  • the passage from the operating position to the maintenance position is achieved by winding the cable/chain 39 relative to the upper arm 21 and unwinding it relative to the lower arm 22.
  • the supporting arms 21 , 22 can have any shape and may support one or more pulleys 19, 20, in the embodiments illustrated the same structure is always used which allows simultaneous support for two return pulleys 19, 20, one of which is a fixed pulley 19, 20 for one cutting device 4, the other a tensioning pulley 19, 20 for a different cutting device 4.
  • each arm 21 , 22 comprises a first, inner part 42 with which one of the two pulleys 19, 20 mounted on it is associated (which forms the fixed pulley 19, 20 of one device), and a second, outer part 43 with which the other of the pulleys 19, 20 mounted on it is associated (the tensioning pulley).
  • the second, outer part 43 can move relative to the first part 42, for moving the respective pulley 19, 20 in such a way as to vary the tensioning of the cutting wire 17 looped around it (thus varying the length of the annular path).
  • the lower pulley 20 of the same cutting device 4 is of necessity mounted on the second part 43 or respectively on the first part 42 of a lower arm 22.
  • the upper pulleys 19 of two adjacent cutting devices 4 are mounted on the same upper arm 21 , then the lower pulleys 20 of those cutting devices 4 are mounted on a single lower arm 22 in accordance with the methods indicated above.
  • the supporting arms 21 " , 22 have a direction of extension whose main component is substantially horizontal, meaning that the projections of the corresponding return pulleys 19, 20 (upper or lower) of two adjacent cutting devices 4 in a plane in which a cutting device 4 lies are offset relative to each other.
  • the pulleys 19, 20 are advantageously offset by a distance greater than their radius in such a way that the central hub of each pulley 19, 20 is not opposite the pulley 19, 20 of the immediately adjacent cutting device 4.
  • each pulley 19, 20 mounted on a first part 42 is mounted cantilever-style, and each second part 43 is instead fork-shaped and supports the respective return pulley 19, 20 on both sides.
  • first part 42 may have a relatively large thickness, which allows cantilever- style support without problems
  • second part 43 must have a relatively limited thickness, which makes support on both sides preferable to avoid deformations.
  • the shifting means 44 comprise at least one hydraulic, pneumatic or electric actuator 45, but preferably a hydraulic actuator 45.
  • Each second part 43 forms, with the relative shifting means 44, the precision tensioning means of the respective cutting device 4.
  • Figure 12 which shows only a lower arm 22, illustrates in detail the movement of the second part 43 relative to the first part 42. Indeed, the drawing with a continuous line shows an intermediate position of the second part 43, while the two drawings with dashed lines show the two limit positions which the second part 43 and the respective lower pulley 20 can adopt and which correspond to minimum tensioning (the upper one) and maximum tensioning (the lower one).
  • each upper arm 21 in fact pivots at the. first part 42 according to a further axis of rotation perpendicular to the plane in which the cutting device 4 lies, by means of a pivot 49 located at an upper portion 50 of its side facing towards the first part 42.
  • the shifting means 44 in this case cause an increase in tensioning by making the second part 43 rotate upwards.
  • the respective actuator 45 is positioned at the lower portion 51 both of the first part 42 and of the second part 43.
  • each second part 43 can move by sliding.
  • each second part 43 is slidably mounted on two horizontal guide bars 52 extending cantilever-style from the respective first part 42. Again in this case the shifting is achieved by means of an actuator 45.
  • the shifting of the second parts 43 can be continuously monitored depending on system operation, for example using a control system such as that described in patent EP 1951464 whose content is incorporated herein by reference.
  • a position detector sensor 53 is coupled to the shifting means 44.
  • FIG. 12 and 13 show an alternative embodiment in which the cutting thickness can be changed with greater freedom (but still by removing several of the cutting wires to obtain slabs which all have the same thickness)
  • the supporting portion 14 is equipped with one or more supporting shafts 54 (two in the accompanying drawings) which extend perpendicularly to the planes in which the cutting devices 4 lie.
  • the upper arms 21 and the lower arms 22 are in turn slidably mounted on the supporting shafts 54 by means of connecting plates 55.
  • the positioning means are simple spacers (not illustrated).
  • the connecting plates 55 are joined in pairs, constraining to each other the upper arm 21 and the lower arm 22 which support the same cutting devices 4.
  • the machine 1 may comprise further elements such as guide rollers 56 for the cutting wire 17 (in themselves of the known type).
  • guide rollers may be fixed both to the supporting portion 14 ( Figure 1 ) and to the connecting portion 13 ( Figure 9). Operation of the machine 1 derives immediately from the description of the structure above.
  • This invention brings important advantages.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

La présente invention a trait à une machine pour coupe à fils multiples de matériaux en pierre, laquelle machine comprend une pluralité de dispositifs de coupe (4) qui sont montés sur une structure de support (3), les dispositifs étant agencés en parallèle et amenés à proximité les uns des autres, chaque dispositif comprenant à son tour un fer coupant (17) qui s'étend le long d'une trajectoire d'extension annulaire autour d'un moyen d'entraînement (18) et autour au moins d'une poulie de renvoi (19). La structure de support (3) comprend un ou plusieurs bras de support (21) sur chacun desquels est montée la poulie de renvoi (19) d'au moins un dispositif de coupe (4). Chaque premier bras de support (21) peut également être au moins déplacé de façon sélective par rapport au reste de la structure de support (3) entre une position de fonctionnement, permettant à la poulie de renvoi (19), (20) qui est montée sur celui-ci d'être au moins principalement face à d'autres pièces de la machine (1) ce qui lui permet d'être montée et/ou retirée, et une position de maintenance, permettant à la poulie de renvoi (19), (20) qui est montée sur celui-ci d'être au moins principalement non directement face à d'autres pièces de la machine (1), ce qui permet de la sorte à un opérateur d'y accéder librement afin de la retirer du bras (21), (22) et/ou de la monter sur ce dernier.
PCT/IT2011/000124 2011-04-19 2011-04-19 Machine pour coupe à fils multiples de matériaux en pierre WO2012143958A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/IT2011/000124 WO2012143958A1 (fr) 2011-04-19 2011-04-19 Machine pour coupe à fils multiples de matériaux en pierre

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Application Number Priority Date Filing Date Title
PCT/IT2011/000124 WO2012143958A1 (fr) 2011-04-19 2011-04-19 Machine pour coupe à fils multiples de matériaux en pierre

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20120302A1 (it) * 2012-11-09 2014-05-10 Simec Spa Macchina multifilo per il taglio di blocchi in materiale lapideo
CN106926368A (zh) * 2017-01-24 2017-07-07 长沙通石达机械制造有限公司 板材切割设备
US20180311864A1 (en) * 2017-04-28 2018-11-01 Auo Crystal Corporation Wire supplying and receiving device for a wire saw, ingot slicing wire saw including the same, and method of slicing ingot

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1024314A1 (fr) 1999-01-28 2000-08-02 Pellegrini Meccanica S.p.a. Dispositif de serrage des éléments flexibles enroulés sur des poulies
EP1131179A1 (fr) 1998-07-21 2001-09-12 Micheletti Macchine S.R.L. Scie a fil pour decouper des blocs de pierre en dalles, avec reglage de la tension de plusieurs scies a fil
ES2188362A1 (es) 2000-04-19 2003-06-16 Bideseimpianti S R L Maquina para el corte multiple con hilo de placas de material rocoso.
WO2007036784A1 (fr) 2005-09-27 2007-04-05 Co.Fi.Plast S.R.L. Machine à scier multifil pour découpage de matière en bloc
EP1951464A1 (fr) 2005-11-29 2008-08-06 Pellegrini Meccanica S.p.a. Machine a fils multiples pour couper des materiaux en pierre
WO2009040841A1 (fr) 2007-09-28 2009-04-02 Luigi Pedrini Machine de découpe de blocs de pierre naturelle et similaires en tranches à l'aide de fils de diamant
WO2009098721A1 (fr) 2008-02-05 2009-08-13 Pelmine S.R.L Machine pour couper au fil un matériau de pierre

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1131179A1 (fr) 1998-07-21 2001-09-12 Micheletti Macchine S.R.L. Scie a fil pour decouper des blocs de pierre en dalles, avec reglage de la tension de plusieurs scies a fil
EP1024314A1 (fr) 1999-01-28 2000-08-02 Pellegrini Meccanica S.p.a. Dispositif de serrage des éléments flexibles enroulés sur des poulies
ES2188362A1 (es) 2000-04-19 2003-06-16 Bideseimpianti S R L Maquina para el corte multiple con hilo de placas de material rocoso.
WO2007036784A1 (fr) 2005-09-27 2007-04-05 Co.Fi.Plast S.R.L. Machine à scier multifil pour découpage de matière en bloc
EP1951464A1 (fr) 2005-11-29 2008-08-06 Pellegrini Meccanica S.p.a. Machine a fils multiples pour couper des materiaux en pierre
WO2009040841A1 (fr) 2007-09-28 2009-04-02 Luigi Pedrini Machine de découpe de blocs de pierre naturelle et similaires en tranches à l'aide de fils de diamant
WO2009098721A1 (fr) 2008-02-05 2009-08-13 Pelmine S.R.L Machine pour couper au fil un matériau de pierre

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20120302A1 (it) * 2012-11-09 2014-05-10 Simec Spa Macchina multifilo per il taglio di blocchi in materiale lapideo
CN106926368A (zh) * 2017-01-24 2017-07-07 长沙通石达机械制造有限公司 板材切割设备
US20180311864A1 (en) * 2017-04-28 2018-11-01 Auo Crystal Corporation Wire supplying and receiving device for a wire saw, ingot slicing wire saw including the same, and method of slicing ingot
EP3398704A1 (fr) * 2017-04-28 2018-11-07 AUO Crystal Corporation Dispositif d'alimentation et de réception de fil destiné à une scie à fil, scie à fil de découpe de lingot le comprenant et procédé de découpe de lingot
CN108789893A (zh) * 2017-04-28 2018-11-13 友达晶材股份有限公司 晶圆切片机及其收放线装置与晶圆切片的方法
JP2018190974A (ja) * 2017-04-28 2018-11-29 友達晶材股▲ふん▼有限公司ＡＵＯ Ｃｒｙｓｔａｌ Ｃｏｒｐｏｒａｔｉｏｎ リール装置、ワイヤーソー、及び半導体インゴットの切断方法
TWI713832B (zh) * 2017-04-28 2020-12-21 友達晶材股份有限公司 晶圓切片機及其收放線裝置與晶圓切片的方法

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