WO1999029456A1 - Scie a cable comportant au moins deux brins de cable effectuant simultanement une coupe - Google Patents

Scie a cable comportant au moins deux brins de cable effectuant simultanement une coupe Download PDF

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Publication number
WO1999029456A1
WO1999029456A1 PCT/EP1998/008021 EP9808021W WO9929456A1 WO 1999029456 A1 WO1999029456 A1 WO 1999029456A1 EP 9808021 W EP9808021 W EP 9808021W WO 9929456 A1 WO9929456 A1 WO 9929456A1
Authority
WO
WIPO (PCT)
Prior art keywords
rope
cable
saw according
sawing
debris
Prior art date
Application number
PCT/EP1998/008021
Other languages
German (de)
English (en)
Inventor
Wolfgang Mayer
Original Assignee
Wolfgang Mayer
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 Wolfgang Mayer filed Critical Wolfgang Mayer
Publication of WO1999029456A1 publication Critical patent/WO1999029456A1/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
    • B23D57/0007—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 using saw wires
    • B23D57/0023—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 using saw wires with a plurality of saw wires or saw wires having plural cutting zones
    • 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

  • the invention relates to a wire saw for sawing stone blocks in slabs according to the preamble of claim 1.
  • the rope usually runs around two deflection rollers and a tensioning roller, the strand of rope running between the deflection rollers sawing the workpiece (see, for example, EP 0 543 138 B1, DE-U 90 01 537, US Pat. No. 2,866,448), or it two deflection rollers are provided, one of which forms the tensioning roller, the two rope strands being aligned with one another in the feed direction of the workpiece between the two deflection rollers, so that only the rope strand facing the workpiece saws (see, for example, DE 44 06 034 C2).
  • saw frames are known in which several saw cables with parallel cutting debris are each guided around two deflection rollers with tensioning rollers.
  • the sawing ropes are different due to various parameters, such as the uneven stone composition
  • the object of the invention is to provide a wire saw for sawing stone blocks, in which the saw wire is considerably more efficient and which moreover has a higher production speed.
  • the limited lifespan of a saw rope is primarily due to its fatigue due to the bending stress when it circulates around the pulleys.
  • the sawing wire of the wire saw according to the invention is also subject to this bending stress.
  • two wire debris are arranged side by side transversely to the relative stone block movement direction, sawing can be carried out with both wire debris simultaneously. This practically doubles the performance of the wire saw until the saw wire has to be replaced.
  • the production speed when sawing stone blocks is doubled compared to a conventional rope saw with only one sawing rope strand.
  • the stone block to be sawn can be mounted on a support fixed on the floor, while the wire saw can be moved.
  • the wire saw can be moved.
  • the stone block on a movable carriage and the wire saw to be stationary.
  • the direction of the relative movement between the wire saw and the stone block is therefore referred to as the relative workpiece movement direction.
  • the support frame of the wire saw is designed such that the stone blocks can be moved through the wire saw or the wire saw can be moved over the stone blocks.
  • a relative vertical movement between the wire saw and stone block can also be provided. This means that the stone block can be stationary, for example, and the wire saw can be moved downwards when sawing.
  • 1 and 2 are a front and side view of a first
  • Embodiment of the wire saw; 3 and 4 are a front view and a plan view of a second
  • FIGS. 5 and 6 show a side view of the embodiment according to FIGS. 3 and 4 in two different pivot positions of the deflection roller carriers;
  • Figure 8 is a partial view of Figure 3; 9 schematically shows a further embodiment of the wire saw in perspective reproduction; and
  • 10 and 11 schematically show a fourth embodiment of the wire saw with several parallel, simultaneously cutting rope runs in plan view and side view.
  • the first embodiment of the wire saw has a support frame 1 with two columns 2, 3.
  • the columns 2, 3 are arranged inclined, i.e. they run obliquely from top to bottom in the direction of feed of the stone blocks according to arrow 4.
  • the sloping columns 2, 3 are supported by supports 5. With their lower end region they are arranged in a pit 6.
  • a deflection roller 7, 8 is arranged above and below, over which a saw cable 9 runs endlessly.
  • the deflection rollers 7, 8 are mounted on plate-shaped supports 13, 14, which are laterally on the two columns 2,
  • the one, upper deflection roller 7 forms a tension roller.
  • it is slidably mounted on the carrier 13 and by a pneumatic cylinder 15 or the like. loaded into the cocked position.
  • the other, lower deflection roller 8, which is arranged in the pit 6, is driven by a motor 16.
  • the two axes of rotation 11, 12 of the deflection wheels 7, 8 run parallel to one another.
  • the two deflection wheels 7, 8 also have the same diameter.
  • the rope 9 has two parallel rope debris 17, 18 in the stone block feed direction
  • the cable guides 13, 14 are attached to each cable strand 17, 18 on the mutually facing sides of the cable guide heads 21 to 24.
  • Each cable guide head 21 to 24 has, as illustrated by the cable guide head 22 in FIG. 2, a plate-shaped cable guide carrier 25 on which a cable guide roller 26 absorbing the cutting pressure and a counter pressure roller 27 which is spring-loaded on the cable guide roller 26 are rotatably mounted.
  • the counter pressure roller 27 prevents the saw cable 9 from slipping on the cable guide roller 26, in particular when cutting the stone blocks.
  • Slides 28, 29 are provided for the supply of stone blocks.
  • a guideway 31, 32 for the slides 28, 29 is assigned to each sawing rope run 17, 18, the slides 28, 29 being moved on the guideways 31, 32 above the lower rope guide heads 23, 24.
  • narrow, high stone blocks 33, 34 can be sawn into panels.
  • the slides 28, 29 are provided with corresponding receptacles 35, 36, between which the stone blocks 33, 34 are arranged.
  • Each carriage 28, 29 is provided with a carriage 35, 36 on the left and right of the sawing strand 17 and 18 assigned to it and divided in the feed direction according to arrow 4 such that the respective strand 17, 18 when sawing through the carriage 28, 29 can step through.
  • the two sawing rope debris 17, 18 lie in a plane which runs transversely to the stone block feed direction 4, i.e. the rope debris 17, 18 are aligned with one another in the cross-sectional view shown in FIG. 2. They are thus offset transversely to the stone block movement direction 4, but not along the stone block movement direction 4.
  • the offset arrangement of the cable strands 17, 18 transversely to the feed direction 4 can thus be changed, that is to say their distance from the longitudinal center plane 39 of the cable saw.
  • FIGS. 3 to 6 differs from that according to FIGS. 1 and 2 primarily in that the two sawing rope strands 17, 18 run horizontally.
  • the support frame 1 is designed as a portal. This means that the two columns 2, 3 are connected to one another at the upper end by a cross strut 41.
  • a carriage 42, 43 is guided up and down on guides 44, 45 with an actuator (not shown).
  • a carrier 46, 47 is articulated on each carriage 42, 43 about a pivot axis 48 parallel to the rope axes of the two sawing rope debris 17, 18.
  • the deflection rollers 7, 8 are mounted rotatably about the axes of rotation 11, 12 on the supports 46, 47 designed as plates.
  • An actuator 50, 51 for example a hydraulic cylinder, which is articulated on the one hand on the carrier 46 and 47 and on the other hand on the carriage 42 and 43, is provided for adjusting the pivoting angle of the supports 46, 47 (cf. FIGS. 5 and 6). .
  • rope guide heads 21 to 24 are also provided at both ends of the sawing rope debris 17, 18.
  • the two cable guide supports 25 for the two cable debris 17, 18 are fastened on one or the other side of the support frame 1 to a common holder 53, 54, each holder 53, 54 being displaceable on one or the other with push rods 55, 56 Deflection roller carrier 46, 47 is mounted.
  • the push rods 55, 56 can e.g. can be moved back and forth in the direction of arrow 52 by a working cylinder or the like.
  • the cable guide heads 21 to 24 can be moved as close as possible to the stone block 57. An exact cut is thus possible by a slight deflection of the cutting rope debris 17, 18 in the stone block 57.
  • the cable guide heads 21 to 24 can be attached to the holders 53, 54 be rotatable about an axis of rotation parallel to the rope axes of the cutting debris 17, 18.
  • the cable guide heads 21 to 24 can either be rotated manually about these axes or automatically by a rotary drive, not shown.
  • the rotational position of the cable guide heads 21 to 24 can also be coupled by coupling with the movement of the carriers 46, 47 about the pivot axis 48.
  • the carrying frame 1 has a chassis 58, 59 on both sides.
  • the carriages 58, 59 can be moved on rails 61, 62.
  • the stone block 57 to be sawn is mounted on a support 63, for example made of squared timbers, in a stationary manner on the floor. Any number of workpieces can be arranged one after the other on the floor between the travel rails 61, 62 and can be cut one after the other without the cable saw coming to a standstill. A high production speed is thus achieved by the wire saw according to the invention.
  • the cable guide roller 26 can rotate with the cable 9 without slippage, it is provided on its running grooves (not visible in the drawing) with a coating which has a corresponding static friction, for example a plastic coating.
  • the cable guide rollers 26 are therefore subject to radial wear. That is, the cable debris 17, 18 move axially over time, as shown in FIG. 8 by the dashed line 17 ', towards the axis of rotation 64 of the cable guide roller 26.
  • the rope strand 17 ' is no longer aligned with the running groove 65 in the deflection roller 7. That is, the rope strand 17' can come out of the running groove 65 jump out, at least due to its offset position, damage the deflection roller 8 in the region of the raceway 65 by abrasion such that the deflection rollers 7, 8 become unusable.
  • an adjusting device is provided in the embodiment according to FIGS. 3 to 6 with which a common tangent of the running grooves of the cable guide rollers 26 and the running grooves 65 of the deflecting rollers 7, 8 is set as a function of the radial wear of the cable guide rollers 26.
  • the cable guide roller 26 is slidably mounted on the cable guide support 25 perpendicular to the cable run 17, as indicated by the arrow 66.
  • the adjustment can be done automatically.
  • an actuator (not shown) for moving the cable guide roller 26 in the direction of arrow 66 is provided, and also a spacer 67 on the cable guide support 25, which measures the distance to the cable run 17 without contact, that is to say, for example, inductively or capacitively. If the distance of the rope run 17 from the distance transmitter 67 deviates from a predetermined target value, the distance transmitter 67 controls a control device (not shown) which actuates the actuator such that the cable guide roller 26 restores the desired distance between the distance transmitter 67 and the rope run 17.
  • Such stone blocks 57 have a length of, for example, 4 m, a width of, for example, 1.5 m and a height of, for example, 1.80 m.
  • a wire saw for example according to EP 0 543 138 B1, with a horizontal sawing saw wire moving from top to bottom for sawing into panels.
  • the cutting rope strand thus has a relatively long length of e.g. more than 4 m. This results in a correspondingly large deflection of the cutting rope runs in the stone block when cutting. This deflection extends the cutting time by the so-called free cutting time, which is necessary so that the sheet remaining by the deflection at the end of the cutting process is cut through.
  • the strand of rope must be returned upwards after cutting the block through the cutting gap. Since the rope swings, it can damage the smooth cutting surface.
  • each wedge device 71 can have a magazine 72 with stacked wedges 73, furthermore a slide 74, which in each case lowermost wedge 73 of the stack when moving the support frame 1 in the direction of arrow 4 at a distance into the cutting gap 69, 70 in the stone block 57.
  • the keying devices 71 are fastened between the two cable guide heads 21, 22 and 23, 24 on the holding plates 53, 54, as can be seen from FIG. 4. 5 and 6, since two cutting gaps 69, 70 are formed simultaneously, two such wedge devices 71 must be provided on each side for inserting the wedges 73 into the two cutting gaps 69, 70.
  • the stone block 57 is preferably cut across its width. If it is to be cut along its length, a turntable 75 can be provided as illustrated in FIG. 4. With the turntable it is also possible to machine the stone block 57 on each side.
  • the plates cut from the stone block 57 with the wire saw according to FIGS. 3 to 6 have a horizontal position after cutting. In this position, they are usually stored and reworked, for example with a grinding machine.
  • the distance a between the cutting gaps 69, 70 and thus the thickness of the plates cut out from the stone block 57 can be determined by the angle at which the supports 46, 47 are pivoted about the pivot axis 48 .
  • the device according to FIGS. 4 to 6 can alternatively also be designed such that the supports 46, 47 are designed to be movable vertically up and down. As indicated in FIG. 4 by the block 57a shown in dashed lines, can then be used each cutting strand 17, 18 a plate from both blocks 57 and 57a are cut off simultaneously.
  • the saw cable 9 runs over three deflection rollers 80, 81, 82 and 83, 84, 85 on one or the other side of the stone block 33.
  • the two parallel rope debris 17, 18 which cut at the same time run over the lower ones , the block 33 facing deflection rollers 80, 81 and 83, 84 with mutually parallel axes of rotation 80 ', 81' and 83 ', 84'.
  • the deflection rollers 82 and 85 which can also be designed as tensioning rollers, are used the rope 9 is fed from the deflection pulleys 80, 83 or 81, 84 of the one rope run 17 or 18 to the deflection pulleys 81, 84 or 80, 83 of the other rope run 18 or 17.
  • the device according to FIG. 9 is lowered according to arrow 86 from above onto the stone block 33 in order to saw it.
  • the device according to FIGS. 10 and 11 is lowered onto the stone block 33.
  • the device according to FIGS. 10 and 11 has a total of five parallel, simultaneously cutting rope debris 87 to 91, which have deflection rollers 92, 95, 96, 99 and 100 on one and opposite deflection rollers 93, 94, 97, 98, 101 the other side of the stone block 33 are arranged.
  • the deflection rollers 92 to 101 also have parallel axes of rotation.
  • the rope is alternately on one or the other side of the stone block 33 to the deflection rollers by deflection rollers 103 to 106 facing away from the stone block 33 with axes of rotation perpendicular to the deflection rollers 92 to 101 92 to 101 redirected.
  • the cable 9 is returned from the roller 92 to one end of the cutting debris 87 to 91 arranged in a meandering shape.

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

Abstract

L'invention concerne une scie à câble utilisée pour scier des blocs de pierre (33, 34) en plaques. Cette scie comporte un châssis (1) pouvant se déplacer par rapport aux blocs de pierre, des poulies de déviation (7, 8) montées rotatives sur ledit châssis (1) et un câble de scie (9) se déplaçant en continu sur les poulies de déviation et présentant deux brins (17, 18) parallèles. Les deux brins de câble (17, 18) sont disposés l'un à côté de l'autre transversalement par rapport au sens de déplacement (4) relatif des blocs de pierre, pour qu'ils effectuent leur sciage simultanément.
PCT/EP1998/008021 1997-12-09 1998-12-09 Scie a cable comportant au moins deux brins de cable effectuant simultanement une coupe WO1999029456A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997154520 DE19754520A1 (de) 1997-12-09 1997-12-09 Seilsäge
DE19754520.3 1997-12-09

Publications (1)

Publication Number Publication Date
WO1999029456A1 true WO1999029456A1 (fr) 1999-06-17

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PCT/EP1998/008021 WO1999029456A1 (fr) 1997-12-09 1998-12-09 Scie a cable comportant au moins deux brins de cable effectuant simultanement une coupe

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WO (1) WO1999029456A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804051A1 (fr) * 2000-01-24 2001-07-27 Graniterie Des Ecorces Procede et dispositif de sciage horizontal d'un bloc de pierre a l'aide d'un fil de coupe unique
EP1120183A2 (fr) * 2000-01-24 2001-08-01 Graniterie des Ecorces (Société Anonyme de droit français) Cale destinée à être insérée dans une fente de coupe
CN106032757A (zh) * 2015-03-20 2016-10-19 赵兵 可变向盲切轮组
CN116174810A (zh) * 2023-03-27 2023-05-30 无锡协和精密模切件有限公司 高精度数控带锯机

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1305970B1 (it) * 1998-08-20 2001-05-21 Benetti Macchine S R L A Macchina ad almeno una cinghia diamantata per il taglio di pietre.
CN102413981A (zh) * 2009-05-04 2012-04-11 梅耶博格公司 线锯
ITUA20163079A1 (it) * 2016-05-02 2017-11-02 Prussiani Eng S R L Apparato a filo per la suddivisione in strisce di lastre di materiale lapideo tagliate sullo spessore
IT201800005036A1 (it) * 2018-05-03 2019-11-03 Macchina per tagliare blocchi e procedimento di taglio
IT202000010447A1 (it) * 2020-05-08 2021-11-08 Simec Spa Macchina utensile a filo abrasivo per taglio di lastre in materiale lapideo con sistema di regolazione dello spessore lastre

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1416355A (en) * 1920-11-29 1922-05-16 Johnson Eric Band-saw machine
DE486485C (de) * 1929-11-16 Otto Burkhardt Dipl Ing Mit mehreren parallelen schneidenden Truemern wirkende Gesteinsaege
FR1123947A (fr) * 1955-05-10 1956-10-01 Installation pour sciage de la pierre ou application similaire
FR1192089A (fr) * 1958-03-01 1959-10-23 Appareil à sciage vertical de la pierre et du granit, pouvant fonctionner comme débiteuse à disque diamanté
WO1986007560A1 (fr) * 1985-06-20 1986-12-31 Wolfgang Mayer Scie a pierre
JPH01235602A (ja) * 1988-03-17 1989-09-20 Yamana Seisakusho:Kk 石材切断装置
WO1992021494A2 (fr) * 1991-05-29 1992-12-10 Delta Engineering S.R.L. Machine servant a couper une plaque de marbre ou d'un materiau analogue selon un plan de coupe parallele au plan de la plaque
EP0543138A1 (fr) * 1991-11-19 1993-05-26 Wolfgang Mayer Scie à fil pour couper des pierres ou pièces similaires selon des contours
US5605141A (en) * 1994-03-31 1997-02-25 Bilotta; Alessandro Making non-vertical planar cuts in masonry slabs
JP2000345602A (ja) * 1999-06-08 2000-12-12 Toto Ltd 衛生器具取付フレーム

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE486485C (de) * 1929-11-16 Otto Burkhardt Dipl Ing Mit mehreren parallelen schneidenden Truemern wirkende Gesteinsaege
US1416355A (en) * 1920-11-29 1922-05-16 Johnson Eric Band-saw machine
FR1123947A (fr) * 1955-05-10 1956-10-01 Installation pour sciage de la pierre ou application similaire
FR1192089A (fr) * 1958-03-01 1959-10-23 Appareil à sciage vertical de la pierre et du granit, pouvant fonctionner comme débiteuse à disque diamanté
WO1986007560A1 (fr) * 1985-06-20 1986-12-31 Wolfgang Mayer Scie a pierre
JPH01235602A (ja) * 1988-03-17 1989-09-20 Yamana Seisakusho:Kk 石材切断装置
WO1992021494A2 (fr) * 1991-05-29 1992-12-10 Delta Engineering S.R.L. Machine servant a couper une plaque de marbre ou d'un materiau analogue selon un plan de coupe parallele au plan de la plaque
EP0543138A1 (fr) * 1991-11-19 1993-05-26 Wolfgang Mayer Scie à fil pour couper des pierres ou pièces similaires selon des contours
US5605141A (en) * 1994-03-31 1997-02-25 Bilotta; Alessandro Making non-vertical planar cuts in masonry slabs
JP2000345602A (ja) * 1999-06-08 2000-12-12 Toto Ltd 衛生器具取付フレーム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 565 (M - 907)<3913> 14 December 1989 (1989-12-14) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804051A1 (fr) * 2000-01-24 2001-07-27 Graniterie Des Ecorces Procede et dispositif de sciage horizontal d'un bloc de pierre a l'aide d'un fil de coupe unique
EP1120183A2 (fr) * 2000-01-24 2001-08-01 Graniterie des Ecorces (Société Anonyme de droit français) Cale destinée à être insérée dans une fente de coupe
EP1120183A3 (fr) * 2000-01-24 2004-03-10 Graniterie Petitjean SAS Cale destinée à être insérée dans une fente de coupe
CN106032757A (zh) * 2015-03-20 2016-10-19 赵兵 可变向盲切轮组
CN116174810A (zh) * 2023-03-27 2023-05-30 无锡协和精密模切件有限公司 高精度数控带锯机
CN116174810B (zh) * 2023-03-27 2023-10-13 无锡协和精密模切件有限公司 高精度数控带锯机

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Publication number Publication date
DE19754520A1 (de) 1999-06-10

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