EP2720840A1 - Câble de scie destiné à être employé dans une scie à câble - Google Patents

Câble de scie destiné à être employé dans une scie à câble

Info

Publication number
EP2720840A1
EP2720840A1 EP12723074.6A EP12723074A EP2720840A1 EP 2720840 A1 EP2720840 A1 EP 2720840A1 EP 12723074 A EP12723074 A EP 12723074A EP 2720840 A1 EP2720840 A1 EP 2720840A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
press
wire
cutting
sawing
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
Application number
EP12723074.6A
Other languages
German (de)
English (en)
Other versions
EP2720840B1 (fr
Inventor
Silvia Kremshofer
Franz Egger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tyrolit-Schleifmittelwerke Swarovski KG
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski KG
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 Tyrolit-Schleifmittelwerke Swarovski KG filed Critical Tyrolit-Schleifmittelwerke Swarovski KG
Publication of EP2720840A1 publication Critical patent/EP2720840A1/fr
Application granted granted Critical
Publication of EP2720840B1 publication Critical patent/EP2720840B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
    • 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
    • B28D1/124—Saw chains; rod-like saw blades; saw cables
    • 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 sawing wire for use in a wire sawing machine, comprising a wire rope and cutting beads arranged thereon, the ends of the wire rope being connected together by a sleeve-like press fastener.
  • the saw ropes which are of importance in connection with the present invention, are used in particular in wire sawing machines for natural stone processing.
  • the saw ropes consist essentially of a wire rope, which is composed of a plurality of interwoven individual wires and on which at certain intervals cutting beads are arranged.
  • the cutting coating of these cutting beads typically includes a high performance cutting material, such as a high performance cutting material.
  • Diamond a high performance cutting material
  • the sawing cables are used in the wire sawing machines in the form of endlessly circulating cable loops, i. that the ends of the wire rope must be connected together.
  • closure techniques are available, of which the use of sleeve-like press fasteners has proven to be particularly cost-effective.
  • press fasteners are known in the art and are e.g. from the European patent application EP 0 450 506 A2. It is usually a cylinder tube made of steel or copper, which is pressed with the two ends of the rope. These press fasteners are usually used on saw ropes with a bead diameter between 8 mm and 11 mm. The life of the shutter is about 100 hours. After that he will be exchanged. The cycle of exchange is a fraction of the total life of the saw ropes. The reason for the premature replacement is the occurrence of wire breaks immediately in front of or behind the press fastener. With an increasing number of these individual wire breaks, it then comes to the breakage of the entire wire rope at one of the two places. This violent breakage can be explained, in particular, by the occurrence of notch stresses in the transition between fastener and wire rope.
  • These sawing wires are in particular Multiwire saws, for example, allow a granite block of up to 60 sawing wires to be cut simultaneously, offering high output and flexibility in producing different panel thicknesses - a reduction
  • the diameter of the cutting beads is therefore desirable because it could reduce the required cutting power and at the same time the cutting losses.
  • the object of the present invention is to provide a comparison with the prior art improved sleeve-like press fastener for sawing cables, with which the disadvantages described above are avoided.
  • an increased life of the closure is to be achieved, which subsequently leads to a significant time and cost savings.
  • the sleeve-like press closure has an area of reduced rigidity at least one end.
  • stiffness is generally understood to mean the resistance of a body to deformation by a force or torque.
  • the rigidity of a body depends on its material and its geometry. Depending on the type of load, a distinction is made between different stiffnesses, such as, for example, flexural, tensile or torsional rigidity, with flexural rigidity being of importance in view of the present invention. If the sleeve-like press closure now has an area of reduced rigidity at at least one end, this leads to the transition of the closure and the wire rope becoming more homogeneous or continuous from the point of view of the stresses occurring in the process.
  • the sleeve-like press closure is made of steel, preferably of nickel-alloyed case-hardening steel.
  • Case hardening steels include unalloyed and low alloy steels up to a maximum carbon content of 0.2%. Components made of case-hardening steels have a high degree of toughness in their interior and a very high hardness and thus high resistance to wear on the surface.
  • An example of a nickel-alloyed case hardening steel is the material 15CrNi13. It is characterized by a tensile strength of 1000 to 1100 N / mm 2 . Thus, a minimum tensile force of 5000 N can be guaranteed. Pressures of 400 kN are necessary for pressing a press fastener made of this material.
  • the range of reduced stiffness may be e.g. be achieved in that the sleeve-like press closure at the respective end has a material taper.
  • the rigidity at the ends of the sleeve-like press closure can be reduced by slit-shaped interruptions, for example six slit-shaped interruptions.
  • the sleeve-like press closure has at least one end at least one annular recess, wherein the at least one annular recess is preferably arranged between the inner surface of the sleeve-like press closure and the wire rope.
  • the inner surface of the sleeve-like press closure rests against the wire rope only in the region of the center of the sleeve-like press closure.
  • the at least one annular recess remains empty or in that at least one sleeve-like component, e.g.
  • plastic preferably made of Teflon
  • the at least one annular recess at least partially filled with a plastic, preferably with a thermoplastic urethane-based elastomer. All these measures or combinations of these measures serve to create a more homogeneous or more stable transition of closure and wire rope.
  • plastic with which the at least one annular recess can be filled at least partially, is advantageously also used to the sleeve-like press fastener and / or the wire (at the points between the cutting beads) at least partially with a To encase injection molded jacket.
  • an injection-molded jacket serves to protect the wire from external influences. This prevents corrosion and increases safety during use.
  • the injection-molded jacket serves to stabilize and fix the cutting beads.
  • the cutting beads are preferably completely injected.
  • the distance of the two cutting beads adjacent to the sleeve-like press fastener is matched as well as possible to the spacing of the remaining cutting beads, since otherwise it is e.g. During a periodic orbital movement of an endless sawing cable in a multiwire saw to unwanted vibrations. However, this succeeds only partially due to the necessary minimum width of the sleeve-like press fastener. Therefore, the two adjacent to the sleeve-like press closure cutting beads are generally subjected to increased stress.
  • At least one of the two adjacent to the sleeve-like press closure cutting beads has a wear-resistant compared to the other cutting beads cutting pad. This can e.g. be achieved by a hardened bond and / or a higher diamond concentration.
  • At least one of the two cutting beads adjacent to the sleeve-like press closure has an extension part welded to the carrier body of the cutting pad, wherein the welded extension part is arranged on the side of the cutting beads, which is the sleeve-like Turned away press closure.
  • This welded extension part serves to reinforce the carrier body of the cutting pad.
  • This can be achieved in that the free end of the welded extension part has at least one slot-shaped interruption, preferably six slot-shaped interruptions.
  • the carrier body of at least one of the two adjacent to the sleeve-like press closure cutting beads has at least one annular recess, wherein the at least one annular recess is arranged at the end of the carrier body, which faces the sleeve-like press fastener. Similar to the sleeve-like press closure, the at least one annular recess is preferably arranged between the inner surface of the carrier body and the wire rope.
  • a sleeve-like component made of plastic (preferably Teflon) arranged in it and / or at least partially filled with a plastic, preferably with a urethane-based thermoplastic elastomer.
  • FIG. 1 is a schematic cross-sectional view of a detail of a sawing cable according to the invention
  • FIG. 2 is a schematic side view of one of the two adjacent to the sleeve-like press closure cutting beads
  • Fig. 3 is a schematic side view of an embodiment of the sleeve-like
  • Fig. 4 is a schematic cross-sectional view of another embodiment of the sleeve-like press closure.
  • a relevant to explain the invention section of the sawing cable 1 is shown schematically in cross section.
  • This cutout may be part of a sawing cable 1 connected to an endless rope loop, for example.
  • Characterized in that the length of such a cable loop is typically several meters (eg 50 m) and the section shown here in reality has a length of a few centimeters, the curvature of the sawing cable 1 is not visible in this illustration.
  • the section shows (viewed from the center to the edge of the drawing): a sleeve-like press fastener 5, through which the ends 4 of the wire rope 2 are connected, two adjacent to the sleeve-like press closure 5 cutting beads 3 'and 3 ", located in their Construction of the remaining cutting beads 3, two of which can be seen at the edges of the drawing, all cutting beads 3, 3 'and 3 "are arranged on the wire rope 2.
  • the sleeve-like press fastener 5, which is made of nickel-alloyed insert steel in the embodiment shown here, will be described in more detail below with reference to FIG.
  • the sleeve-like press closure 5 has at each end 6 an area of reduced rigidity, which is caused in each case by an increasing material taper 7 towards the outside.
  • the outer diameter D5 of the sleeve-like press closure 5, which has substantially the shape of a cylinder tube, is constant over the entire width.
  • the sleeve-like press closure 5 rests in the region A4 of its center with the inner surface directly to the wire rope 2, however, at the ends 6 with the material taper 7 has a distance D2 to the wire 2.
  • the sleeve-like press closure 5 at the two ends 6 in each case an annular recess 9, which is arranged between its inner surface and the wire rope 2.
  • a sleeve-like component 10 made of Teflon is arranged in each case, wherein this sleeve-like component 10 does not fill the entire recess 9.
  • the remaining part of the recess 9 is rather filled with a thermoplastic elastomer 11 based on urethane.
  • This plastic material 11 also surrounds the entire sleeve-like press closure 5 and extends as far as the two adjacent cutting beads 3 'and 3 "This injection-molded jacket 11 in particular prevents corrosion damage to the press closure 5.
  • the cutting beads 3, 3' and 3" consist essentially of one Carrier body 13, on each of which an annular cutting pad 12 is arranged.
  • the two transition zones A2 and A3 have a length of 1 to 2 mm at the ends 6 of the press closure 5, which are characterized by the splashed area A2 and the area A3 in which the teflon sleeve 10 is arranged.
  • the length A4 of the area in the middle of the sleeve-like press closure 5 is typically between 6 and 7 mm
  • the distance D2 of the inner surface of the sleeve-like press closure 5 to the wire rope 2 at the two ends 6 has a value of about 0.5 mm and the distance A5 of two cutting beads 3 is typically about 2.5 cm, the distance between the two to the sleeve-like press closure 5 adjacent cutting beads 3 'and 3 "is slightly larger compared to.
  • cutting beads 3, 3 'and 3 "per meter are arranged on the wire rope 2.
  • a sawing wire 1 which has a length of 50 m and 36 cutting beads 3, 3' and 3" per meter , then there are a total of 1800 cutting beads 3, 3 'and 3 ".
  • One of the factors responsible for this increased load is thereby Invoice that the cutting surface 12 of this cutting bead 3 'is executed in a compared to the other cutting beads 3 and 3 "wear-resistant form.
  • the free end 5 of the welded extension part 14 has six slot-shaped interruptions 16 (only three of which are visible in the drawing).
  • the outer diameter D4 of the cutting beads is (in reality) between 6.5 mm and 8.5 mm, and is preferably 7.3 mm.
  • the outer diameter D3 of the carrier body 13 and the welded extension part 14 then has a value of about 5.2 mm. 3 shows an enlarged view of the sleeve-like press closure 5, which is also a side view here.
  • the wall of the press fastener 5 is shown interrupted to release the view of the viewer on the arranged within the shutter 5 areas:
  • the material tapering 7 of the press fastener 5 increasing toward the outside can also be seen very well.
  • the outer diameter D5 of the press fastener is (in reality) about 5.5 mm.
  • FIGS. 4 shows a further exemplary embodiment of the sleeve-like press closure 5 in a schematic cross-sectional representation.
  • the press fastener 5 lies with its entire inner surface directly against the wire rope 2 and has no annular recesses at the ends.
  • the material taper 7 is not stepped. Instead, the outer diameter D5 of the press closure 5 approaches the diameter D1 of the wire rope 2 substantially asymptotically.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Ropes Or Cables (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

L'invention concerne un câble de scie (1) destiné à être employé dans une scie à câble, comportant un câble métallique et des perles de coupe (3, 3', 3'') disposées sur le câble, les extrémités (4) du câble métallique (2) étant reliées par une fermeture par compression (5) en forme de douille, la fermeture par compression (5) en forme de douille présentant sur au moins une extrémité (6) une zone de rigidité réduite.
EP12723074.6A 2011-06-20 2012-05-02 Câble de scie destiné à être employé dans une scie à câble Not-in-force EP2720840B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA900/2011A AT511454B1 (de) 2011-06-20 2011-06-20 Sägeseil zur verwendung in einer seilsägemaschine
PCT/AT2012/000122 WO2012174577A1 (fr) 2011-06-20 2012-05-02 Câble de scie destiné à être employé dans une scie à câble

Publications (2)

Publication Number Publication Date
EP2720840A1 true EP2720840A1 (fr) 2014-04-23
EP2720840B1 EP2720840B1 (fr) 2018-03-14

Family

ID=46148579

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12723074.6A Not-in-force EP2720840B1 (fr) 2011-06-20 2012-05-02 Câble de scie destiné à être employé dans une scie à câble

Country Status (7)

Country Link
EP (1) EP2720840B1 (fr)
KR (1) KR20140028068A (fr)
CN (1) CN103635297B (fr)
AT (1) AT511454B1 (fr)
BR (1) BR112013032656A2 (fr)
RU (1) RU2592622C2 (fr)
WO (1) WO2012174577A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTV20130138A1 (it) * 2013-08-27 2015-02-28 Boart & Wire Srl Metodo per la realizzazione di un filo diamantato per il taglio di materiale lapideo e fili diamantati così ottenuti.
CN104325562A (zh) * 2014-10-23 2015-02-04 泉州华大超硬工具科技有限公司 一种沟槽式金刚石串珠和金刚石绳锯
EP3338932B1 (fr) * 2016-12-01 2023-08-30 Dazzini S.R.L. Système d'assemblage des deux extrémités d'une ligne de coupe métallique pour machines à découper de la pierre, du bois et des produits métalliques et analogues
CN213766525U9 (zh) * 2020-08-28 2023-07-07 厦门致力金刚石科技股份有限公司 一种防止串珠转动的金刚石绳锯

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US1959402A (en) * 1930-04-30 1934-05-22 American Brass Co Method of connecting cables and the like and article produced thereby
DE1168182B (de) * 1960-05-04 1964-04-16 Klara Meisen Geb Muehlbauer Huelsenfoermige Seilklemme aus Eisen zum Verbinden von Drahtseilen hinter- oder nebeneinander im flachgedrueckten Zustand und Verfahren zum Herstellen einer derartigen Seilklemme
DE1200614B (de) * 1961-02-16 1965-09-09 Cable Covers Ltd Kupplungsmuffe fuer Stangen, Kabel, Drahtseile od. dgl.
GB1478705A (en) * 1974-09-13 1977-07-06 Furukawa Electric Co Ltd Connector for fibre reinforced plastics filaments or cord
SU1217683A1 (ru) * 1984-12-18 1986-03-15 Научно-производственное объединение "Камень и силикаты" Устройство дл креплени концов каната алмазно-канатной пилы
JPS63301780A (ja) * 1987-06-02 1988-12-08 Shiyouene Giken:Kk 遠赤外線を利用した真空乾燥機
AT393988B (de) 1990-04-03 1992-01-10 Swarovski Tyrolit Schleif Saegeseil
GB2243094A (en) * 1990-04-17 1991-10-23 Neil George Reid Wire saws
JP2800589B2 (ja) * 1992-10-19 1998-09-21 株式会社大林組 ワイヤソーの接続用スリーブ
JPH08336749A (ja) * 1995-06-07 1996-12-24 Kurisutetsuku Kk ワイヤーソーの切断刃取付け方法、及びその切断刃
JPH106329A (ja) * 1996-06-21 1998-01-13 Asahi Daiyamondo Kogyo Kk ワイヤソーかしめ用スリーブ
JP3448046B2 (ja) * 2002-03-05 2003-09-16 旭ダイヤモンド工業株式会社 ワイヤソー用端部接続治具及びそれを用いたワイヤソー
JP2005113230A (ja) * 2003-10-09 2005-04-28 Asahi Diamond Industrial Co Ltd 接続スリーブ
JP4475673B2 (ja) * 2006-04-19 2010-06-09 株式会社アライドマテリアル ワイヤーソー接続用スリーブおよびワイヤーソー

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Also Published As

Publication number Publication date
AT511454B1 (de) 2012-12-15
AT511454A4 (de) 2012-12-15
EP2720840B1 (fr) 2018-03-14
CN103635297B (zh) 2016-01-13
CN103635297A (zh) 2014-03-12
BR112013032656A2 (pt) 2017-01-24
RU2592622C2 (ru) 2016-07-27
WO2012174577A1 (fr) 2012-12-27
RU2014101510A (ru) 2015-07-27
KR20140028068A (ko) 2014-03-07

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