• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Sawing wire for use in a wire saw, comprising a wire rope braided from a plurality of wire strands (1) and cutting beads (2) disposed thereon, the ends (3) of the wire rope being spliced, in particular to an endless wire loop, at least one of the wire strands (1) in the region of the splice (v) with at least one shrink tube (4) is sheathed.
    公开号:AT511080A4
    申请号:T562/2011
    申请日:2011-04-20
    公开日:2012-09-15
    发明作者:
    申请人:Swarovski Tyrolit Schleif；
    IPC主号:
    专利说明:

    • * * * · 4 * »» * «« · * · «4« I> 4 ·· »··« # • · · · · 4 · 69279 31 / sk 1
    The invention relates to a sawing wire for use in a wire sawing machine, comprising a wire rope braided from a plurality of wire strands and cutting beads disposed thereon, the ends of the wire rope being spliced, in particular to an endless loop of rope. Furthermore, a method for the production of a sawing cable connection of cable ends of the sawing cable or of parts of the sawing cable, in particular to an endless sawing cable loop, should be specified.
    The wire saw machines, which are of importance in connection with the present invention, are mainly used for natural stone processing. These are in particular so-called "multiwire saws", which make it possible to cut through a granite block simultaneously with up to 60 sawing wires. Compared to the "Monowire saws", the Multiwire saws are characterized by a significantly higher output and advantageous flexibility in the production of different plate thicknesses.
    However, the Multiwire saws can not use the saw wires used in Monowire saws. In order to reduce the required cutting performance, the saw wires used in the Multiwire saws must have a reduced diameter compared to saw wires used in Monowire saws. This reduces the cutting losses at the same time.
    However, this reduction in the diameter of the saw ropes is not readily possible. In particular, the same technical solutions used to join the ends of a sawing wire used in monowire saws can not be used. This includes, for example, the articulated connection described in EP 0680395B1, Instead, the cable ends are usually spliced together (compare, for example, EP 160625A2).
    A disadvantage of a splicing of the ends of the rope, however, has proved the fact that in the course of this splicing mechanical damage to the • * * # * * · «*» II · ♦ »·· * · € P ·« «Λ · · · «· * · ··« «··· · ·· ♦ 2
    Wire strands may occur, which subsequently lead to corrosion damage and concomitantly to a reduction in the life of the saw and a reduced safety in the application.
    From cableway technology methods are known to solve these problems. The wire strands to be spliced are e.g. wrapped with plastic bands or the like. However, these solutions are not suitable for saw ropes due to typically an order of magnitude smaller diameter.
    The object of the present invention is therefore to provide a comparison with the prior art new cable connection for sawing cables, which avoids the disadvantages described above, thereby enabling in particular a time and cost savings.
    This object is achieved by the features of the two independent claims 1 and 13.
    Shrink tubing is typically used in the electrical industry. These are plastic hoses, which contract strongly under the influence of heat (usually by supplying hot air). The aim is to electrically isolate the object introduced into the tube prior to heating against its environment. In the case of the sawing cable connection described herein, the objective of using the shrink tubing is primarily to improve the corrosion behavior of the wire strands and to increase the frictional engagement. It is also advantageous that the jacket with shrink tubing can be carried out homogeneously, in a reproducible manner and quickly.
    With regard to the corrosion behavior and the reinforcement of the frictional connection, it is advantageous if all the wire strands in the region of the splice are individually sheathed with at least one heat-shrinkable tube and / or if the sheath extends over the entire region of the splice. 3
    Most shrink sleeves are used, which consist of a thermoplastic material with a shrinkage range between 2: 1 to 3: 1. However, the exact nature of the shrink tubing used in individual cases depends very much on the lichen formula - and thus the thickness - of the wire strands. With a number of strands of e.g. 6x7 + 1 x7 - this means that the rope is made up of 6 + 1 strands, each consisting of 7 wires - it makes sense to use shrink tubing whose outside diameter is 3 mm at a processing temperature of approx. 400 ° C shrinks to 2 mm.
    A preferred embodiment is characterized in that the splicing of the cable ends takes place using at least one cross knot. Cross knots are e.g. at Langspleißen - a preferred splicing method in the context of the invention - used. Such long splices extend from the splice center in each case over a certain length in both directions of the rope. In a saw wire with a number of strands of 6x7 + 1 x7 is a typical splice length, with a total cable length of typically 25 m to 65 m, for example, 2.4 m. Alternatively, other splicing techniques are also available. For example, it is conceivable to use a parallel node instead of the cross node.
    Advantageously, the splice is - preferably by means of a copper hammer and / or a pair of pliers - pressed. The aim here is to reduce the outer diameter of the sawing cable in order to arrange cutting beads in this area of the sawing wire can. It has been found that the sheathing of the wire strands with shrink tubing is also very advantageous in view of this splice of the splice, since it helps to prevent mechanical damage that could occur in the course of Verpressvorgangs.
    It has also proved useful to coat the splice point with an injection-molded jacket, advantageously as well as the remaining sections of the sawing wire between the cutting beads. For a good anchoring of the injection-molded casing with the steel cable, it may be advantageous in some cases to use the plastic from which the plastic material φ Μ • «« «« «« ««. »I» # · | • * Φ * *. '* * «» * Φ «ΦΦ Φ · I · Φ · φ φ« »* * · · φ * ·· 4
    The injection-molded casing consists of injecting into the steel inner strand. Preferably, the injection molding jacket consists of a thermoplastic urethane-based elastomer. In general, the injection molding jacket serves to protect the splice point - as well as the rest of the sawing cable - from external influences. This prevents corrosion and increases safety during use. In addition, the injection-molded jacket serves to stabilize and fix the cutting beads. For this purpose, the cutting beads are preferably completely injected.
    Advantageously, the cutting beads have a diameter between 6.5 mm and 8.5 mm, preferably a diameter of 7.3 mm. Cutting beads with this diameter can be ideally combined with a wire rope whose diameter is between 2.5 mm and 4.4 mm and preferably 3.5 mm.
    With regard to particularly good sawing characteristics, embodiments of the sawing cable according to the invention have been found to be advantageous in which between 30 and 40, preferably 36, cutting beads are arranged per meter on the wire rope.
    Protection is also desired for a method for producing a sawing cable connection of cable ends of a sawing cable or parts of a sawing wire, in particular to an endless sawing wire loop, the sawing wire comprising a wire rope braided from a plurality of wire strands and cutting beads arranged thereon, characterized in that - in one At least one of the wire strands at one end of the cable is at least partially sheathed with at least one heat-shrinkable tube, and the cable ends are spliced together in a second method step.
    This method can be extended by one or more of the following method steps: the splice is compressed at least in regions, preferably by means of a copper hammer and / or pliers, and / or the splice is used to push at least one cutting bead and / or die Splicing is at least partially covered with an injection-molded jacket.
    Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the exemplary embodiment illustrated in the drawings. Showing:
    1 is a schematic representation of two ends of a sawing cable according to the invention,
    Fig. 2 is a schematic representation of a sawing cable according to the invention with a splice and
    3 shows the preferred method sequence for the production of a sawing wire connection according to the invention in the form of a block diagram. FIG. 1 shows diagrammatically two ends 3 of a sawing cable according to the invention, wherein the sawing cable has a wire rope braided from a plurality of wire strands 1 and cutting beads 2 arranged thereon. The cutting beads 2 contain a high performance cutting material, such as diamond. The intertwining of the wire strands 1 is indicated only schematically in this illustration. In the figure, also schematically an injection molding jacket 5 is shown, with the advantageously the entire sawing cable (at the locations that are not occupied by Scheidperlen 2) is sheathed. The two cable ends 3 are connected to each other according to the invention, which is indicated in the figure with the two arrows and described in detail with reference to FIG. 3. FIG. 2 shows a sawing cable according to the invention in which the ends of the wire rope have already been connected to one another. So it is a section of an endless rope loop to see. The area over which the splice extends is denoted by v. It should be noted that, just as in FIG. 1, this is not a true-to-scale illustration. In reality, typical values are: φ φ * • φ φ φ φ φ φ φ »
    »Φ · t · I · II Φ 4 Φ Φ φ Φ Φ Φ Φ 6 - Distance of two cutting beads 2 (also in the area of the splice): 2.5 cm - Length of the splice: 2.4 m - Diameter of the wire rope: 3 , 5 mm - diameter of the cutting beads 2: 7.3 mm - diameter of the wire rope with injection-molded sheath: > 3.5 mm and < 7.3 mm This means that about 100 cutting beads are arranged in the region of the splice in this embodiment. For the sake of clarity, the region of the splice is shown interrupted by dashed lines.
    To connect the cable ends 3 of the sawing cable to an endless cable loop, proceed as follows: 1. All the cutting beads 2, which should later include the sawing wire, are threaded onto the wire rope. In a Sägesei, which has a length of 50 m and 36 cutting beads 2 per meter, are the total of 1800 cutting beads 2, 2. The portion of the sawing cable, which is not for the splicing and "Zwischenparken" the cutting beads 2, the later be pushed over the splice (see point 6), required, is encased with an injection-molded jacket 5. In this case, the plastic from which the Spitzgussmantel 5 is injected into the steel inner wire, and the Schneiferlen 2 are completely injected with this plastic. In this way, the cutting beads 2 are already stabilized and fixed in this section of the sawing cable. 3. The wire strands 1, with which the splicing of the cable ends 3 is to take place, are sheathed in the process step indicated by A in FIG. 3 over the entire area v of the splice with a heat-shrinkable tube 4. For this purpose, one first separates these wire strands 1 spatially from the other wire strands 1, which are not required for the splice. Then one evert one or more shrink tubing 4 as required over the leached wire strands 1 and lets these heat shrink tubing 4 contract as a result of heat. 4. In the method step designated by B in FIG. 3, the two cable ends 3 are spliced by a long splice using a cross knot. 5. In the process step indicated by C in FIG. 3, the splice is pressed by means of a copper hammer and a pair of pliers in order to reduce the outside diameter in the area v of the splice. 6. In the process step denoted by D in FIG. 3, the cutting beads 2, which have been parked to the right and left of the splice, are pushed over the splice and arranged at the same distance as the rest of the sawing wire. 7. In the method step denoted by E in FIG. 3, the remainder of the sawing wire is encased with an injection-molded jacket 5 in the same way as described in point 2.
    Innsbruck, 19 April 2011
    权利要求:
    Claims (19)
    [1]
    Claims 1. A sawing wire for use in a wire saw machine comprising a wire rope braided from a plurality of wire strands (1) and cutting beads (2) disposed thereon, the ends (3) of the wire rope being spliced; in particular to an endless cable loop, characterized in that at least one of the wire strands (1) in the region of the splice (V) with at least one shrink tube (4) is sheathed.
    [2]
    2. sawing cable according to claim 1, characterized in that all the wire strands (1) in the region of the splice (v) individually with at least one shrink tube (4) are sheathed.
    [3]
    3. sawing wire according to claim 1 or 2, characterized in that the sheath of the wire strand or the wire strands (1) with a shrink tube (4) over the entire region of the splice (v) extends.
    [4]
    4. sawing wire according to one of claims 1 to 3, characterized in that the shrink tube (4) consists of a thermoplastic material having a shrinkage range between 2: 1 to 3: 1.
    [5]
    5. sawing wire according to one of claims 1 to 4, characterized in that the splice (v) has at least one cross knot.
    [6]
    6. sawing wire according to one of claims 1 to 5, characterized in that the splice (V) is at least partially compressed.
    [7]
    7. sawing cable according to one of claims 1 to 6, characterized in that the wire rope is sheathed at least partially with a Spitzgussmantel (5). «· ··· * II * ······ »2
    [8]
    8. sawing wire according to one of claims 1 to 7, characterized in that the splice (V) at least partially with an injection-molded jacket (5) is sheathed.
    [9]
    9. sawing wire according to claim 7 or 8, characterized in that the Sp'itzgussmantel (5) consists of a thermoplastic urethane-based elastomer.
    [10]
    10. sawing wire according to one of claims 1 to 9, characterized in that the cutting beads (2) have a diameter between 6.5 mm and 8.5 mm, preferably a diameter of 7.3 mm.
    [11]
    11. sawing wire according to one of claims 1 to 10, characterized in that the wire rope has a diameter between 2.5 mm and 4.4 mm, preferably a diameter of 3.5 mm.
    [12]
    12. sawing wire according to one of claims 1 to 11, characterized in that on the wire rope between 30 and 40, preferably 36, cutting beads (2) are arranged per meter.
    [13]
    13. A method for producing a Sägeseilverbindung of cable ends (3) of a sawing cable or parts of a sawing wire, in particular to an endless Sägeseifschlaufe, wherein the sawing wire of a plurality of wire strands (1) braided wire rope and disposed thereon cutting beads (2), characterized in that - in a first method step (A) at least one of the wire seats (1) is sheathed at least partially with at least one heat-shrinkable tube (4) on a cable end (3) and - the cable ends (3) are spliced together in a second method step (B) become.
    [14]
    14. The method according to claim 13, characterized in that the cable ends (3) are spliced together by at least one cross knot.
    [15]
    15. The method according to claim 13 or 14, characterized in that the splice (V) in a further method step (C) is at least partially pressed.
    [16]
    16. The method according to claim 15, characterized in that the splice (V) is pressed by means of a copper hammer and / or pliers.
    [17]
    17 Method according to one of claims 13 to 16, characterized in that in a further method step (D) over the splice (v) at least one cutting bead (2) is pushed.
    [18]
    18. The method according to any one of claims 13 to 17, characterized in that the splice (V) in a further method step (E) at least partially with an injection-molded jacket (5) is encased. Innsbruck, on
    [19]
    April 19, 2011
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2773495A|1953-12-09|1956-12-11|Hubert M Lefevre|Method of fabricating a cable variety stone cutting saw|
    US3741192A|1972-01-21|1973-06-26|Carborundum Co|Abrasive cable saw cutting member|
    EP0160625A2|1984-04-27|1985-11-06|Emilio Brocco|Diamond wire for cutting stone and marble|
    JPH058117A|1991-06-28|1993-01-19|Nippon Daiyamondo Kk|Connecting method and connection construction of wire saw ends|
    US3934397A|1974-07-11|1976-01-27|Black Boyd C|Wire rope splice assembly|
    JPH04122416U|1991-04-24|1992-11-04|
    JPH058116A|1991-06-28|1993-01-19|Nippon Daiyamondo Kk|Wire saw and its manufacture|
    AT400018B|1993-08-23|1995-09-25|Swarovski Tyrolit Schleif|SAW ROPE|
    JP5043401B2|2005-11-10|2012-10-10|住友電工スチールワイヤー株式会社|Ring metal cord and endless metal belt|
    CN201102283Y|2007-10-31|2008-08-20|唐汇德|Non-contact diamond rope saw|
    CN101698316B|2009-10-09|2012-01-04|刘开远|Hard alloy beaded wire saw|ITTV20130138A1|2013-08-27|2015-02-28|Boart & Wire Srl|METHOD FOR THE REALIZATION OF A DIAMOND WIRE FOR THE CUTTING OF STONE MATERIAL AND DIAMOND WIRES SO OBTAINED.|
    EP3302861B1|2015-05-26|2020-07-01|NV Bekaert SA|Saw cord loop and a method for producing such a loop|
    WO2018138706A1|2017-01-30|2018-08-02|Boart & Wire S.R.L.|Production method of a diamond wire for cutting stone-like material|
    DE102017116532A1|2017-07-21|2019-01-24|Fatzer Ag|Shell element and method for splicing a rope|
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    法律状态:
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    优先权:
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