JP5067955B2 - Wire positioning tool, wire guide assembly, wire cut electric discharge machine, and method for manufacturing wire positioning tool - Google Patents

Description

The present invention relates to a wire positioning tool, a wire guide assembly, a wire cut electric discharge machine, and a method for manufacturing a wire positioning tool, and in particular, a wire positioning tool in which a diamond guide is mounted on a pair of divided guide bodies, and the wire positioning tool. The present invention relates to a wire guide assembly, a wire-cut electric discharge machine, and a method for manufacturing a wire positioning tool.

In electric discharge machining using a wire-cut electric discharge machine, a wire electrode that travels at a predetermined tension and speed is sent to the travel path by accurate positioning. Such accurate positioning of the wire electrode is performed, for example, by providing the wire guide assembly with a wire positioning device (hereinafter referred to as a wire positioning tool) as disclosed in Patent Document 1.

That is, the wire positioning tool disclosed in Patent Document 1 stores a split mold of a guide portion made of a diamond chip held by a plate-like holding portion at the bottom of a concave storage portion formed in a pair of divided guide main body portions. Then, the wire electrode is inserted between the diamond tips to accurately position the wire electrode. Below the split part of the guide part, that is, the bottom part of the concave storage part, a lead-out part for leading out the wire electrode is formed integrally with the guide body part, and the wire electrode between the diamond chips is provided above the split part of the guide part. The split mold which forms the introduction part for introducing the is housed.

The split mold of the introduction part is formed with a concave part on the outer peripheral surface and a convex part corresponding to the inner peripheral surface of the concave storage part, and is fixed to the concave storage part by fitting the concave part and the convex part together. Yes. Further, the split mold of the guide part is fixed to the bottom part of the concave storage part with a screw.

JP 2008-23668 A

However, as described above, if the split part of the guide part is formed in addition to the split part of the guide part, the number of parts increases and the manufacturing cost of the apparatus increases. In recent years, materials other than diamond such as sapphire are often used due to the demand for lower prices, and if the number of parts increases as in the conventional case, the price competitiveness is reduced.

Also, conventionally, when assembling the wire positioning tool, the split part of the introduction part is fitted into the concave storage part, the split part of the guide part is fixed with screws, and further the surface of the abutting surface and the height are adjusted. However, the manufacturing operation of such an apparatus is extremely complicated and further increases the cost.

The present invention has been made in view of such circumstances, a wire positioning tool in which a diamond guide is mounted on a pair of divided guide bodies, a wire guide assembly including the wire positioning tool, a wire cut electric discharge machine, An object of the method for manufacturing a wire positioning tool is to reduce manufacturing costs.

In order to achieve the above-mentioned object, the invention of claim 1 according to the wire positioning tool comprises a pair of divided guide bodies, a wire electrode mounted on the guide bodies, and the pair of guide bodies attached together. In a wire positioning tool that includes a pair of divided diamond guides that form insertion holes to be inserted, and a guide member that holds the diamond guides and is attached to the guide body, the wire electrode is positioned in the guide body. a introduction portion for introducing the wire electrode in the hole, and a deriving unit that derives the wire electrode from the insertion hole, and a mounting hole for mounting the guide member, the integrally formed between the inlet portion and the outlet portion, the mounting hole The guide body is formed to extend from the abutting surface of the guide body, and the guide member is inserted and attached from the abutting surface of the guide body, while being opposite to the abutting surface. Adhesive is supplied from the opening to fix the guide member, and the guide member is formed in a ring shape having an open end, and holds the diamond guide at the open end, and the ring hole of the guide member It is characterized by supplying an adhesive .

According to the present invention, since not only the lead-out portion but also the introduction portion and the mounting hole are formed integrally with the guide body, the number of parts is reduced and the manufacturing cost is reduced. In addition, since there is little processing for height adjustment and the guide member can be mounted in the mounting hole of the guide body, there is no need for fixing with screws, and the efficiency of manufacturing work is improved. Manufacturing costs can be reduced.

Here, if the guide body is integrally formed using a mold, the manufacturing cost can be further reduced. In other words, conventionally, the guide body was individually manufactured by cutting with a machine tool using a metal material. However, if the guide body is manufactured individually by cutting as described above, the manufacturing efficiency is remarkably lowered and greatly increased. Cost increase. In the present invention, since the guide body is formed using a mold, it can be efficiently manufactured in large quantities, and the manufacturing cost can be greatly reduced. If the guide body is formed of ceramics, it can be easily formed integrally with a mold (claim 3).

In order to achieve the above-mentioned object, the invention according to claim 4 relating to the wire positioning tool includes a pair of divided block-shaped guide bodies, the guide bodies attached to the pair of guide bodies, and the pair of guide bodies attached together. A pair of divided block-shaped diamond guides made of single-crystal diamond forming an insertion hole through which the wire electrode is guided on the abutting surface in a state, and the diamond guide is held and attached to the guide body In a wire positioning tool that includes a guide member and performs positioning of the wire electrode, the guide electrode is formed such that the wire electrode is introduced into the insertion hole and the diameter gradually decreases along the direction in which the wire electrode is introduced. The wire electrode is led out from the hole-shaped introduction part and the insertion hole, and the diameter is gradually increased along the direction in which the wire electrode is led out. A deriving unit shape, and integrally formed by ceramics using a mold to include a mounting hole for mounting the guide member between the inlet portion and the outlet portion, the mounting holes, mating surfaces attached to guide body so as to penetrate extending from and formed so as to intersect with respect to the direction of introduction and the lead-out direction of the wire electrode while pressed by inserting the guide member from the mating surface per the guide body is mounted, butted allowed surface The guide member is fixed by supplying an adhesive from the through-hole on the opposite side , and the guide member is formed in a ring shape having an open end, and is sandwiched and held by press-fitting a diamond guide into the open end. In addition, an adhesive is supplied to the ring hole of the guide member .

In order to achieve the above-mentioned object, the invention according to claim 5 relating to the guide assembly is provided with a passage through which the wire electrode passes, and incorporates an electrical conductor, a wire positioning tool, and a coaxial jet nozzle along the passage. In the guide assembly, the wire positioning tool is the wire positioning tool according to any one of claims 1 to 4 .

In order to achieve the above object, the invention of claim 6 according to the wire cut electric discharge machine is provided with a passage through which the wire electrode passes, and along the passage, an electrical conductor, a wire positioning tool, a coaxial jet nozzle, In a wire cut electric discharge machine for performing electric discharge machining of a workpiece by supplying a wire electrode between the electrodes via a guide assembly incorporating the above, the guide assembly is the guide assembly according to claim 5 .
According to the fourth to sixth aspects of the present invention, the number of parts and the efficiency of manufacturing work can be reduced, and the manufacturing cost can be reduced.

In order to achieve the above object, an invention according to claim 7 relating to a method of manufacturing a wire positioning tool includes a pair of divided guide bodies, a state where the guide bodies are attached to each other, and the pair of guide bodies are attached together. A wire positioning device comprising: a pair of divided diamond guides each having an insertion hole through which a wire electrode is inserted, and a guide member that holds the diamond guide and is attached to a guide body. In the tool manufacturing method, the guide body has an introduction portion for introducing a wire electrode into the insertion hole, a lead portion for leading the wire electrode from the insertion hole, and a mounting hole for mounting the guide member between the introduction portion and the lead portion. When, and forming integrally, mounting holes are formed to penetrate extending from the mating surface attached to the guide body, the guide member is formed into a ring shape whose ends open Is a step of pinching and holding the diamond guide the open end of the guide member, a step of supplying an adhesive to the ring hole of the guide member, the mounting hole of one of the guide body of the pair of the guide body, the diamond guide Inserting the guide member holding the guide member from the attachment surface , attaching the guide member to the attachment hole, supplying the adhesive from the through hole on the opposite side of the attachment surface, and fixing the guide member, and the other guide A step of mounting the guide member holding the diamond guide into the mounting hole of the main body so as to protrude from the mating surface, and a guide member mounted on one guide main body and a guide member mounted on the other guide main body In the state of being attached through the attachment surface, the one guide body presses the other guide body, and the guide member protrudes from the other guide body. The characterized in that it comprises a step of attaching by press-fitting the attachment hole of the other side of the guide body.

According to the present invention, the step of holding and holding the diamond guide at the opening end of the guide member, the step of supplying the adhesive to the ring hole of the guide member, and the mounting hole of one guide body of the pair of guide bodies A step of inserting the guide member holding the diamond guide from the attachment surface and attaching the guide member, and a step of supplying the adhesive from the through-hole on the opposite side of the attachment surface to fix the guide member in the attachment hole; The step of mounting the guide member holding the diamond guide in the mounting hole of the other guide body so as to protrude from the mating surface, and the guide member mounted on one guide body and the other guide body mounted In a state where the guide member is attached through the attachment surface, the other guide body is pressed by one guide body, and the guide member in the other guide body is pressed. A step of mounting the out portion is press-fitted into the mounting hole of the other side of guide body, so it was decided to include a can be butted not shift a pair of diamond guide. As a result, it is not necessary to surface the abutting surface of the guide main body on which the guide member is mounted, so that the manufacturing efficiency can be improved and the manufacturing cost can be reduced.

According to the present invention, the manufacturing cost can be reduced.

It is a front view showing the outline of the composition of the wire cut electric discharge machine provided with the wire positioning tool concerning the embodiment of the present invention. It is a side view including the partial cross section which shows the structure of an upper side guide assembly. It is a side view including the partial cross section which shows the state of the upper side guide assembly at the time of connection. It is the top view and side sectional view which show the structure of a wire positioning tool. It is the top view which shows the structure of one guide main body, a front view, and a side sectional view. It is the top view which shows the structure of the other guide main body, a front view, and side surface sectional drawing. It is the top view which shows the structure of a diamond guide, a front view, and a side view. It is a top view which shows the assembly method of one guide main body. It is a top view which shows the assembly method of the other guide main body. FIG. 10 is a plan view following FIG. 8 and FIG. 9 showing a method for assembling the guide body. It is the top view and side sectional drawing following FIG. 10 which show the assembly method of a guide main body. It is a top view following FIG. 11 which shows the assembly method of a guide main body. FIG. 13 is a plan view and a side cross-sectional view subsequent to FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a configuration diagram showing an outline of a wire cut electric discharge machine showing an embodiment of the present invention. The outline of the wire cut electric discharge machine 1 will be described with reference to FIG. 1. The wire cut electric discharge machine 1 is mounted on a base 2, a column 3 standing from the rear of the base 2, and an upper front portion of the column 3. The processing head 4, the processing tank 5 placed on the front portion of the base 2 and filled with the processing liquid, and the work table 6 that is accommodated in the processing tank 5 and holds the workpiece W. An upper guide assembly 7 is provided at a lower portion of the front surface of the column 3 so that a lower guide assembly 8 sandwiches the workpiece W.

That is, the wire-cut electric discharge machine 1 continues the wire electrode E as a tool electrode in the gap 9 formed between the wire electrode E and the workpiece W via the upper guide assembly 7 and the lower guide assembly 8. Thus, the electric discharge machining is performed by generating electric discharge between the electrodes 9 in the machining tank 5, and the wire positioning tool 100 of the present invention is incorporated in the upper guide assembly 7.

As shown in FIG. 2, the upper guide assembly 7 mainly includes a main body housing member 10, a wire insertion block 20, a current-carrying body block 30, a guide unit 40, and a nozzle unit 50. The upper guide assembly 7 is provided with a passage 7a through which the wire electrode E passes, and is configured by incorporating the conductor 30a, the wire positioning tool 100, and the coaxial jet nozzle 50a along the passage 7a. That is, the wire electrode E is positioned in the upper guide assembly 7 as required by the wire positioning tool 100 while being in contact with the current-carrying body 30a and being supplied with power, and electric discharge machining is performed while ejecting the machining liquid from the coaxial jet nozzle 50a. .

The wire positioning tool 100 has a pair of divided block-shaped split molds and is generally called a split guide. As shown in FIG. 3, the wire positioning tool 100 is opened in a direction orthogonal to the supply direction of the wire electrode E, that is, in a horizontal direction when the automatic guide device using the pipe guide 60 is connected, and the pipe guide 60 can be inserted. Thus, the connection rate can be improved.

As shown in FIG. 4, the wire positioning tool 100 is formed by assembling each of a pair of divided block-shaped guide main bodies 110 and 120 with the same divided block-shaped divided guide members 130 and 140. In the state in which the pair of guide bodies 110 and 120 are attached together, more specifically in the state in which the pair of guide members 130 and 140 are attached together, the wire electrode E is guided to the intermediate portion of the attachment surfaces 110a and 120a. An insertion hole 150 that is inserted while being formed is formed.

The guide main bodies 110 and 120 are made of a ceramic material such as black zirconia, and as shown in FIGS.
A tapered recess 112 is formed on one edge of one guide body 110, and a similarly tapered protrusion 122 is formed on one edge of the other guide body 120. By fitting 122 together, the attached state of the guide bodies 110 and 120 is formed.

Introducing portions 113 and 123 for introducing the wire electrode E into the insertion hole 150 are formed on the upper side of the middle portion of one edge of the guide main bodies 110 and 120. The introduction parts 113 and 123 reach from the upper surface of the guide main bodies 110 and 120 to a substantially intermediate part in the thickness direction. The introduction portions 113 and 123 have a semi-conical hole shape whose diameter gradually decreases from the top to the bottom, that is, along the direction in which the wire electrode E is introduced.

Deriving portions 114 and 124 for deriving the wire electrode E from the insertion hole 150 are formed on the lower side of the middle portion of one edge of the guide main bodies 110 and 120, and the deriving portions 114 and 124 are formed in the guide main bodies 110 and 120. It reaches from the substantially middle part in the thickness direction to the lower surface. The lead-out portions 114 and 124 have a semi-conical hole shape whose diameter gradually increases along the direction in which the wire electrode E is led out.

In addition, the guide main bodies 110 and 120 have mounting holes for mounting the guide members 130 and 140 between the introducing portions 113 and 123 and the lead-out portions 114 and 124, that is, in the intermediate portions in the thickness direction of the guide main bodies 110 and 120. 115, 125 are formed.

The mounting holes 115 and 125 have the same width as the diameters of the upper ends of the introduction portions 113 and 123 and the diameters of the lower ends of the extraction portions 114 and 124, that is, the maximum diameters of the introduction portions 113 and 123 and the extraction portions 114 and 124. While being set, it extends in parallel with the upper and lower surfaces of the guide bodies 110 and 120, and is formed so as to intersect the introduction direction and the lead-out direction of the wire electrode E.

Here, holes 111 and 121 penetrating from the upper surface to the lower surface are formed in the intermediate portion of the guide main bodies 110 and 120 in the horizontal direction.
That is, returning to FIG. 2 and FIG. 3, the pin 41 fixed to the bottom surface in the guide unit 40 is inserted into the hole 111 of one guide body 110 to fix the position of the guide body 110. A pin 42 configured to be driven in the horizontal direction is inserted into the hole 121 of the other guide main body 120, and the guide main body 120 can move in the horizontal direction as the pin 42 is driven. The mounting holes 115 and 125 extend from the abutting surfaces 110a and 120a to the holes 111 and 121, and the mounting holes 115 and 125 are through holes.

The guide main bodies 110 and 120 use injection molds in more detail than the molds so as to include the introduction parts 113 and 123, the lead-out parts 114 and 124, the mounting holes 115 and 125, and the holes 111 and 121 described above. Are integrally formed.

As shown in FIG. 7, the guide members 130 and 140 are formed in the same shape, and are formed in a ring shape. More specifically, the SUS members 131 and 141 (hereinafter referred to as a C shape) formed in a C shape. The diamond guides 133 and 143 are held between the open ends 132 and 142 of the members 131 and 141). The diamond guides 133 and 143 are a pair of divided block-shaped molds and are made of single crystal diamond. Insertion portions 134 and 144 through which the wire electrode E is inserted are formed on the edges facing the outside of the diamond guides 133 and 143.

A method of assembling the wire positioning tool 100 configured as described above will be described as follows.
That is, as shown in step A of FIG. 8, first, the diamond guide 143 is sandwiched and held by being press-fitted into the open end 142 of the C-shaped member 141. At the time of the press-fitting, an adhesive such as silver solder or a required adhesive is supplied to the ring hole 140a of the C-shaped member 141 to fix the diamond guide 143 to the C-shaped member 141. Then, the upper surface and the lower surface of the guide member 140 into which the diamond guide 143 is press-fitted are polished and surfaced.

Next, as shown in Step B of FIG. 8, the guide member 140 is inserted and mounted in the mounting hole 125 of the guide main body 120 in which the tapered convex portion 122 is formed. This mounting is performed by press-fitting the guide member 140 into the mounting hole 125 with a predetermined jig such as a hand press or a vise so that the abutting surface 120a of the guide main body 120 becomes a flat surface.

Then, as shown in Step C of FIG. 8, silver brazing or required adhesion from the through hole on the side of the hole 121 in the mounting hole 125, that is, from the through hole on the side opposite to the abutting surface 120 a, into the mounting hole 125 with a predetermined jig. The guide member 140 is fixed in the mounting hole 125 by supplying a fixing agent such as an agent.

Subsequently, as shown in Step D of FIG. 9, the diamond guide 133 is sandwiched and held by being press-fitted into the opening end portion 132 of the C-shaped member 131. At the time of the press-fitting, an adhesive such as silver solder or a required adhesive is supplied to the ring hole 130 a of the C-shaped member 131 to fix the diamond guide 133 to the C-shaped member 131. Then, the upper surface and the lower surface of the guide member 130 into which the diamond guide 133 is press-fitted are polished to perform chamfering.

Next, as shown in step E of FIG. 9, the guide member 130 is inserted into the mounting hole 115 of the guide body 110 in which the tapered recess 112 is formed and mounted. This mounting is performed by pressing the guide member 130 into the mounting hole 115 with a predetermined jig so that the guide member 130 slightly protrudes from the abutting surface 110a of the guide body 110.

Then, as shown in Step F of FIG. 10, the convex portions 122 of the guide member 120 and the concave portions 112 of the guide member 110 are brought together through the mating surfaces 110a and 120a while adjusting the positions of the guide members 130 and 140 as required. .

Next, as shown in Step G of FIG. 11, the guide member 110 is pressed by the guide member 120 while fitting the guide body 110 and 120 together by fitting the concave portion 112 and the convex portion 122 together so that the guide member 130 is attached to the mounting hole 115. Press fit into. As a result, the introduction portions 113 and 123 and the lead-out portions 114 and 124 are merged via the abutting surfaces 110a and 120a to form the lead-in holes 160 and the lead-out holes 170 (in this state, the outer sides of the diamond guides 133 and 143). ) Is still closed, and the insertion portions 134 and 144, that is, the insertion holes 150 are not formed).

Then, as shown in Step H of FIG. 12, the guide member 130 is attached to the mounting hole by supplying a fixing agent such as silver solder or a required adhesive into the mounting hole 115 from the through hole on the hole 111 side with a predetermined jig. It sticks in 115.

Subsequently, as shown in Step I of FIG. 13, a through hole is formed by laser processing from the lower end of the introduction hole 160, that is, the upper surface of the diamond guide 133, 143, to the upper end of the outlet hole 170, that is, the lower surface of the diamond guide 133, 143. The insertion portions 134 and 144 for inserting E are formed, that is, the insertion hole 150 is formed.

As described above, according to the present invention, not only the lead-out portions 113 and 123 but also the introduction portions 114 and 124 and the mounting holes 115 and 125 are formed integrally with the guide main bodies 110 and 120, so that the number of parts is reduced and the manufacturing cost is reduced. Can be reduced. Further, since there is little processing for height adjustment and the guide members 130 and 140 can be mounted in the mounting holes 115 and 125 of the guide main bodies 110 and 120, it is necessary to fix them with screws as in the prior art. The manufacturing cost can be further reduced, for example, the efficiency of the manufacturing operation can be improved.

Further, since the guide main bodies 110 and 120 are integrally formed using a mold, the manufacturing cost can be further reduced. That is, conventionally, the guide main body is individually manufactured by cutting with a machine tool using a metal material, and the manufacturing operation is extremely complicated and the manufacturing efficiency is remarkably reduced. Since 110 and 120 can be efficiently manufactured in large quantities using a mold, a significant reduction in manufacturing cost can be achieved. Since the guide bodies 110 and 120 are made of ceramics, they can be easily formed using a mold.

Further, the mounting holes 115 and 125 are formed so as to penetrate from one edge of the guide main bodies 110 and 120 to the holes 111 and 121, and the fixing agent is supplied from the through holes on the holes 111 and 121 side of the mounting holes 115 and 125. Since the guide members 130 and 140 are fixed to each other, the guide members 130 and 140 can be fixed easily, and the manufacturing cost can be further reduced. Can do. Further, the sticking agent hardly leaks from the abutting surfaces 110a and 120a, and the abutting surfaces 110a and 120a need not be processed after the guide members 130 and 140 are secured.

Further, the guide members 130 and 140 are formed in a C shape in more detail than the ring shape having an open end, and the diamond guides 133 and 143 are held between the open end portions 132 and 142. Therefore, it is possible to easily fix the diamond guides 133 and 143 by supplying a fixing agent to the ring holes 130a and 140a formed in the guide members 130 and 140, thereby reducing the manufacturing cost. In addition, the sticking agent rarely leaks from the abutting surfaces 110a and 120a.

Further, according to the present invention, the step of mounting the guide member 140 holding the diamond guide 143 in the mounting hole 125 of one guide body 120 formed with the convex portion 122 of the pair of guide bodies 110, 120; A step of mounting the guide member 130 holding the diamond guide 133 in the mounting hole 115 of the other guide main body 110 in which the concave portion 112 is formed so as to protrude from the abutting surface 110a, and a step in which the convex portion 122 is formed. In a state where the guide member 140 attached to the guide main body 120 and the guide member 130 attached to the other guide main body 110 in which the concave portion 112 is formed are attached through the attachment surfaces 110a and 120a, the convex portion 122 is formed. The other guide body 110 in which the concave portion 112 is formed is pressed by the formed one guide body 120 and the other A step of attaching the protruding portion of the guide member 130 in the guide body 110 is press-fitted into the mounting hole 115, so it was decided to include a can be butted not shift the pair of diamond guides 133, 143. Thereby, it is not necessary to perform the faceting of the abutting surfaces 110a and 120a of the guide main bodies 110 and 120 to which the guide members 130 and 140 are mounted, so that the manufacturing efficiency can be improved and the manufacturing cost can be reduced. Can do.

The present invention can be used for a wire positioning tool, a guide assembly, a wire cut electric discharge machine, and a method for manufacturing a wire positioning tool. Specifically, a wire positioning tool in which a diamond guide is mounted on a pair of divided guide bodies, a guide assembly including the wire positioning tool, a wire-cut electric discharge machine, and a manufacturing method of the wire positioning tool, thereby reducing manufacturing costs. be able to.

E: Wire electrode W: Work piece 1: Wire cut electric discharge machine 2: Base 3: Column 4: Work head 5: Work tank 6: Work table 7: Upper guide assembly 7a: Passage 8: Lower guide assembly 9: Between electrodes 10: Main housing member 20: Wire insertion block 30: Current-carrying body block 30a: Current-carrying body 40: Guide unit 41, 42: Pin 50: Nozzle unit 50a: Coaxial jet nozzle 60: Pipe guide 100: Wire positioning tool 110: Guide body 110a: mating surface 111: hole 112: concave portion 113: introduction portion 114: lead-out portion 115: mounting hole 120: guide body 120a: mating surface 121: hole 122: convex portion 123: introduction portion 124: lead-out portion 125: mounting Holes 130, 140: Guide members 130a, 140a: Ring holes 131, 141: C-shaped part 132, 142: opening end portion 133, 143: Diamond guide 134, 144: insertion unit 150: insertion hole 160: guide hole 170: outlet hole

Claims (7)

A pair of divided guide bodies, a pair of divided diamond guides mounted on the guide bodies and forming insertion holes through which the wire electrodes are inserted with the pair of guide bodies attached together, and the diamond guides A wire positioning tool for positioning the wire electrode, comprising a guide member that is held and mounted on the guide body,
The guide member is attached to the guide body between the introduction portion and the lead-out portion, an introduction portion for introducing the wire electrode into the insertion hole, a lead-out portion for leading out the wire electrode from the insertion hole. The mounting hole is integrally formed ,
The mounting hole extends from and extends through the attachment surface of the guide body, and inserts and attaches the guide member from the attachment surface of the guide body, while being opposite to the attachment surface. Adhesive is supplied from the through hole to fix the guide member,
The guide member is formed in a ring shape having an open end, holds the diamond guide between the open end, and supplies an adhesive to the ring hole of the guide member. Ingredients. The wire positioning tool according to claim 1, wherein the guide body is integrally formed using a mold. The wire positioning tool according to claim 2, wherein the guide body is made of ceramics. A pair of split split-type guide main bodies and a single mounting hole that is attached to the guide main body and that is inserted into the abutting surface while guiding the wire electrode while the pair of guide main bodies are attached to each other. In a wire positioning tool for positioning the wire electrode, comprising a pair of divided block-shaped diamond guides made of crystalline diamond and a guide member that holds the diamond guide and is attached to the guide body,
An introduction part having a hole shape formed so that a diameter gradually decreases along a direction in which the wire electrode is introduced into the guide body, and the wire electrode is introduced from the insertion hole to the wire. The electrode is led out, and the guide member is mounted between the lead-out part and the lead-out part having a hole shape formed so that the diameter gradually increases along the direction in which the wire electrode is led out It is integrally formed with ceramics using a mold so as to include a mounting hole,
The mounting hole is formed to extend from and pass through the attachment surface of the guide body , and to intersect with the introduction direction and the lead-out direction of the wire electrode, and from the attachment surface of the guide body. Insert the guide member and install it while press-fitting , and supply the adhesive from the through hole on the opposite side of the attached surface to fix the guide member,
Further, the guide member is formed in a ring shape having an open end , and is sandwiched and held by press-fitting the diamond guide into the open end , and an adhesive is supplied to the ring hole of the guide member. Characteristic wire positioning tool. In a guide assembly in which a passage through which a wire electrode passes is provided, and an electric current body, a wire positioning tool, and a coaxial jet nozzle are incorporated along the passage,
The wire positioning member, the guide assembly which is characterized in that a wire positioning device of claim 1 to claim 4. A passage through which the wire electrode passes is provided, and along the passage, the wire electrode is supplied between the poles via a guide assembly incorporating a current-carrying member, a wire positioning tool, and a coaxial jet nozzle. In a wire cut electric discharge machine that performs
A wire-cut electric discharge machine, wherein the guide assembly is the guide assembly according to claim 5 . A pair of divided guide bodies, and a pair of divided diamond guides that are attached to the guide bodies and in which insertion holes for inserting the wire electrodes are formed on the abutting surfaces in a state where the pair of guide bodies are associated with each other A guide member that holds the diamond guide and is mounted on the guide body, and a method for manufacturing a wire positioning tool that positions the wire electrode,
The guide member is attached to the guide body between the introduction portion and the lead-out portion, an introduction portion for introducing the wire electrode into the insertion hole, a lead-out portion for leading out the wire electrode from the insertion hole. The mounting hole is integrally formed , and the mounting hole is formed so as to extend through the abutting surface of the guide main body, and the guide member is formed in a ring shape having an open end,
Holding the diamond guide across the opening end of the guide member; and
Supplying an adhesive to the ring hole of the guide member;
A step of inserting and attaching a guide member holding the diamond guide into the attachment hole of one of the pair of guide main bodies from the attachment surface ; and
In the mounting hole, supplying the adhesive from the through hole on the opposite side of the attachment surface, and fixing the guide member;
Mounting the guide member holding the diamond guide in the mounting hole of the other guide body so as to protrude from the attachment surface;
In a state where the guide member mounted on the one guide body and the guide member mounted on the other guide body are brought into contact with each other via the attachment surface, the other guide body is moved by the one guide body. A step of pressing and mounting the protruding portion of the guide member in the other guide body into the mounting hole of the other guide body; and
The manufacturing method of the wire positioning tool characterized by including.

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