JPH0877847A - Manufacture of aggregated insulated wire - Google Patents

Abstract

PURPOSE: To provide the above cable which is excellent in work efficiency at coil processing and is free of internal appearance such as wire breaking, foaming, etc., applying coating to bond the fellow element wires to each of a plurality of insulated cables, and then, performing specified processing so as to form it effectively. CONSTITUTION: Preferably seven insulated cables 2 the same in diameter are used. A plurality of insulated cable element wires 2 are drawn out of a bobbin 2, and preferably after adjustment of tension with a tension adjuster 3, the coating to bond the fellow element wires is applied to each of the element wires 2 with a coater 5. Next, they are sent into a collecting die 6, and are bundled in roughly round shape in parallel with the longitudinal direction, and also superfluous coating is removed and they are united, and then they are sent in a hardening furnace 7 and are hardened and molded there. Preferably, as the coating to bond the fellow element wires, coating for a cable or insulating coating for a cable, or fusing coating for a cable, or a lubricant coating for a cable is used.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a collective insulated wire. More specifically, it can be manufactured by a simple process that does not require complicated processes such as twisting, and since the wires are in close contact with each other, workability during coil processing is excellent,
In addition, since the conductor occupancy rate is small even if self-bonding and self-lubricating properties are given, it is effective in reducing the heat generation of the coil, and there is little appearance failure such as wire breakage and foaming, and less variation in the finished outer diameter. The present invention relates to a manufacturing method of.

[0002]

2. Description of the Related Art In windings used for high frequency coils such as deflection coils for displays and transformers, insulated wires having a small diameter are used in order to suppress loss such as heat generation. However, in the method of winding a large number of thin wires, there are problems that the number of wires fed out is large and the wires are easily broken. Therefore, a collective insulated electric wire such as a bundled electric wire in which 2 to 5 thin wires are wound in parallel on a bobbin or a Litz wire formed by twisting a large number of element wires has been developed. However, since the bundled electric wires are not connected to each other, the problem of disconnection cannot be solved. For this reason, a litz wire in which many strands are twisted together is widely used. Especially for display deflection yokes,
Although a single wire with a conductor diameter of 0.4 to 0.3 mm was mainly used, large current and high frequency current have come to be used with the increase in size and definition of the display. Litz wire with a conductor diameter of φ0.2 to 0.1 mm has been widely used.

However, as shown in FIG.
In the case of a litz wire obtained by simply twisting the insulated electric wire element 2 in which the insulating layer 17 is formed on 6, since the element wires 2 are not bonded to each other, the twisting is likely to be loose, and the wire that is raised during coil processing or yoke assembly is caught. It often breaks. Also,
As shown in FIG. 10, a self-bonding insulated wire element or a self-lubricating insulated wire element in which a fusion-bonding layer 20 or a lubricating layer 21 is further formed on the surface of an insulating layer 17 is self-bonding or self-lubricating. In the flexible litz wire, the fusion layer 20 or the lubricating layer 21 occupies a large area in the cross section of the assembly line, so that there is a problem that the conductor occupancy rate decreases and the ohmic resistance increases.

In order to improve this, as shown in FIG. 11, a litz wire in which a wire coating material 22 is impregnated and cured after twisting has been developed. In this litz wire, there is almost no disconnection because each strand 2 is bonded. In addition, FIG.
As shown in FIG.
In the self-bonding or self-lubricating Litz wire formed with the above, the reduction of the conductor occupancy is small, and it is effective in reducing the heat generation amount of the coil. In addition, in the method of impregnating the twisted wire with a paint and curing it, it is pointed out that defective air is left inside the twisted wire due to poor impregnation, and appearance defects such as foaming and disconnection due to this tend to occur. , For example, JP-A-6
1-16420 discloses a method of impregnating a low viscosity paint. However, these aggregated electric wires have a drawback that the processing cost increases because a complicated process of forming an insulated electric wire element, twisting it, and impregnating and hardening the coating material is required.

On the other hand, Japanese Patent Application Laid-Open No. 2-181310 discloses that
There is disclosed a self-fusion-bonded insulated insulated wire in which the self-fusion-bonded insulated wire strands 2 shown in 3 are bundled in parallel in the longitudinal direction, and the strands are fused together. Since this assembled electric wire does not require twisting, the processing cost can be reduced. However, for example, a thin wire with a conductor diameter of about 0.10 is usually manufactured by the felt drawing method, but since the fusion paint for felt drawing is generally low in concentration, it is possible to obtain a fusion wire having a thickness capable of obtaining sufficient fusion property. A very large number of coatings are required to form the coating layer. For this reason, a thin wire self-fusing insulated electric wire generally has a high cost, and as a result, this collective electric wire also has a high cost. In addition, it is impossible to suppress the reduction of the conductor occupancy rate with this collective insulated wire.

Further, as an insulated wire for solving this drawback, there is disclosed in Japanese Utility Model Laid-Open No. 61-36944 and Japanese Patent Laid-Open No. 1-272007.
As shown in FIG. 14, a self-bonding aggregate insulated wire in which insulated wires 2 are bundled in parallel with each other in the longitudinal direction and the wires are adhered to each other, and a fusion layer 20 is arranged on the outer periphery, is shown in FIG. It is disclosed. This aggregated electric wire has almost no disconnection because the individual wires are adhered to each other. Further, since the fusion bonding layer is provided only on the outer circumference of the collective electric wire, the conductor occupancy rate is small and it is effective in reducing the heat generation amount of the coil. Further, in the case of a thin wire, an expensive self-fusion-insulated insulated electric wire element wire is not used, and a complicated process such as twisting is not required, so that a collective electric wire can be manufactured at low cost. However, conventionally, such an aggregate insulated wire has been manufactured by a method in which the wires are bundled and then impregnated with the paint and cured, so that the paint is not easily impregnated, and air remains inside the aggregate wire and foams during curing. Or, because the adhesive force between the wires before curing the paint is small, the outer shape collapses,
There is a drawback that the finished outer diameter varies. In addition, the method of using a low-viscosity paint to replace air or the method of impregnating with a solvent has a problem that the finished outer shape also varies due to a small adhesive force between the wires.

[0007]

DISCLOSURE OF THE INVENTION The present inventors have solved the above-mentioned drawbacks, did not require a complicated process such as twisting, and because the wires are closely attached to each other, workability during coil processing is improved. In addition, it provides a method for manufacturing a collective insulated wire that has a low conductor occupancy rate even if it is provided with self-bonding property and self-lubricating property, and has less appearance defects such as disconnection and foaming and less variation in finished outer diameter. is there. That is, according to the present invention, each of the plurality of insulated wire wires is coated with a paint that bonds the wires together, and then bundled into a substantially circular shape in parallel with the longitudinal direction, and excess paint is removed by die drawing and integrated. The present invention also provides a method of manufacturing an assembled insulated electric wire, which is characterized in that it is then cured and formed.

[0008]

According to the method of manufacturing an assembled insulated electric wire of the present invention, the coating material for adhering the wires to each other is applied before the wires are bundled, so that the inside of the assembled wire in which the plurality of wires are bundled is applied. Is completely filled with the paint. Therefore, air does not remain inside the assembly line, and appearance defects such as foaming are unlikely to occur during curing. Further, since the adhesive force between the wires before the coating is cured is strong, the outer shape is unlikely to collapse, and the finished outer shape is stable. Further, according to the present invention, it is possible to manufacture in a simple process that does not require a complicated process such as twisting, and since the wires are in close contact with each other, workability during coil processing is excellent, and self-bonding and self-bonding Provided is a method for manufacturing a collective insulated wire, which is effective in reducing the heat generation amount of a coil because the reduction of the conductor occupancy rate is small even if lubricity is imparted, and in which appearance defects such as disconnection and foaming and variation in finished outer shape are small.

[0009]

EXAMPLES The present invention will be described in more detail with reference to the embodiments of the present invention. FIG. 1 is a process chart showing an example of a manufacturing method of the invention. Insulated wire strands 2 independently fed from a bobbin 1 have their tensions adjusted by a tension adjusting device 3, and then a coater via a guide pulley 4. At 5, a paint (varnish) for bonding the wires to each other is applied. The strands 2 to which the coating material is applied are sent to a collecting die 6, where they are bundled in parallel with each other in the longitudinal direction, excess coating material is removed, cured and molded in a curing furnace 7, and wound up by a winder 8. .

The wire 2 is usually fed from the bobbin 1, but if it is directly fed from the manufacturing process of the insulated wire as shown in FIG. 2, the process can be further simplified and the productivity can be greatly enhanced. That is, the conductor 10 fed from the bobbin 9 is applied with an insulating paint (varnish) by the coater 12 through the guide pulley 11 and is cured by the curing furnace 13, and then is tension-adjusted by the tension adjusting device 15 through the guide pulley 14. After that, the insulated wire is guided to the coater 5 as the insulated wire 2, and the same process as above is performed to obtain a collective insulated wire. Further, it is preferable that the tension of each of the strands is adjusted independently before being integrated with the assembly die, because the finished outer diameter is stable.

Various kinds of enamel electric wires, extruded coated electric wires, inorganic insulating electric wires and the like can be used as the insulated electric wire 2. Usually, polyurethane, polyurethane imide is used on a conductor such as copper, copper alloy, aluminum or aluminum alloy. , Insulated wires baked with insulating paint whose main component is polyester, polyester imide, polyester amide, polyester amide imide, polyamide imide, polyamide, polyimide, polyether imide, polyvinyl formal, polyhydantoin, polyhydantoin ester . Also, as the shape of the conductor, a wire having a polygonal cross-section such as a rectangular wire can be used, but normally,
A wire having a circular cross section is used. In particular, for the deflection yoke coil, an insulated wire in which a thermosetting resin selected from polyurethane, polyurethane imide, polyester, polyester imide, polyester amide, polyester amide imide, or polyamide imide is baked on a copper wire having a circular cross section is suitable.

As the paint for bonding the wires to each other, it is preferable to use a paint that can obtain a sufficient adhesive force between the wires and does not impair the characteristics of the insulated wire and that is hardened by baking. As the paint that is hardened by baking, there are an insulating paint, a fusing paint, and a lubricating paint that are generally used for electric wires. Here, the fusing paint or the lubricating paint means a paint forming a fusing layer or a lubricating layer, respectively. In addition, a resin not usually used for electric wires, for example, a coating material in which a material having a maximum elongation of 10% or less and which easily causes craze when used as a film on the outer circumference of the electric wire is dissolved in an organic solvent or the like can be used. Among these, the most preferable are the paints generally used for electric wires, and the electric wire paints made of a thermoplastic resin are most preferable.

As the insulating paint, a paint containing polyurethane, polyurethane imide, polyester, polyester imide, polyester amide, polyester amide imide, polyamide imide, polyvinyl formal, polyhydantoin, polyhydantoin ester as a main component, or polyimide or polyether. Examples include paints containing a thermoplastic resin as a main component such as imide, polyester imide, polyamide, polyamide imide, and polyester amide imide, and these may be used alone or in combination of two or more. As the fusing paint, a paint containing a thermoplastic resin such as polyamide, polyvinyl butyral, polysulfone, polyether sulfone, epoxy, or phenoxy as a main component is generally used, and these may be used alone or in combination of two or more kinds. As the lubricating coating, a coating containing a thermoplastic resin such as polyamide as a main component is generally used, and these are used alone or in combination of two or more kinds. Among these, electric wire paints containing one or more thermoplastic resins such as polyamide, polyvinyl butyral, polysulfone, polyether sulfone, epoxy and phenoxy as main components are particularly suitable.

The temperature at which the coating material for bonding the wires to each other is applied varies depending on the coating material.
100 ° C, preferably 20-80 ° C, most preferably 3
A temperature of 0 to 60 ° C is suitable. At a low temperature of less than 20 ° C., the viscosity of the coating material is too high, so that conductor elongation is likely to occur. Also, 1
At temperatures higher than 00 ° C, the viscosity increases due to the volatilization of the solvent, and the characteristics of some paints may change due to gelation or unloading.

The viscosity of the coating material for bonding the wires to each other is 0.5 to 200 poise at the coating temperature, preferably 1
-100 poises, more preferably 5-20 poises are suitable. In the case of a low-viscosity paint having a porosity of less than 0.5 poise, the adhesive strength between the wires before the paint is cured is small, so that the finished outer diameter of the aggregated electric wire tends to vary. In addition, a high-viscosity coating material exceeding 200 poise has a large resistance when passing through the assembly die, and thus line elongation easily occurs. As the concentration of paint,
5 to 80% by weight is preferable, and 10 to 60% by weight is particularly preferable. If the paint concentration is less than 5% by weight, the adhesive strength between the wires before the paint is cured is small, and the finished outer shape of the aggregated electric wire varies. If the coating concentration is higher than 80% by weight, it becomes difficult to control the porosity to 200 poise or lower at 100 ° C. or lower.

Any method may be used as a method of applying the coating material for bonding the wires to each other. For example, a method of applying each wire with a coater such as a roll coater or a method of dipping the wires into a paint tank. Alternatively, there is a method of dropping paint on each element wire.

The assembly die is not particularly limited, but a general sapphire die or diamond die can be used. The die diameter may be greater than or equal to the maximum outer diameter when the wires are bundled in a substantially circular shape, but it is preferably the same outer diameter or more and 0.05 mm or more larger than the outer diameter, especially the conductor occupancy rate is reduced. In order to prevent this, a size equal to or larger than the same outer diameter and 0.3 mm larger than the outer diameter is preferable.

According to the manufacturing method of the present invention, as shown in FIG. 3, a plurality of insulated wire elements 2 each having an insulating layer 17 formed on the outer periphery of a conductor 16 are bundled in parallel with each other with an adhesive layer 18 in the longitudinal direction and cured and integrated. 4 to produce the aggregated electric wire 19
As shown in FIG. 7, by further applying and baking the coating material on the outer periphery thereof, it is possible to manufacture a self-bonding or self-lubricating collective insulated wire having the fusion layer 20 or the lubricating layer 21 on the outer periphery. The outer peripheral fusing layer 20 or the self-lubricating layer 21 may be formed in a substantially circular shape on the entire outer periphery of the collective electric wire as shown in FIG. 4, or may be formed in a substantially polygonal shape as shown in FIG. Alternatively, as shown in FIG. 6, it may be formed in a petal shape along the outer circumference of the collective electric wire.

As a first method of forming such an adhesive layer or a lubricating layer, a fusion paint or a lubricant paint is used as a paint for adhering the wires to each other, and the paint adhesion amount is adjusted by the paint concentration and the aggregate die diameter. Then, there is a method of integrally forming and forming a fusion layer or a lubricating layer. As a second method for forming the fusion layer or the lubrication layer, there is a method in which a collective electric wire is prepared by the production method of the present invention, and then the fusion coating or the lubrication coating is applied and cured on the outer periphery thereof. At this time, the paint for bonding the wires to each other may be the same as or different from the paint to be applied and hardened on the outer circumference. The above-mentioned paint can be used as the fusing paint or the lubricating paint.

Although there is no particular limitation on the number and the outer shape of the unitary wires, as shown in FIG. 7, one elemental wire 2a is used as a center line, and a plurality of outer diameters around the center line are used. A structure in which the strands 2b of the same diameter are densely arranged to form the aggregated insulated wire 19 is preferable because the finished size is stable. In particular, as shown in FIG. 8, a collective insulated electric wire 1 composed of seven wires 2 having the same outer diameter
The case of 9 is most preferable.

Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.

Example 1 Seven insulated wires having an outer diameter of 0.17 mm were used as strands to manufacture a collective insulated wire by the process shown in FIG. As the paint for bonding the wires to each other, a commercially available F type ester imide insulating paint for electric wires was used. The baking conditions were the appropriate conditions for the insulating paint. The assembled insulated electric wire of this example had a cross section as shown in FIG. 3, and no defective appearance was observed. In addition, Table 1 shows the results of measuring the finished outer diameter of the obtained insulated insulated wire at 5 locations per 1 m. Finished outer diameter is JIS C 3
The minimum value on the same plane perpendicular to the conductor axis was used by using the micrometer specified in 003. As shown in Table 1, the outer diameter was stable.

Example 2 The insulated insulated wire was prepared in the same manner as in Example 1 except that the paint for adhering the wires to each other was changed to a commercially available polyamide fusion paint for electric wires, and the baking conditions were changed to the appropriate conditions for the paint. Was manufactured. The assembled insulated electric wire of this example had a cross section as shown in FIG. 3, and no defective appearance was observed. The finished outer diameter of the obtained insulated insulated wire was measured by the same method as in Example 1. The results are shown in Table 1. As shown in Table 1, the outer diameter was stable.

Example 3 A collective insulated wire was prepared in the same manner as in Example 1 except that the paint for bonding the wires to each other was changed to a commercially available polyamide lubricating paint for electric wires, and the baking conditions were changed to the appropriate conditions for the paint. Manufactured. The assembled insulated electric wire of this example had a cross section as shown in FIG. 3, and no defective appearance was observed. Further, the finished outer diameter of the obtained assembled electric wire was measured by the same method as in Example 1. The results are shown in Table 1. As shown in Table 1, the outer diameter was stable.

Example 4 First, a collective insulated wire was manufactured in the same manner as in Example 1.
Further, the polyamide fusion-bonding paint used in Example 2 was applied and baked on the outer periphery of this assembly wire three times under appropriate conditions of this paint to produce a self-bonding insulated insulated wire. The self-fusing assembly insulated wire of this example had a cross section as shown in FIG. 5, and no defective appearance was observed. Further, the finished outer diameter of the obtained assembled electric wire was measured by the same method as in Example 1. The results are shown in Table 1. As shown in Table 1, the outer diameter was stable.

Example 5 In the same manner as in Example 4 except that the fusion paint was changed to the polyamide lubricating paint used in Example 3 and the baking conditions of the paint were changed to the proper conditions for this paint, Lubricated aggregate insulated wire was manufactured. The self-lubricating collective insulated wire of this example had a cross section as shown in FIG. 5, and no defective appearance was observed. Further, the finished outer diameter of the obtained assembled electric wire was measured by the same method as in Example 1. The results are shown in Table 1. As shown in Table 1, the outer diameter was stable.

Comparative Example 1 An assembled insulated electric wire was manufactured by the process shown in FIG. 15 using the materials and conditions used in Example 1. A large number of foams were found in the assembled insulated electric wire of this comparative example. Further, the finished outer diameter of the obtained assembled electric wire was measured by the same method as in Example 1.
The results are shown in Table 1. As shown in Table 1, variations in outer diameter were observed.

Comparative Example 2 An assembled insulated electric wire was manufactured by the process shown in FIG. 15 using the materials and conditions used in Example 2. A large number of foams were found in the assembled insulated electric wire of this comparative example. Further, the finished outer diameter of the obtained assembled electric wire was measured by the same method as in Example 1.
The results are shown in Table 1. As shown in Table 1, variations in outer diameter were observed.

Comparative Example 3 An attempt was made to manufacture a collective insulated wire in the same manner as in Comparative Example 1 and to coat and bake the polyamide fusion paint used in Example 2 on the outer periphery of the collected insulated wire. Due to variations, the wire was broken, and a self-bonding insulated insulated wire could not be obtained.

[0030]

[Table 1]

[0031]

As described above, according to the manufacturing method of the present invention, the paint for bonding the wires to each other is applied before the wires are bundled, so that the paint is completely filled inside the assembly wire bundled with the wires. To be done. As a result, since the wires are in close contact with each other, workability during coil processing is excellent, and even if a fusion layer or a lubrication layer is provided, the conductor occupancy rate does not decrease, and there is little foaming or disconnection. It can be manufactured inexpensively and easily without using twisting or complicated steps.

[Brief description of drawings]

FIG. 1 is a process drawing showing an embodiment of a manufacturing method of the present invention.

FIG. 2 is a process drawing showing another embodiment of the manufacturing method of the present invention.

FIG. 3 is a schematic diagram showing a collective insulated wire obtained by the manufacturing method of the present invention.

FIG. 4 is a schematic view showing an assembled insulated electric wire obtained by the manufacturing method of the present invention.

FIG. 5 is a schematic view showing an assembled insulated electric wire obtained by the manufacturing method of the present invention.

FIG. 6 is a schematic view showing an assembled insulated electric wire obtained by the manufacturing method of the present invention.

FIG. 7 is a schematic view showing an aspect of integration of the strands in the manufacturing method of the present invention.

FIG. 8 is a schematic diagram showing an aspect of integration of the strands in the manufacturing method of the present invention.

FIG. 9 is a schematic diagram showing a conventional litz wire.

FIG. 10 is a schematic diagram showing a conventional self-bonding or self-lubricating Litz wire.

FIG. 11 is a schematic diagram showing a conventional self-bonding or self-lubricating Litz wire.

FIG. 12 is a schematic diagram showing a conventional self-bonding or self-lubricating Litz wire.

FIG. 13 is a schematic view showing a conventional self-bonding insulated insulated wire.

FIG. 14 is a schematic view showing a conventional self-bonding insulated insulated wire.

FIG. 15 is a schematic view showing a conventional method of manufacturing an insulated insulated wire.

[Explanation of symbols]

1 Bobbin 2 Insulated Wire Element 3 Tension Adjuster 4 Guide Pulley 5 Coater 6 Assembly Die 7 Curing Furnace 8 Winder 9 Bobbin 10 Conductor 11 Guide Pulley 12 Coater 13 Curing Furnace 14 Guide Pulley 15 Tension Adjuster 16 Conductor 17 Insulation Layer 18 Layer for Bonding Wires 19 Collective Electric Wire 20 Fusion Layer 21 Lubrication Layer 22 Paint Layer for Electric Wire

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[Procedure amendment]

[Submission date] October 24, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction content]

The temperature at which the coating material for bonding the wires to each other is applied varies depending on the coating material.
100 ° C, preferably 20-80 ° C, most preferably 3
A temperature of 0 to 60 ° C is suitable. At a low temperature of less than 20 ° C., the viscosity of the coating material is too high, so that conductor elongation is likely to occur. Also, 1
Together at a high temperature exceeding 00 ° C. thicken due to volatilization of the solvent, depending on the coating is one that changes the characteristics due to gelation or Kaikasane case.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction content]

The assembly die is not particularly limited, but a general sapphire die or diamond die can be used. The die diameter may be greater than or equal to the maximum outer diameter when the wires are bundled in a substantially circular shape, but it is preferably the same outer diameter or more and 0.05 mm or more larger than the outer diameter, especially the conductor occupancy rate is reduced. In order to prevent them, the outer diameter should be the same or more than 0. It is preferable that the size is not larger than 03 mm.

[Procedure 3]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

FIG.

[Procedure amendment 4]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 2

[Correction method] Change

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[Procedure amendment]

[Submission date] April 17, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

[0007]

DISCLOSURE OF THE INVENTION The present inventors have solved the above-mentioned drawbacks, did not require a complicated process such as twisting, and because the wires are closely attached to each other, workability during coil processing is improved. Provided is a method for producing a collective insulated wire which is excellent in heat resistance, has a small decrease in the conductor occupancy rate even if self-bonding property and self-lubricating property are imparted, and has less appearance defects such as disconnection and foaming and less variation in finished outer diameter. It is a thing. That is, according to the present invention, each of the plurality of insulated wire wires is coated with a paint that bonds the wires together, and then bundled into a substantially circular shape in parallel with the longitudinal direction, and excess paint is removed by die drawing and integrated. The present invention also provides a method of manufacturing an assembled insulated electric wire, which is characterized in that it is then cured and formed.

Claims (10)

[Claims] 1. A plurality of insulated wires are coated with a paint for bonding the wires to each other, and then bundled into a substantially circular shape in parallel with the longitudinal direction, and excess paint is removed by die drawing and integrated. After that, a method for producing an assembled insulated electric wire, characterized by comprising curing and molding. 2. The method for producing an assembled insulated electric wire according to claim 1, wherein a paint for electric wires is used as the paint for adhering the wires together. 3. The method for producing an assembled insulated electric wire according to claim 1, wherein an insulating paint for electric wires is used as the paint for bonding the wires together. 4. The method for producing a collective insulated electric wire according to claim 1, wherein a fusion paint for electric wires is used as the paint for adhering the wires together. 5. The method for producing an assembled insulated electric wire according to claim 1, wherein a lubricant paint for electric wires is used as a paint for adhering the wires together. 6. The manufacturing method according to claim 1, wherein
A method for producing a collective insulated wire, which comprises curing and molding, and further applying and curing an insulating paint to form an insulating layer on the outer periphery of the collective wire. 7. The manufacturing method according to claim 1, wherein
A method for producing an aggregated insulated wire, which comprises forming a fusion layer by curing and molding or further forming an insulation layer, and then applying and curing a fusion coating material. 8. The manufacturing method according to claim 1, wherein
A method for producing a collective insulated wire, comprising forming a lubricating layer by applying a lubricant coating and curing after curing and molding or further forming an insulating layer. 9. The method for producing a collective insulated wire according to claim 1, wherein seven insulated wires having the same outer diameter are used as the wires. 10. The method for producing a collective insulated electric wire according to claim 1, wherein after the insulated electric wire is manufactured, the insulated electric wire is continuously supplied as a collective insulated electric wire without being wound around a bobbin or the like.