JPH10334753A - Manufacture of flat cable and its equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the manufacturing method of a flat cable and its equipment, making high speed production possible, with high dimensional accuracy in a conductor exposed part, and high quality. SOLUTION: A plurality of conductors 2 arranged in a line are interposed from top and bottom at the specified intervals between two films 4 which are supplied from a film supplying machine 3, cut with a cutter 12, held with a film holding machine 5, and the conductors 2 are conveyed synchronously in the transfer direction with two films 4, they are passed through between heat forming rolls 6 together with insulating base materials 1a, 1b, whose one surface is coated with an adhesive, interposing the films from the top and bottom, they are heated, and pressed to heat bond the conductors 2 and the insulating base materials 1a, 1b, the interposed part of the film 4 is cut and stripped off together with the insulating base materials 1a, 1b with an insulating base material stripping machine 7, the unnecessary parts on both sides of the insulating base materials 1a, 1b are cut with a cutting machine 8, then removed to form a flat cable 10 with a conductor exposed part 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for manufacturing a flat cable formed by sandwiching and fixing a plurality of conductors between insulating base materials, used for various electronic devices. .

[0002]

2. Description of the Related Art A conventional flat cable manufacturing method is disclosed in, for example, Japanese Patent Application Laid-Open No. 3-187109. This flat cable manufacturing method will be described below with reference to the drawings.

FIG. 8 is a perspective view of a main part showing a configuration of a flat cable, and FIG. 9 is a perspective view of a main part for explaining a conventional flat cable manufacturing method and apparatus.

[0004] As shown in Fig. 8, as an example of a flat cable, a plurality of continuous thin plate-like or linear conductors 2 made of a metal material such as copper, brass, or aluminum are arranged in parallel in a longitudinal direction at predetermined intervals. And a continuous film-like insulating base material 1a, 1b made of polyamide, polyester, polyethylene terephthalate or the like coated with an adhesive such as a hot-melt type on inner surfaces facing each other. After pressing each on the adhesive side, pressurizing,
The flat cable 10 has a conductor exposed portion 9 which is heated and fused, and a part of which is removed by cutting or peeling off the insulating base materials 1a and 1b.

In FIG. 9, reference numerals 1a and 1b denote insulating substrates each having the above-described adhesive applied to one surface thereof, 2 denotes a plurality of conductors, and 46 denotes a plurality of insulating substrates between the insulating substrate 1a and the insulating substrate 1b. A rotatable pair of thermoforming rolls for sandwiching and passing the conductors 2, pressurizing, heating and heat-sealing.

Reference numerals 44a and 44b denote holes formed in the insulating bases 1a and 1b in a predetermined shape at predetermined intervals, reference numerals 43a and 43b denote processing portions for forming the holes 44a and 44b in the insulating bases 1a and 1b, and reference numeral 48 denotes an insulating part. A cutting machine for cutting and removing both side edges of the unnecessary insulating base materials 1a and 1b after the base materials 1a and 1b and the conductor 2 are thermally fused, respectively, and 45 denotes the insulating base materials 1a and 1b.
And rollers for regulating the guide provided on the traveling route of
Is a conductor exposed portion of the flat cable 10 described above.

Next, the operation will be described. First, square holes 44a and 44b are punched at predetermined intervals in the two insulating bases 1a and 1b by processing portions 43a and 43b, and then the holes 44a and the insulating base 1b of the insulating base 1a are formed. The holes 44b are aligned and conveyed, and a plurality of conductors 2 arranged at a predetermined interval between the insulating base material 1a and the insulating base material 1b are sandwiched in the longitudinal direction and passed between the pair of thermoforming rolls 46. By applying pressure and heating, the adhesive applied to the insulating base material is melted, and the insulating base materials 1a and 1b are fixed to the plurality of conductors 2.

Thereafter, unnecessary side edges of the insulating base materials 1a and 1b are cut and removed by a cutting machine 48 to remove the conductor exposed portions 9a.
This is a manufacturing method for completing a predetermined flat cable 10 with a tag.

[0009]

However, in the conventional manufacturing method and the conventional apparatus, since the distance from the processing portions 43a and 43b for making the holes 44a and 44b to the pair of thermoforming rollers 46 is long, the insulating base material is not provided. 1a and 1b are stretched and shrunk, and the stress and heat generated by the thermoforming rolls 46 cause stress on the insulating base materials 1a and 1b, resulting in poor dimensional accuracy of the conductor exposed portion 9. Had.

The present invention is intended to solve the above-mentioned conventional problems, and is intended to provide a high-quality flat cable which can be produced at a high speed without being affected by expansion and contraction of a base material, and has good dimensional accuracy of a conductor exposed portion. It is an object of the present invention to provide a manufacturing method and an apparatus therefor.

[0011]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a method and an apparatus for manufacturing a flat cable according to the present invention are arranged such that conductors are sandwiched from both sides of a plurality of conductors arranged and supplied at predetermined intervals. Are supplied at predetermined intervals, and two insulating substrates each having an adhesive applied to one side thereof are sandwiched in such a manner that the adhesive applied surfaces face each other and sandwich the conductor in the longitudinal direction. Or a plurality of conductors that are supplied arranged at predetermined intervals,
After affixing film pieces of a predetermined size at a predetermined interval to the bonding surface of the two insulating base materials coated with an adhesive on one side, the film pieces are matched, and the adhesive-coated surfaces face each other, and the conductor is longitudinally aligned. Nipping and transporting, and then, while transporting the insulating substrate holding the conductor, passing through the thermoforming roll, pressurizing the adhesive applied to the insulating substrate, heating and melting it to form the insulating substrate. Fix the conductor, then cut and peel off the insulating base material of the sticking part of the film piece to form a conductor exposed part, and
When a flat cable is formed by cutting and removing both side strips of unnecessary insulating base material, after passing through a thermoforming roll, a sensor detects the portion of the insulating base material to which the film piece is attached and performs a comparison operation. The present invention provides a method and apparatus for manufacturing a flat cable having a configuration in which feedback control is performed to a material feed roller driving unit.

According to the present invention, high-speed production of a high-quality flat cable is possible without affecting the expansion and contraction of the insulating base material, the dimensional accuracy of the exposed conductor portion is good, and the productivity can be improved.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first aspect of the present invention, two films having a predetermined size are sandwiched at predetermined intervals on both surfaces of a plurality of conductors arranged and supplied at predetermined intervals. The adhesive was applied to one side so that the adhesive-coated surfaces faced each other and sandwiched the conductor.
A sheet of insulating base material is supplied, and then the film holding the conductor is conveyed in synchronization with the transport direction of the conductor. The insulating base material and the conductor are fixed by melting the adhesive applied to the material, and then the insulating base material of the portion sandwiched by the film is cut and peeled to form a conductor exposed portion, and further unnecessary portions are formed. This is a method for manufacturing a flat cable in which both side bands of an insulating base material are cut and removed, and has an effect of improving dimensional accuracy of a conductor exposed portion.

According to a second aspect of the present invention, there is provided a conductor supply unit for supplying a plurality of conductors arranged at a predetermined interval, and two films of a predetermined size sandwiching the conductors at a predetermined interval are supplied to both sides. Adhesive was applied to one side of the film feeder so that the adhesive applied surfaces faced each other and sandwiched the conductor.
An insulating substrate supply unit for supplying a sheet of insulating substrate, a movable film holding machine for transporting the film holding the conductor in synchronization with a transport direction of the conductor, and the insulating substrate holding the conductor held between the films A pair of thermoforming rolls that press and heat while transporting the material to melt the adhesive applied to the insulating base material and fix the insulating base material to the conductor, and cut the insulating base material at the portion sandwiched by the film It is a flat cable manufacturing device composed of an insulating base material stripping machine that peels off and a cutting machine that cuts and removes both side bands of unnecessary insulating base material.
This has the effect that the dimension of the exposed conductor can be easily set.

According to a third aspect of the present invention, a film piece having a predetermined size is adhered at a predetermined interval to two insulating base materials each having an adhesive applied to one surface thereof, and the surfaces of the insulating base materials to which the adhesive is applied face each other. And the film pieces are supplied so as to match with each other, and a plurality of conductors arranged and supplied at predetermined intervals are pressed and heated while being conveyed while being sandwiched and transported in the longitudinal direction by the insulating base material. The applied adhesive is melted to fix the insulating base material and the conductor, and then the affixed portion of the film piece of the insulating base material is cut and peeled to form a conductor exposed portion. This is a method of manufacturing a flat cable that cuts and removes both side band portions, and has an effect of improving dimensional accuracy of a conductor exposed portion.

According to a fourth aspect of the present invention, there is provided a supply unit for supplying two insulating substrates each having an adhesive applied to one side thereof, and a film for attaching a film piece having a predetermined size at a predetermined interval to the adhesive applied side. Adhesive part, a supply part that supplies a plurality of conductors arranged at a predetermined interval, an adhesive-coated surface of the insulating base material that is conveyed by a feed roller and matches the film pieces via a dancer roller and a roller. A pair of thermoforming rolls, thermoforming, which face each other, pinch and transport the conductor in the longitudinal direction, pass it through, pressurize and heat it to melt the adhesive applied to the insulating base material and fix the insulating base material and the conductor A sensor that detects a piece of film attached to the insulating base material that has passed through the roll, an insulating base material that cuts and removes both side bands of the insulating base material that are unnecessary as well as cutting and peeling of the attached portion of the insulating base material. Peeled part, finished flat cable And a flat cable manufacturing device configured to receive the output signal of the sensor as input, compare with a preset pulse, calculate, and control the feed roller for conveyance with the output signal. This has the effect that the cutting and peeling points are corrected and the dimensional accuracy of the exposed conductor is improved.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the same components described in the related art are given the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIG. 1 is a perspective view of an essential part for explaining a method and an apparatus for manufacturing a flat cable according to an embodiment of the present invention, and FIG. 2 is a perspective view of an essential part of processing of the flat cable. .

In FIGS. 1 and 2, reference numerals 1a and 1b denote insulating substrates each having an adhesive (not shown) such as a hot-melt type applied on one surface, 2 a conductor, and 4 a resin material or the like. The two films 4 have a predetermined length and width so as to sandwich the conductor 2 from above and below at predetermined intervals and to prevent the conductor 2 and the insulating base materials 1a and 1b from being heat-sealed. They are set to match each other.

Reference numeral 3 denotes a film feeder for supplying two films 4, 12 a cutter for cutting the two films 4 into a predetermined length, and 6 a plurality of cutters between the insulating base 1a and the insulating base 1b. A pair of thermoforming rolls rotatable in synchronism with each other in the opposite direction for pressing, heating and heat fusing while holding the conductor 2;
Is an insulating substrate stripper that cuts the insulating substrate 1a, 1b at the portion where the film 4 is sandwiched, makes a cut 13, and then peels off the portion.

Reference numeral 5 denotes a film holding machine for holding and transporting the film 4. After holding the film 4, the film 4 is cut by the cutter 12, and then the two cut films 4 are held and transported in the same manner as the conductor 2. The film is transported between the thermoforming roll 6 and the insulating substrate stripping machine 7 in synchronization with the direction, and then only the film holding machine 5 is returned to the original position to transport the next film 4 supplied from the film supplying machine 3. It will return.

Reference numeral 8 denotes a cutting machine comprising a fixed or movable cutter, which cuts unnecessary portions of the insulating bases 1a, 1b and the conductor 2 at both ends of unnecessary portions of the insulating bases 1a, 1b. Remove. And 11 is an insulating base material 1a, 1
b, rollers for regulating the guide provided on the travel route of b, 10 is a completed flat cable, and 9 is an insulating base material 1a,
This is a conductor exposed portion of the flat cable 10 from which 1b has been removed.

Next, the operation will be described. First, two films 4 are supplied at a predetermined length from the film supply device 3 to a position where the plurality of conductors 2 transferred and supplied from the conductor supply unit (not shown) are sandwiched from above and below, and are matched. The holding ends of the two films 4 are cut by a cutter 12 while being held and held by a holding machine 5.

Further, a plurality of conductors 2 arranged at a predetermined interval between the insulating bases 1a and 1b transferred and supplied from the insulating base supply section (not shown) are sandwiched in the longitudinal direction. Further, the two films 4 having the conductors 2 aligned from the upper and lower surfaces are conveyed in synchronization with the direction of arrow A in FIG.

Subsequently, the insulating base materials 1a, 1
b is passed between the pair of thermoforming rolls 6, and the insulating substrate 1
The adhesive applied to the substrates a and 1b is melted by applying pressure and heating to fix the conductor 2 and the insulating bases 1a and 1b.

Thereafter, as shown in FIG. 2, the insulating substrate 1 with the film 4 laminated therein is
a, a cut 1 of a predetermined width to a position not reaching the conductor 2
Then, the insulating base materials 1a and 1b are peeled off while the film 4 is peeled off.

That is, the conductor 2 and the film 4 are not adhered, and the other is adhered to the conductor 2 and the insulating substrates 1a and 1b with the adhesive of the insulating substrates 1a and 1b. As a result, predetermined stripping can be performed through the film 4 to form the conductor exposed portion 9.

Then, the unnecessary insulating base material 1 is cut by the cutting machine 8.
A predetermined flat cable 10 with a conductor exposed portion 9 is completed by cutting and removing both side end portions of a and 1b.

(Embodiment 2) FIG. 3 is a conceptual diagram illustrating a method and an apparatus for manufacturing a flat cable according to another embodiment of the present invention, and FIGS. Main part plan view and perspective view,
6 and 7 are perspective views of the main part of the flat cable member.

In FIG. 3, reference numerals 1a and 1b denote insulating base materials;
Is a conductor, and 10 is a completed flat cable.

Numeral 63a denotes a film sticking portion, as shown in FIG. 6, a film piece 58a made of a resin material and having a predetermined dimension is stuck to the adhesive applied surface side at a predetermined interval on the insulating base material 1a. Similarly, as shown in FIG. 7, a film sticking portion is formed by sticking a film piece 58b made of a resin material and having a predetermined size to the adhesive applied surface side at a predetermined interval on the insulating base 1b.

Reference numeral 64a denotes a feed roller, which is driven to rotate by a stepping motor 65a, holds the insulating substrate 1a between itself and the pressing roller 53a, and conveys it in the direction of the arrow. Similarly, 64b denotes a feed roller. The pressing roller 53b is rotated by a motor 65b.
And transport in the direction of the arrow while holding the insulating base 1b therebetween.

Up-and-down movable dancer rollers 66a and 66b for correcting slack or the like during the transportation or stoppage of the insulating bases 1a and 1b, and 67 are insulating bases 1a and 1b.
b, a pair of thermoforming rolls which rotate in opposite directions in synchronization with each other in order to sandwich a plurality of conductors 2 between them and pressurize, heat and thermally fuse them, and 68 is a dancer roller which can move up and down. An insulating substrate 1a thermocompressed by a thermoforming roll 67,
A slack or imbalance during stoppage or transportation of the laminated body of the insulating base 1b and the conductor 2 is corrected.

Reference numeral 50 denotes an insulating substrate peeling portion, as shown in FIG. 5, a film piece 58a attached to the adhesive applied surface of the insulating substrate 1a, and a film piece attached to the adhesive applied surface of the insulating substrate 1b. After making cuts 59 on both sides of the matched portion of the film 58b, the film pieces 58a, 58b are placed on the insulating substrate 1
Unnecessary portions of both side bands of the insulating base materials 1a and 1b are cut and removed to form the flat cable 10 while peeling off the portions attached to the a and 1b.

Reference numeral 51 denotes a conveying roller, which is driven to rotate by a stepping motor 52, and conveys the flat cable 10 between the pressing roller 53c and the flat cable 10 in the direction of the arrow. 54 is an insulating base material 1a, 1b or flat cable 1
This is a roller for regulating and guiding 0.

As shown in FIG. 4, 19a and 19b are optical sensors for detecting the film pieces 58a and 58b attached to the insulating bases 1a and 1b, respectively. Is disposed on both sides of the insulating base materials 1a and 1b.

Reference numeral 15 denotes a driver for driving the stepping motor 52, and reference numeral 16 denotes a converter.
19b, and the set film piece 58 is input.
A comparison is performed with the pulses at the predetermined intervals a and 58b, and the number of output pulses which is the difference is input to the driver 15 and the driver 17 for driving the stepping motor 65b, and is controlled and driven.

Next, the operation will be described. First, the two insulating base materials 1a and 1b transferred and supplied from an insulating base material supply unit (not shown) are combined with the stepping motors 65a and 65b.
3 are conveyed at predetermined speeds in the direction of the arrow in FIG. 3, and film pieces 58a, 58b having predetermined dimensions are attached to the insulating base materials 1a, 1b by the film affixing portions 63a, 63b. At predetermined intervals, they are adhered to the inner side of the adhesive-applied surface facing each other.

Thereafter, a film piece 58a of the insulating base 1a is formed.
And the film pieces 58b of the insulating base 1b are conveyed via the dancer rollers 66a and 66b so as to be aligned with each other, and are arranged at predetermined intervals on the inner surfaces of the insulating base 1a and the insulating base 1b facing each other and transferred. A plurality of conductors 2 supplied and supplied (a conductor supply portion is not shown) are sandwiched in the longitudinal direction, and are passed through a pair of thermoforming rolls 67 that rotate in opposite directions to each other to thereby insulate the insulating base material 1.
The adhesive applied to the a and 1b is melted by applying pressure and heating to fix the insulating bases 1a and 1b and the conductor 2.

Thereafter, while the insulating base materials 1a, 1b and the conductor 2 fixed as described above are conveyed via the roller 54 and the dancer roller 68 by the conveying roller 51 which is rotated and driven by the stepping motor 52, FIG. As shown, the film pieces 58a, 58b are detected by the sensors 19a, 19b.
Is detected.

Next, the output signal is compared with a pulse set at a predetermined pitch by the converter 16 and operated.
By changing the number of pulses applied to the driver 17 or the driver 15 by the output signal of the difference from the predetermined number of pulses by the number of pulses of the output signal, the number of rotations of the feed roller 64b or the transport roller 51 is changed, and insulation is performed. The positions where the film pieces 58a and 58b are attached due to elongation, variation and aging of the substrates 1a and 1b are corrected.

Then, as in the first embodiment, the film pieces 58 of the insulating base materials 1a and 1b are
Insulating bases 1a, 1b on both sides of the portion where a, 58b is attached
After a cut 59 having a predetermined width is formed, the portion is peeled off through the film pieces 58a and 58b, and unnecessary side bands of the insulating base materials 1a and 1b are further cut and removed. 3 to complete a predetermined flat cable 10 with a conductor exposed portion 9.

That is, after the conductor is sandwiched between two insulating base materials and fixed by passing through a thermoforming roll, the portion where the film piece is affixed is detected by a sensor, and the output signal is compared and calculated. By feeding back and controlling the driving driver such as a material conveying roller, the matching of the film pieces is corrected.

In this embodiment, the feed roller 64b
Is corrected by changing the rotation speed of the feed roller 64.
a or both the feed rollers 64a and 64b may be changed, and a pulse for driving the stepping motor 52 of the driver 15 may be used as a comparison reference pulse of the converter 16.

[0045]

As described above, according to the present invention, there is almost no influence of expansion and contraction of each base material, the dimensional accuracy of the conductor exposed portion can be improved, and the position at which the film piece is adhered and the coincidence can be corrected. This has the effect that high-speed production is possible and a high-quality flat cable can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part illustrating a method and an apparatus for manufacturing a flat cable according to an embodiment of the present invention.

FIG. 2 is a perspective view of a main part of processing of the flat cable.

FIG. 3 is a conceptual diagram illustrating a method and an apparatus for manufacturing a flat cable according to another embodiment of the present invention.

FIG. 4 is a plan view of a main part of the flat cable for explaining the manufacturing process.

FIG. 5 is an essential part perspective view of a flat cable for explaining the manufacturing process.

FIG. 6 is a perspective view of a main part of the flat cable member.

FIG. 7 is a perspective view of a main part of the flat cable member.

FIG. 8 is an essential part perspective view showing the configuration of a flat cable.

FIG. 9 is a perspective view of an essential part for explaining a conventional flat cable manufacturing method and apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1a, 1b Insulating base material 2 Conductor 3 Film feeder 4 Film 5 Film holding machine 6 Thermoforming roll 7 Insulating base material peeling machine 8 Cutting machine 9 Conductor exposed part 10 Flat cable 11 Roller 12 Cutter 13 Cut 13 Driver 15 Converter 16 Converter 17 Driver 50 Insulating base material peeling part 51 Conveying roller 52 Stepping motor 53a, 53b, 53c Holding roller 54 Roller 58a, 58b Film piece 63a, 63b Film sticking part 64a, 64b Feeding roller 65a, 65b Stepping motor 66a, 66b Dancer roller 67 Thermoforming Roll 68 Dancer Roller

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Sadahiko Ueda 1006 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Hidenobu Sakai 1006 Odaka Kadoma Kadoma City, Osaka Pref. Matsushita Electric Industrial Co.

Claims (4)

[Claims] 1. A method in which two films of a predetermined size are supplied on both surfaces of a plurality of conductors arranged and supplied at a predetermined interval so as to sandwich the conductor at a predetermined interval, and further, the adhesive-coated surfaces are connected to each other. Two insulating base materials coated with an adhesive on one side so as to sandwich the conductor facing each other are supplied, and then the film sandwiching the conductor is conveyed in synchronization with the transport direction of the conductor, and Pressing while transporting the insulating base material holding the
Heating is performed to melt the adhesive applied to the insulating base material, thereby fixing the insulating base material and the conductor.Then, the insulating base material in the portion sandwiched by the film is cut and peeled to form a conductor exposed portion. And a method of manufacturing a flat cable for cutting and removing unnecessary side portions of an insulating base material. 2. A conductor supply unit for supplying a plurality of conductors arranged at a predetermined interval, a film supply machine for supplying two films of a predetermined size sandwiching the conductor at a predetermined interval to both surfaces, and an adhesive application. An insulating substrate supply unit for supplying two insulating substrates coated with an adhesive on one side so that the surfaces face each other and sandwich the conductor, and the film sandwiching the conductor is synchronized with the transport direction of the conductor. Movable film holding machine to transport, pressurizing and heating while transporting the insulating substrate sandwiching the conductor sandwiched by the film, melting the adhesive applied to the insulating substrate, and melting the insulating substrate and the conductor It consists of a pair of thermoforming rolls for fixing the insulating base material, an insulating base material stripping machine that cuts and peels the insulating base material between the parts sandwiched by the film, and a cutting machine that cuts and removes both side bands of unnecessary insulating base material. Flat cable manufacturing equipment. 3. A film piece of a predetermined size is stuck at a predetermined interval to two insulating base materials each having an adhesive applied on one surface, and the adhesive applied surfaces of the insulating base materials face each other and the film pieces are matched. Is supplied, and a plurality of conductors arranged and supplied at predetermined intervals are sandwiched in the longitudinal direction by the insulating base material, and conveyed while being pressed and heated to melt the adhesive applied to the insulating base material. To fix the conductor to the insulating base material, then cut and peel off the affixed part of the film piece of the insulating base material to form a conductor exposed part, and further cut and remove unnecessary side bands of the insulating base material Flat cable manufacturing method. 4. A supply section for supplying two insulating base materials each having an adhesive applied to one side thereof, a film attaching section for attaching a film piece of a predetermined size at a predetermined interval to the adhesive applied side, A supply unit that supplies a plurality of arranged conductors, the insulating base material, which is conveyed by a feed roller and matches a piece of film via a dancer roller and a roller, faces each other with the adhesive applied surfaces facing each other, and the conductor is oriented in a longitudinal direction. A pair of thermoforming rolls, which pass through the thermoforming rolls to fix the adhesive applied to the insulating base material by applying pressure and heating to melt the adhesive applied to the insulating base material and to fix the conductor to the insulating base material. A sensor that detects the film piece attached to the substrate, an insulating substrate peeling part that cuts and removes both side strips of the insulating substrate that are unnecessary as well as the cutting and peeling of the film part of the insulating substrate, a completed flat cable Transport rollers for transporting A converter which receives an output signal of a sensor as an input, compares the output signal with a preset pulse, and calculates the pulse, and a flat cable manufacturing apparatus configured to control the feed roller for conveyance with the output signal.