CN114551079A - Control method and system for process of manufacturing transformer core by amorphous material belt - Google Patents
Control method and system for process of manufacturing transformer core by amorphous material belt Download PDFInfo
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- CN114551079A CN114551079A CN202210199389.1A CN202210199389A CN114551079A CN 114551079 A CN114551079 A CN 114551079A CN 202210199389 A CN202210199389 A CN 202210199389A CN 114551079 A CN114551079 A CN 114551079A
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- 230000008569 process Effects 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 80
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 43
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
- H01F41/0226—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous ribbons
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/25—Magnetic cores made from strips or ribbons
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Abstract
The invention discloses a control method and a system for a process of manufacturing a transformer core by an amorphous material strip, and relates to the technical field of transformer core manufacturing, wherein the method comprises the steps of firstly obtaining setting parameters, and carrying out real-time control on the linear speed of a winding tape, the tension of the winding tape and the gradient of the winding tape according to the setting parameters, wherein the rotating speed of a motor is dynamically adjusted in the winding tape process by a method of rectangle equivalence to be round, so that the linear speed is stable; and dynamically adjusting the adjustable damping load in the range born by the amorphous material belt by adopting a fuzzy PID control method according to the set tension value, thereby realizing accurate tension control in the belt coiling process. The invention overcomes the problems of unstable surface linear velocity of the iron core, uneven tightness of the iron core and the like in the winding process of the rectangular mould, and further manufactures the high-performance transformer iron core.
Description
Technical Field
The invention relates to the technical field of transformer core manufacturing, in particular to a method and a system for controlling a process of manufacturing a transformer core by using an amorphous material belt.
Background
The amorphous material belt is gradually replacing silicon steel sheets due to high magnetic permeability, and becomes an important material for manufacturing a high-performance transformer iron core, and the amorphous material transformer has the characteristics of low loss, high magnetic permeability, small volume and no need of transformer oil cooling. Because the amorphous material belt is very thin, tens of thousands or even hundreds of thousands of layers are needed for a larger transformer iron core, the manual winding is troublesome and labor-consuming, and the efficiency is low. The winding dies of the transformer iron core have different shapes, so that high requirements are provided for automatic winding, the speed of the round die is easy to control in the winding process, the round die is uniform in stress and is preferably wound, and if the winding motor rotates within one circle in the winding process of the rectangle, the radius of the grinding tool is dynamically changed, the surface linear velocity of the iron core is unstable, the stress is not uniform, and the tightness in the iron core is different.
Therefore, how to control the process of manufacturing the transformer core by the amorphous material strip, and overcome the problems of unstable surface linear velocity of the iron core, uneven tightness of the iron core and the like in the winding process of the rectangular die, which is a problem to be solved by the technical staff in the field.
Disclosure of Invention
In view of the above, the present invention provides a method and a system for controlling a process of manufacturing a transformer core from an amorphous material strip, so as to overcome the above-mentioned shortcomings in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a control method for a process of manufacturing a transformer core by an amorphous material belt comprises the following steps:
step 1, obtaining setting parameters, wherein the setting parameters comprise a length and width value of a rectangular die, maximum tension borne by an amorphous material strip, winding tension, winding linear velocity, thickness of the amorphous material strip, winding inclination, layer number setting and the like;
and 2, respectively controlling the linear speed of the winding belt, the tension of the winding belt and the inclination of the winding belt in real time according to the set parameters.
Optionally, in step 2, real-time control is performed on the linear speed of the winding tape based on an equivalent method, specifically:
the rectangle is equivalent to a circle, and based on the principle that the circumferences are equal, r is (a + b)/pi, wherein r is the radius of the equivalent circle, a is the length of the rectangle, and b is the width of the rectangle;
according to the principle that the linear speed of the winding tape is not changed, the rotation angular velocity omega 2 of the rectangular die is obtained to be omega 1 r/l, wherein omega 2 represents the rotation angular velocity of the rectangular die, omega 1 represents the constant rotation angular velocity of the circular die, r is the radius of the equivalent circle, and l is the distance between the current winding tape point and the central point of the rectangular die.
Optionally, in step 2, the winding tension is controlled by a fuzzy PID control method according to the winding tension detected in real time and the set winding tension.
Optionally, the ribbon tension is controlled by adjusting the adjustable damping load within a maximum tension range experienced by the amorphous ribbon.
Optionally, the fuzzy PID control method specifically uses a fuzzy PID controller, and uses 0.95 times of the maximum tensile force borne by the amorphous material strip as the amplitude limit value.
Optionally, in step 2, the method for controlling the inclination of the winding tape includes:
let h be the thickness of the amorphous material strip, and β be the set ribbon gradient, then the gradient feed K equals h × cot β;
kmm, the number of pulses corresponding to the movement amount is k M N2/L, wherein M is the number of pulses of one revolution of the iron core inclination control servo motor, N2 is the reduction ratio of the speed reducer of the iron core inclination control servo motor, and L is the lead of the transmission lead screw and the unit is mm;
rounding k M N2/L to be used as the actual pulse number of the iron core inclination control servo motor; and storing the remainder part in the access device s;
adding and rounding k M N2/L and an accessor s when the pulse number is calculated next time, and taking the sum as the actual pulse number of the iron core inclination control servo motor; and the remainder portion is stored in the and accessor s for further use in the next calculation.
A control system for a process of manufacturing a transformer core by an amorphous material strip comprises a main controller, a coiling servo motor, a coiling speed reducer, a coiling mould, an amorphous material strip, a tension sensor, a proximity switch, a speed sensor, an iron core inclination control servo motor speed reducer, a transmission screw rod and an adjustable damping load;
the main controller is respectively connected with the tape coiling servo motor, the tape coiling speed reducer, the tension sensor, the proximity switch, the speed sensor, the iron core inclination control servo motor speed reducer and the adjustable damping load;
the device comprises a winding belt servo motor, a winding belt speed reducer, a proximity switch, a tension sensor, a speed sensor, an adjustable damping load, an iron core inclination control servo motor speed reducer and a transmission screw rod, wherein the winding belt servo motor and the winding belt speed reducer are respectively connected with a winding belt die, the proximity switch is arranged on the winding belt die, the winding belt die is connected with an amorphous material belt, the tension sensor and the speed sensor are both arranged on the amorphous material belt, the adjustable damping load is coaxially connected with an unwinding belt of the amorphous material belt, and the iron core inclination control servo motor, the iron core inclination control servo motor speed reducer and the transmission screw rod are sequentially connected.
Optionally, the main controller adopts a PLC controller, is provided with an analog output module, and adopts a touch screen as a human-computer interaction tool.
Optionally, the speed sensor is implemented by using an incremental photoelectric encoding disk, the linear speed of the amorphous material tape is obtained by counting output pulses of the incremental photoelectric encoding disk through a high-speed counter function of a PLC controller, and the rotation speed and the number of rotations of the tape coiling servo motor are obtained by calculating pulse signals of the photoelectric encoding disk of the servo driver of the tape coiling servo motor through the high-speed counter function of the PLC controller.
Optionally, the tape speed reducer adopts 1: 180 or 1: 360 reduction ratio.
Compared with the prior art, the invention has the following beneficial effects that:
the invention dynamically adjusts the rotating speed of the motor in the tape coiling process by a method of rectangle equivalent to circle, thereby controlling the linear speed of the tape coiling to be close to the set linear speed within a certain error range. And dynamically adjusting the adjustable damping load in the range born by the amorphous material strip by adopting a fuzzy PID control method according to the detected tension and the set tension value, thereby realizing accurate tension control in the coiling process. The invention overcomes the problems of unstable surface linear velocity of the iron core, uneven tightness of the iron core and the like in the winding process of the rectangular die, and further manufactures the high-performance transformer iron core.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the system of the present invention, wherein M1 is a tape servo motor, a tape reducer, and an incremental photoelectric encoder disk; m2 is an iron core inclination control servo motor, a speed reducer and a lead screw; m3 is an adjustable damping load; 1 is a tension sensor; 2 is a speed sensor;
FIG. 2 is a schematic diagram of a PLC control part in the embodiment of the invention;
FIG. 3 is a diagram of the position of the proximity switch sensing point of the iron core winding mold according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of a rectangle and an equivalent circle according to an embodiment of the present invention;
FIG. 5(a) is a schematic view of a rectangular mold in an upright position according to example c of the present invention;
FIG. 5(b) is a schematic view of a rectangular mold in the vertical position of embodiment d of the present invention;
FIG. 6 is a control schematic of a fuzzy PID regulator in an embodiment of the invention;
FIG. 7 is a schematic diagram illustrating the principle of tilt control in an embodiment of the present invention;
FIG. 8 is a schematic diagram of the method control of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a control system for a process of manufacturing a transformer core by an amorphous material strip, and the overall structure diagram is shown in figure 1, and the control system comprises a main controller, a tape coiling servo motor, a tape coiling speed reducer, a tape coiling mould, an amorphous material strip, a tension sensor, a proximity switch, a speed sensor, an iron core inclination control servo motor speed reducer, a transmission screw and an adjustable damping load;
the main controller is respectively connected with a tape coiling servo motor, a tape coiling speed reducer, a tension sensor, a proximity switch, a speed sensor, an iron core inclination control servo motor speed reducer, an adjustable damping load, a proximity switch and the like;
the device comprises a winding belt servo motor, a winding belt speed reducer, a proximity switch, a tension sensor, a speed sensor, an adjustable damping load, an iron core inclination control servo motor speed reducer and a transmission screw rod, wherein the winding belt servo motor and the winding belt speed reducer are respectively connected with a winding belt die, the proximity switch is arranged on the winding belt die, the winding belt die is connected with an amorphous material belt, the tension sensor and the speed sensor are both arranged on the amorphous material belt, the adjustable damping load is coaxially connected with an unwinding belt of the amorphous material belt, and the iron core inclination control servo motor, the iron core inclination control servo motor speed reducer and the transmission screw rod are sequentially connected. The direction of the arrows in fig. 1 is the direction of output of the amorphous material ribbon.
Optionally, the main controller adopts a PLC controller, is provided with an analog output module, and adopts a touch screen as a human-computer interaction tool, and the PLC control part refers to fig. 2, where DI represents digital signal input, DQ represents digital signal output, AI represents analog signal input, and AQ represents analog signal output.
The touch screen is mainly provided with the linear velocity of a winding belt, the bearing tension of an amorphous material belt, the length and the width of a rectangular die, the maximum bearing tension of the amorphous material belt, the thickness of the amorphous material belt, the inclination of the winding belt, the number of layers and the like; and dynamically displaying the tension value, the damping load size, the linear speed of the tape winding and the like in the tape winding process.
Optionally, the speed sensor is implemented by using an incremental photoelectric encoding disk, the linear speed of the amorphous material tape is obtained by counting output pulses of the incremental photoelectric encoding disk through a high-speed counter function of a PLC controller, and the rotation speed and the number of rotations of the tape coiling servo motor are obtained by calculating pulse signals of the photoelectric encoding disk of the servo driver of the tape coiling servo motor through the high-speed counter function of the PLC controller.
Optionally, the tape speed reducer adopts 1: 180 or 1: 360 reduction ratio.
The embodiment of the invention also discloses a control method for the process of manufacturing the transformer core by the amorphous material belt, which comprises the following steps of:
step 1, obtaining setting parameters, wherein the setting parameters comprise a length and width value of a rectangular die, maximum tension borne by an amorphous material strip, winding tension, winding linear velocity, thickness of the amorphous material strip, winding inclination, layer number setting and the like;
and 2, respectively controlling the linear speed of the winding belt, the tension of the winding belt and the inclination of the winding belt in real time according to the set parameters.
The step 2 specifically comprises three parts:
first, tape winding linear speed control
In the rectangular tape die shown in fig. 3, the rectangle is divided into 4 regions by diagonal lines, wherein 1 and 3 have similarity or symmetry, and 2 and 4 have similarity or symmetry.
Fig. 3 is a diagram of proximity switch sensing point positions of an iron core winding die, four sensing points a1, a2, B1 and B2 are arranged on the die, wherein a1 and a2 are on one diagonal, B1 and B2 are on the other diagonal, a1 and a2 are equidistant from a center point O, B1 and B2 are equidistant from the center point O, since the die rotates with the motor, the sensing points a1 and a2 can share 1 proximity switch, and the sensing points B1 and B2 can share 1 proximity switch. In fig. 3, zones 1, 3 and zones 2, 4 are the same if the mold is rotated counterclockwise. A1 and a2 are start position points for linear velocity control of 1 and 3, respectively, and B1 and B2 are start position points for linear velocity control of 2 and 4 zones, respectively.
If the rectangular die is fixed on a motor shaft rotating at a constant speed, the motor rotates 1 circle to wind the amorphous material belt, and the linear velocity line changes as follows: zone 1 is from fast to slow, then from slow to fast, zone 2 is from fast to slow, then from slow to fast, zone 3 is from fast to slow, then from slow to fast, zone 4 is from fast to slow, then from slow to fast. Therefore, how to ensure the linear velocity to be constant is a main problem to be solved by the embodiment.
Under the condition that the rotation speeds n of the servo motors are equal, the rectangle can be equivalent to a circle according to the principle that the circumferences are equal, and referring to fig. 4, the following can be obtained: 2(a + b) ═ 2 pi r
Then r ═ a + b)/pi (formula 1)
If the radius of the circular die is r, the corresponding constant angular velocity is ω 1 ═ 2 π n, and the corresponding linear velocity is v ═ 2 π rn, but the linear velocity v2 in one turn of the tape is dynamically changed because the rectangular die is dynamically changed in distance from the center point O.
According to the above analysis, in order to make the linear speed of the tape of the rectangular mold substantially constant, the farther the distance l from the point O on the rectangle is, the lower the rotation speed is, and the closer the distance l is, the higher the rotation speed is; it can thus be determined that: ω 1 ═ ω 2 ═ ω 1 ═ ω l
Then ω 2 is ω 1 r/l (formula 2)
Taking zone 1 as an example, in fig. 5(a) where the rectangular mold is in this position, c (half of the diagonal line) is in the vertical position,
the speed can be sensed by the sensor B1 or B2, and the speed can be obtained according to the formula (2)
When the tape coiling servo motor rotates for one circle, after passing through a tape coiling speed reducer (the reduction ratio is 1: N), the rotation angle of the rectangular die is alpha is 360 DEG/N, d is at a vertical position, as shown in fig. 5(b), at this time, the angle 2 is 1-alpha, and the angle 1 is cos-1(a/2c), d is (a/2)/cos < 2, and the corresponding rotation angular velocity is ω 2 ═ ω 1 ═ r/d ═ 2 π rn/d. By analogy, the angular velocity ω 2 of rotation of each point at the corresponding position on the rectangular mold can be obtained. In this embodiment, an equivalent circular shape is assumedThe die core of (2) is used as a reference, the rotating speed of a corresponding tape coiling servo motor is n when the die core rotates at an angular speed omega 1, and the pulse frequency of the corresponding PLC control tape coiling servo motor is f 1; then the corresponding PLC controlled the winding servo motor at the angular speed ω 2 has a pulse frequency f2 ═ f1 ×. ω 2/ω 1. Therefore, the pulse frequency of the PLC-controlled tape coiling servo motor is dynamically changed mainly at different rotating positions of the rectangular die, so that the rotating speed of the motor is controlled, and the purpose of controlling the linear speed of the tape coiling to be linearly close to the set linear speed within a certain error range is achieved.
Since zones 1 and 3 have similarities and zones 2 and 4 have similarities, the same or similar method can be used to control the line speed.
Tension control of winding tape
And the tension sensor is used as a detection element, the adjustable damping load is used as execution output, and the tension of the tape coiling process is controlled. The adjusting device adopts a fuzzy PID adjuster, wherein the output of the fuzzy PID adjuster takes 0.95 times of the maximum tensile force which can be borne by the amorphous material belt as a limiting value. Referring to fig. 6, where Input is a winding tension set by the touch screen, the measurement transmitter is a force measured by the tension sensor, E is a difference between the winding tension and the winding tension, Ec is a change rate of the difference, the controlled object is an adjustable damping load, Output is an adjustable damping load adjustment value, Kp is a proportionality coefficient, Ki is an integral coefficient, and Kd is a differential coefficient, and a specific control and adjustment process is the prior art, which is not described herein again.
Third, control of the gradient of the winding belt
Referring to fig. 7, h is the thickness of the amorphous material ribbon, β is the set ribbon tilt, and the tilt feed K is h × cot β; the thickness h mm of the amorphous material strip is set through the touch screen, and after the amorphous material strip reaches a certain number of turns, the amorphous material strip is rolled according to a set inclination.
kmm, the number of pulses corresponding to the movement amount is k M N2/L, wherein M is the number of pulses of one revolution of the iron core inclination control servo motor, N2 is the reduction ratio of the speed reducer of the iron core inclination control servo motor, and L is the lead of the transmission lead screw and the unit is mm;
rounding k M N2/L to be used as the actual pulse number of the iron core inclination control servo motor; and storing the remainder part in the access device s;
adding and rounding k M N2/L and an accessor s when the pulse number is calculated next time, and taking the sum as the actual pulse number of the iron core inclination control servo motor; and the remainder portion is stored in the and accessor s for further use in the next calculation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A control method for a process of manufacturing a transformer core by an amorphous material belt is characterized by comprising the following steps:
step 1, obtaining setting parameters, wherein the setting parameters comprise the length and width values of a rectangular die, the maximum tensile force borne by an amorphous material strip, the winding tensile force, the winding linear velocity, the thickness of the amorphous material strip, the winding inclination and the number of layers;
and 2, respectively controlling the linear speed of the winding belt, the tension of the winding belt and the inclination of the winding belt in real time according to the set parameters.
2. The method for controlling the process of manufacturing the transformer core from the amorphous material strips according to claim 1, wherein in the step 2, the linear speed of the winding tape is controlled in real time based on an equivalent method, specifically:
the rectangle is equivalent to a circle, and based on the principle that the circumferences are equal, r is (a + b)/pi, wherein r is the radius of the equivalent circle, a is the length of the rectangle, and b is the width of the rectangle;
according to the principle that the linear speed of the winding tape is not changed, the rotation angular velocity omega 2 of the rectangular die is obtained to be omega 1 r/l, wherein omega 2 represents the rotation angular velocity of the rectangular die, omega 1 represents the constant rotation angular velocity of the circular die, r is the radius of the equivalent circle, and l is the distance between the current winding tape point and the central point of the rectangular die.
3. The method as claimed in claim 1, wherein in step 2, the winding tension is controlled by fuzzy PID control method according to the winding tension detected in real time and the winding tension set.
4. The method as claimed in claim 3, wherein the winding tension is controlled by adjusting the damping load within a maximum tension range of the amorphous material.
5. The method as claimed in claim 4, wherein the fuzzy PID controller is used to control the maximum tension of the amorphous material strip, which is 0.95 times the maximum tension of the amorphous material strip.
6. The method for controlling the process of manufacturing the transformer core from the amorphous material strip according to claim 1, wherein in the step 2, the method for controlling the inclination of the winding is as follows:
let h be the thickness of the amorphous material strip, and β be the set ribbon gradient, then the gradient feed K equals h × cot β;
kmm, the number of pulses corresponding to the movement amount is k M N2/L, wherein M is the number of pulses of one revolution of the iron core inclination control servo motor, N2 is the reduction ratio of the speed reducer of the iron core inclination control servo motor, and L is the lead of the transmission lead screw and the unit is mm;
rounding k M N2/L to be used as the actual pulse number of the iron core inclination control servo motor; and storing the remainder part in the access device s;
adding and rounding k M N2/L and an accessor s when the pulse number is calculated next time, and taking the sum as the actual pulse number of the iron core inclination control servo motor; and the remainder portion is stored in the and accessor s for further use in the next calculation.
7. A control system for a process of manufacturing a transformer core by an amorphous material strip is characterized by comprising a main controller, a coiling servo motor, a coiling speed reducer, a coiling mould, the amorphous material strip, a tension sensor, a proximity switch, a speed sensor, an iron core inclination control servo motor speed reducer, a transmission screw rod and an adjustable damping load;
the main controller is respectively connected with the tape coiling servo motor, the tape coiling speed reducer, the tension sensor, the proximity switch, the speed sensor, the iron core inclination control servo motor speed reducer and the adjustable damping load;
the device comprises a winding belt servo motor, a winding belt speed reducer, a proximity switch, a tension sensor, a speed sensor, an adjustable damping load, an iron core inclination control servo motor speed reducer and a transmission screw rod, wherein the winding belt servo motor and the winding belt speed reducer are respectively connected with a winding belt die, the proximity switch is arranged on the winding belt die, the winding belt die is connected with an amorphous material belt, the tension sensor and the speed sensor are both arranged on the amorphous material belt, the adjustable damping load is coaxially connected with an unwinding belt of the amorphous material belt, and the iron core inclination control servo motor, the iron core inclination control servo motor speed reducer and the transmission screw rod are sequentially connected.
8. The system for controlling the process of manufacturing the transformer core from the amorphous material strips as claimed in claim 7, wherein the main controller adopts a PLC controller, is provided with an analog output module, and adopts a touch screen as a human-computer interaction tool.
9. The system of claim 8, wherein the speed sensor is implemented by using an incremental photoelectric encoder disc, the linear speed of the amorphous material is obtained by counting the output pulses of the incremental photoelectric encoder disc through a high-speed counter function of a PLC controller, and the rotation speed and the number of rotations of the tape servo motor are obtained by calculating the pulse signals of the photoelectric encoder disc of the servo driver of the tape servo motor read back through the high-speed counter function by the PLC controller.
10. The control system of claim 7, wherein the tape speed reducer adopts a 1: 180 or 1: a reduction ratio of 360.
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| CN202210199389.1A CN114551079A (en) | 2022-03-01 | 2022-03-01 | Control method and system for process of manufacturing transformer core by amorphous material belt |
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| CN202210199389.1A CN114551079A (en) | 2022-03-01 | 2022-03-01 | Control method and system for process of manufacturing transformer core by amorphous material belt |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61274307A (en) * | 1985-04-27 | 1986-12-04 | Aichi Electric Co Ltd | Winding method for wound core of transformer and its equipment |
| JPH0523779U (en) * | 1991-08-29 | 1993-03-26 | 松下電器産業株式会社 | Tension device for coil winding machine |
| DE19614300A1 (en) * | 1995-04-21 | 1996-10-24 | Abb Patent Gmbh | Automatic compensation of out of round roller rotation, esp. for winding webs of paper or plastics film |
| CN113506679A (en) * | 2021-06-30 | 2021-10-15 | 佛山科学技术学院 | Amorphous strip winding method and device |
-
2022
- 2022-03-01 CN CN202210199389.1A patent/CN114551079A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61274307A (en) * | 1985-04-27 | 1986-12-04 | Aichi Electric Co Ltd | Winding method for wound core of transformer and its equipment |
| JPH0523779U (en) * | 1991-08-29 | 1993-03-26 | 松下電器産業株式会社 | Tension device for coil winding machine |
| DE19614300A1 (en) * | 1995-04-21 | 1996-10-24 | Abb Patent Gmbh | Automatic compensation of out of round roller rotation, esp. for winding webs of paper or plastics film |
| CN113506679A (en) * | 2021-06-30 | 2021-10-15 | 佛山科学技术学院 | Amorphous strip winding method and device |
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