CN114551079B - Control method and system for manufacturing transformer core by amorphous material strip - Google Patents
Control method and system for manufacturing transformer core by amorphous material strip Download PDFInfo
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- CN114551079B CN114551079B CN202210199389.1A CN202210199389A CN114551079B CN 114551079 B CN114551079 B CN 114551079B CN 202210199389 A CN202210199389 A CN 202210199389A CN 114551079 B CN114551079 B CN 114551079B
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- 239000000463 material Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 51
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000013016 damping Methods 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000006698 induction Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Classifications
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention discloses a control method and a control system for a process of manufacturing a transformer core by an amorphous material strip, which relate to the technical field of manufacturing the transformer core, and the invention firstly obtains setting parameters and controls the linear speed of a winding, the tension of the winding and the gradient of the winding in real time according to the setting parameters, wherein the rotation speed of a motor is dynamically adjusted in the winding process by a method of equivalently forming a rectangle into a circle, so that the linear speed is stable; according to the set tension value, the adjustable damping load is dynamically adjusted within the bearing range of the amorphous material belt by adopting a fuzzy PID control method, so that accurate tension control in the winding process is realized. The invention solves the problems of unstable linear speed of the surface of the iron core, uneven tightness of the iron core and the like in the winding process of the rectangular die, and further prepares the high-performance transformer iron core.
Description
Technical Field
The invention relates to the technical field of transformer core manufacturing, in particular to a control method and a control system for a process of manufacturing a transformer core by an amorphous material strip.
Background
The amorphous material belt gradually replaces silicon steel sheets due to high magnetic permeability, and has become an important material for manufacturing high-performance transformer cores, and the amorphous material transformer has the characteristics of small loss, high magnetic permeability, small volume and no need of transformer oil cooling. Because the amorphous material strip is very thin, a large transformer core needs tens of thousands or even hundreds of thousands layers, manual winding is labor-consuming and has low efficiency. Because the winding mould shape of transformer core is different, also put forward very high requirement for automatic winding, circular mould is easy in winding in-process speed control, and the atress is even, is the best winding, and the rectangle is in the winding in-process if the winding motor is rotatory a week, and the radius dynamic change of grinding apparatus, the surface linear velocity of iron core is unstable, causes the atress inhomogeneous, elasticity in the iron core is different.
Therefore, how to control the process of manufacturing the transformer core by the amorphous material strip, and solve the problems of unstable linear speed of the core surface, uneven iron core tightness and the like in the winding process of the rectangular die, is a problem which needs to be solved by the technicians in the field.
Disclosure of Invention
In view of the above, the present invention provides a method and a system for controlling the process of manufacturing a transformer core from an amorphous material strip, so as to overcome the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
A control method for manufacturing a transformer core by using an amorphous material strip comprises the following steps:
step 1, obtaining setting parameters, wherein the setting parameters comprise a rectangular die length and width value, a maximum tensile force born by an amorphous material tape, a tape coiling tension, a tape coiling linear speed, an amorphous material tape thickness, tape coiling inclination, layer number setting and the like;
And 2, respectively controlling the coil linear speed, the coil tension and the coil inclination in real time according to the setting parameters.
Optionally, in the step 2, the tape winding linear speed is controlled in real time based on an equal efficiency method, specifically:
equating the rectangle to be a circle, and obtaining r= (a+b)/pi based on the principle of equal perimeter, 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 is unchanged, the rotation angular speed omega 2＝ω1 r/l of the rectangular die is obtained, wherein omega 2 represents the rotation angular speed of the rectangular die, omega 1 represents the constant rotation angular speed of the circular die, r is the radius of an equivalent circle, and l is the distance between the current winding point and the central point of the rectangular die.
Optionally, in the step 2, the tape tension is controlled by adopting a fuzzy PID control method according to the tape tension detected in real time and the set tape tension.
Alternatively, the web tension is controlled by adjusting the adjustable damping load within the maximum tension range that the amorphous material web is subjected to.
Optionally, the fuzzy PID control method specifically uses a fuzzy PID controller, and takes 0.95 times of the maximum tensile force born by the amorphous material strip as a limiting value.
Optionally, in the step 2, the method for controlling the inclination of the tape is as follows:
Let h be the thickness of the amorphous material ribbon, β be the set ribbon inclination, then the skew feed k=h×cotβ;
The pulse number corresponding to Kmm moving amounts is K, M, N 2/L, wherein M is the pulse number of one revolution of the iron core gradient control servo motor, N 2 is the reduction ratio of the iron core gradient control servo motor speed reducer, L is the lead of the transmission screw rod, and the unit is mm;
rounding K, M, N 2/L to be used as the actual pulse number of the iron core gradient control servo motor; and stores the remainder portion in accessor s;
Adding K, M, N 2/L and an accessor s to form a whole when calculating the pulse number next time, and taking the whole as the actual pulse number of the iron core gradient control servo motor; and stores the remainder portion in accessor s for further calculation.
A control system for a process of manufacturing a transformer iron core by an amorphous material strip comprises a main controller, a tape coiling servo motor, a tape coiling speed reducer, a tape coiling mold, the amorphous material strip, a tension sensor, a proximity switch, a speed sensor, an iron core gradient control servo motor speed reducer, a transmission screw and an adjustable damping load;
The main controller is respectively connected with the coiling servo motor, the coiling speed reducer, the tension sensor, the proximity switch, the speed sensor, the iron core gradient control servo motor speed reducer and the adjustable damping load;
The winding servo motor and the winding speed reducer are respectively connected with the winding mold, the proximity switch is arranged on the winding mold, the winding mold is connected with the 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 the unreeling belt of the amorphous material belt, and the iron core gradient control servo motor, the iron core gradient control servo motor speed reducer and the transmission screw are sequentially connected.
Optionally, the main controller adopts a PLC controller, is matched with an analog output module, and adopts a touch screen as a man-machine interaction tool.
Optionally, the speed sensor is implemented by adopting an incremental photoelectric coding disc, the output pulse of the incremental photoelectric coding disc is counted and calculated by a high-speed counter function of the PLC to obtain the linear speed of the amorphous material belt, and the rotation speed and the rotation number of the winding servo motor are obtained by the pulse signal calculation of the photoelectric coding disc of the winding servo motor servo driver through the high-speed counter function read-back of the PLC.
Optionally, the tape reducer adopts 1:180 or 1: 360.
According to the technical scheme, the invention discloses a control method and a control system for the process of manufacturing a transformer iron core by using an amorphous material belt, and compared with the prior art, the control method and the control system have the following beneficial effects:
The invention dynamically adjusts the rotating speed of the motor in the winding process by a method of equating the rectangle into a circle, thereby controlling the linear speed of the winding to be close to the set linear speed within a certain error range. According to the detected tension, an adjustable damping load is dynamically adjusted within the bearing range of the amorphous material belt by adopting a fuzzy PID control method according to the set tension value, so that accurate tension control in the winding process is realized. The invention solves the problems of unstable linear speed of the surface of the iron core, uneven tightness of the iron core and the like in the winding process of the rectangular die, and further prepares 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 that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system structure of the present invention, wherein M1 is a tape servo motor, a tape speed reducer and an incremental photoelectric encoder; m2 is an iron core gradient 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 an embodiment of the invention;
FIG. 3 is a diagram showing the position of the induction point of the proximity switch of the iron core winding mold according to the embodiment of the invention;
FIG. 4 is a schematic diagram of rectangle and equivalent circle according to an embodiment of the present invention;
FIG. 5 (a) is a schematic view of a rectangular mold with c in the vertical position according to an embodiment of the present invention;
FIG. 5 (b) is a schematic view of a rectangular mold with d in the vertical position according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the control of a PID regulator according to an embodiment of the invention;
FIG. 7 is a schematic diagram of the inclination control principle in the embodiment of the invention;
FIG. 8 is a schematic diagram of the control of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a control system for a process of manufacturing a transformer iron core by an amorphous material strip, wherein the whole structure diagram is shown in fig. 1, and the control system comprises a main controller, a tape coiling servo motor, a tape coiling speed reducer, a tape coiling die, the amorphous material strip, a tension sensor, a proximity switch, a speed sensor, an iron core gradient control servo motor speed reducer, a transmission screw and an adjustable damping load;
The main controller is respectively connected with a coiling servo motor, a coiling speed reducer, a tension sensor, a proximity switch, a speed sensor, an iron core gradient control servo motor speed reducer, an adjustable damping load, a proximity switch and the like;
The winding servo motor and the winding speed reducer are respectively connected with the winding mold, the proximity switch is arranged on the winding mold, the winding mold is connected with the 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 the unreeling belt of the amorphous material belt, and the iron core gradient control servo motor, the iron core gradient control servo motor speed reducer and the transmission screw are sequentially connected. The arrow direction in fig. 1 is the output direction of the amorphous material ribbon.
Optionally, the main controller adopts a PLC controller, is matched with an analog output module, adopts a touch screen as a man-machine interaction tool, and the PLC control part is shown in fig. 2, wherein DI represents digital signal input, DQ represents digital signal output, AI represents analog signal input, and AQ represents analog signal output.
The touch screen mainly sets the linear speed of the coiled tape, the bearing tension of the amorphous material tape, the length and width of the rectangular die, the maximum bearing tension of the amorphous material tape, the thickness of the amorphous material tape, the inclination of the coiled tape, the layer number and the like; and dynamically displaying the tension value in the winding process, the damping load, the linear speed of the winding and the like.
Optionally, the speed sensor is implemented by adopting an incremental photoelectric coding disc, the output pulse of the incremental photoelectric coding disc is counted and calculated by a high-speed counter function of the PLC to obtain the linear speed of the amorphous material belt, and the rotation speed and the rotation number of the winding servo motor are obtained by the pulse signal calculation of the photoelectric coding disc of the winding servo motor servo driver through the high-speed counter function read-back of the PLC.
Optionally, the tape reducer adopts 1:180 or 1: 360.
The embodiment of the invention also discloses a control method for the process of manufacturing the transformer core by the amorphous material strip, which is shown in fig. 8 and comprises the following steps:
step 1, obtaining setting parameters, wherein the setting parameters comprise a rectangular die length and width value, a maximum tensile force born by an amorphous material tape, a tape coiling tension, a tape coiling linear speed, an amorphous material tape thickness, tape coiling inclination, layer number setting and the like;
And 2, respectively controlling the coil linear speed, the coil tension and the coil inclination in real time according to the setting parameters.
For the step 2, specifically, three parts are included:
1. tape roll linear speed control
In the rectangular tape mold shown in fig. 3, the rectangle is divided into 4 areas by diagonal lines, wherein 1 and 3 have similarity or symmetry, and 2 and 4 have similarity or symmetry.
Fig. 3 is a position diagram of induction points of a proximity switch of an iron core winding mold, four induction points A1, A2 and B1, B2 are arranged on the mold, wherein A1, A2 are on one diagonal, B1, B2 are on the other diagonal, the distance between A1, A2 and a center point O is equal, the distance between B1, B2 and the center point O is equal, and because the mold rotates along with a motor, the induction points A1, A2 can share 1 proximity switch, and the induction points B1, B2 can share 1 proximity switch. In fig. 3, zones 1, 3 and zones 2, 4 are identical if the mold is rotated counterclockwise. A1 and A2 are respectively used as starting position points of linear velocity control of 1 and 3 areas, and B1 and B2 are respectively used as starting position points of linear velocity control of 2 and 4 areas.
If the rectangular die is fixed on a motor shaft rotating at a constant speed, the motor rotates for 1 circle to wind the amorphous material belt, and the linear speed line changes as follows: zone 1 from fast to slow, then slow to fast, zone 2 from fast to slow, then slow to fast, zone 3 from fast to slow, then slow to fast, zone 4 from fast to slow, then slow to fast. Therefore, how to ensure the linear velocity is unchanged is a main problem to be solved by the present embodiment.
Under the condition that the rotation speeds n of the servo motors are equal, according to the principle that the circumferences are equal, the rectangles can be equivalent to circles, and referring to fig. 4, the following can be obtained: 2 (a+b) =2pi r
R= (a+b)/pi (formula 1)
If the radius of the circular mould is r, the corresponding constant angular velocity is ω 1 =2n and the corresponding linear velocity is v=2pi rn, but the rectangular mould is dynamically changed in distance from the centre point O, so the linear velocity v within one revolution of the tape is dynamically changed.
From the above analysis, it is known that, in order to keep the linear velocity of the rectangular die tape substantially unchanged, the longer the distance l from the point O on the rectangle is, the lower the rotational speed should be, and the closer the distance l is, the higher the rotational speed should be; it can thus be determined that: omega 1*r＝ω2 x l
Omega 2＝ω1 r/l (formula 2)
Taking area 1 as an example, when the rectangular mold is in this position in fig. 5 (a), c (half of the diagonal) is in the vertical position,At this time, it can be sensed by the sensing point B1 or B2, and the speed at this time is obtained/> according to the formula (2)When the winding servo motor rotates for one circle, after passing through the winding speed reducer (the speed reduction ratio is 1:N), the rotation angle of the rectangular die is alpha=360°/N, d is at the vertical position, as shown in fig. 5 (b), at the moment, 2= 1-alpha, and 1= cos-1 (a/2 c), d= (a/2)/cos 2, and at the moment, the corresponding rotation angle speed is omega 2＝ω1 x r/d=2pi rn/d. And by analogy, the rotation angular velocity omega 2 of each point on the corresponding position on the rectangular die can be obtained. In the embodiment, an equivalent circular die iron core is assumed to be used as a reference, the rotating speed of a corresponding tape coiling servo motor is n when the die iron core rotates at the angular speed omega 1, and the pulse frequency of the corresponding PLC control tape coiling servo motor is f 1; the pulse frequency of the corresponding PLC controlled web servo motor when rotated at angular speed omega 2 is f 2＝f1*ω2/ω1. Therefore, the pulse frequency of the PLC control winding servo motor is dynamically changed mainly at different positions of the rectangular die rotation, so that the rotating speed of the motor is controlled, and the purpose of controlling the linear speed of the winding to be linearly close to the set linear speed within a certain error range is achieved.
Since the 1 and 3 regions have similarity and the 2 and 4 regions have similarity, the same or similar method can be adopted to realize the control of the linear velocity.
2. Tape tension control
The tension sensor is used as a detection element, the adjustable damping load is used as an execution output, and the tension in the winding process is controlled. The adjusting device adopts a fuzzy PID regulator, wherein the output of the fuzzy PID regulator takes 0.95 times of the maximum tensile force which can be born by the amorphous material belt as a limiting value. Referring to fig. 6, input is a tape tension set by the touch screen, the measurement transmitter is a force measured by the tension sensor, E is a difference between the set tape tension and the tape 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 proportional coefficient, ki is an integral coefficient, kd is a differential coefficient, and a specific control and adjustment process is a prior art, which is not described in detail in the present invention.
3. Roll tape inclination control
Referring to fig. 7,h, where β is the set tape inclination, the skew feeding amount k=h×cotβ; the thickness h mm of the amorphous material strip is set by the touch screen, and after the amorphous material strip is coiled to a certain number of turns, the amorphous material strip is coiled according to the set inclination.
The pulse number corresponding to Kmm moving amounts is K, M, N 2/L, wherein M is the pulse number of one revolution of the iron core gradient control servo motor, N 2 is the reduction ratio of the iron core gradient control servo motor speed reducer, L is the lead of the transmission screw rod, and the unit is mm;
rounding K, M, N 2/L to be used as the actual pulse number of the iron core gradient control servo motor; and stores the remainder portion in accessor s;
Adding K, M, N 2/L and an accessor s to form a whole when calculating the pulse number next time, and taking the whole as the actual pulse number of the iron core gradient control servo motor; and stores the remainder portion in accessor s for further calculation.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer 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 (9)
1. The control method for the process of manufacturing the transformer core by the amorphous material strip is characterized by comprising the following steps of:
step 1, obtaining setting parameters, wherein the setting parameters comprise a rectangular die length and width value, a maximum tensile force born by an amorphous material tape, a tape coiling tension, a tape coiling linear speed, an amorphous material tape thickness, tape coiling inclination and layer number setting;
step 2, respectively controlling the coil linear speed, the coil tension and the coil inclination in real time according to the setting parameters:
equating the rectangle to be a circle, and obtaining r= (a+b)/pi based on the principle of equal perimeter, 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 is unchanged, the rotation angular speed omega 2＝ω1 r/l of the rectangular die is obtained, wherein omega 2 represents the rotation angular speed of the rectangular die, omega 1 represents the constant rotation angular speed of the circular die, r is the radius of an equivalent circle, and l is the distance between the current winding point and the central point of the rectangular die.
2. The method according to claim 1, wherein in the step 2, the tape tension is controlled by fuzzy PID control according to the detected tape tension and the set tape tension.
3. A method of controlling a process for manufacturing a transformer core from an amorphous ribbon as claimed in claim 2, wherein the ribbon tension is controlled by adjusting the adjustable damping load within a maximum tension range experienced by the amorphous ribbon.
4. The method according to claim 3, wherein the fuzzy PID controller is used in the fuzzy PID control method, and the limiting value is 0.95 times of the maximum tensile force born by the amorphous material strip.
5. The method for controlling the process of manufacturing the transformer core by using the amorphous material ribbon according to claim 1, wherein in the step 2, the method for controlling the inclination of the ribbon is as follows:
Let h be the thickness of the amorphous material ribbon, β be the set ribbon inclination, then the skew feed k=h×cotβ;
The pulse number corresponding to Kmm moving amounts is K, M, N 2/L, wherein M is the pulse number of one revolution of the iron core gradient control servo motor, N 2 is the reduction ratio of the iron core gradient control servo motor speed reducer, L is the lead of the transmission screw rod, and the unit is mm;
rounding K, M, N 2/L to be used as the actual pulse number of the iron core gradient control servo motor; and stores the remainder portion in accessor s;
Adding K, M, N 2/L and an accessor s to form a whole when calculating the pulse number next time, and taking the whole as the actual pulse number of the iron core gradient control servo motor; and stores the remainder portion in accessor s for further calculation.
6. A control system for controlling a control method of a process of manufacturing a transformer core by using the amorphous material strip according to claim 1, which is characterized by comprising a main controller, a strip coiling servo motor, a strip coiling speed reducer, a strip coiling mould, an amorphous material strip, a tension sensor, a proximity switch, a speed sensor, a core gradient control servo motor speed reducer, a transmission screw and an adjustable damping load;
The main controller is respectively connected with the coiling servo motor, the coiling speed reducer, the tension sensor, the proximity switch, the speed sensor, the iron core gradient control servo motor speed reducer and the adjustable damping load;
The winding servo motor and the winding speed reducer are respectively connected with the winding mold, the proximity switch is arranged on the winding mold, the winding mold is connected with the 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 the unreeling belt of the amorphous material belt, and the iron core gradient control servo motor, the iron core gradient control servo motor speed reducer and the transmission screw are sequentially connected.
7. The control system of claim 6, wherein the master controller is a PLC controller, and is configured with an analog output module, and a touch screen is used as a human-computer interaction tool.
8. The control system according to claim 7, wherein the speed sensor is implemented by using an incremental photoelectric encoder, the linear speed of the amorphous material ribbon is obtained by counting output pulses of the incremental photoelectric encoder by a high-speed counter function of the PLC controller, and the rotation speed and the number of rotations of the ribbon servo motor are obtained by calculating pulse signals of the photoelectric encoder of the ribbon servo motor servo driver by the PLC controller by reading back the high-speed counter function.
9. The control system of claim 6, wherein the web speed reducer employs 1:180 or 1: 360.
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| CN202210199389.1A CN114551079B (en) | 2022-03-01 | 2022-03-01 | Control method and system for manufacturing transformer core by amorphous material strip |
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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/CN114551079B/en active Active
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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| CN114551079A (en) | 2022-05-27 |
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