CN107443012A - A kind of transformer production oxygen-free transformer copper strip new production process - Google Patents
A kind of transformer production oxygen-free transformer copper strip new production process Download PDFInfo
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- CN107443012A CN107443012A CN201710488963.4A CN201710488963A CN107443012A CN 107443012 A CN107443012 A CN 107443012A CN 201710488963 A CN201710488963 A CN 201710488963A CN 107443012 A CN107443012 A CN 107443012A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
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Abstract
The invention discloses a kind of transformer production oxygen-free transformer copper strip new production process, comprise the following steps：Melting：From the measured charcoal of matter and through screen it is fully calcined after be used further to covering protection and melting deoxidation, come out of the stove cast before final deoxidation carried out using phosphor bronze alloy；Heating and hot rolling：Hot rolling is carried out using high temperature, quick, uniform, neutral or micro- reducing atmosphere condition, the heating of ingot casting is carried out using walking beam furnace；Milling face：The oxide and defect on milling hot-rolled billet surface to the greatest extent；Cold rolling：Cold rolling is carried out on the present-day mill equipped with thickness of strip automatic control system；Annealing：Annealed using continuous bright annealing furnace or bell type annealing furnace；Finished product is sheared：Handled using the edge trimming new technology of Trinity rolling process.The present invention is handled by melting, heating and hot rolling, milling face, cold rolling etc., can reach the high effect low with production cost of production yield rate with stability contorting oxygen content.
Description
Technical field
The present invention relates to transformer copper strip production technical field, specially a kind of transformer production oxygen-free transformer copper strip is new
Production technology.
Background technology
Transformer copper strip is a caused Copper plate and rod kind with the application of dry-type transformer, is replaced using copper strips
The transformer of copper cash winding, there is small volume, loss is small, and short-circuit strength is high, perfect heat-dissipating, easily welding and winding efficiency high,
The features such as regular maintenance facilitates, because transformer is a kind of static electrical equipment of voltage of transformation, it is certain by electromagnetic induction principle
Power transfering device of the voltage transformation of kind of frequency into another or a variety of numerical value voltage such as or not same frequency.
Traditional approach produces transformer copper strip, is typically produced using following technique：Direct chill casting is (horizontal
Continuously casting) the shortcomings that-milling face-hot rolling-in roll-anneal-clean-finish rolling, and the technique is present Control for Oxygen Content it is unstable
The problem of fixed and production yield rate ratio is relatively low, therefore, a kind of it is proposed that transformer production oxygen-free transformer copper strip new production work
Skill.
The content of the invention
It is above-mentioned to solve it is an object of the invention to provide a kind of transformer production oxygen-free transformer copper strip new production process
The problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of transformer production oxygen-free transformer copper strip is new
Production technology, comprise the following steps：
(1) melting：Covering protection and melting deoxidation are used further to from the measured charcoal of matter and after screening is fully calcined,
Come out of the stove and final deoxidation is carried out using phosphor bronze alloy before being cast；
(2) heating and hot rolling：Hot rolling is carried out using high temperature, quick, uniform, neutral or micro- reducing atmosphere condition, adopted
The heating of ingot casting is carried out with walking beam furnace；
(3) milling face：The oxide and defect on milling hot-rolled billet surface to the greatest extent；
(4) cold rolling：Cold rolling is carried out on the present-day mill equipped with thickness of strip automatic control system；
(5) anneal：Annealed using continuous bright annealing furnace or bell type annealing furnace；
(6) finished product is sheared：Handled using the edge trimming new technology of Trinity rolling process, first to strip side portion
Rolled, make edge that small plastic deformation occur, form bevel edge, then extruding finishing is carried out to bevel edge, to eliminate down
The top of the horn angle, strip width is controlled, complete edge deburring and edge finishing；
(7) packaging of finished product and transport：Finished product is packed and transported, avoids edge from occurring in packaging and transport
Carve, damage and deform, also need to avoid causing to change colour because of environment reason.
Preferably, the step (1) must be adopted an effective measure in melting and casting, block the source of gas as possible, keep away
Exempt from or reduce air, moisture, oil and other pollutants and melt contacts as far as possible.
Preferably, the step (1) will reduce charging number as far as possible, close bell in time, covering is protected when founding operates
Shield is timely, ensures certain overburden cover, and the converter of melt is carried out using closed chute.
Preferably, material temperature of being come out of the stove in the step (2) should be controlled at 850-920 DEG C, should ensure that ingot casting temperature uniformly prevents
Overheat or burning, hot rolling cogging temperature are higher than 820 DEG C, and finishing temperature is not less than 600 DEG C.
Preferably, the step (3) should ensure that the oxide on hot-rolled billet surface and defect milling are use up at milling face, knife flower
Small, nothing glues phenomena such as cutting and wipe scuffing, while thickness is homogeneous after milling.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention passes through melting, heating and hot rolling, milling face, cold
Roll, anneal, finished product shearing, the processing such as the packaging of finished product and transport, can with stability contorting oxygen content, reach production yield rate it is high and
The low effect of production cost.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
The present invention provides a kind of technical scheme：A kind of transformer production oxygen-free transformer copper strip new production process, including such as
Lower step：
(1) melting：Covering protection and melting deoxidation are used further to from the measured charcoal of matter and after screening is fully calcined,
Come out of the stove and final deoxidation is carried out using phosphor bronze alloy before being cast；
(2) heating and hot rolling：Hot rolling is carried out using high temperature, quick, uniform, neutral or micro- reducing atmosphere condition, adopted
The heating of ingot casting is carried out with walking beam furnace；
(3) milling face：The oxide and defect on milling hot-rolled billet surface to the greatest extent；
(4) cold rolling：Cold rolling is carried out on the present-day mill equipped with thickness of strip automatic control system；
(5) anneal：Annealed using continuous bright annealing furnace or bell type annealing furnace；
(6) finished product is sheared：Handled using the edge trimming new technology of Trinity rolling process, first to strip side portion
Rolled, make edge that small plastic deformation occur, form bevel edge, then extruding finishing is carried out to bevel edge, to eliminate down
The top of the horn angle, strip width is controlled, complete edge deburring and edge finishing；
(7) packaging of finished product and transport：Finished product is packed and transported, avoids edge from occurring in packaging and transport
Carve, damage and deform, also need to avoid causing to change colour because of environment reason.
Embodiment one：
Covering protection and melting deoxidation are used further to first from the measured charcoal of matter and after screening is fully calcined, is being come out of the stove
Final deoxidation is carried out using phosphor bronze alloy before being cast；Then using high temperature, quick, uniform, neutral or micro- reproducibility
The condition of atmosphere carries out hot rolling, and the heating of ingot casting is carried out using walking beam furnace；Then the oxidation on milling hot-rolled billet surface to the greatest extent
Thing and defect；Then cold rolling is carried out on the present-day mill equipped with thickness of strip automatic control system；Then using continuous
Formula bright annealing furnace or bell type annealing furnace are annealed；Then at the edge trimming new technology for using Trinity rolling process
Reason, is rolled to strip side portion first, makes edge that small plastic deformation occur, and forms bevel edge, then bevel edge is carried out
Extruding finishing, to eliminate chamfering wedge angle, strip width is controlled, complete edge deburring and edge finishing；Finally finished product is carried out
Packaging and transport, avoid edge to occur carving, damage and deform in packaging and transport, also need to avoid causing to become because of environment reason
Color.
Embodiment two：
In embodiment one, along with following processes：
Step (1) must adopt an effective measure in melting and casting, block the source of gas as possible, avoid or reduce as far as possible
Air, moisture, oil and other pollutants and melt contacts.
Covering protection and melting deoxidation are used further to first from the measured charcoal of matter and after screening is fully calcined, is being come out of the stove
Final deoxidation is carried out using phosphor bronze alloy before being cast, must adopt an effective measure in melting and casting, block as possible
The source of gas, avoid or reduce air, moisture, oil and other pollutants and melt contacts as far as possible；Then using high temperature, fast
The condition of fast, uniform, neutral or micro- reducing atmosphere carries out hot rolling, and the heating of ingot casting is carried out using walking beam furnace；Then
The oxide and defect on milling hot-rolled billet surface to the greatest extent；Then on the present-day mill equipped with thickness of strip automatic control system
Carry out cold rolling；Then annealed using continuous bright annealing furnace or bell type annealing furnace；Then Trinity rolling process is used
Edge trimming new technology handled, strip side portion is rolled first, makes edge that small plastic deformation occur, is formed
Bevel edge, then extruding finishing is carried out to bevel edge, to eliminate chamfering wedge angle, strip width is controlled, completes edge deburring and side
Repair in portion；Finally finished product is packed and transported, avoids edge to occur carving, damage and deform in packaging and transport, also needs
Avoid causing to change colour because of environment reason.
Embodiment three：
In embodiment two, along with following processes：
Step (1) will reduce charging number as far as possible, close bell in time, covering protection is timely, protects when founding operates
Certain overburden cover is demonstrate,proved, the converter of melt is carried out using closed chute.
Covering protection and melting deoxidation are used further to first from the measured charcoal of matter and after screening is fully calcined, is being come out of the stove
Final deoxidation is carried out using phosphor bronze alloy before being cast, must adopt an effective measure in melting and casting, block as possible
The source of gas, avoid or reduce air, moisture, oil and other pollutants and melt contacts as far as possible, when founding operates
Charging number is reduced as far as possible, closes bell in time, covering protection is timely, ensures certain overburden cover, using closed stream
Groove carries out the converter of melt；Then hot rolling is carried out using high temperature, quick, uniform, neutral or micro- reducing atmosphere condition, used
Walking beam furnace carries out the heating of ingot casting；Then the oxide and defect on milling hot-rolled billet surface to the greatest extent；Then equipped with band
Cold rolling is carried out on the present-day mill of material automatic gauge control system；Then continuous bright annealing furnace or bell type annealing furnace are used
Annealed；Then handled using the edge trimming new technology of Trinity rolling process, strip side portion is rolled first
Pressure, make edge that small plastic deformation occur, form bevel edge, then extruding finishing is carried out to bevel edge, to eliminate chamfering wedge angle,
Strip width is controlled, completes edge deburring and edge finishing；Finally finished product is packed and transported, in packaging and transport
Avoid edge from occurring carving, damage and deform, also need to avoid causing to change colour because of environment reason.
Example IV：
In embodiment three, along with following processes：
Material temperature of being come out of the stove in step (2) should be controlled at 850-920 DEG C, should ensure that ingot casting temperature uniformly prevents overheat or burning,
Hot rolling cogging temperature is higher than 820 DEG C, and finishing temperature is not less than 600 DEG C.
Covering protection and melting deoxidation are used further to first from the measured charcoal of matter and after screening is fully calcined, is being come out of the stove
Final deoxidation is carried out using phosphor bronze alloy before being cast, must adopt an effective measure in melting and casting, block as possible
The source of gas, avoid or reduce air, moisture, oil and other pollutants and melt contacts as far as possible, when founding operates
Charging number is reduced as far as possible, closes bell in time, covering protection is timely, ensures certain overburden cover, using closed stream
Groove carries out the converter of melt；Then hot rolling is carried out using high temperature, quick, uniform, neutral or micro- reducing atmosphere condition, used
Walking beam furnace carries out the heating of ingot casting, and material temperature of coming out of the stove should be controlled at 850-920 DEG C, should ensure that ingot casting temperature uniformly prevented
Heat or burning, hot rolling cogging temperature are higher than 820 DEG C, and finishing temperature is not less than 600 DEG C；Then the oxidation on milling hot-rolled billet surface to the greatest extent
Thing and defect；Then cold rolling is carried out on the present-day mill equipped with thickness of strip automatic control system；Then using continuous
Formula bright annealing furnace or bell type annealing furnace are annealed；Then at the edge trimming new technology for using Trinity rolling process
Reason, is rolled to strip side portion first, makes edge that small plastic deformation occur, and forms bevel edge, then bevel edge is carried out
Extruding finishing, to eliminate chamfering wedge angle, strip width is controlled, complete edge deburring and edge finishing；Finally finished product is carried out
Packaging and transport, avoid edge to occur carving, damage and deform in packaging and transport, also need to avoid causing to become because of environment reason
Color.
Embodiment five：
In example IV, along with following processes：
Step (3) should ensure that the oxide on hot-rolled billet surface and defect milling are use up at milling face, and knife spends small, nothing is viscous to cut and wipe
Phenomena such as scuffing, while thickness is homogeneous after milling.
Covering protection and melting deoxidation are used further to first from the measured charcoal of matter and after screening is fully calcined, is being come out of the stove
Final deoxidation is carried out using phosphor bronze alloy before being cast, must adopt an effective measure in melting and casting, block as possible
The source of gas, avoid or reduce air, moisture, oil and other pollutants and melt contacts as far as possible, when founding operates
Charging number is reduced as far as possible, closes bell in time, covering protection is timely, ensures certain overburden cover, using closed stream
Groove carries out the converter of melt；Then hot rolling is carried out using high temperature, quick, uniform, neutral or micro- reducing atmosphere condition, used
Walking beam furnace carries out the heating of ingot casting, and material temperature of coming out of the stove should be controlled at 850-920 DEG C, should ensure that ingot casting temperature uniformly prevented
Heat or burning, hot rolling cogging temperature are higher than 820 DEG C, and finishing temperature is not less than 600 DEG C；Then the oxidation on milling hot-rolled billet surface to the greatest extent
Thing and defect, the oxide and defect milling that hot-rolled billet surface is should ensure that at milling face are use up, and knife spends small, nothing is viscous to cut and wipe scuffing etc.
Phenomenon, while thickness is homogeneous after milling；Then cold rolling is carried out on the present-day mill equipped with thickness of strip automatic control system；
Then annealed using continuous bright annealing furnace or bell type annealing furnace；Then the edge trimming of Trinity rolling process is used
New technology is handled, and strip side portion is rolled first, makes edge that small plastic deformation occur, and forms bevel edge, then
Extruding finishing is carried out to bevel edge, to eliminate chamfering wedge angle, controls strip width, completes edge deburring and edge finishing；Most
Finished product is packed and transported afterwards, avoids edge to occur carving, damage and deform in packaging and transport, also needs to avoid because of environment
Reason and cause to change colour.
The present invention is sheared by melting, heating and hot rolling, milling face, cold rolling, annealing, finished product, the packaging of finished product and transport etc.
Processing, the high effect low with production cost of production yield rate can be reached with stability contorting oxygen content.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
- A kind of 1. transformer production oxygen-free transformer copper strip new production process, it is characterised in that：Comprise the following steps：(1) melting：Covering protection and melting deoxidation are used further to from the measured charcoal of matter and after screening is fully calcined, is being come out of the stove Final deoxidation is carried out using phosphor bronze alloy before being cast；(2) heating and hot rolling：Hot rolling is carried out using high temperature, quick, uniform, neutral or micro- reducing atmosphere condition, using step Enter the heating that formula heating furnace carries out ingot casting；(3) milling face：The oxide and defect on milling hot-rolled billet surface to the greatest extent；(4) cold rolling：Cold rolling is carried out on the present-day mill equipped with thickness of strip automatic control system；(5) anneal：Annealed using continuous bright annealing furnace or bell type annealing furnace；(6) finished product is sheared：Handled using the edge trimming new technology of Trinity rolling process, strip side portion is carried out first Rolling, make edge that small plastic deformation occur, form bevel edge, then extruding finishing is carried out to bevel edge, to eliminate chamfering point Angle, strip width is controlled, complete edge deburring and edge finishing；(7) packaging of finished product and transport：Finished product is packed and transported, avoids edge to occur carving, touch in packaging and transport Deformation is injured, also needs to avoid causing to change colour because of environment reason.
- A kind of 2. transformer production oxygen-free transformer copper strip new production process according to claim 1, it is characterised in that：Institute Stating step (1) must adopt an effective measure in melting and casting, block the source of gas as possible, avoid or reduce air as far as possible, Moisture, oil and other pollutants and melt contacts.
- A kind of 3. transformer production oxygen-free transformer copper strip new production process according to claim 1, it is characterised in that：Institute Step (1) is stated when founding operates, charging number is reduced as far as possible, close bell in time, covering protection is timely, ensures certain Overburden cover, using closed chute carry out melt converter.
- A kind of 4. transformer production oxygen-free transformer copper strip new production process according to claim 1, it is characterised in that：Institute Stating material temperature of being come out of the stove in step (2) should control at 850-920 DEG C, should ensure that ingot casting temperature uniformly prevents overheat or burning, hot rolling from opening Base temperature is higher than 820 DEG C, and finishing temperature is not less than 600 DEG C.
- A kind of 5. transformer production oxygen-free transformer copper strip new production process according to claim 1, it is characterised in that：Institute State step (3) and should ensure that the oxide on hot-rolled billet surface and defect milling are use up at milling face, knife spends small, nothing is viscous to cut and wipe scuffing etc. Phenomenon, while thickness is homogeneous after milling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488963.4A CN107443012A (en) | 2017-06-23 | 2017-06-23 | A kind of transformer production oxygen-free transformer copper strip new production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488963.4A CN107443012A (en) | 2017-06-23 | 2017-06-23 | A kind of transformer production oxygen-free transformer copper strip new production process |
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| CN107443012A true CN107443012A (en) | 2017-12-08 |
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| CN201710488963.4A Pending CN107443012A (en) | 2017-06-23 | 2017-06-23 | A kind of transformer production oxygen-free transformer copper strip new production process |
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Address after: 236400 Ten Standard Workshops in the Second Phase of Linquan Economic Development Zone, Fuyang City, Anhui Province Applicant after: Anhui Wan Hong electric Limited by Share Ltd Address before: 236400 Ten Standard Workshops in the Second Phase of Linquan Economic Development Zone, Fuyang City, Anhui Province Applicant before: The grand Electric Appliance Equipment Co., Ltd of Anhui Province |
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Application publication date: 20171208 |