CN110923417A - Amorphous alloy sensor iron core annealing process - Google Patents
Amorphous alloy sensor iron core annealing process Download PDFInfo
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- CN110923417A CN110923417A CN201911297088.7A CN201911297088A CN110923417A CN 110923417 A CN110923417 A CN 110923417A CN 201911297088 A CN201911297088 A CN 201911297088A CN 110923417 A CN110923417 A CN 110923417A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/003—Making ferrous alloys making amorphous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
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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
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Abstract
The invention discloses an amorphous alloy sensor iron core annealing process, which belongs to the field of sensor iron core manufacturing. The invention has mature process, increases the whole manufacturing process of the iron core, improves the manufacturing efficiency, increases various testing modes to ensure the processing accuracy of the iron core, and adds a plurality of heating and heat-preserving processes in the annealing process to ensure the heating uniformity of the iron core, ensure the processing efficiency of the iron core, reduce the loss of the iron core and improve the quality of the iron core.
Description
Technical Field
The invention belongs to the technical field of sensor iron core manufacturing, and particularly relates to an amorphous alloy sensor iron core annealing process.
Background
The amorphous alloy strip is a novel alloy material which is produced in the 70 s of the 20 th century, the international advanced super-quenching technology is adopted, liquid metal is directly cooled at the cooling speed of 100 ten thousand C/s to form a solid thin strip with the thickness of 0.02-0.03 mm, the liquid metal is not in time to crystallize, the condensation state of disordered arrangement of liquid atoms is kept in a greenhouse or at low temperature, and the atoms are not in long-range order, periodicity and regular arrangement any more, but in a long-range disordered arrangement state. It is the disordered atomic arrangement structure that the amorphous alloy has no grain boundary, subboundary and second phase particles which obstruct the movement of magnetic domain wall, so the amorphous alloy is easy to magnetize and has extremely small magnetic loss, which leads to the excellent soft magnetic performance, corrosion resistance, wear resistance, high hardness, high resistivity and the like. The amorphous alloy iron core is processed by using an amorphous strip, and has the characteristics of high resistivity, low hysteresis loss, low eddy current loss and the like, so that the amorphous alloy iron core can be magnetized and demagnetized with smaller energy, the no-load loss is reduced by 60-80% compared with that of a traditional transformer adopting a cold-rolled silicon steel sheet, and the energy-saving effect is obvious.
At present, the new annealing process of the amorphous alloy iron core mainly adopts nitrogen as protective gas, namely, after the iron core is placed in an annealing furnace, the annealing furnace is firstly filled with nitrogen, the air in the furnace is exhausted, and then the temperature is raised to carry out the heat treatment process on the iron core in the furnace.
However, the existing annealing process has the problems that the complete iron core manufacturing process is not available, the manufacturing efficiency is low, and the subsequent use of the iron core is not guaranteed.
Therefore, the annealing process of the amorphous alloy sensor iron core is very necessary to invent.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the annealing process for the amorphous alloy sensor iron core is provided to solve the problems that the existing annealing process has no complete iron core manufacturing process, the manufacturing efficiency is low and the subsequent use of the iron core is not guaranteed.
In order to solve the technical problems, the invention adopts the technical scheme that: the annealing process of the amorphous alloy sensor iron core specifically comprises the following steps:
the method comprises the following steps: preparing a master alloy, preparing an alloy master batch, purchasing raw materials, preparing according to a reasonable proportion of the master batch, cutting the alloy master batch by an alloy strip shearing machine, and performing surface rust removal treatment on the alloy master batch by a rust remover to remove a rust layer;
step two: smelting the master alloy, which specifically comprises the following steps:
the first step is as follows: smelting the processed alloy master batch into an iron core through a vacuum smelting furnace;
the second step is that: then taking out the smelted iron core, placing the smelted iron core into a vacuum cover, closing the vacuum cover, sucking out gas in the vacuum cover through a vacuum suction pump, and sucking the gas to be vacuum;
the third step: switching on a power supply of an annealing furnace, preparing for an annealing process, continuously injecting nitrogen into the vacuum cover, starting temperature recording work of a test point, preserving heat, stopping nitrogen injection work, opening the vacuum cover, taking out the iron core through a forklift, and finishing a smelting annealing process;
step three: the spraying belt specifically comprises the following steps:
the first step is as follows: carrying out induction heating on the mother alloy which is qualified by chemical analysis component inspection in a smelting furnace until the mother alloy is melted into molten steel;
the second step is that: sending molten steel into a nozzle bag, enabling the molten steel in the nozzle bag to pass through a cooling roller with a nozzle runner running at a high speed, and controlling the linear speed of the cooling roller and the distance between the nozzle bag and the cooling roller;
the third step: stripping the amorphous strip on the surface of the cooling roller by using gas through a strip spraying machine to form an amorphous strip, namely manufacturing the amorphous strip into a magnetic core ring, carrying out heat treatment on the magnetic core ring through a heat treatment furnace, and cooling the magnetic core ring to room temperature;
step four: band collection, namely performing band collection treatment on the magnetic core ring cooled to room temperature, removing burrs on the surface, and painting anti-rust paint to form an anti-rust paint layer protection surface;
step five: winding a magnetic core, namely winding the processed iron core on the outer wall of the surface of the iron core through a numerical control winding machine, performing sampling detection, removing unqualified wound iron core, and processing again or directly returning to a furnace for remanufacturing;
step six: performing heat treatment, namely performing primary heat treatment work on the iron core subjected to ring winding, performing surface hardness test work on the iron core, removing unqualified iron core, performing labeling treatment, temporarily storing and checking;
step seven: the defect monitoring method specifically comprises the following steps:
the first step is as follows: sequentially and flatly arranging iron cores with magnetic core rings on a platform to be detected from left to right, debugging a spectrum analyzer and a current error tester, and preparing for a detection process;
the second step is that: monitoring the iron core with the magnetic core ring by a spectrum analyzer, removing unqualified iron cores, labeling the qualified iron cores, and storing; then monitoring the conductivity of the iron core through a current error testing machine, removing unqualified iron cores, labeling and storing;
the third step: carrying out final monitoring treatment on the qualified iron cores, classifying, labeling, pre-storing and packaging;
step eight: subpackaging, namely subpackaging the monitored iron core, performing subpackaging preassembly work according to the requirements of sensors with different specifications, and performing marking pre-storage treatment;
step nine: magnetic monitoring, namely performing magnetic monitoring treatment on the subpackaged iron cores, performing a winding and electrifying test, determining the magnetic strength of the iron cores according to the quantity of the iron-adsorbing objects, and performing subsequent monitoring work on the iron cores;
step ten: winding the enameled wire, winding the packaged iron core through a full-automatic winding machine, processing the enameled wire, checking whether the surface of the enameled wire has a layer defect and a core leakage condition, and timely replacing or processing the enameled wire;
step eleven: testing, namely performing electrifying test work on the wound iron core again, performing magnetic secondary test, performing protection work on a winding wire end, sleeving a rubber sleeve, storing and labeling;
step twelve: packaging, namely packaging the iron core qualified in the test, performing winding iron core packaging work through a packaging machine, loading the iron core into the sensor, and performing pressing and gluing to complete packaging operation;
step thirteen: testing, namely performing the last test on the packaged iron core, taking out one of the packaged amorphous alloy sensors for testing, detecting the self-detection performance of the sensor, labeling and storing;
fourteen steps: and (5) storing finished products in a warehouse for rotation.
Preferably, in the first step, the alloy master batch is prepared according to the proportion of Fe, cu, Nb, Si and B, 73.5-74:1-1.5:3-3.5:13.5-14: 9-9.5.
Preferably, in the second step, in the annealing procedure, the temperature is raised from the normal temperature of 25-30 ℃ for 50-60min, then the temperature reaches 310-320 ℃, and then the temperature is preserved for 10-20 min; heating to 310-320 ℃ for 50-60min, then reaching 410-420 ℃, and then preserving heat for 10-20 min; heating to 410-420 ℃ for 50-60min, then reaching 480-490 ℃, and then preserving heat for 90-120 min; heating to 480-490 deg.C for 60-100min to 510-520 deg.C, and maintaining for 20-30 min; then the temperature is raised to 550-560 ℃ after 90-120min through 510-520 ℃, and then the temperature is preserved for 60-90 min.
Preferably, in step three, the linear speed of the cooling roll in the second step is set to 10m/s to 12m/s, and the distance between the nozzle packet and the cooling roll is set to 1m to 1.5 m.
Preferably, in step three, the room temperature in the third step is set to 25 ℃ to 30 ℃.
Preferably, in step ten, the winding speed is set to 0.2m/s to 0.3 m/s.
Preferably, in the twelfth step, a welding machine is further used in the package to perform a welding process.
Compared with the prior art, the invention has the following beneficial effects: the annealing process of the amorphous alloy sensor iron core is widely applied to the technical field of sensor iron core manufacturing. The invention has mature process, increases the whole manufacturing process of the iron core, improves the manufacturing efficiency, increases various testing modes to ensure the processing accuracy of the iron core, and adds a plurality of heating and heat-preserving processes in the annealing process to ensure the heating uniformity of the iron core, ensure the processing efficiency of the iron core, reduce the loss of the iron core and improve the quality of the iron core.
Drawings
Fig. 1 is a flow chart of an annealing process of an amorphous alloy sensor core.
FIG. 2 is a master alloy smelting flow chart.
Fig. 3 is a ribbon spraying flow chart.
FIG. 4 is a defect monitoring flow chart.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the annealing process of the amorphous alloy sensor core specifically comprises the following steps:
s101: preparing a master alloy, preparing an alloy master batch, purchasing raw materials, preparing according to a reasonable proportion of the master batch, cutting the alloy master batch by an alloy strip shearing machine, and performing surface rust removal treatment on the alloy master batch by a rust remover to remove a rust layer;
s102: smelting the master alloy, as shown in the attached figure 2, specifically comprising the following steps:
s201: smelting the processed alloy master batch into an iron core through a vacuum smelting furnace;
s202: then taking out the smelted iron core, placing the smelted iron core into a vacuum cover, closing the vacuum cover, sucking out gas in the vacuum cover through a vacuum suction pump, and sucking the gas to be vacuum;
s203: switching on a power supply of an annealing furnace, preparing for an annealing process, continuously injecting nitrogen into the vacuum cover, starting temperature recording work of a test point, preserving heat, stopping nitrogen injection work, opening the vacuum cover, taking out the iron core through a forklift, and finishing a smelting annealing process;
s103: the spray belt, as shown in fig. 3, specifically comprises the following steps:
s301: carrying out induction heating on the mother alloy which is qualified by chemical analysis component inspection in a smelting furnace until the mother alloy is melted into molten steel;
s302: sending molten steel into a nozzle bag, enabling the molten steel in the nozzle bag to pass through a cooling roller with a nozzle runner running at a high speed, and controlling the linear speed of the cooling roller and the distance between the nozzle bag and the cooling roller;
s303: stripping the amorphous strip on the surface of the cooling roller by using gas through a strip spraying machine to form an amorphous strip, namely manufacturing the amorphous strip into a magnetic core ring, carrying out heat treatment on the magnetic core ring through a heat treatment furnace, and cooling the magnetic core ring to room temperature;
s104: band collection, namely performing band collection treatment on the magnetic core ring cooled to room temperature, removing burrs on the surface, and painting anti-rust paint to form an anti-rust paint layer protection surface;
s105: winding a magnetic core, namely winding the processed iron core on the outer wall of the surface of the iron core through a numerical control winding machine, performing sampling detection, removing unqualified wound iron core, and processing again or directly returning to a furnace for remanufacturing;
s106: performing heat treatment, namely performing primary heat treatment work on the iron core subjected to ring winding, performing surface hardness test work on the iron core, removing unqualified iron core, performing labeling treatment, temporarily storing and checking;
s107: defect monitoring, as shown in fig. 4, specifically includes the following steps:
s701: sequentially and flatly arranging iron cores with magnetic core rings on a platform to be detected from left to right, debugging a spectrum analyzer and a current error tester, and preparing for a detection process;
s702: monitoring the iron core with the magnetic core ring by a spectrum analyzer, removing unqualified iron cores, labeling the qualified iron cores, and storing; then monitoring the conductivity of the iron core through a current error testing machine, removing unqualified iron cores, labeling and storing;
s703: carrying out final monitoring treatment on the qualified iron cores, classifying, labeling, pre-storing and packaging;
s108: subpackaging, namely subpackaging the monitored iron core, performing subpackaging preassembly work according to the requirements of sensors with different specifications, and performing marking pre-storage treatment;
s109: magnetic monitoring, namely performing magnetic monitoring treatment on the subpackaged iron cores, performing a winding and electrifying test, determining the magnetic strength of the iron cores according to the quantity of the iron-adsorbing objects, and performing subsequent monitoring work on the iron cores;
s1010: winding the enameled wire, winding the packaged iron core through a full-automatic winding machine, processing the enameled wire, checking whether the surface of the enameled wire has a layer defect and a core leakage condition, and timely replacing or processing the enameled wire;
s1011: testing, namely performing electrifying test work on the wound iron core again, performing magnetic secondary test, performing protection work on a winding wire end, sleeving a rubber sleeve, storing and labeling;
s1012: packaging, namely packaging the iron core qualified in the test, performing winding iron core packaging work through a packaging machine, loading the iron core into the sensor, and performing pressing and gluing to complete packaging operation;
s1013: testing, namely performing the last test on the packaged iron core, taking out one of the packaged amorphous alloy sensors for testing, detecting the self-detection performance of the sensor, labeling and storing;
s1014: and (5) storing finished products in a warehouse for rotation.
Preferably, in S101, the alloy master batch is prepared according to the ratio of Fe to cu to Nb to Si to B of 73.5-74:1-1.5:3-3.5:13.5-14: 9-9.5.
Preferably, in step S102, in the annealing step in S202, the temperature is raised from the normal temperature of 25 ℃ to 30 ℃ for 50 to 60min, then the temperature reaches 310 ℃ to 320 ℃, and then the temperature is maintained for 10 to 20 min; heating to 310-320 ℃ for 50-60min, then reaching 410-420 ℃, and then preserving heat for 10-20 min; heating to 410-420 ℃ for 50-60min, then reaching 480-490 ℃, and then preserving heat for 90-120 min; heating to 480-490 deg.C for 60-100min to 510-520 deg.C, and maintaining for 20-30 min; then the temperature is raised to 550-560 ℃ after 90-120min through 510-520 ℃, and then the temperature is preserved for 60-90 min.
Preferably, in S103, the linear velocity of the cooling roll in S302 is set to 10m/S to 12m/S, and the distance between the nozzle pack and the cooling roll is set to 1m to 1.5 m.
Preferably, in S103, the room temperature in S303 is set to 25 ℃ to 30 ℃.
Preferably, in S1010, the winding speed is set to 0.2m/S to 0.3 m/S.
Preferably, in S1012, a welding machine is further used for the package to perform a welding process.
Detailed description of the preferred embodiment
1. Preparing a master alloy, preparing an alloy master batch, purchasing raw materials, preparing according to a reasonable proportion of the master batch, cutting the alloy master batch by an alloy strip shearing machine, and performing surface rust removal treatment on the alloy master batch by a rust remover to remove a rust layer;
2. smelting a master alloy;
3. spraying a belt;
4. band collection, namely performing band collection treatment on the magnetic core ring cooled to room temperature, removing burrs on the surface, and painting anti-rust paint to form an anti-rust paint layer protection surface;
5. winding a magnetic core, namely winding the processed iron core on the outer wall of the surface of the iron core through a numerical control winding machine, performing sampling detection, removing unqualified wound iron core, and processing again or directly returning to a furnace for remanufacturing;
6. performing heat treatment, namely performing primary heat treatment work on the iron core subjected to ring winding, performing surface hardness test work on the iron core, removing unqualified iron core, performing labeling treatment, temporarily storing and checking;
7. the method comprises the following steps Monitoring defects;
8. subpackaging, namely subpackaging the monitored iron core, performing subpackaging preassembly work according to the requirements of sensors with different specifications, and performing marking pre-storage treatment;
9. magnetic monitoring, namely performing magnetic monitoring treatment on the subpackaged iron cores, performing a winding and electrifying test, determining the magnetic strength of the iron cores according to the quantity of the iron-adsorbing objects, and performing subsequent monitoring work on the iron cores;
10. winding the enameled wire, winding the packaged iron core through a full-automatic winding machine, processing the enameled wire, checking whether the surface of the enameled wire has a layer defect and a core leakage condition, and timely replacing or processing the enameled wire;
11. testing, namely performing electrifying test work on the wound iron core again, performing magnetic secondary test, performing protection work on a winding wire end, sleeving a rubber sleeve, storing and labeling;
12. packaging, namely packaging the iron core qualified in the test, performing winding iron core packaging work through a packaging machine, loading the iron core into the sensor, and performing pressing and gluing to complete packaging operation;
13. testing, namely performing the last test on the packaged iron core, taking out one of the packaged amorphous alloy sensors for testing, detecting the self-detection performance of the sensor, labeling and storing;
14. and (5) storing finished products in a warehouse for rotation.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (10)
1. The annealing process for the amorphous alloy sensor iron core is characterized by comprising the following steps:
the method comprises the following steps: preparing a master alloy, preparing an alloy master batch, purchasing raw materials, preparing according to a reasonable proportion of the master batch, cutting the alloy master batch by an alloy strip shearing machine, and performing surface rust removal treatment on the alloy master batch by a rust remover to remove a rust layer;
step two: smelting a master alloy;
step three: spraying a belt;
step four: band collection, namely performing band collection treatment on the magnetic core ring cooled to room temperature, removing burrs on the surface, and painting anti-rust paint to form an anti-rust paint layer protection surface;
step five: winding a magnetic core, namely winding the processed iron core on the outer wall of the surface of the iron core through a numerical control winding machine, performing sampling detection, removing unqualified wound iron core, and processing again or directly returning to a furnace for remanufacturing;
step six: performing heat treatment, namely performing primary heat treatment work on the iron core subjected to ring winding, performing surface hardness test work on the iron core, removing unqualified iron core, performing labeling treatment, temporarily storing and checking;
step seven: monitoring defects;
step eight: subpackaging, namely subpackaging the monitored iron core, performing subpackaging preassembly work according to the requirements of sensors with different specifications, and performing marking pre-storage treatment;
step nine: magnetic monitoring, namely performing magnetic monitoring treatment on the subpackaged iron cores, performing a winding and electrifying test, determining the magnetic strength of the iron cores according to the quantity of the iron-adsorbing objects, and performing subsequent monitoring work on the iron cores;
step ten: winding the enameled wire, winding the packaged iron core through a full-automatic winding machine, processing the enameled wire, checking whether the surface of the enameled wire has a layer defect and a core leakage condition, and timely replacing or processing the enameled wire;
step eleven: testing, namely performing electrifying test work on the wound iron core again, performing magnetic secondary test, performing protection work on a winding wire end, sleeving a rubber sleeve, storing and labeling;
step twelve: packaging, namely packaging the iron core qualified in the test, performing winding iron core packaging work through a packaging machine, loading the iron core into the sensor, and performing pressing and gluing to complete packaging operation;
step thirteen: testing, namely performing the last test on the packaged iron core, taking out one of the packaged amorphous alloy sensors for testing, detecting the self-detection performance of the sensor, labeling and storing;
fourteen steps: and (5) storing finished products in a warehouse for rotation.
2. An amorphous alloy sensor core annealing process according to claim 1, wherein in the second step, the mother alloy smelting specifically comprises the following steps:
the first step is as follows: smelting the processed alloy master batch into an iron core through a vacuum smelting furnace;
the second step is that: then taking out the smelted iron core, placing the smelted iron core into a vacuum cover, closing the vacuum cover, sucking out gas in the vacuum cover through a vacuum suction pump, and sucking the gas to be vacuum;
the third step: and switching on a power supply of the annealing furnace to prepare for an annealing process, continuously injecting nitrogen into the vacuum cover, starting to record the temperature of the test point, preserving heat, stopping injecting the nitrogen, opening the vacuum cover, taking out the iron core through a forklift, and finishing the smelting annealing process.
3. An amorphous alloy sensor core annealing process according to claim 1, wherein in step three, the strip spraying specifically comprises the following steps:
the first step is as follows: carrying out induction heating on the mother alloy which is qualified by chemical analysis component inspection in a smelting furnace until the mother alloy is melted into molten steel;
the second step is that: sending molten steel into a nozzle bag, enabling the molten steel in the nozzle bag to pass through a cooling roller with a nozzle runner running at a high speed, and controlling the linear speed of the cooling roller and the distance between the nozzle bag and the cooling roller;
the third step: and stripping the amorphous strip on the surface of the cooling roller by using gas through a strip spraying machine to form the amorphous strip, namely manufacturing the amorphous strip into a magnetic core ring, carrying out heat treatment on the magnetic core ring through a heat treatment furnace, and cooling the magnetic core ring to room temperature.
4. An amorphous alloy sensor core annealing process according to claim 1, wherein in step seven, the defect monitoring specifically comprises the following steps:
the first step is as follows: sequentially and flatly arranging iron cores with magnetic core rings on a platform to be detected from left to right, debugging a spectrum analyzer and a current error tester, and preparing for a detection process;
the second step is that: monitoring the iron core with the magnetic core ring by a spectrum analyzer, removing unqualified iron cores, labeling the qualified iron cores, and storing; then monitoring the conductivity of the iron core through a current error testing machine, removing unqualified iron cores, labeling and storing;
the third step: and finally monitoring the qualified iron cores, classifying, labeling, pre-storing and packaging.
5. An amorphous alloy sensor core annealing process according to claim 1, wherein in the first step, the alloy master batch is prepared according to the proportion of Fe, cu, Nb, Si, B and 73.5-74:1-1.5:3-3.5:13.5-14: 9-9.5.
6. An amorphous alloy sensor core annealing process according to claim 2, wherein in the second step, the annealing process is performed by heating from a normal temperature of 25 ℃ to 30 ℃ for 50-60min, then heating to 310 ℃ to 320 ℃, and then performing heat preservation for 10-20 min; heating to 310-320 ℃ for 50-60min, then reaching 410-420 ℃, and then preserving heat for 10-20 min; heating to 410-420 ℃ for 50-60min, then reaching 480-490 ℃, and then preserving heat for 90-120 min; heating to 480-490 deg.C for 60-100min to 510-520 deg.C, and maintaining for 20-30 min; then the temperature is raised to 550-560 ℃ after 90-120min through 510-520 ℃, and then the temperature is preserved for 60-90 min.
7. An amorphous alloy sensor core annealing process according to claim 3, wherein in step three, the linear velocity of the cooling roll in the second step is set to 10m/s to 12m/s, and the distance between the nozzle packet and the cooling roll is set to 1m to 1.5 m.
8. An amorphous alloy sensor core annealing process according to claim 3, characterized in that in step three, the room temperature is set to 25 ℃ -30 ℃ in the third step.
9. An amorphous alloy sensor core annealing process according to claim 1, characterized in that in step ten, the winding speed is set to 0.2m/s-0.3 m/s.
10. An annealing process for an amorphous alloy sensor core as recited in claim 1, wherein in step twelve, said packaging further comprises a welding process using a welding machine.
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| Publication number | Priority date | Publication date | Assignee | Title |
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