CN104911324B - Stalloy vacuum annealing process - Google Patents
Stalloy vacuum annealing process Download PDFInfo
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- CN104911324B CN104911324B CN201510400710.8A CN201510400710A CN104911324B CN 104911324 B CN104911324 B CN 104911324B CN 201510400710 A CN201510400710 A CN 201510400710A CN 104911324 B CN104911324 B CN 104911324B
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Abstract
The present invention relates to a kind of stalloy vacuum annealing process, it is characterised in that it comprises the following steps: the stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；B, after processing of step A, in-furnace temperature is risen to 400 500 DEG C, extracts waste gas in stove simultaneously out and be filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；C, through step B process after, 600 700 DEG C will be warming up in stove, and are incubated 34 hours；D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 34 hours.It is an object of the invention to provide a kind of stalloy vacuum annealing process, it can eliminate burr, and improve the flatness of stalloy.
Description
Technical field
The present invention relates to a kind of stalloy vacuum annealing process.
Background technology
The power transformer grain-oriented Si steel sheet of clipped molding, it is with the problem such as burr and bending, burr
Easily forming eddy current and noise increases, bending can cause current loss to increase.Accordingly, it would be desirable to it is a kind of effective
Processing method solves burr and the buckling problem of stalloy.
Summary of the invention
It is an object of the invention to provide a kind of stalloy vacuum annealing process, it can eliminate burr, and improve
The flatness of stalloy.
The purpose of the present invention is achieved through the following technical solutions: a kind of stalloy vacuum annealing process, its feature
Being, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 400-500 DEG C, extracts in stove waste gas out very simultaneously
Nitrogen it is filled with, nitrogen vacuum protection in holding furnace under dummy status；
C, through step B process after, 600-700 DEG C will be warming up in stove, and be incubated 3-4 hour；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 3-4 hour.
For prior art, it is an advantage of the current invention that:
(1) after vacuum annealing processes, burr eliminate, and the flatness of stalloy improves, so that whirlpool
Stream loss and current loss reduce, and noise reduces；
(2) vacuum annealing, can eliminate stalloy stress, and cloth is brilliant again, reduces iron loss, improves magnetic close.
Detailed description of the invention
Below in conjunction with embodiment, present invention is described in detail:
A kind of stalloy vacuum annealing process, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 400-500 DEG C, extracts out in temperature-rise period simultaneously
In stove, waste gas is filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；
C, through step B process after, 600-700 DEG C will be warming up in stove, and be incubated 3-4 hour；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 3-4 hour.
The concrete operations of described step C are, in-furnace temperature is warming up to 670-700 DEG C, and carry out protecting for the first time
Temperature, is incubated 1-1.5 hour；Thereafter in-furnace temperature is down to 600-630 DEG C, and carries out being incubated for the second time, protect
Temperature 0.5-1 hour；Finally in-furnace temperature being risen to 670-700 DEG C, and carry out being incubated for the third time, insulation is to being somebody's turn to do
Step completes；Starting to terminate to this step from carrying out being incubated for the first time, total used time is 3-4 hour.
The specific requirement stacking clamping in described step A is, by smooth for the specification finished product stacking shearing punching good,
After using hydraulic compression bolt fixing with corrosion resistant plate up and down, it is placed in annealing furnace and puts neatly.
Embodiment 1:
A kind of stalloy vacuum annealing process, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 400 DEG C, extracts out in stove in temperature-rise period simultaneously
Waste gas is filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；
C, through step B process after, 650 DEG C will be warming up in stove, and are incubated 4 hours；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 3 hours.
The stalloy of 30Q120 model, before not carrying out above-mentioned vacuum annealing, is that standard 17,000 is high in magnetic flux density B
This, time iron-loss per unit weight be 1.18W/Kg, magnetization volume is 1.82VA/Kg.Being eliminated by above-mentioned vacuum annealing should
After power and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 1.15W/Kg, unloaded
Loss decline 2.54%, magnetization volume is 1.72VA/Kg, and no-load current declines 5.5%.
The stalloy of 27QG100 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 0.98W/Kg, magnetization volume is 1.98VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 0.94W/Kg, empty
Load-loss declines 4.08%, and magnetization volume is 1.81VA/Kg, and no-load current declines 8.59%.
Embodiment 2:
A kind of stalloy vacuum annealing process, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 450 DEG C, extracts out in stove in temperature-rise period simultaneously
Waste gas is filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；
C, through step B process after, 700 DEG C will be warming up in stove, and are incubated 3 hours；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 3.5 hours.
After step D processes, generally need until after annealing furnace is naturally cooling to less than 200 DEG C, just stopping nitrogen
Vacuum protection, and blow-on can take out stalloy.
The stalloy of 30Q120 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 1.18W/Kg, magnetization volume is 1.82VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 1.14W/Kg, empty
Load-loss declines 3.39%, and magnetization volume is 1.68VA/Kg, and no-load current declines 7.7%.
The stalloy of 27QG100 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 0.98W/Kg, magnetization volume is 1.98VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 0.95W/Kg, empty
Load-loss declines 3.06%, and magnetization volume is 1.83VA/Kg, and no-load current declines 7.58%.
Embodiment 3:
A kind of stalloy vacuum annealing process, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 500 DEG C, extracts out in stove in temperature-rise period simultaneously
Waste gas is filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；
C, through step B process after, 600 DEG C will be warming up in stove, and are incubated 3.7 hours；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 4 hours.
The stalloy of 30Q120 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 1.18W/Kg, magnetization volume is 1.82VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 1.12W/Kg, empty
Load-loss declines 5.08%, and magnetization volume is 1.65VA/Kg, and no-load current declines 9.34%.
The stalloy of 27QG100 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 0.98W/Kg, magnetization volume is 1.98VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 0.92W/Kg, empty
Load-loss declines 6.12%, and magnetization volume is 1.79VA/Kg, and no-load current declines 9.60%.
Embodiment 4:
A kind of stalloy vacuum annealing process, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 460 DEG C, extracts out in stove in temperature-rise period simultaneously
Waste gas is filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；
C, after step B processes, in-furnace temperature is warming up to 680 DEG C, and carries out being incubated for the first time, insulation
1.3 hour；Thereafter in-furnace temperature is down to 610 DEG C, and carries out being incubated for the second time, be incubated 0.8 hour；?
After in-furnace temperature is risen to 700 DEG C, and carry out third time and be incubated, be incubated to this step and complete；From carrying out first
Secondary insulation starts to terminate to this step, and total used time is 3.6 hours；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 3.3 hours.
The stalloy of 30Q120 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 1.18W/Kg, magnetization volume is 1.82VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 1.11W/Kg, empty
Load-loss declines 5.93%, and magnetization volume is 1.63VA/Kg, and no-load current declines 10.44%.
The stalloy of 27QG100 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 0.98W/Kg, magnetization volume is 1.98VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 0.91W/Kg, empty
Load-loss declines 7.14%, and magnetization volume is 1.77VA/Kg, and no-load current declines 10.61%.
Embodiment 5:
A kind of stalloy vacuum annealing process, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 400 DEG C, extracts out in stove in temperature-rise period simultaneously
Waste gas is filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；
C, after step B processes, in-furnace temperature is warming up to 700 DEG C, and carries out being incubated for the first time, insulation
1 hour；Thereafter in-furnace temperature is down to 600 DEG C, and carries out being incubated for the second time, be incubated 0.5 hour；Finally
In-furnace temperature rising to 670 DEG C, and carries out being incubated for the third time, insulation to this step completes；From carrying out for the first time
Insulation starts to terminate to this step, and total used time is 3 hours；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 4 hours.
The stalloy of 30Q120 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 1.18W/Kg, magnetization volume is 1.82VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 1.10W/Kg, empty
Load-loss declines 6.78%, and magnetization volume is 1.62VA/Kg, and no-load current declines 10.99%.
The stalloy of 27QG100 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 0.98W/Kg, magnetization volume is 1.98VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 0.90W/Kg, empty
Load-loss declines 8.16%, and magnetization volume is 1.78VA/Kg, and no-load current declines 10.1%.
Embodiment 6:
A kind of stalloy vacuum annealing process, it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to 500 DEG C, extracts out in stove in temperature-rise period simultaneously
Waste gas is filled with nitrogen under vacuum conditions, nitrogen vacuum protection in holding furnace；
C, after step B processes, in-furnace temperature is warming up to 670 DEG C, and carries out being incubated for the first time, insulation
1.5 hour；Thereafter in-furnace temperature is down to 630 DEG C, and carries out being incubated for the second time, be incubated 1 hour；Finally
In-furnace temperature rising to 690 DEG C, and carries out being incubated for the third time, insulation to this step completes；From carrying out for the first time
Insulation starts to terminate to this step, and total used time is 4 hours；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 3 hours.
The stalloy of 30Q120 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 1.18W/Kg, magnetization volume is 1.82VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 1.09W/Kg, empty
Load-loss declines 7.63%, and magnetization volume is 1.61VA/Kg, and no-load current declines 11.53%.
The stalloy of 27QG100 model, before not carrying out above-mentioned vacuum annealing, is standard 17,000 in magnetic flux density B
Gauss, time iron-loss per unit weight be 0.98W/Kg, magnetization volume is 1.98VA/Kg.Eliminated by above-mentioned vacuum annealing
After stress and again cloth crystalline substance, magnetic flux density B is standard 17 kilogauss, time iron-loss per unit weight be 0.88W/Kg, empty
Load-loss declines 10.2%, and magnetization volume is 1.75VA/Kg, and no-load current declines 11.61%.
In embodiment 1 to embodiment 6, after vacuum annealing processes, burr eliminate, and stalloy flatness
Improve.The more important thing is, stalloy stress is eliminated, and cloth is brilliant again, open circuit loss and no-load current
Decline.During particularly step C uses embodiment 4 to the embodiment 6 of step heat preservation, its effect is better than reality
Execute example 1 to embodiment 3.
Claims (2)
1. a stalloy vacuum annealing process, it is characterised in that: it comprises the following steps:
Stalloy after A, stacking clamping is put in annealing furnace, seals thereafter annealing furnace；
B, after processing of step A, in-furnace temperature is risen to
400-500 DEG C, in extracting stove in temperature-rise period out, waste gas is filled with nitrogen under vacuum conditions simultaneously, nitrogen vacuum protection in holding furnace；
C, through step B process after, 600-700 DEG C will be warming up in stove, and be incubated 3-4 hour；
The concrete operations of described step C are, in-furnace temperature is warming up to 670-700 DEG C, and carry out being incubated for the first time, are incubated 1-1.5 hour；Thereafter in-furnace temperature is down to 600-630 DEG C, and carries out being incubated for the second time, be incubated 0.5-1 hour；Finally in-furnace temperature being risen to 670-700 DEG C, and carry out being incubated for the third time, insulation to this step completes；Starting to terminate to this step from carrying out being incubated for the first time, total used time is 3-4 hour；
D, after step C processes, 720 DEG C will be warming up in stove, and stop heating after being incubated 3-4 hour.
Stalloy vacuum annealing process the most according to claim 1, it is characterized in that: the specific requirement stacking clamping in described step A is, by smooth for the specification finished product stacking of shearing punching good, after using hydraulic compression bolt fixing with corrosion resistant plate up and down, be placed in annealing furnace put neat.
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| CN107276334B (en) * | 2017-07-15 | 2019-07-16 | 芜湖乾凯材料科技有限公司 | A kind of electric machine iron core of low stress and preparation method thereof |
| CN107881303A (en) * | 2017-12-30 | 2018-04-06 | 江苏创泰特钢制品有限公司 | Steel annealing process |
| CN111020131A (en) * | 2019-12-24 | 2020-04-17 | 东莞市大忠电子有限公司 | Annealing process of silicon steel iron core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355096A (en) * | 2011-10-12 | 2012-02-15 | 文登奥文电机有限公司 | Motor stamping oxidation and annealing process |
| CN103266205A (en) * | 2013-04-12 | 2013-08-28 | 南通新京隆电器有限公司 | EI type orientation silicon steel plate annealing process |
| JP5428580B2 (en) * | 2009-06-30 | 2014-02-26 | Ｊｆｅスチール株式会社 | Method for producing high silicon steel sheet |
| JP5533159B2 (en) * | 2010-04-07 | 2014-06-25 | 新日鐵住金株式会社 | Annealing separator for grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet |
| CN104195426A (en) * | 2014-03-26 | 2014-12-10 | 浙江龙盛薄板有限公司 | Semi-processed non-oriented silicon steel and manufacturing method thereof |
-
2015
- 2015-07-09 CN CN201510400710.8A patent/CN104911324B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5428580B2 (en) * | 2009-06-30 | 2014-02-26 | Ｊｆｅスチール株式会社 | Method for producing high silicon steel sheet |
| JP5533159B2 (en) * | 2010-04-07 | 2014-06-25 | 新日鐵住金株式会社 | Annealing separator for grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet |
| CN102355096A (en) * | 2011-10-12 | 2012-02-15 | 文登奥文电机有限公司 | Motor stamping oxidation and annealing process |
| CN103266205A (en) * | 2013-04-12 | 2013-08-28 | 南通新京隆电器有限公司 | EI type orientation silicon steel plate annealing process |
| CN104195426A (en) * | 2014-03-26 | 2014-12-10 | 浙江龙盛薄板有限公司 | Semi-processed non-oriented silicon steel and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王广宝.无取向磁性电工钢退火工艺研究.《安徽师范大学学报》.2015,第38卷(第2期),第149-152页. * |
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