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Dong Mei - One of the best experts on this subject based on the ideXlab platform.

  • cold rolled non oriented Electrical Steel and production method thereof
    2016
    Co-Authors: He Feng, Pei Yinghao, Shi Lifa, Xia Xuelan, Dong Mei, Zhan Yungao, Wang Litao, Feng Hui, Pei Chenxin
    Abstract:

    The invention relates to cold-rolled non-oriented Electrical Steel and a production method thereof. The cold-rolled non-oriented Electrical Steel comprises, by weight, no more than 0.015% of C, 0.3%-0.9% of Si, 0.20%-0.80% of Mn, no more than 0.04% of P, 0.30%-0.70% of Als, no more than 0.008% of S, no more than 0.006% of N, no more than 0.006% of Ti and the balance Fe and inevitable impurities. A conventional hot rolling process is adopted, an Electrical Steel plate with the excellent performance is produced after normalizing treatment, and finished stamped Electrical Steel which is annealed is superior in magnetic performance, low in iron loss, high in magnetic induction and small in magnetic performance fluctuation.

  • Electrical Steel and production method thereof
    2015
    Co-Authors: Pei Yinghao, Shi Lifa, Xia Xuelan, Pei Chenxin, Wang Litao, Dong Mei
    Abstract:

    The invention relates to an Electrical Steel and a production method thereof. The Electrical Steel contains the following components in percentage by weight: at most 0.0045% of C, 2.2-3.5% of Si, 0.35-1.5% of Al, at most 0.0030% of S, at most 0.0030% of N, at most 0.0025% of Ti, 0.10-0.25 of Mn, and the balance of iron and inevitable impurities. The production method comprises the following steps: (1) molten Steel converter smelting; (2) RH vacuum treatment; (3) sheet billet continuous casting and continuous rolling; (4) soaking; (5) normalizing treatment; (6) acid pickling; (7) cold rolling; and (8) annealing to obtain the Electrical Steel finished product. The produced high-designation cold-rolled non-oriented Electrical Steel has the advantages of low iron loss, high magnetic induction intensity, high magnetic permeability, small periodic change of transverse thickness, and high lamination coefficient; and the hot-rolled strip coil is easy for acid pickling.

  • non oriented Electrical Steel with high magnetic induction and manufacturing method thereof
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to non-oriented Electrical Steel with high magnetic induction and a manufacturing method of the Steel. According to the manufacturing method of the Steel, high-quality board raw materials are provided for the subsequent processes by controlling heating speed of a normalizing and heating stage, controlling a speed of a normalizing and cooling stage and using cooperation of proper blasting and pickling processes. The magnetic induction B50 of the manufactured non-oriented Electrical Steel is increased by 200-500 gausses, and the quality level of the iron loss material object is increased by 3-5% under the conditions that additional alloy elements are not added and the annealing process of the finished product is not changed; and the magnetic property of the manufactured non-oriented Electrical Steel is further improved by optimizing the annealing process, so that the magnetic induction is further improved. The manufactured non-oriented Electrical Steel can meet the requirements of normal motors and also can meet the requirement of high magnetic induction of Electrical Steel applied to iron cores of efficient motors and frequency-variable motors; the efficiency of the motors can be improved; and the energy consumption and the noise of the manufactured non-oriented Electrical Steel can be reduced.

  • production method of Electrical Steel plate
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to a production method of an Electrical Steel plate. The production method comprises the following steps of (1), converter-smelting of molten Steel; (2), RH refining; (3), thin plate blank continuous casting and continuous rolling; (4), normalizing and pickling; (5), single rack cold-rolling; and (6), continuous annealing. Furthermore, the production method comprises the followings steps of: (7), coating; and (8), finishing. A cold-rolled non-orientated Steel belt produced by the method disclosed by the invention is excellent in magnetic performance, low in production cost, and can satisfy needs of downstream motor uses. Moreover, the invention firstly discloses a manufacturing process for non-orientated Electrical Steel plate without a phase-change chemical component at home, which is produced by thin plate blank continuous casting and continuous rolling, so that the advantages of producing non-orientated Electrical Steel with lower iron loss and high magnetic conductivity by thin plate blank continuous casting and continuous rolling are brought into full play, and therefore, technical support is provided for producing a high-level plate belt product on a thin plate blank continuous casting and continuous rolling line. And meanwhile, a production range for thin plate blank continuous casting and continuous rolling process products is further expanded.

  • pure acrylic emulsion preparation method thereof and Electrical Steel paint
    2014
    Co-Authors: Sun Zhiping, Pei Chenxin, Dong Mei, Zhan Yungao, Wang Litao, Feng Hui, Shen Xinyu, Chen Jian
    Abstract:

    The invention discloses a pure acrylic emulsion, a preparation method thereof and an Electrical Steel paint. The pure acrylic emulsion comprises the following components in percentage by weight: 10.0-20.0% of butyl acrylate, 15.0-30.0% of ethyl acrylate, 2.0-10.0% of iso-octyl acrylate, 0.3-2.0% of methyl methacrylate, 0.3-2.0% of acrylic acid, 0.1-1.5% of alkylphenol ethoxylates OP-10, 0.2-3.0% of alkylphenol ether sulfo succinate sodium salt MS-1, 0.2-1.5% of N-hydroxymethyl acrylamide, 0.2-5.0% of isopropanol, 0.1-1.5% of sodium bicarbonate, 0.1-1.5% of disodium hydrogen phosphate, 0.2-1.6% of ammonium persulfate, 0.1-0.8% of potassium peroxodisulfate, and 35.0-65.0% of water. The preparation method is as follows: pre-emulsified liquid and initiator water solution are prepared firstly, and are mixed and emulsified in batches to obtain the pure acrylic emulsion with narrow particle size distribution and thin particle size; the prepared Electrical Steel paint has good resin dispersibility and long storage period.

Pei Chenxin - One of the best experts on this subject based on the ideXlab platform.

  • cold rolled non oriented Electrical Steel and production method thereof
    2016
    Co-Authors: He Feng, Pei Yinghao, Shi Lifa, Xia Xuelan, Dong Mei, Zhan Yungao, Wang Litao, Feng Hui, Pei Chenxin
    Abstract:

    The invention relates to cold-rolled non-oriented Electrical Steel and a production method thereof. The cold-rolled non-oriented Electrical Steel comprises, by weight, no more than 0.015% of C, 0.3%-0.9% of Si, 0.20%-0.80% of Mn, no more than 0.04% of P, 0.30%-0.70% of Als, no more than 0.008% of S, no more than 0.006% of N, no more than 0.006% of Ti and the balance Fe and inevitable impurities. A conventional hot rolling process is adopted, an Electrical Steel plate with the excellent performance is produced after normalizing treatment, and finished stamped Electrical Steel which is annealed is superior in magnetic performance, low in iron loss, high in magnetic induction and small in magnetic performance fluctuation.

  • Electrical Steel and production method thereof
    2015
    Co-Authors: Pei Yinghao, Shi Lifa, Xia Xuelan, Pei Chenxin, Wang Litao, Dong Mei
    Abstract:

    The invention relates to an Electrical Steel and a production method thereof. The Electrical Steel contains the following components in percentage by weight: at most 0.0045% of C, 2.2-3.5% of Si, 0.35-1.5% of Al, at most 0.0030% of S, at most 0.0030% of N, at most 0.0025% of Ti, 0.10-0.25 of Mn, and the balance of iron and inevitable impurities. The production method comprises the following steps: (1) molten Steel converter smelting; (2) RH vacuum treatment; (3) sheet billet continuous casting and continuous rolling; (4) soaking; (5) normalizing treatment; (6) acid pickling; (7) cold rolling; and (8) annealing to obtain the Electrical Steel finished product. The produced high-designation cold-rolled non-oriented Electrical Steel has the advantages of low iron loss, high magnetic induction intensity, high magnetic permeability, small periodic change of transverse thickness, and high lamination coefficient; and the hot-rolled strip coil is easy for acid pickling.

  • non oriented Electrical Steel with high magnetic induction and manufacturing method thereof
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to non-oriented Electrical Steel with high magnetic induction and a manufacturing method of the Steel. According to the manufacturing method of the Steel, high-quality board raw materials are provided for the subsequent processes by controlling heating speed of a normalizing and heating stage, controlling a speed of a normalizing and cooling stage and using cooperation of proper blasting and pickling processes. The magnetic induction B50 of the manufactured non-oriented Electrical Steel is increased by 200-500 gausses, and the quality level of the iron loss material object is increased by 3-5% under the conditions that additional alloy elements are not added and the annealing process of the finished product is not changed; and the magnetic property of the manufactured non-oriented Electrical Steel is further improved by optimizing the annealing process, so that the magnetic induction is further improved. The manufactured non-oriented Electrical Steel can meet the requirements of normal motors and also can meet the requirement of high magnetic induction of Electrical Steel applied to iron cores of efficient motors and frequency-variable motors; the efficiency of the motors can be improved; and the energy consumption and the noise of the manufactured non-oriented Electrical Steel can be reduced.

  • production method of Electrical Steel plate
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to a production method of an Electrical Steel plate. The production method comprises the following steps of (1), converter-smelting of molten Steel; (2), RH refining; (3), thin plate blank continuous casting and continuous rolling; (4), normalizing and pickling; (5), single rack cold-rolling; and (6), continuous annealing. Furthermore, the production method comprises the followings steps of: (7), coating; and (8), finishing. A cold-rolled non-orientated Steel belt produced by the method disclosed by the invention is excellent in magnetic performance, low in production cost, and can satisfy needs of downstream motor uses. Moreover, the invention firstly discloses a manufacturing process for non-orientated Electrical Steel plate without a phase-change chemical component at home, which is produced by thin plate blank continuous casting and continuous rolling, so that the advantages of producing non-orientated Electrical Steel with lower iron loss and high magnetic conductivity by thin plate blank continuous casting and continuous rolling are brought into full play, and therefore, technical support is provided for producing a high-level plate belt product on a thin plate blank continuous casting and continuous rolling line. And meanwhile, a production range for thin plate blank continuous casting and continuous rolling process products is further expanded.

  • pure acrylic emulsion preparation method thereof and Electrical Steel paint
    2014
    Co-Authors: Sun Zhiping, Pei Chenxin, Dong Mei, Zhan Yungao, Wang Litao, Feng Hui, Shen Xinyu, Chen Jian
    Abstract:

    The invention discloses a pure acrylic emulsion, a preparation method thereof and an Electrical Steel paint. The pure acrylic emulsion comprises the following components in percentage by weight: 10.0-20.0% of butyl acrylate, 15.0-30.0% of ethyl acrylate, 2.0-10.0% of iso-octyl acrylate, 0.3-2.0% of methyl methacrylate, 0.3-2.0% of acrylic acid, 0.1-1.5% of alkylphenol ethoxylates OP-10, 0.2-3.0% of alkylphenol ether sulfo succinate sodium salt MS-1, 0.2-1.5% of N-hydroxymethyl acrylamide, 0.2-5.0% of isopropanol, 0.1-1.5% of sodium bicarbonate, 0.1-1.5% of disodium hydrogen phosphate, 0.2-1.6% of ammonium persulfate, 0.1-0.8% of potassium peroxodisulfate, and 35.0-65.0% of water. The preparation method is as follows: pre-emulsified liquid and initiator water solution are prepared firstly, and are mixed and emulsified in batches to obtain the pure acrylic emulsion with narrow particle size distribution and thin particle size; the prepared Electrical Steel paint has good resin dispersibility and long storage period.

Wang Litao - One of the best experts on this subject based on the ideXlab platform.

  • cold rolled non oriented Electrical Steel and production method thereof
    2016
    Co-Authors: He Feng, Pei Yinghao, Shi Lifa, Xia Xuelan, Dong Mei, Zhan Yungao, Wang Litao, Feng Hui, Pei Chenxin
    Abstract:

    The invention relates to cold-rolled non-oriented Electrical Steel and a production method thereof. The cold-rolled non-oriented Electrical Steel comprises, by weight, no more than 0.015% of C, 0.3%-0.9% of Si, 0.20%-0.80% of Mn, no more than 0.04% of P, 0.30%-0.70% of Als, no more than 0.008% of S, no more than 0.006% of N, no more than 0.006% of Ti and the balance Fe and inevitable impurities. A conventional hot rolling process is adopted, an Electrical Steel plate with the excellent performance is produced after normalizing treatment, and finished stamped Electrical Steel which is annealed is superior in magnetic performance, low in iron loss, high in magnetic induction and small in magnetic performance fluctuation.

  • Electrical Steel and production method thereof
    2015
    Co-Authors: Pei Yinghao, Shi Lifa, Xia Xuelan, Pei Chenxin, Wang Litao, Dong Mei
    Abstract:

    The invention relates to an Electrical Steel and a production method thereof. The Electrical Steel contains the following components in percentage by weight: at most 0.0045% of C, 2.2-3.5% of Si, 0.35-1.5% of Al, at most 0.0030% of S, at most 0.0030% of N, at most 0.0025% of Ti, 0.10-0.25 of Mn, and the balance of iron and inevitable impurities. The production method comprises the following steps: (1) molten Steel converter smelting; (2) RH vacuum treatment; (3) sheet billet continuous casting and continuous rolling; (4) soaking; (5) normalizing treatment; (6) acid pickling; (7) cold rolling; and (8) annealing to obtain the Electrical Steel finished product. The produced high-designation cold-rolled non-oriented Electrical Steel has the advantages of low iron loss, high magnetic induction intensity, high magnetic permeability, small periodic change of transverse thickness, and high lamination coefficient; and the hot-rolled strip coil is easy for acid pickling.

  • non oriented Electrical Steel with high magnetic induction and manufacturing method thereof
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to non-oriented Electrical Steel with high magnetic induction and a manufacturing method of the Steel. According to the manufacturing method of the Steel, high-quality board raw materials are provided for the subsequent processes by controlling heating speed of a normalizing and heating stage, controlling a speed of a normalizing and cooling stage and using cooperation of proper blasting and pickling processes. The magnetic induction B50 of the manufactured non-oriented Electrical Steel is increased by 200-500 gausses, and the quality level of the iron loss material object is increased by 3-5% under the conditions that additional alloy elements are not added and the annealing process of the finished product is not changed; and the magnetic property of the manufactured non-oriented Electrical Steel is further improved by optimizing the annealing process, so that the magnetic induction is further improved. The manufactured non-oriented Electrical Steel can meet the requirements of normal motors and also can meet the requirement of high magnetic induction of Electrical Steel applied to iron cores of efficient motors and frequency-variable motors; the efficiency of the motors can be improved; and the energy consumption and the noise of the manufactured non-oriented Electrical Steel can be reduced.

  • production method of Electrical Steel plate
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to a production method of an Electrical Steel plate. The production method comprises the following steps of (1), converter-smelting of molten Steel; (2), RH refining; (3), thin plate blank continuous casting and continuous rolling; (4), normalizing and pickling; (5), single rack cold-rolling; and (6), continuous annealing. Furthermore, the production method comprises the followings steps of: (7), coating; and (8), finishing. A cold-rolled non-orientated Steel belt produced by the method disclosed by the invention is excellent in magnetic performance, low in production cost, and can satisfy needs of downstream motor uses. Moreover, the invention firstly discloses a manufacturing process for non-orientated Electrical Steel plate without a phase-change chemical component at home, which is produced by thin plate blank continuous casting and continuous rolling, so that the advantages of producing non-orientated Electrical Steel with lower iron loss and high magnetic conductivity by thin plate blank continuous casting and continuous rolling are brought into full play, and therefore, technical support is provided for producing a high-level plate belt product on a thin plate blank continuous casting and continuous rolling line. And meanwhile, a production range for thin plate blank continuous casting and continuous rolling process products is further expanded.

  • pure acrylic emulsion preparation method thereof and Electrical Steel paint
    2014
    Co-Authors: Sun Zhiping, Pei Chenxin, Dong Mei, Zhan Yungao, Wang Litao, Feng Hui, Shen Xinyu, Chen Jian
    Abstract:

    The invention discloses a pure acrylic emulsion, a preparation method thereof and an Electrical Steel paint. The pure acrylic emulsion comprises the following components in percentage by weight: 10.0-20.0% of butyl acrylate, 15.0-30.0% of ethyl acrylate, 2.0-10.0% of iso-octyl acrylate, 0.3-2.0% of methyl methacrylate, 0.3-2.0% of acrylic acid, 0.1-1.5% of alkylphenol ethoxylates OP-10, 0.2-3.0% of alkylphenol ether sulfo succinate sodium salt MS-1, 0.2-1.5% of N-hydroxymethyl acrylamide, 0.2-5.0% of isopropanol, 0.1-1.5% of sodium bicarbonate, 0.1-1.5% of disodium hydrogen phosphate, 0.2-1.6% of ammonium persulfate, 0.1-0.8% of potassium peroxodisulfate, and 35.0-65.0% of water. The preparation method is as follows: pre-emulsified liquid and initiator water solution are prepared firstly, and are mixed and emulsified in batches to obtain the pure acrylic emulsion with narrow particle size distribution and thin particle size; the prepared Electrical Steel paint has good resin dispersibility and long storage period.

Shi Lifa - One of the best experts on this subject based on the ideXlab platform.

  • cold rolled non oriented Electrical Steel and production method thereof
    2016
    Co-Authors: He Feng, Pei Yinghao, Shi Lifa, Xia Xuelan, Dong Mei, Zhan Yungao, Wang Litao, Feng Hui, Pei Chenxin
    Abstract:

    The invention relates to cold-rolled non-oriented Electrical Steel and a production method thereof. The cold-rolled non-oriented Electrical Steel comprises, by weight, no more than 0.015% of C, 0.3%-0.9% of Si, 0.20%-0.80% of Mn, no more than 0.04% of P, 0.30%-0.70% of Als, no more than 0.008% of S, no more than 0.006% of N, no more than 0.006% of Ti and the balance Fe and inevitable impurities. A conventional hot rolling process is adopted, an Electrical Steel plate with the excellent performance is produced after normalizing treatment, and finished stamped Electrical Steel which is annealed is superior in magnetic performance, low in iron loss, high in magnetic induction and small in magnetic performance fluctuation.

  • Electrical Steel and production method thereof
    2015
    Co-Authors: Pei Yinghao, Shi Lifa, Xia Xuelan, Pei Chenxin, Wang Litao, Dong Mei
    Abstract:

    The invention relates to an Electrical Steel and a production method thereof. The Electrical Steel contains the following components in percentage by weight: at most 0.0045% of C, 2.2-3.5% of Si, 0.35-1.5% of Al, at most 0.0030% of S, at most 0.0030% of N, at most 0.0025% of Ti, 0.10-0.25 of Mn, and the balance of iron and inevitable impurities. The production method comprises the following steps: (1) molten Steel converter smelting; (2) RH vacuum treatment; (3) sheet billet continuous casting and continuous rolling; (4) soaking; (5) normalizing treatment; (6) acid pickling; (7) cold rolling; and (8) annealing to obtain the Electrical Steel finished product. The produced high-designation cold-rolled non-oriented Electrical Steel has the advantages of low iron loss, high magnetic induction intensity, high magnetic permeability, small periodic change of transverse thickness, and high lamination coefficient; and the hot-rolled strip coil is easy for acid pickling.

  • non oriented Electrical Steel with high magnetic induction and manufacturing method thereof
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to non-oriented Electrical Steel with high magnetic induction and a manufacturing method of the Steel. According to the manufacturing method of the Steel, high-quality board raw materials are provided for the subsequent processes by controlling heating speed of a normalizing and heating stage, controlling a speed of a normalizing and cooling stage and using cooperation of proper blasting and pickling processes. The magnetic induction B50 of the manufactured non-oriented Electrical Steel is increased by 200-500 gausses, and the quality level of the iron loss material object is increased by 3-5% under the conditions that additional alloy elements are not added and the annealing process of the finished product is not changed; and the magnetic property of the manufactured non-oriented Electrical Steel is further improved by optimizing the annealing process, so that the magnetic induction is further improved. The manufactured non-oriented Electrical Steel can meet the requirements of normal motors and also can meet the requirement of high magnetic induction of Electrical Steel applied to iron cores of efficient motors and frequency-variable motors; the efficiency of the motors can be improved; and the energy consumption and the noise of the manufactured non-oriented Electrical Steel can be reduced.

  • production method of Electrical Steel plate
    2014
    Co-Authors: Wang Litao, Pei Yinghao, Shi Lifa, Pei Chenxin, Dong Mei, He Feng, Feng Hui
    Abstract:

    The invention relates to a production method of an Electrical Steel plate. The production method comprises the following steps of (1), converter-smelting of molten Steel; (2), RH refining; (3), thin plate blank continuous casting and continuous rolling; (4), normalizing and pickling; (5), single rack cold-rolling; and (6), continuous annealing. Furthermore, the production method comprises the followings steps of: (7), coating; and (8), finishing. A cold-rolled non-orientated Steel belt produced by the method disclosed by the invention is excellent in magnetic performance, low in production cost, and can satisfy needs of downstream motor uses. Moreover, the invention firstly discloses a manufacturing process for non-orientated Electrical Steel plate without a phase-change chemical component at home, which is produced by thin plate blank continuous casting and continuous rolling, so that the advantages of producing non-orientated Electrical Steel with lower iron loss and high magnetic conductivity by thin plate blank continuous casting and continuous rolling are brought into full play, and therefore, technical support is provided for producing a high-level plate belt product on a thin plate blank continuous casting and continuous rolling line. And meanwhile, a production range for thin plate blank continuous casting and continuous rolling process products is further expanded.

  • non oriented Electrical Steel plate and production method thereof
    2013
    Co-Authors: He Feng, Pei Chenxin, Dong Mei, Zhan Yungao, Sun Zhiping, Wang Litao, Zhu Tao, Shi Lifa
    Abstract:

    The invention discloses a non-oriented Electrical Steel plate. The non-oriented Electrical Steel plate comprises the following components in percentage by mass: more than or equal to 0.0060 percent of C, 1.10 to 1.30 percent of Si, 0.60 to 0.70 percent of Mn, more than or equal to 0.10 percent of P, more than or equal to 0.0080 percent of S, 0.20 to 0.50 percent of Als, and the balance of Fe and inevitable impurity elements. The invention also discloses a production method of the non-oriented Electrical Steel plate. By adopting the technical scheme, the non-oriented Electrical Steel plate with high magnetic strength, low iron loss and excellent performance is obtained; a manufacturing process for producing the non-oriented Electrical Steel plate with excellent performance through sheet billet continuous casting and rolling is adopted, so that a technical support for producing a non-oriented Electrical Steel plate with a higher grade and excellent environmental protection performance on a sheet billet continuous casting and rolling line is provided; and through subsequent acid cleaning and cold rolling and continuous annealing production, non-oriented Electrical Steel products with excellent performance are provided for the motor manufacturing industry in batches.

A. A. Redikul’tsev - One of the best experts on this subject based on the ideXlab platform.