JP3267875B2 - Continuous electroplating method for steel sheet - Google Patents
Continuous electroplating method for steel sheetInfo
- Publication number
- JP3267875B2 JP3267875B2 JP25897896A JP25897896A JP3267875B2 JP 3267875 B2 JP3267875 B2 JP 3267875B2 JP 25897896 A JP25897896 A JP 25897896A JP 25897896 A JP25897896 A JP 25897896A JP 3267875 B2 JP3267875 B2 JP 3267875B2
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- JP
- Japan
- Prior art keywords
- iridium oxide
- oxide electrode
- steel sheet
- electrode
- plating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋼板の連続電気メ
ッキ方法に関する。さらに詳しくは、表面処理鋼板など
の鋼板を連続的に電気メッキする方法に関する。The present invention relates to a method for continuous electroplating of a steel sheet. More specifically, the present invention relates to a method for continuously electroplating a steel sheet such as a surface-treated steel sheet.
【０００２】[0002]
【従来の技術】電気メッキによって鋼板上にメッキ層を
形成させるばあい、メッキ層の厚さは、電極と鋼板との
間の総通電電気量によって決定される。したがって、従
来、電気メッキによって鋼板に所定厚さのメッキ層を形
成させる際には、電極と鋼板との間の総通電電気量を調
節するという操作が採られている。2. Description of the Related Art When a plating layer is formed on a steel sheet by electroplating, the thickness of the plating layer is determined by the total amount of electricity flowing between the electrode and the steel sheet. Therefore, conventionally, when a plating layer having a predetermined thickness is formed on a steel sheet by electroplating, an operation of adjusting the total amount of electricity flowing between the electrode and the steel sheet has been adopted.
【０００３】しかしながら、鋼板を電気メッキさせた際
には、たがいに向かいあう電極間に電位差があるばあ
い、電位の高い方の電極から電位の低い方の電極へ直接
流れる電流、いわゆる洩れ電流が発生し、この洩れ電流
によって電極が損耗することがあった。However, when a steel sheet is electroplated, if there is a potential difference between the electrodes facing each other, a current that flows directly from the higher potential electrode to the lower potential electrode, so-called leakage current, is generated. However, the electrodes may be worn by the leakage current.
【０００４】そこで、この洩れ電流を抑制するために、
たがいに向かいあう電極間の電位差を低減させる方法と
して、電極と鋼板との間隔を調整する方法、一方の電極
と鋼板との間のメッキ液流量および他方の電極と鋼板と
の間のメッキ液流量を調整する方法が考えられている。Therefore, in order to suppress this leakage current,
As a method of reducing the potential difference between the electrodes facing each other, a method of adjusting the interval between the electrode and the steel sheet, the plating solution flow rate between one electrode and the steel sheet and the plating solution flow rate between the other electrode and the steel sheet Adjustment methods are being considered.
【０００５】ところが、前者の方法によれば、電極間の
洩れ電流をなくすために電極と鋼板との間隔を微調整す
ることが困難であり、また後者の方法によれば、鋼板の
形状などによって電極間の洩れ電流に変動をきたすた
め、メッキ液流量をその都度微調整することは煩雑であ
った。However, according to the former method, it is difficult to finely adjust the distance between the electrode and the steel plate in order to eliminate a leakage current between the electrodes. Since the leakage current between the electrodes fluctuates, it is complicated to finely adjust the flow rate of the plating solution each time.
【０００６】[0006]
【発明が解決しようとする課題】本発明は、前記従来技
術に鑑みてなされたものであり、電極間の洩れ電流によ
って電極が損耗するのを容易に抑制することができる鋼
板の連続電気メッキ方法を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned prior art, and is directed to a method for continuously electroplating a steel sheet which can easily prevent the electrodes from being worn out due to a leakage current between the electrodes. The purpose is to provide.
【０００７】[0007]
【課題を解決するための手段】本発明は、酸化イリジウ
ム電極Ａおよび該酸化イリジウム電極Ａと並列された酸
化イリジウム電極Ｂからなるメッキセルが複数設けられ
た電気メッキ装置を用い、前記酸化イリジウム電極Ａと
前記酸化イリジウム電極Ｂとのあいだに鋼板を通板させ
て電気メッキする際に、各メッキセルの酸化イリジウム
電極Ａと酸化イリジウム電極Ｂとの電位差が、該酸化イ
リジウム電極Ａおよび該酸化イリジウム電極Ｂが損耗し
ない範囲内となるように、前記酸化イリジウム電極Ａと
鋼板との間の電流および前記酸化イリジウム電極Ｂと鋼
板との間の電流を調整することを特徴とする鋼板の連続
電気メッキ方法に関する。According to the present invention, there is provided an electroplating apparatus provided with a plurality of plating cells each including an iridium oxide electrode A and an iridium oxide electrode B arranged in parallel with the iridium oxide electrode A. When a steel sheet is passed between the iridium oxide electrode B and the iridium oxide electrode B to perform electroplating, the potential difference between the iridium oxide electrode A and the iridium oxide electrode B of each plating cell depends on the iridium oxide electrode A and the iridium oxide electrode B. A method for continuously electroplating a steel sheet, wherein a current between the iridium oxide electrode A and the steel sheet and a current between the iridium oxide electrode B and the steel sheet are adjusted so that the steel sheet is not worn. .
【０００８】[0008]
【発明の実施の形態】本発明によれば、酸化イリジウム
電極Ａおよび該酸化イリジウム電極Ａと並列された酸化
イリジウム電極Ｂからなるメッキセルが複数設けられた
電気メッキ装置を用い、前記酸化イリジウム電極Ａと前
記酸化イリジウム電極Ｂとのあいだに鋼板を通板させて
電気メッキする際に、各メッキセルの酸化イリジウム電
極Ａと酸化イリジウム電極Ｂとの電位差が、該酸化イリ
ジウム電極Ａおよび該酸化イリジウム電極Ｂが損耗しな
い範囲内となるように、前記酸化イリジウム電極Ａと鋼
板との間の電流および前記酸化イリジウム電極Ｂと鋼板
との間の電流を調整することにより、鋼板に電気メッキ
が施される。According to the present invention, the iridium oxide electrode A is used by using an electroplating apparatus provided with a plurality of plating cells each comprising an iridium oxide electrode A and an iridium oxide electrode B arranged in parallel with the iridium oxide electrode A. When a steel sheet is passed between the iridium oxide electrode B and the iridium oxide electrode B to perform electroplating, the potential difference between the iridium oxide electrode A and the iridium oxide electrode B of each plating cell depends on the iridium oxide electrode A and the iridium oxide electrode B. By adjusting the current between the iridium oxide electrode A and the steel sheet and the current between the iridium oxide electrode B and the steel sheet, the steel plate is subjected to electroplating so as to be within a range not to be worn.
【０００９】本発明は、各メッキセルの酸化イリジウム
電極Ａと酸化イリジウム電極Ｂとの電位差が、該酸化イ
リジウム電極Ａおよび該酸化イリジウム電極Ｂが損耗し
ない範囲内となるように、前記酸化イリジウム電極Ａと
鋼板との間の電流および前記酸化イリジウム電極Ｂと鋼
板との間の電流を調整する点に、１つの大きな特徴を有
する。このように、本発明は、酸化イリジウム電極Ａお
よび酸化イリジウム電極Ｂが損耗しないときの両電極間
の電位差に許容範囲があり、また複数のメッキセルを用
いることによる利点を活かして、個々のメッキセルの酸
化イリジウム電極Ａと鋼板との間の通電電流と、酸化イ
リジウム電極Ｂと鋼板との間の通電電流とのアンバラン
スを容認しつつ、両通電電流を調整することにより、酸
化イリジウム電極Ａおよび酸化イリジウム電極Ｂの損耗
を防止せんとしたものである。According to the present invention, the iridium oxide electrode A is controlled so that the potential difference between the iridium oxide electrode A and the iridium oxide electrode B of each plating cell is within a range where the iridium oxide electrode A and the iridium oxide electrode B are not worn. It has one major feature in that the current between the iridium oxide electrode B and the steel sheet is adjusted between the iridium oxide electrode B and the steel sheet. As described above, the present invention has an allowable range for the potential difference between the two electrodes when the iridium oxide electrode A and the iridium oxide electrode B do not wear out, and also takes advantage of the use of a plurality of plating cells to form individual plating cells. By adjusting both the energizing currents while allowing the imbalance between the energizing current between the iridium oxide electrode A and the steel sheet and the energizing current between the iridium oxide electrode B and the steel sheet, the iridium oxide electrode A and the oxidized This is to prevent the iridium electrode B from being worn.
【００１０】酸化イリジウム電極Ａおよび酸化イリジウ
ム電極Ｂの間に洩れ電流が発生することを防止すること
により、両電極の損耗を有効に抑制させるためには、両
電極の電位差は、通常、−１．５〜＋１．５Ｖ、なかん
づく−１．０〜＋１．０Ｖであることが好ましい。In order to prevent the occurrence of a leakage current between the iridium oxide electrode A and the iridium oxide electrode B and effectively suppress the wear of both electrodes, the potential difference between the two electrodes is usually -1. It is preferably from 0.5 to +1.5 V, especially from -1.0 to +1.0 V.
【００１１】なお、鋼板上にただ単にメッキ層を形成さ
せるのではなく、所定の厚さのメッキ層を形成させるば
あいには、全メッキセルにおける酸化イリジウム電極Ａ
と鋼板との間の総通電電気量および全メッキセルにおけ
る酸化イリジウム電極Ｂと鋼板との間の総通電電気量
が、それぞれ所定の厚さのメッキ層を形成させるのに必
要な電気量となるように調整すればよい。When a plating layer having a predetermined thickness is formed instead of simply forming a plating layer on a steel plate, the iridium oxide electrode A in all plating cells is used.
So that the total amount of electricity flowing between the iridium oxide electrode B and the steel plate in all the plating cells and the steel plate, and the total amount of electricity flowing between the steel plate and the steel plate are the amounts of electricity necessary to form a plating layer having a predetermined thickness, respectively. Should be adjusted.
【００１２】また、鋼板の両面に形成されるメッキ層の
厚さがいずれも等しいようにメッキするばあい、換言す
れば、等厚メッキを行なうばあい、一般的には、メッキ
効率を考慮して、全メッキセルにおける酸化イリジウム
電極Ａと鋼板との間の総通電電気量と、全メッキセルに
おける酸化イリジウム電極Ｂと鋼板との間の総通電電気
量とがほぼ等しくなるように通電すればよい。In the case where the plating layers formed on both surfaces of the steel plate are made to have the same thickness, in other words, in the case where the same thickness plating is performed, generally, the plating efficiency is taken into consideration. It is sufficient to supply electricity so that the total amount of electricity flowing between the iridium oxide electrode A and the steel plate in all plating cells and the total amount of electricity flowing between the iridium oxide electrode B and the steel plate in all plating cells are substantially equal.
【００１３】本発明の鋼板の連続電気メッキ方法に用い
られる電解液としては、たとえば亜鉛メッキを行なうば
あいには硫酸亜鉛水溶液が用いられ、また亜鉛−ニッケ
ルメッキを行なうばあいには硫酸亜鉛と硫酸ニッケルの
水溶液が用いられる。As the electrolytic solution used in the continuous electroplating method for steel sheets of the present invention, for example, an aqueous zinc sulfate solution is used when performing zinc plating, and zinc sulfate is used when performing zinc-nickel plating. An aqueous solution of nickel sulfate is used.
【００１４】前記電解液の電解質濃度は、その種類にも
よるが、通常、１５０〜６００ｇ／リットル程度であれ
ばよく、また電解液の液温は、通常、３０〜８０℃程度
であればよい。The electrolyte concentration of the electrolytic solution depends on the type thereof, but is usually about 150 to 600 g / liter, and the temperature of the electrolytic solution is usually about 30 to 80 ° C. .
【００１５】また、電流密度は、３０〜２００Ａ／ｄｍ
2程度であればよい。The current density is 30 to 200 A / dm.
It should be about 2 .
【００１６】[0016]
【実施例】つぎに、本発明の鋼板の連続電気メッキ方法
を実験例および実施例にもとづいてさらに詳細に説明す
るが、本発明はかかる実施例のみに限定されるものでは
ない。Next, the method for continuous electroplating of a steel sheet according to the present invention will be described in more detail with reference to experimental examples and examples, but the present invention is not limited to only these examples.
【００１７】実験例 図１に示されるようなメッキ装置を用意した。Experimental Example A plating apparatus as shown in FIG. 1 was prepared.
【００１８】陽極Ａ１および陽極Ｂ２として、それぞれ
酸化イリジウム電極（１０００×１２００×５０ｍｍ）
を用いた。An iridium oxide electrode (1000 × 1200 × 50 mm) was used as the anode A1 and the anode B2, respectively.
Was used.
【００１９】陽極Ａ１と陽極Ｂ２との中間位置に、板モ
デル（亜鉛板、１０００×１２００×０．８ｍｍ）３を
配設し、陽極Ａ１と陽極Ｂ２との極間距離を８０ｍｍに
調節した。また、参照電極として、陽極Ａ１から４００
ｍｍ離れた位置に参照電極Ａ（酸化イリジウム電極、１
０００×２００×５０ｍｍ）４を配設し、また陽極Ｂ２
から４００ｍｍ離れた位置に参照電極Ｂ（酸化イリジウ
ム電極、１０００×２００×５０ｍｍ）５を配設した。
なお、参照電極Ａ４と参照電極Ｂ５との極間距離を８０
ｍｍに設定した。A plate model (zinc plate, 1000 × 1200 × 0.8 mm) 3 was provided at an intermediate position between the anodes A1 and B2, and the distance between the anodes A1 and B2 was adjusted to 80 mm. Further, the anodes A1 to 400 are used as reference electrodes.
The reference electrode A (iridium oxide electrode, 1
000 × 200 × 50mm) 4 and the anode B2
A reference electrode B (iridium oxide electrode, 1000 × 200 × 50 mm) 5 was provided at a position 400 mm away from the substrate.
The distance between the reference electrode A4 and the reference electrode B5 is set to 80.
mm.
【００２０】つぎに、陽極Ａ１、陽極Ｂ２、板モデル
３、参照電極Ａ４および参照電極Ｂ５を液温が６０℃の
硫酸亜鉛３００ｇ／リットル、硫酸ナトリウム１００ｇ
／リットルおよび硫酸２０ｇ／リットルからなる電解液
中に浸漬したのち、当初、陽極Ａ１と板モデル３との間
の電圧および陽極Ｂ２と板モデル３との間の電圧が等し
くなるようにして徐々に陽極Ａ１と板モデル３との間の
電圧を高め、陽極Ａ１と陽極Ｂ２との電位差を高めた。
このときの参照電極Ａ４と参照電極Ｂ５との間の電位差
と、陽極Ｂ２と参照電極Ｂ５との間の洩れ電流密度との
関係を調べた。その結果を図２に示す。Next, the anode A1, the anode B2, the plate model 3, the reference electrode A4 and the reference electrode B5 were heated at a liquid temperature of 60 ° C. with 300 g / liter of zinc sulfate and 100 g of sodium sulfate.
/ L and sulfuric acid 20 g / l in an electrolyte, and then gradually make the voltage between the anode A1 and the plate model 3 and the voltage between the anode B2 and the plate model 3 gradually equal. The voltage between the anode A1 and the plate model 3 was increased, and the potential difference between the anode A1 and the anode B2 was increased.
At this time, the relationship between the potential difference between the reference electrode A4 and the reference electrode B5 and the leakage current density between the anode B2 and the reference electrode B5 was examined. The result is shown in FIG.
【００２１】図２に示された結果から、参照電極Ａ４と
参照電極Ｂ５との電位差が０〜１．５Ｖであるばあいに
は、洩れ電流が発生しないことがわかる。From the results shown in FIG. 2, it is understood that no leakage current occurs when the potential difference between the reference electrode A4 and the reference electrode B5 is 0 to 1.5V.
【００２２】実施例１ 図３に示されるようなメッキセル８を用意した。Example 1 A plating cell 8 as shown in FIG. 3 was prepared.
【００２３】陽極Ａ１および陽極Ｂ２として、酸化イリ
ジウム電極（１０００×２０００×５０ｍｍ）を用い、
陽極Ａ１と陽極Ｂ２との電極間距離を４０ｍｍに設定し
た。An iridium oxide electrode (1000 × 2000 × 50 mm) was used as the anode A1 and the anode B2.
The distance between the anode A1 and the anode B2 was set to 40 mm.
【００２４】陽極Ａ１および陽極Ｂ２の前後に、それぞ
れ一対の押さえロール３と通板ロール４および一対の上
通電ロール５と下通電ロール６を陽極Ａ１と陽極Ｂ２と
の中間位置に鋼板が通板するように配設し、各ロール間
に鋼板（板幅１２００ｍｍ、板厚０．８ｍｍ）１２を通
板させた。Before and after the anode A1 and the anode B2, a pair of pressing rolls 3 and passing rolls 4 and a pair of upper energizing rolls 5 and lower energizing rolls 6 are passed through a steel plate at an intermediate position between the anodes A1 and B2. Then, a steel plate (plate width: 1200 mm, plate thickness: 0.8 mm) 12 was passed between the rolls.
【００２５】つぎに、図３中の枠囲み７内を液温が６０
℃の硫酸亜鉛３００ｇ／リットル、硫酸ナトリウム１０
０ｇ／リットルおよび硫酸１０ｇ／リットルからなる電
解液中に浸漬した。Next, the liquid temperature is set to 60 in the box 7 in FIG.
300 g / liter of zinc sulfate, sodium sulfate 10
It was immersed in an electrolyte consisting of 0 g / l and sulfuric acid 10 g / l.
【００２６】かくして構成されたメッキセル８を１６セ
ル直列させて電気メッキ装置を作製した。An electroplating apparatus was manufactured by connecting 16 plating cells 8 thus configured in series.
【００２７】つぎに、各メッキセル８ごとに上通電ロー
ル５と陽極Ａ１との間に電流ＩTを流し、電流計９で確
認した。また、鋼板１２の上面に設けられるメッキ層
と、鋼板１２の下面に設けられるメッキ層との厚さが等
しくなるように、下通電ロール６と陽極Ｂ２との間に電
流ＩBを流し、電流計１０で確認した。そのときの陽極
Ａ１と陽極Ｂ２との電位差を電位差計１１で測定した。
それらの結果を表１に示す。Next, electric current I T between the upper conductive rolls 5 and the anode A1 in each plating cell 8 was confirmed by the ammeter 9. Further, flow and plating layer provided on the upper surface of the steel plate 12, so that the thickness of the plating layer provided on the lower surface of the steel plate 12 are equal, the current I B between the lower conductive rolls 6 and the anode B2, current A total of 10 confirmations were made. The potential difference between the anode A1 and the anode B2 at that time was measured by the potentiometer 11.
Table 1 shows the results.
【００２８】[0028]
【表１】 [Table 1]
【００２９】洩れ電流が発生しないようにするために
は、電位差が−１．５〜＋１．５Ｖの範囲内に収まるよ
うに調整することが好ましいが、かかる電位差は、でき
るだけ小さいことが望ましい。In order to prevent leakage current from occurring, it is preferable to adjust the potential difference so as to fall within the range of -1.5 to +1.5 V, but it is desirable that the potential difference be as small as possible.
【００３０】そこで、前記電位差が−１．０〜＋１．０
Ｖの範囲内に収まるように、実績電流ＩTまたはＩBを定
格電流を考慮して調整した。もとの定格電流から増減さ
せた実績電流値を表２に示す。Therefore, the potential difference is -1.0 to +1.0.
As fall within the scope and V, and the actual current I T or I B and adjusted to account for the rated current. Table 2 shows the actual current values that were increased or decreased from the original rated current.
【００３１】[0031]
【表２】 [Table 2]
【００３２】つぎに、表１に示した実績電流ＩTのトー
タル２６８．３ｋＡおよび実績電流ＩBのトータル２７
３．２ｋＡとなるようにするために、電位差が−１．０
〜＋１．０Ｖの範囲内に収まるようにして、実績電流Ｉ
TまたはＩBを調整した。その結果を表３に示す。なお、
表３中、（ ）内に記載の実績電流ＩTおよびＩBは、そ
れぞれ、表２に記載のもとの定格電流から増減させた実
績電流値である。Next, total 268.3kA and proven track record current I T shown in Table 1 current I B of the total 27
In order to obtain 3.2 kA, the potential difference was -1.0.
To +1.0 V, the actual current I
Adjusting the T or I B. Table 3 shows the results. In addition,
In Table 3, () Actual current I T and I B according to the are respectively the actual current value is increased or decreased from the original rated current according to Table 2.
【００３３】[0033]
【表３】 [Table 3]
【００３４】表３に示された結果から、実施例１の方法
によれば、電位差を−１．０〜＋１．０Ｖの範囲内に収
めつつ、所定の実績電流ＩTのトータル（総通電電気
量）および実績電流ＩBのトータル（総通電電気量）に
設定することができることがわかる。[0034] From the results shown in Table 3, according to the method of Example 1, while videos potential difference in the range of -1.0 to + 1.0 V, a total (total power electricity predetermined actual current I T it can be seen that it is possible to set the amount) and actual current I total B (total current electrical quantity).
【００３５】このことから、実施例１の方法によれば、
電極間の洩れ電流をなくすことができるので、電極が損
耗するのを防止することができることがわかる。From this, according to the method of the first embodiment,
It can be seen that since the leakage current between the electrodes can be eliminated, the electrodes can be prevented from being worn.
【００３６】また、所定の実績電流ＩTのトータルおよ
び実績電流ＩBのトータルに容易に調整することができ
るので、鋼板の両面に形成されたメッキ厚を等しくする
ことができる。Further, it is possible to easily adjust the total total and actual current I B of a predetermined record current I T, it is possible to equalize the plating thickness formed on both surfaces of the steel sheet.
【００３７】[0037]
【発明の効果】本発明の鋼板の連続電気メッキ方法によ
れば、電極間の洩れ電流によって電極が損耗するのを容
易に抑制することができるという効果が奏される。According to the method for continuous electroplating of a steel sheet of the present invention, there is an effect that the electrodes can be easily prevented from being worn out due to a leakage current between the electrodes.
【図１】本発明の実験例に用いられたメッキ装置の一実
施態様を示す概略説明図である。FIG. 1 is a schematic explanatory view showing one embodiment of a plating apparatus used in an experimental example of the present invention.
【図２】本発明の実験例における電位差と洩れ電流密度
との関係を示すグラフである。FIG. 2 is a graph showing a relationship between a potential difference and a leakage current density in an experimental example of the present invention.
【図３】本発明の実施例１で用いられたメッキセルの概
略説明図である。FIG. 3 is a schematic explanatory view of a plating cell used in Example 1 of the present invention.
１ 陽極Ａ（酸化イリジウム電極） ２ 陽極Ｂ（酸化イリジウム電極） ８ メッキセル １２ 鋼板 1 Anode A (iridium oxide electrode) 2 Anode B (iridium oxide electrode) 8 Plating cell 12 Steel plate
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) C25D 21/00 C25D 7/06 C25D 17/10 101 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) C25D 21/00 C25D 7/06 C25D 17/10 101
Claims (3)
ジウム電極Ａと並列された酸化イリジウム電極Ｂからな
るメッキセルが複数設けられた電気メッキ装置を用い、
前記酸化イリジウム電極Ａと前記酸化イリジウム電極Ｂ
とのあいだに鋼板を通板させて電気メッキする際に、各
メッキセルの酸化イリジウム電極Ａと酸化イリジウム電
極Ｂとの電位差が、該酸化イリジウム電極Ａおよび該酸
化イリジウム電極Ｂが損耗しない範囲内となるように、
前記酸化イリジウム電極Ａと鋼板との間の電流および前
記酸化イリジウム電極Ｂと鋼板との間の電流を調整する
ことを特徴とする鋼板の連続電気メッキ方法。An electroplating apparatus provided with a plurality of plating cells each including an iridium oxide electrode A and an iridium oxide electrode B arranged in parallel with the iridium oxide electrode A,
The iridium oxide electrode A and the iridium oxide electrode B
During the electroplating by passing a steel sheet between the above, the potential difference between the iridium oxide electrode A and the iridium oxide electrode B of each plating cell is within a range where the iridium oxide electrode A and the iridium oxide electrode B are not worn. So that
A continuous electroplating method for a steel sheet, comprising adjusting a current between the iridium oxide electrode A and the steel sheet and a current between the iridium oxide electrode B and the steel sheet.
電極Ｂとの電位差を−１．５〜＋１．５Ｖとする請求項
１記載の鋼板の連続電気メッキ方法。2. The method according to claim 1, wherein the potential difference between the iridium oxide electrode A and the iridium oxide electrode B is −1.5 to +1.5 V.
極Ａと鋼板との間の総通電電気量および全メッキセルに
おける酸化イリジウム電極Ｂと鋼板との間の総通電電気
量が、それぞれ所定の厚さのメッキ層を形成させるのに
必要な電気量となるように調整する請求項１または２記
載の鋼板の連続電気メッキ方法。3. A plating layer having a predetermined thickness, wherein the total amount of electricity flowing between the iridium oxide electrode A and the steel plate in all plating cells and the total amount of electricity flowing between the iridium oxide electrode B and the steel plate in all plating cells are respectively predetermined. 3. The method for continuous electroplating of a steel sheet according to claim 1, wherein the method is adjusted so as to have an amount of electricity necessary for forming the steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25897896A JP3267875B2 (en) | 1996-09-30 | 1996-09-30 | Continuous electroplating method for steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25897896A JP3267875B2 (en) | 1996-09-30 | 1996-09-30 | Continuous electroplating method for steel sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10102298A JPH10102298A (en) | 1998-04-21 |
| JP3267875B2 true JP3267875B2 (en) | 2002-03-25 |
Family
ID=17327664
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25897896A Expired - Fee Related JP3267875B2 (en) | 1996-09-30 | 1996-09-30 | Continuous electroplating method for steel sheet |
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| Country | Link |
|---|---|
| JP (1) | JP3267875B2 (en) |
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|---|---|---|---|---|
| JP5880303B2 (en) * | 2012-06-18 | 2016-03-09 | 日本電気硝子株式会社 | Electric melting furnace control system and glass manufacturing method using electric melting furnace control system |
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- 1996-09-30 JP JP25897896A patent/JP3267875B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10102298A (en) | 1998-04-21 |
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