JPH02163398A - Durable electrolytic method by electroplating conductor roll - Google Patents
Durable electrolytic method by electroplating conductor rollInfo
- Publication number
- JPH02163398A JPH02163398A JP31988988A JP31988988A JPH02163398A JP H02163398 A JPH02163398 A JP H02163398A JP 31988988 A JP31988988 A JP 31988988A JP 31988988 A JP31988988 A JP 31988988A JP H02163398 A JPH02163398 A JP H02163398A
- Authority
- JP
- Japan
- Prior art keywords
- roll
- plating
- current
- electrolyte
- rolls
- 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.)
- Pending
Links
- 238000009713 electroplating Methods 0.000 title claims abstract description 12
- 239000004020 conductor Substances 0.000 title abstract description 8
- 238000000034 method Methods 0.000 title abstract description 8
- 239000008151 electrolyte solution Substances 0.000 claims description 10
- 238000005868 electrolysis reaction Methods 0.000 claims description 9
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 238000007747 plating Methods 0.000 abstract description 31
- 229910000831 Steel Inorganic materials 0.000 abstract description 23
- 239000010959 steel Substances 0.000 abstract description 23
- 239000007921 spray Substances 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000003792 electrolyte Substances 0.000 abstract description 6
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 3
- 150000004706 metal oxides Chemical class 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 19
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 150000007514 bases Chemical class 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- 229910007567 Zn-Ni Inorganic materials 0.000 description 1
- 229910007614 Zn—Ni Inorganic materials 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 description 1
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
Landscapes
- Electroplating Methods And Accessories (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は電気めっき用通電ロールの長寿命電解方法に関
し、連続して通板される鋼帯のＺｎ、Ｚｎ−Ｎｉ等の電
気めっき分野において利用される。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a long-life electrolysis method for a current-carrying roll for electroplating, and is used in the field of electroplating of Zn, Zn-Ni, etc. of continuously passed steel strips. used.
鋼帯等の金居スＩ〜リップをめっきする方法としては、
横型、縦型、ラジアル型等種々あるが、いずれの方法に
おいても通電する方法としては１通電ロールを使用する
。As a method of plating Kanai slip I~lip of steel strip etc.,
There are various types such as horizontal type, vertical type, and radial type, but in each method, one energizing roll is used as the method of applying electricity.
その−例として第３図に示す横型電気めっき装置の場合
について説明する。As an example, a horizontal electroplating apparatus shown in FIG. 3 will be described.
鋼帯２は図において左から右へ通板されている。鋼帯２
は先ず入側の通電ロール（コンダクタ−ロール）４Ａと
バックアップロール６Ａとの間を通過するが、その際通
電ロール４ＡにはＺ、ｎ、Ｎｉ等のめつき金属が析出し
たり、また金属化合物や不溶性全屈酸化物等が付着して
通電抵抗の増大、極間電圧の上昇、アークスポットの形
成、もしくは鋼帯表面の押し傷等を発生するので、これ
を防止するため、スプレーノズル８からめっき液１０を
スプレーする。The steel strip 2 is threaded from left to right in the figure. steel strip 2
first passes between the energizing roll (conductor roll) 4A on the entry side and the backup roll 6A, but at this time, plating metals such as Z, n, and Ni are deposited on the energizing roll 4A, and metal compounds are deposited on the energizing roll 4A. In order to prevent this, the spray nozzle 8 has to be Spray plating solution 10.
鋼帯２がめつき槽１２に浸漬された不溶性電極１４の間
を通過する間にめっきされるが、この場合は鋼帯２が陰
極に、不溶性電極１４が陽極となって通電することによ
って金属イオンが鋼４；Ｆ２の表面に析出してめっきさ
れる。めつき槽１２には鋼帯２の入側に液面コントロー
ラ１６、出側にダムロール１８が設けられ。The steel strip 2 is plated while passing between the insoluble electrodes 14 immersed in the plating bath 12. In this case, the steel strip 2 serves as a cathode and the insoluble electrode 14 serves as an anode, and metal ions are removed by applying electricity. is precipitated and plated on the surface of Steel 4; F2. The plating tank 12 is provided with a liquid level controller 16 on the inlet side of the steel strip 2 and a dam roll 18 on the outlet side.
液面を調節する。まためつき槽１２の鋼帯２の出側には
、電解液用へラダーからスリット状ノズル２０を介して
鋼帯２の進行方向に対向して電解液を供給し、不溶性電
極１４の中央部に静圧の高い液体パッドを形成させ、鋼
帯２の通過を安定させている。めっきされた鋼帯２は出
側の通電ロール４Ｂおよびバックアップロール６Ｂの間
を通過し、次の洗浄工程に移行される。Adjust the liquid level. Further, on the outlet side of the steel strip 2 of the plating tank 12, an electrolytic solution is supplied from a ladder for electrolytic solution through a slit-shaped nozzle 20 facing the direction of movement of the steel strip 2, and the electrolytic solution is supplied to the central part of the insoluble electrode 14. A liquid pad with high static pressure is formed to stabilize the passage of the steel strip 2. The plated steel strip 2 passes between an energizing roll 4B and a backup roll 6B on the exit side, and is transferred to the next cleaning step.
鋼帯２にめっきすると、めっき槽１２中の金属イオン濃
度が低下し、水素イオン濃度も低下するので、ラインの
系外からめっき金属の塩基性化合物を粉末もしくはスラ
リー状の形で補給し、金属イオン濃度とｐＨを調整する
。When the steel strip 2 is plated, the metal ion concentration in the plating tank 12 decreases, and the hydrogen ion concentration also decreases. Therefore, a basic compound of the plating metal is supplied from outside the line in the form of powder or slurry, and the metal Adjust ion concentration and pH.
上記鋼帯２のめっきにおける通電ロール４Ａ、４Ｂにス
プレーするめつき液１０は、従来溶解力の高いものが、
その目的から有効であるので、ｐＦ１１〜２の低い着度
の高いめっき液を使用していた。その結果、通電ロール
４に析出する金属もしくは金属酸化物等の溶解の目的は
達しているものの、通電ロール４自体をも溶解し消耗が
大であるので短期間の取替えが必要であった。Conventionally, the plating liquid 10 sprayed onto the current-carrying rolls 4A and 4B in plating the steel strip 2 has a high dissolving power.
Since it is effective for that purpose, a plating solution with a low pF of 11 to 2 and a high degree of adhesion was used. As a result, although the purpose of dissolving the metal or metal oxide deposited on the current-carrying roll 4 was achieved, the current-carrying roll 4 itself was also melted, resulting in a large amount of wear and tear, requiring replacement within a short period of time.
通電ロール４としては、従来５ＵＳ３１６等のオーステ
ナイト系ステンレス鋼のロールもしくはハステロイと称
されるＮｉ基合金をスリーブ材料として使用したロール
、もしくはロール胴部表面がＮｉ基耐食合金マトリック
スとなり、該マトリックスに分散相として混在する１０
〜７０ｆｆ１ｍ％の炭化ニオブ粒子からなる複合層によ
り被覆されているローフしもある。The current-carrying roll 4 is conventionally a roll made of austenitic stainless steel such as 5US316, a roll using a Ni-based alloy called Hastelloy as the sleeve material, or a roll whose body surface has a Ni-based corrosion-resistant alloy matrix and is dispersed in the matrix. 10 mixed as a phase
Some loaves are coated with a composite layer of ~70ff1m% niobium carbide particles.
しかし、これらの通電ロールでは腐食はやや減少するも
のの未だ十分でなく、特にＮｉ基合金マトリックスと、
ＮｂＣ粒子からなる複合店で被覆されたロールは、ロー
ル材質中のマトリックスに分散相として混在する炭化ニ
オブは、めっき液による侵食は受けないが、Ｎ［基耐食
合金マトリックスがｉＶ＆腐食を受け、通電ロールの表
層部が凸凹状になるほか、通電抵抗が上昇し電力損失の
原因となる欠点がある。更に上記通電ロールの欠陥に基
づき、鋼帯のめつき層外観が針状もしくは筋状の模様が
発生し、めっき外観欠陥が発生するという欠点がある。However, although these energized rolls reduce corrosion somewhat, it is still not sufficient, especially when using a Ni-based alloy matrix.
Rolls coated with a composite material made of NbC particles are not attacked by the plating solution because niobium carbide, which is mixed in the matrix of the roll material as a dispersed phase, is not attacked by the plating solution, but the N [based corrosion-resistant alloy matrix is subjected to IV & corrosion, and the niobium carbide is not attacked by the plating solution. In addition to the surface layer of the roll becoming uneven, there is also a drawback that current carrying resistance increases, causing power loss. Furthermore, due to the defects in the current-carrying roll, the plated layer of the steel strip has a needle-like or streaky pattern in appearance, resulting in defects in the plating appearance.
上記の如く、鋼帯の電気めっきにおいて、通７’ｌ’？
ロールは極めて重要な作用を有する装置であるに拘らず
。As mentioned above, in electroplating of steel strip, 7'l'?
Despite the fact that the roll is a device with extremely important functions.
従来通電ロールの材質改善もしくは電解方法の改善の研
究はきわめて少く、材質改善を目的とする技術はほとん
ど見当らず、電解方法の改善により通′潰ロールの耐用
寿命を延長する研究に至っては皆無の状態である。There has been very little research into improving the material or electrolysis method of conventional energizing rolls, and almost no technology has been found to improve the material, and there has been no research on extending the service life of energizing rolls by improving the electrolysis method. state.
本発明の目的は、近時苛酷化しつつある電気めっき条件
において、使用される通電ロールとしては若干の材質的
向上はあるものの、上記の如く末だ満足すべき材質の通
電ロールが開発されていない現状に鑑み、ｆｆｉ解方法
を改善して通電ロールの耐用寿命の延長を図ろうとする
ものである。The object of the present invention is to meet the electroplating conditions that are becoming increasingly severe in recent years, and although there have been some improvements in the quality of current-carrying rolls used, as described above, a current-carrying roll made of a satisfactory material has not yet been developed. In view of the current situation, the objective is to improve the ffi solution method and extend the useful life of the current-carrying roll.
本発明の要旨とするところは次の如くである。すなわち
、電気めっき用通電ロールに電解液をスプレーもしくは
滴下によって供給しながら通電して行う電解方法におい
て、前記供給する電解液のｐＨを３〜４とすることを特
徴とする電気めっき用通電ロールの長寿命電解方法であ
る。The gist of the present invention is as follows. That is, in an electrolysis method in which an electrolytic solution is supplied to an energized roll for electroplating by spraying or dropping and energized, the pH of the supplied electrolytic solution is set to 3 to 4. It is a long-life electrolysis method.
本発明者は、通電ロールの耐用寿命の延長を図る目的か
ら、先ず、通電ロールの消耗機構を解明すべく種々実験
を繰返した結果１通電ロールの腐食はロール材質のみで
は解決せず、めっき液のｐＨ依存性が最も強いことを見
呂した。すなわち、本発明者の実験によると、ロールの
腐食度とスプレーするめっき液のｐＨとの間には、第１
図に示す如き関係が存在することが判明した。すなわち
、スプレーするめっき液のＰＨが工程度の低い時には５
通電ロールの腐食は最大で、ｐＨの増加と共に腐食度が
急激に減少し、ｐＨ：３以上になるとほぼ平行となって
通電ロールの腐食度が減少する。しかし、ｐＨが４を越
すと、通電ロールに析出する金属もしくは金属酸化物等
の溶解能力が減少してめっき液をスプレーする目的が達
成できないので、両者を加味してＰＨ：３〜４の範囲が
最もよいことが判明した。従って本発明において通電ロ
ールにスプレーするめつき液のＰＨを３〜４と限定した
。For the purpose of extending the useful life of the current-carrying roll, the present inventor first repeated various experiments to elucidate the consumption mechanism of the current-carrying roll.1 The corrosion of the current-carrying roll cannot be solved by the roll material alone, and the plating solution It was found that the pH dependence of That is, according to the inventor's experiments, there is a difference between the degree of corrosion of the roll and the pH of the plating solution to be sprayed.
It was found that the relationship shown in the figure exists. In other words, when the pH of the plating solution to be sprayed is low at a low process level, the pH is 5.
Corrosion of the current-carrying roll is maximum, and as the pH increases, the degree of corrosion rapidly decreases, and when the pH becomes 3 or higher, the corrosion rate of the current-carrying roll decreases to almost parallel levels. However, if the pH exceeds 4, the ability to dissolve metals or metal oxides deposited on the current-carrying roll decreases, making it impossible to achieve the purpose of spraying the plating solution. turned out to be the best. Therefore, in the present invention, the pH of the plating solution sprayed onto the energized roll is limited to 3 to 4.
なお、上記電気めっきの一例の説明より明らかなとおり
、めっき液全体は、鋼帯等の金属ストリップに析出する
ＺｎやＮｉ等の金属により、金属イオン濃度が低下する
と共に、水素イオン濃度も低下するので、系外から炭酸
亜鉛、炭酸ニッケル等の塩基性化合物を補給してｐ Ｉ
−ｉを調整しているが、これらの塩基性化合物を補給し
た後のめっき液がｐＨ：３〜４となっているので、新た
にスプレー液を！ｌ！Ｉ整せず、金属イオン補給後の電
解液をスプレー液として使用することによって本発明の
目的が達成できることが判明した。As is clear from the explanation of the above example of electroplating, the concentration of metal ions in the entire plating solution decreases due to metals such as Zn and Ni deposited on metal strips such as steel strips, and the concentration of hydrogen ions also decreases. Therefore, basic compounds such as zinc carbonate and nickel carbonate are supplied from outside the system to reduce pI.
-i has been adjusted, but after replenishing these basic compounds, the plating solution has a pH of 3 to 4, so a new spray solution is needed! l! It has been found that the object of the present invention can be achieved by using the electrolytic solution after metal ion replenishment as a spray solution without preparative treatment.
鋼帯の亜鉛めっき操業において第３図に示す如く、通電
ロール４Ａ、４Ｂにスプレーノズル８を介して従来法に
よりｐＨ：１〜２のめつき液をスプレ°−する方法によ
り、連続して８００時間Ｚｎめつきをした場合の１通電
ロールの直径減少量と、同一装置によって本発明により
ｐＨ：３〜４のめつき液をスプレーする方法にて連続８
００時間Ｚｎめっきを行い、通電ロール４Ａ、４Ｂのロ
ール直径の減少量を比較測定した結果は５第２図に示す
とおりである。すなわち、従来法による場合は８００時
間の電解操業で約０，６ｍφの直径が減量したのに対し
２本発明による電解操業では約０．１Ｂｍφのｗｔ、ｉ
にとどまった。これにより本発明による操業方法では著
しく通電ロールの消耗減量を抑制し寿命の延長が実現で
きることが判明した。In galvanizing operations for steel strips, as shown in FIG. 3, a plating solution having a pH of 1 to 2 is continuously sprayed onto the current-carrying rolls 4A and 4B through spray nozzles 8 using a conventional method. The amount of diameter reduction of one energized roll when Zn plating is carried out for one hour, and the diameter reduction of one energized roll when Zn plating is carried out for a continuous
Zn plating was carried out for 00 hours, and the reduction in roll diameter of the current-carrying rolls 4A and 4B was compared and measured, and the results are shown in FIG. That is, in the case of the conventional method, the diameter decreased by about 0.6 mφ in 800 hours of electrolytic operation, whereas in the electrolytic operation according to the present invention, the diameter decreased by about 0.1 Bmφ wt, i.
I stayed there. As a result, it has been found that the operating method according to the present invention can significantly suppress the wear and loss of the energizing roll and extend its life.
沼？＋Ｆ等の全屈ストリップのめつき装置に使用される
通電ロールは、材質的に従来よりやや改善されているも
のの、未だ満足すべき通電ロールが開発されていない現
状に鑑み、本発明は、電解方法を改善して、従来ｐＨ：
ｌ〜２の低ｐＨのスプレー液を通電ロールのスプレー用
に使用していたのを廃し、ＰＩ（：３〜４のスプレー液
を使用し、実操業においては、金属イオン補給後の電解
液をスプレー液として使用することにより、次の効果を
挙げることができた。Swamp? The current-carrying roll used in the plating device for fully bent strips such as +F has been slightly improved in terms of material compared to the past, but in view of the current situation that a satisfactory current-carrying roll has not yet been developed, the present invention Improved method, conventional pH:
The low pH spray solution used for spraying the energized roll has been discontinued, and a spray solution with a pH of 3 to 4 is now used.In actual operation, the electrolyte after metal ion replenishment is By using it as a spray liquid, the following effects could be achieved.
（イ） 通電ロールの重用寿命を著しく延長することが
できた。(a) It was possible to significantly extend the heavy duty life of the energizing roll.
（ロ） （イ）の結果、ロール取替工数が大幅に低減で
きた。(b) As a result of (a), the number of man-hours required for roll replacement was significantly reduced.
【図面の簡単な説明】
第１図は本発明を得る実験にて得られた通電ロールのロ
ール直径減少量と、スプレー液のｐＨとの関係を示す線
図、第２図は本発明の実施例における従来法との比較試
験における電解時間（Ｈ）と通電ロールのロール直径減
少ｆｆ１（−ｎφ）との関係を示す線図、第３図は鋼帯
の電気めっき装置中における通電ロールの一例を示す模
式断面図である。
２・・・鋼帯 ４ （４Ａ、４Ｂ）・・・通電ロ
ール６（６Ａ、６Ｂ）・・・バッグアップロール８・・
・スプレーノズル １０・・・めっき液１２・・・め
っき槽 ′ １４・・・不溶性電極（陽極）１６
・・・液面コントローラ １８・・・ダムロール２０・
・・スリット状ノズル[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a diagram showing the relationship between the roll diameter reduction amount of the energized roll obtained in experiments to obtain the present invention and the pH of the spray liquid, and Fig. 2 is a diagram showing the relationship between the roll diameter reduction amount of the energized roll obtained in the experiment for obtaining the present invention, and Fig. 2 A diagram showing the relationship between the electrolysis time (H) and the roll diameter reduction ff1 (-nφ) of the current-carrying roll in a comparative test with the conventional method in the example, Fig. 3 is an example of the current-carrying roll in the electroplating equipment for steel strips. FIG. 2...Steel strip 4 (4A, 4B)...Electrifying roll 6 (6A, 6B)...Bag up roll 8...
・Spray nozzle 10...Plating solution 12...Plating tank' 14...Insoluble electrode (anode) 16
...Liquid level controller 18...Dam roll 20.
・・Slit-shaped nozzle
Claims (2)
くは滴下によつて供給しながら通電して行う電解方法に
おいて、前記供給する電解液のｐＨを３〜４とすること
を特徴とする電気めつき用通電ロールの長寿命電解方法
。(1) An electrolysis method in which an electrolytic solution is supplied to an energizing roll for electroplating by spraying or dripping while energizing the roll, characterized in that the pH of the supplied electrolytic solution is 3 to 4. Long-life electrolysis method for energizing rolls.
解液を使用する請求項（１）に記載の電気めつき用通電
ロールの長寿命電解方法。(2) The long-life electrolysis method for a current-carrying roll for electroplating according to claim (1), wherein an electrolytic solution after metal ion replenishment is used as the electrolytic solution to be supplied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31988988A JPH02163398A (en) | 1988-12-19 | 1988-12-19 | Durable electrolytic method by electroplating conductor roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31988988A JPH02163398A (en) | 1988-12-19 | 1988-12-19 | Durable electrolytic method by electroplating conductor roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02163398A true JPH02163398A (en) | 1990-06-22 |
Family
ID=18115366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31988988A Pending JPH02163398A (en) | 1988-12-19 | 1988-12-19 | Durable electrolytic method by electroplating conductor roll |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02163398A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013124412A (en) * | 2011-12-16 | 2013-06-24 | Jfe Steel Corp | Method for preventing sticking of metal to conductor roll in continuous electroplating line, and metal sticking prevention method equipment |
-
1988
- 1988-12-19 JP JP31988988A patent/JPH02163398A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013124412A (en) * | 2011-12-16 | 2013-06-24 | Jfe Steel Corp | Method for preventing sticking of metal to conductor roll in continuous electroplating line, and metal sticking prevention method equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chandrasekar et al. | Pulse and pulse reverse plating—Conceptual, advantages and applications | |
| CA1221334A (en) | Strip electroplating using consumable and non- consumable anodes | |
| TWI763777B (en) | Method for the galvanic deposition of zinc and znic alloy coatings from an alkalne coating bath with reduced degradation of organic bath additives | |
| US20010054557A1 (en) | Electroplating of metals using pulsed reverse current for control of hydrogen evolution | |
| CN87100668A (en) | The plating of moving metal | |
| KR0175967B1 (en) | Steel plate plated with zinc and method for preparation of the same | |
| RU2281990C2 (en) | Method and plant for galvanic deposition of nickel, cobalt and nickel or cobalt alloys by means of repetitive current pulses | |
| JPH02163398A (en) | Durable electrolytic method by electroplating conductor roll | |
| PL95746B1 (en) | METHOD OF GALVANIC TINNING | |
| JPH0338352B2 (en) | ||
| JPS6141799A (en) | Method for supplying tin ion to electrolytic tinning bath | |
| JPH06158397A (en) | Method for electroplating metal | |
| JPS635474B2 (en) | ||
| JPH01100291A (en) | Chromium plating method | |
| JPS5811000B2 (en) | Manufacturing method of insoluble anode used for electrolysis of aqueous solution | |
| JPS586792B2 (en) | Aenion no Metsukiyokuhenokiyoukiyuhouhou | |
| JPH0233797B2 (en) | OBIKONIAENNNITSUKERUGOKINHIFUKUODENKIMETSUKISURUHOHO | |
| JPS6314073B2 (en) | ||
| JPH0459995A (en) | Electroplating apparatus and method | |
| JPH02285098A (en) | Protecting method for electrode for plating | |
| JPS62182297A (en) | Electrically conductive roll for electroplating having high corrosion resistance | |
| JPH05106085A (en) | Method for preventing elution of fe ion into electroplating solution | |
| JP2616024B2 (en) | Manufacturing method of electro-galvanized steel sheet with low degree of electrode damage | |
| JPH0329873B2 (en) | ||
| JPS5941517B2 (en) | Electrolytic treatment method for metal strip |