JP6573766B2 - Brass plating wire manufacturing method and brass plating wire manufacturing apparatus - Google Patents
Brass plating wire manufacturing method and brass plating wire manufacturing apparatus Download PDFInfo
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Description
本発明は、ブラスめっきワイヤの製造方法およびブラスめっきワイヤの製造装置（以下、単に「製造方法」および「製造装置」とも称す）に関し、詳しくは、従来よりも簡便に、製造コストを低減することができるブラスめっきワイヤの製造方法およびブラスめっきワイヤの製造装置に関する。 The present invention relates to a method for manufacturing a brass-plated wire and a device for manufacturing a brass-plated wire (hereinafter, also simply referred to as “manufacturing method” and “manufacturing device”). The present invention relates to a brass plating wire manufacturing method and a brass plating wire manufacturing apparatus.
一般に、ブラスめっきワイヤは、直径約５．５ｍｍの高炭素鋼ロッドからなるワイヤ材を原材料とし、所定の中間線径まで繰り返し乾式伸線を加える乾式伸線工程と、得られたワイヤ材にパテンティング処理を加えるパテンティング処理工程と、パテンティング処理後のワイヤ材に銅、亜鉛を順次めっきし、その後熱を加えて銅−亜鉛合金（ブラス）とするブラスめっき工程と、得られたブラスめっきワイヤ材に連続湿式伸線加工を施す連続湿式伸線工程と、を経ることにより製造されている。 Generally, a brass plating wire is made from a wire material composed of a high carbon steel rod having a diameter of about 5.5 mm as a raw material, and a dry wire drawing process in which dry wire drawing is repeatedly performed up to a predetermined intermediate wire diameter, and the obtained wire material is coated with a patent. A patenting process for applying a plating process, a copper plating process for sequentially plating copper and zinc on the wire material after the patenting process, and then applying heat to obtain a copper-zinc alloy (brass), and the resulting brass plating It is manufactured through a continuous wet wire drawing process in which a wire material is subjected to continuous wet wire drawing.
しかしながら、ブラスめっきワイヤ材は、連続湿式伸線工程における潤滑性が悪いという問題を有している。この問題は、特に連続湿式伸線工程の初期段階に顕著である。この理由としては、ブラスめっきワイヤ材の表面に凹凸が存在すること、ブラスめっき処理における熱拡散処理時に生じた酸化亜鉛が表面に存在していること、が知られている。連続湿式伸線工程において、ブラスめっきワイヤ材の潤滑性が悪いと、連続湿式伸線工程で、ブラスめっきワイヤ材の断線や連続湿式伸線に用いるダイスの寿命の低下等が生じやすくなる。したがって、ブラスめっきワイヤ材の伸線速度の向上も難しく、また、ブラスめっきワイヤ材の伸線加工に要する電力も大きくなってしまう。 However, the brass plating wire material has a problem of poor lubricity in the continuous wet wire drawing process. This problem is particularly noticeable in the initial stage of the continuous wet drawing process. As the reason, it is known that the surface of the brass plating wire material has irregularities and that zinc oxide generated during the thermal diffusion process in the brass plating process exists on the surface. If the lubricity of the brass plating wire material is poor in the continuous wet drawing process, the brass plating wire material is easily disconnected in the continuous wet drawing process, and the life of the die used for continuous wet drawing is likely to decrease. Therefore, it is difficult to improve the drawing speed of the brass-plated wire material, and the electric power required for drawing the brass-plated wire material becomes large.
最終伸線加工速度を向上し、ブラスめっきワイヤ材の加工工程全体の生産性を向上させるために、特許文献１では、ワイヤ材にパテンティング処理を行い、次いでワイヤ材を酸洗し、その後ブラスめっき処理を行い、さらに電解化成処理によりりん酸塩被膜を形成し、乾式伸線加工あるいは湿式伸線加工を行う、ブラスめっきワイヤ材の高速加工が提案されている。 In Patent Document 1, in order to improve the final wire drawing speed and improve the productivity of the entire brass plating wire material, patent document 1 performs a patenting process on the wire material, then pickles the wire material, and then brass. There has been proposed high-speed processing of a brass plating wire material in which a plating treatment is performed, a phosphate film is formed by an electrolytic conversion treatment, and dry drawing or wet drawing is performed.
しかしながら、特許文献１で提案されているブラスめっきワイヤの製造方法は、ブラスめっきワイヤ材に、電解化成処理によるりん酸塩被膜を形成する工程を含んでいるため、設備および製造工程が複雑になるといった問題を有している。また、廃液処理が必要となるため製造コストが高くなってしまうため、実用上好ましくはない。 However, the method for manufacturing a brass plating wire proposed in Patent Document 1 includes a step of forming a phosphate coating by electrolytic conversion treatment on the brass plating wire material, so that the equipment and the manufacturing process become complicated. Have the problem. Further, since waste liquid treatment is required, the manufacturing cost is increased, which is not preferable in practice.
そこで、本発明の目的は、従来よりも簡便に、製造コストを低減することができるブラスめっきワイヤの製造方法およびブラスめっきワイヤの製造装置を提供することにある。 Therefore, an object of the present invention is to provide a brass-plated wire manufacturing method and a brass-plated wire manufacturing apparatus that can reduce the manufacturing cost more simply than before.
本発明者らは、上記課題を解消するために鋭意検討した結果、ブラスめっきワイヤ材に所定の潤滑被膜処理液を用いて潤滑被膜処理を行うことにより、連続湿式伸線に先立つ湯洗処理、酸化亜鉛低減処理等の前処理を省くことができ、また、潤滑被膜付着量が少なくても十分な潤滑性が得られることを見出し、本発明を完成するに至った。 As a result of intensive studies to solve the above problems, the present inventors have performed a lubricating film treatment using a predetermined lubricating film treatment liquid on a brass-plated wire material, thereby performing a hot water washing process prior to continuous wet wire drawing, It has been found that pretreatment such as zinc oxide reduction treatment can be omitted, and that sufficient lubricity can be obtained even when the amount of the lubricant coating is small, and the present invention has been completed.
すなわち、本発明のブラスめっきワイヤの製造方法は、ワイヤ材にブラスめっき処理を施すブラスめっき工程と、得られたブラスめっきワイヤ材を所定の線径まで伸線する連続湿式伸線工程と、を有するブラスめっきワイヤの製造方法において、
前記ブラスめっき工程後、前記連続湿式伸線工程前に、有機ケイ素化合物を含有する潤滑被膜処理液で潤滑被膜を形成する潤滑被膜処理工程を有し、
前記有機ケイ素化合物が、下記化学式（Ｉ）、
Ｙ〜Ｓｉ−（ＯＲ）３−ｎ （Ｉ）
（ここで、Ｙはビニル基、アミノ基、またはメルカプト基を表し、（ＯＲ）は加水分解性のアルコキシ基を表す。）で表されるものであることを特徴とするものである。
That is, the method for producing a brass-plated wire of the present invention includes a brass plating step of performing a brass plating process on a wire material, and a continuous wet wire drawing step of drawing the obtained brass-plated wire material to a predetermined wire diameter. In a method for producing a brass-plated wire having:
After the brass plating step, before the continuous wet wire drawing step, it has a lubricating coating treatment step of forming a lubricating coating with a lubricating coating treatment liquid containing an organosilicon compound,
The organosilicon compound has the following chemical formula (I),
Y-Si- (OR) 3-n (I)
(Wherein Y represents a vinyl group, an amino group, or a mercapto group, and (OR) represents a hydrolyzable alkoxy group).
本発明の製造方法においては、前記潤滑被膜の付着量は０．０５〜１．０ｍｇ／ｍ２とすることが好ましい。また、本発明の製造方法においては、前記潤滑被膜処理工程の後、乾燥工程を有することが好ましい。 In the manufacturing method of this invention, it is preferable that the adhesion amount of the said lubricating film shall be 0.05-1.0 mg / m < 2 >. Moreover, in the manufacturing method of this invention, it is preferable to have a drying process after the said lubricating film processing process.
本発明のブラスめっきワイヤの製造装置は、連続湿式伸線装置と、該連続湿式伸線装置の入線側に、潤滑被膜処理液を貯留する潤滑被膜処理槽を有する潤滑被膜処理装置と、を備え、ブラスめっきワイヤ材が、前記潤滑被膜処理装置と前記連続湿式伸線装置とに順に通線可能であり、
前記潤滑被膜処理液が下記化学式（Ｉ）、
Ｙ〜Ｓｉ−（ＯＲ）３−ｎ （Ｉ）
（ここで、Ｙはビニル基、アミノ基、またはメルカプト基を表し、（ＯＲ）は加水分解性のアルコキシ基を表す。）で表される有機ケイ素化合物を含有することを特徴とするものである。
The brass-plated wire manufacturing apparatus of the present invention includes a continuous wet wire drawing device, and a lubricating film processing device having a lubricating film treatment tank for storing a lubricating film treatment liquid on the incoming side of the continuous wet wire drawing device. The brass plating wire material can be sequentially passed through the lubricating coating apparatus and the continuous wet wire drawing apparatus,
The lubricating coating treatment liquid has the following chemical formula (I),
Y-Si- (OR) 3-n (I)
(Wherein Y represents a vinyl group, an amino group, or a mercapto group, and (OR) represents a hydrolyzable alkoxy group). .
本発明の製造装置においては、好適には、前記潤滑被膜処理装置と前記連続湿式伸線装置との間に、乾燥装置を備える。 In the manufacturing apparatus of the present invention, preferably, a drying apparatus is provided between the lubricating coating apparatus and the continuous wet wire drawing apparatus.
本発明によれば、従来よりも簡便に、製造コストを低減することができるブラスめっきワイヤの製造方法およびブラスめっきワイヤの製造装置を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the manufacturing method of a brass plating wire and the manufacturing apparatus of a brass plating wire which can reduce manufacturing cost more simply than before can be provided.
以下、本発明の実施の形態を図面を用いて詳細に説明する。
本発明のブラスめっきワイヤの製造方法は、ワイヤ材にブラスめっき処理を施すブラスめっき工程と、得られたブラスめっきワイヤ材を所定の線径まで伸線する連続湿式伸線工程と、を有する。図１は、本発明の一好適な実施の形態に係るブラスめっきワイヤの製造方法を用いたブラスめっきワイヤの製造方法のフローチャートである。図示例においては、まず、ワイヤ材に乾式伸線工程１にて乾式伸線処理を施し、次いで、パテンティング工程２で、得られたワイヤ材に対してパテンティング処理を施し、その後、ブラスめっき工程３で、ワイヤ材にブラスめっき処理を施している。本発明のブラスめっきワイヤの製造方法においては、ブラスめっき工程３後、連続湿式伸線工程６前に、有機ケイ素化合物を含有する潤滑被膜処理液で潤滑被膜を形成する潤滑被膜処理工程４を有する。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
The method for producing a brass-plated wire according to the present invention includes a brass plating process in which a wire material is subjected to a brass plating process, and a continuous wet wire drawing process in which the resulting brass-plated wire material is drawn to a predetermined wire diameter. FIG. 1 is a flowchart of a method of manufacturing a brass plating wire using the method of manufacturing a brass plating wire according to a preferred embodiment of the present invention. In the illustrated example, the wire material is first subjected to a dry wire drawing process in the dry wire drawing process 1, and then the patent material is subjected to a patenting process in the patenting process 2, followed by brass plating. In step 3, the wire material is subjected to brass plating. The brass-plated wire manufacturing method of the present invention has a lubricating coating treatment step 4 for forming a lubricating coating with a lubricating coating treatment liquid containing an organosilicon compound after the brass plating step 3 and before the continuous wet drawing step 6. .
有機ケイ素化合物を含有する潤滑被膜処理液にてブラスめっきワイヤ材に潤滑被膜処理を行うことで、連続湿式伸線に先立つ湯洗処理や、酸化亜鉛低減処理等の前処理を省いても、連続湿式伸線工程６において、十分な潤滑性を得ることができる。また、本発明の潤滑被膜処理工程４は、ブラスめっきワイヤ材を潤滑被膜処理液に接触させるだけでよいため、電解化成処理のように大掛かりな設備を必要とせず、また、製造工程が複雑になるようなこともない。ブラスめっきワイヤ材を潤滑被膜処理液に接触させる方法としては、潤滑被膜処理液を貯留してある浴等にブラスめっきワイヤ材を通線して浸漬させればよいが、これに限られるものではない。これ以外にも、ブラスめっきワイヤ材に潤滑被膜処理液をスプレーする方法や、流し掛ける方法、または刷毛塗り等でもよい。 Even if the pretreatment such as hot water washing and zinc oxide reduction treatment prior to continuous wet wire drawing is omitted, the brass plating wire material is lubricated with a lubricating coating solution containing an organosilicon compound. In the wet wire drawing step 6, sufficient lubricity can be obtained. In addition, since the lubricating coating treatment process 4 of the present invention only needs to bring the brass plating wire material into contact with the lubricating coating treatment liquid, it does not require a large facility as in the electrolytic conversion treatment, and the manufacturing process is complicated. There is no such thing. As a method of bringing the brass plating wire material into contact with the lubricating coating solution, the brass plating wire material may be immersed in a bath or the like in which the lubricating coating solution is stored, but this is not a limitation. Absent. In addition to this, a method of spraying a lubricating coating solution onto a brass plating wire material, a method of pouring, a brush coating, or the like may be used.
本発明の製造方法に係る潤滑被膜処理液中の有機ケイ素化合物としては、下記化学式（Ｉ）、
Ｙ〜Ｓｉ−（ＯＲ）３−ｎ （Ｉ）
で表される、いわゆるシランカップリング剤が好適である。ここで、Ｙはビニル基、アミノ基、メルカプト基等の有機官能基等を表し、（ＯＲ）は加水分解性のアルコキシ基等を表す。
As the organosilicon compound in the lubricating film treatment liquid according to the production method of the present invention, the following chemical formula (I),
Y-Si- (OR) 3-n (I)
A so-called silane coupling agent represented by Here, Y represents an organic functional group such as a vinyl group, an amino group, or a mercapto group, and (OR) represents a hydrolyzable alkoxy group or the like.
シランカップリング剤としては、ビニルトリメトキシシラン、ビニルトリエトキシシラン、γ−グリシドキシプロピルメチルジエトキシシラン、γ−グリシドキシプロピルトリメトキシシラン、γ−メタクリロキシプロピルトリメトキシシラン、γ−アミノプロピルトリエトキシシラン、γ−アミノプロピルメチルジメトキシシラン、Ｎ−β（アミノエチル）γ−アミノプロピルトリエトキシシラン、γ−メルカプトプロピルトリメトキシシラン、テトラメトキシシラン、メチルトリメトキシシラン、ジメチルジメトキシシラン等を挙げることができる。 Examples of silane coupling agents include vinyltrimethoxysilane, vinyltriethoxysilane, γ-glycidoxypropylmethyldiethoxysilane, γ-glycidoxypropyltrimethoxysilane, γ-methacryloxypropyltrimethoxysilane, and γ-amino. Propyltriethoxysilane, γ-aminopropylmethyldimethoxysilane, N-β (aminoethyl) γ-aminopropyltriethoxysilane, γ-mercaptopropyltrimethoxysilane, tetramethoxysilane, methyltrimethoxysilane, dimethyldimethoxysilane, etc. Can be mentioned.
また、有機ケイ素化合物を溶解させる溶媒としては、ブラスめっきの前処理に適当な溶媒、例えば、水、メチルアルコール、エチルアルコール、２−プロパノール、エチレングリコール、ポリエチレングリコール等を用いることができ、これら溶媒は１種単独で用いてもよいし、２種以上を混合して用いてもよい。なお、これら溶媒に有機ケイ素化合物を溶解させ、ブラスめっき表面に付着させる場合、溶媒のｐＨが有機ケイ素化合物の付着安定性に影響するが、これらの溶媒のｐＨは、一般に２〜７の範囲が好ましい。 As the solvent for dissolving the organosilicon compound, a solvent suitable for pretreatment of brass plating, for example, water, methyl alcohol, ethyl alcohol, 2-propanol, ethylene glycol, polyethylene glycol and the like can be used. May be used individually by 1 type, and 2 or more types may be mixed and used for them. In addition, when the organosilicon compound is dissolved in these solvents and adhered to the surface of the brass plating, the pH of the solvent affects the adhesion stability of the organosilicon compound, but the pH of these solvents is generally in the range of 2-7. preferable.
本発明の製造方法に係る潤滑被膜処理液における有機ケイ素化合物の濃度は、特に制限はないが、１〜２００ｇ／Ｌ、好ましくは、５〜１５０ｇ／Ｌ、より好ましくは１０〜１００ｇ／Ｌである。有機ケイ素化合物の濃度が１ｇ／Ｌ未満であると、潤滑被膜処理液とブラスめっきワイヤ材との接触時間を長くする必要があり生産性の観点から好ましくない。一方、有機ケイ素化合物の濃度が２００ｇ／Ｌ超とすると、後述する、潤滑被膜の付着量に調整することが困難になる。 The concentration of the organosilicon compound in the lubricating coating solution according to the production method of the present invention is not particularly limited, but is 1 to 200 g / L, preferably 5 to 150 g / L, and more preferably 10 to 100 g / L. . If the concentration of the organosilicon compound is less than 1 g / L, it is necessary to increase the contact time between the lubricating coating solution and the brass plating wire material, which is not preferable from the viewpoint of productivity. On the other hand, when the concentration of the organosilicon compound is more than 200 g / L, it is difficult to adjust the adhesion amount of the lubricating coating described later.
本発明の製造方法に係る潤滑被膜処理液は、有機ケイ素化合物を含有する潤滑被膜処理液であればよく、その他の成分については、通常の潤滑被膜処理液と同様のものを用いることができ、特に制限されるものではない。特には、油性剤、極圧添加剤および界面活性剤等の通常の湿式潤滑液成分に加えて、銅および亜鉛を含有することが好ましい。好適には、脂肪酸、リン酸、アミン、リン酸エステル、界面活性剤、防錆剤、防腐剤を含んだ反応型潤滑被膜処理液である。 The lubricating film treatment liquid according to the production method of the present invention may be a lubricating film treatment liquid containing an organosilicon compound, and the other components can be the same as those used in ordinary lubricating film treatment liquids. There is no particular limitation. In particular, it is preferable to contain copper and zinc in addition to normal wet lubricating liquid components such as oily agents, extreme pressure additives and surfactants. A reactive lubricating coating solution containing a fatty acid, phosphoric acid, amine, phosphate ester, surfactant, rust inhibitor, and preservative is preferable.
本発明の製造方法に係る潤滑被膜処理液においては、特に、ケイ酸ナトリウムおよび／またはケイ酸カリウムを主成分とする潤滑被膜処理液を好ましく用いることができる。炭素数１２〜２６の飽和脂肪酸と亜鉛、カルシウム、バリウム、リチウム、アルミニウムおよびマグネシウムからなる金属群から選ばれる少なくとも１種との塩と、融点が７０℃以上である天然ワックスおよび合成ワックスのうちのいずれか一方または双方と、を含むことがより好ましい。特にはさらに、硫酸塩、ホウ酸塩、モリブデン酸塩およびタングステン酸塩からなる群から選ばれる少なくとも１種を含んでいてもよい。 In the lubricating film treatment liquid according to the production method of the present invention, a lubricating film treatment liquid mainly composed of sodium silicate and / or potassium silicate can be preferably used. A salt of a saturated fatty acid having 12 to 26 carbon atoms and at least one selected from the metal group consisting of zinc, calcium, barium, lithium, aluminum and magnesium, and a natural wax and a synthetic wax having a melting point of 70 ° C. or higher It is more preferable that one or both of them are included. In particular, it may further contain at least one selected from the group consisting of sulfate, borate, molybdate and tungstate.
上記硫酸塩等としては、例えば、硫酸カリウム、硫酸ナトリウム、ホウ酸カリウム（四ホウ酸カリウム等）、ホウ酸ナトリウム（四ホウ酸ナトリウム）、ホウ酸アンモニウム（四ホウ酸アンモニウム等）、モリブデン酸ナトリウム、モリブデン酸アンモニウム、タングステン酸ナトリウム等が挙げられ、これらは単独で用いても、２種以上組み合わせて用いてもよい。また、飽和脂肪酸の金属塩としては、例えば、ステアリン酸亜鉛、ステアリン酸カルシウム、ステアリン酸バリウム、ステアリン酸リチウム、ステアリン酸マグネシウムを好適に使用することができる。 Examples of the sulfates include potassium sulfate, sodium sulfate, potassium borate (such as potassium tetraborate), sodium borate (sodium tetraborate), ammonium borate (such as ammonium tetraborate), and sodium molybdate. , Ammonium molybdate, sodium tungstate, and the like. These may be used alone or in combination of two or more. Moreover, as a metal salt of saturated fatty acid, for example, zinc stearate, calcium stearate, barium stearate, lithium stearate, and magnesium stearate can be preferably used.
さらに、ワックスとしては、例えば、パラフィンワックス、マイクロクリスタリンワックス、ペトロラタムワックス、フィッシャー・トロプシュワックス、ポリプロピレンワックス、ポリエチレンワックス、モンタンワックス、カルナウバワックス等を挙げることができる。 Further, examples of the wax include paraffin wax, microcrystalline wax, petrolatum wax, Fischer-Tropsch wax, polypropylene wax, polyethylene wax, montan wax, carnauba wax and the like.
本発明の製造方法においては、潤滑被膜の付着量は０．０５〜１．０ｍｇ／ｍ２が好ましい。本発明の製造方法に係る潤滑被膜処理液を用いて形成した潤滑被膜は、少量でもその性能を十分に発揮できるためであり、また、潤滑被膜の付着量を上記範囲とすることで、後に続く連続湿式伸線に持ち込む潤滑被膜成分の量が少なくて済むためである。すなわち、潤滑被膜の付着量を上記範囲とすることで、連続湿式伸線に用いる湿式潤滑液の成分のバランスを崩すことなく、湿式潤滑液の劣化を防止することができる。潤滑被膜の付着量は、潤滑被膜処理液中の有機ケイ素化合物の濃度と、ブラスめっきワイヤ材と潤滑被膜処理液との接触時間で調整することができる。例えば、有機ケイ素化合物が高濃度の潤滑被膜処理液の場合、接触時間を短くすればよく、一方、有機ケイ素化合物が低濃度の潤滑被膜処理液の場合、接触時間を長くすればよい。 In the production method of the present invention, the adhesion amount of the lubricating coating is preferably 0.05 to 1.0 mg / m 2 . This is because the lubricating coating formed using the lubricating coating treatment liquid according to the production method of the present invention can sufficiently exhibit its performance even in a small amount, and the amount of adhesion of the lubricating coating is kept in the above range, followed by This is because the amount of the lubricating coating component brought into the continuous wet wire drawing is small. That is, by making the adhesion amount of the lubricating coating within the above range, it is possible to prevent the wet lubricating liquid from deteriorating without breaking the balance of the components of the wet lubricating liquid used for continuous wet drawing. The adhesion amount of the lubricating coating can be adjusted by the concentration of the organosilicon compound in the lubricating coating treatment liquid and the contact time between the brass plating wire material and the lubricating coating treatment solution. For example, when the organosilicon compound is a high concentration lubricating coating solution, the contact time may be shortened, while when the organosilicon compound is a low concentration lubricating coating solution, the contact time may be increased.
本発明の製造方法においては、潤滑被膜処理工程４の後、乾燥工程５を設けてもよい。有機ケイ素化合物を含む潤滑被膜処理液は、化学反応により潤滑被膜を形成するので塗布後の乾燥は必須ではない。しかしながら、潤滑被膜処理液を乾燥させることにより、潤滑被膜の密着性を向上させることができるとともに、潤滑被膜成分の湿式潤滑液への持ち込みを低減することができる。乾燥条件は、例えば、６０〜１５０℃で１０〜６０分にて行うか、または、常温で放置することにより行えばよい。 In the production method of the present invention, a drying step 5 may be provided after the lubricating coating treatment step 4. Since the lubricating film treatment liquid containing an organosilicon compound forms a lubricating film by a chemical reaction, drying after application is not essential. However, by drying the lubricant film treatment liquid, it is possible to improve the adhesion of the lubricant film and to reduce the carry-on of the lubricant film component to the wet lubricant liquid. The drying conditions may be performed, for example, at 60 to 150 ° C. for 10 to 60 minutes or by leaving at room temperature.
本発明の製造方法は、ブラスめっきワイヤの製造方法においては、ブラスめっき工程３後、連続湿式伸線工程６前に、有機ケイ素化合物を含有する潤滑被膜処理液で潤滑被膜を形成する潤滑被膜処理工程４を、好ましくは、その後に乾燥工程５を有するものであれば、それ以外の工程については、特に制限はない。例えば、ブラスめっき工程前に行われる、ワイヤ材に熱間圧延を加える乾式伸線工程１、乾式伸線工程を経たワイヤ材にパテンティング処理を行うパテンティング工程２等の工程については、従来から行われてきた条件を適用することができる。また、本発明の製造方法が適用されるワイヤ材の線径や材質等についても、特に制限されるものではなく、公知のものであればいずれも使用可能である。特には、本発明の製造方法においては、炭素含有量０．７質量％以上の高炭素ワイヤ材に好適に適用することができる。 The manufacturing method of the present invention is a method for manufacturing a brass-plated wire, in which a lubricating coating is formed by a lubricating coating treatment liquid containing an organosilicon compound after the brass plating step 3 and before the continuous wet wire drawing step 6. As long as it has the drying process 5 after the process 4, Preferably, there is no restriction | limiting in particular about another process. For example, processes such as a dry drawing process 1 for performing hot rolling on a wire material, a patenting process 2 for performing a patenting process on a wire material that has undergone a dry drawing process, and the like performed before the brass plating process have been conventionally performed. The conditions that have been done can be applied. Further, the wire diameter, material, and the like of the wire material to which the manufacturing method of the present invention is applied are not particularly limited, and any known material can be used. In particular, the production method of the present invention can be suitably applied to a high carbon wire material having a carbon content of 0.7% by mass or more.
次に、本発明のブラスめっきワイヤの製造装置について説明する。
本発明のブラスめっきワイヤの製造装置は、連続湿式伸線装置と、この連続湿式伸線装置の入線側に、潤滑被膜処理液を貯留する潤滑被膜処理槽を有する潤滑被膜処理装置と、を備え、ブラスめっきワイヤ材を、潤滑被膜処理装置および連続湿式伸線装置に、順次通線可能な構造を有している。すなわち、上述の本発明の製造方法に好適に用いることができるものである。したがって、使用する潤滑被膜処理液は、本発明の製造方法に用いるものと同じものを好適に用いることができる。
Next, the brass-plated wire manufacturing apparatus of the present invention will be described.
The brass-plated wire manufacturing apparatus of the present invention includes a continuous wet wire drawing device and a lubricating film processing device having a lubricating film treatment tank for storing a lubricating film treatment liquid on the incoming side of the continuous wet wire drawing device. The brass-plated wire material has a structure capable of sequentially passing through the lubrication film processing apparatus and the continuous wet wire drawing apparatus. That is, it can be suitably used in the above-described production method of the present invention. Accordingly, the same lubricant coating treatment liquid as that used in the production method of the present invention can be preferably used.
本発明の製造装置においては、潤滑被膜処理装置と連続湿式伸線装置との間に、乾燥装置を備えることが好ましい。上述のとおり、本発明の製造装置を用いて、本発明の製造方法を実施するにあたっては、有機ケイ素化合物を含む潤滑被膜処理液は、化学反応により潤滑被膜を形成するので塗布後の乾燥は必須ではない。しかしながら、潤滑被膜処理液を乾燥させることにより、潤滑被膜の密着性を向上させることができるとともに、潤滑被膜成分の湿式潤滑液への持ち込みを、さらに低減させることができる。乾燥条件としては、例えば、６０〜１５０℃で１０〜６０分にて行うか、または、常温で放置することにより行えばよい。 In the manufacturing apparatus of this invention, it is preferable to provide a drying apparatus between the lubricating film processing apparatus and the continuous wet wire drawing apparatus. As described above, when the manufacturing method of the present invention is carried out using the manufacturing apparatus of the present invention, the lubricating film treatment liquid containing an organosilicon compound forms a lubricating film by a chemical reaction, so that drying after application is essential. is not. However, by drying the lubricating coating treatment liquid, the adhesion of the lubricating coating can be improved, and the carry-on of the lubricating coating component to the wet lubricating liquid can be further reduced. As drying conditions, for example, the drying may be performed at 60 to 150 ° C. for 10 to 60 minutes, or by leaving at room temperature.
本発明の製造装置においては、潤滑被膜処理槽内の潤滑被膜処理液量を制御すべく、水位計を設けて潤滑被膜処理液の原液供給量を制御することが好ましい。また、潤滑被膜処理槽内の潤滑被膜処理液の濃度を制御すべく、電導度計等のセンサーを設けて、潤滑被膜処理液の原液供給量および水の供給量を制御することも好ましい。これにより、常に安定した潤滑被膜を形成することが可能となり、連続湿式伸線を安定して行うことができるようになる。または、本発明の製造装置においては、一度に複数本のブラスめっきワイヤ材を処理できる構造とすることが好ましい。これにより、ブラスめっきワイヤの生産効率を上げることができる。 In the production apparatus of the present invention, in order to control the amount of the lubricating coating treatment liquid in the lubricating coating treatment tank, it is preferable to provide a water level meter to control the supply amount of the lubricating coating treatment liquid. In order to control the concentration of the lubricating coating treatment liquid in the lubricating coating treatment tank, it is also preferable to provide a sensor such as a conductivity meter to control the supply amount of the lubricating coating treatment solution and the supply amount of water. Thereby, it becomes possible to always form a stable lubricating coating, and continuous wet wire drawing can be performed stably. Or in the manufacturing apparatus of this invention, it is preferable to set it as the structure which can process a several brass plating wire material at once. Thereby, the production efficiency of a brass plating wire can be raised.
本発明の製造装置においては、連続湿式伸線装置と、この連続湿式伸線装置の入線側に、潤滑被膜処理液を貯留する潤滑被膜処理槽を有する潤滑被膜処理装置と、を備え、ブラスめっきワイヤ材が、潤滑被膜処理装置および連続湿式伸線装置に、順次通線可能であれば特に制限はない。例えば、連続湿式伸線装置は、従来から用いられている既知の連続湿式伸線装置を用いることができる。また、潤滑被膜処理装置は潤滑被膜処理液を貯留でき、かつ、ブラスめっきワイヤ材に潤滑被膜処理液を塗布できるものであればよい。さらに、乾燥装置としても従来から用いられている乾燥装置を用いることができる。 The manufacturing apparatus of the present invention includes a continuous wet wire drawing device and a lubricating film processing device having a lubricating film treatment tank for storing a lubricating film treatment liquid on the incoming side of the continuous wet wire drawing device, and brass plating. There is no particular limitation as long as the wire material can be successively passed through the lubricating coating apparatus and the continuous wet wire drawing apparatus. For example, as the continuous wet wire drawing device, a known continuous wet wire drawing device which has been conventionally used can be used. Moreover, the lubricating film processing apparatus should just be what can store a lubricating film processing liquid, and can apply | coat a lubricating film processing liquid to a brass plating wire material. Furthermore, a conventionally used drying apparatus can be used as the drying apparatus.
以下、本発明を、実施例を用いてより詳細に説明する。
＜実施例１〜４、比較例１〜３および従来例＞
連続湿式伸線装置と、この連続湿式伸線装置の入線側に、潤滑被膜処理液を貯留する潤滑被膜処理槽を有する潤滑被膜処理装置と、を有するブラスめっきワイヤの製造装置を用いて、直径１．５３ｍｍのブラスめっきワイヤ材を、２１個のダイスを用いて直径０．２４ｍｍまで連続湿式伸線した。この際、湯洗、酸化亜鉛低減処理等の前処理は行わなかった。
Hereinafter, the present invention will be described in more detail with reference to examples.
<Examples 1-4, Comparative Examples 1-3 and Conventional Examples>
Using a brass wet wire manufacturing apparatus having a continuous wet wire drawing device and a lubricating film processing device having a lubricating film processing tank for storing a lubricating film processing solution on the incoming side of the continuous wet wire drawing device, A 1.53 mm brass-plated wire material was continuously wet-drawn to a diameter of 0.24 mm using 21 dies. At this time, pretreatment such as hot water washing and zinc oxide reduction treatment was not performed.
潤滑被膜の付着量は、下記表１に従って、潤滑処理液槽に入れる潤滑被膜処理液の濃度および潤滑処理槽中でのブラスめっきワイヤの浸漬時間で調整した。潤滑被膜処理液の有機ケイ素化合物の濃度およびケイ酸ナトリウムの濃度は、水溶液１Ｌに含有する固形分の質量で表した。また、ブラスめっきワイヤ材の潤滑性の向上効果は、従来例の伸線電力を基準とした伸線電力低減度で評価した。したがって、従来例での伸線電力低減度は０となる。評価結果は、比較例１を１００とした指数で表している。この値が大きいほど効果が大きいことを示す。 The adhesion amount of the lubricating coating was adjusted according to the concentration of the lubricating coating treatment solution put in the lubricating treatment bath and the immersion time of the brass plating wire in the lubricating treatment bath according to Table 1 below. The concentration of the organosilicon compound and the concentration of sodium silicate in the lubricating coating solution were represented by the mass of solids contained in 1 L of the aqueous solution. Further, the effect of improving the lubricity of the brass-plated wire material was evaluated by the degree of reduction in the drawn power based on the drawn power of the conventional example. Accordingly, the drawing power reduction degree in the conventional example is zero. The evaluation results are expressed as an index with Comparative Example 1 as 100. It shows that an effect is so large that this value is large.
なお、実施例１〜４で用いた潤滑被膜処理液の組成は、従来例で用いた潤滑被膜処理液に有機ケイ素化合物を加えたものであり、比較例で用いた潤滑被膜処理液の組成は、従来例で用いた潤滑被膜処理液に有機ケイ素化合物に代えて、ケイ酸ナトリウムを加えたものである。なお、従来例で用いた潤滑被膜処理液は、りん酸塩と油性成分の混合水溶性潤滑剤である。 In addition, the composition of the lubricating coating treatment liquid used in Examples 1 to 4 is obtained by adding an organosilicon compound to the lubricating coating treatment liquid used in the conventional example, and the composition of the lubricating coating treatment liquid used in the comparative example is Instead of the organosilicon compound, sodium silicate is added to the lubricating coating solution used in the conventional example. The lubricating coating solution used in the conventional example is a mixed water-soluble lubricant of phosphate and oil component.
実施例１、２および３は、潤滑被膜付着量が０．０５〜１．０ｍｇ／ｍ２の範囲内と非常に少ないにもかかわらず、比較例１〜３よりも大きな電力低減度が得られた。一方、実施例４は、実施例１〜３と同様に有機ケイ素化合物を含有する潤滑被膜処理液を用い、被膜付着量を本発明の範囲を超えて大きくした例である。被膜付着量を１．０ｍｇ／ｍ２よりも大きくしても、電力低減度は大きくならない。かえって潤滑被膜成分の湿式潤滑剤への持ち込み量が増えるので、湿式潤滑剤の成分バランスが崩れ、潤滑性能が劣化し易くなっていることがわかる。 In Examples 1, 2 and 3, although the lubricant coating adhesion amount is very small in the range of 0.05 to 1.0 mg / m 2, a power reduction degree greater than that of Comparative Examples 1 to 3 was obtained. It was. On the other hand, Example 4 is an example which used the lubricating film processing liquid containing an organosilicon compound similarly to Examples 1-3, and enlarged the film adhesion amount beyond the scope of the present invention. Even if the coating amount is larger than 1.0 mg / m 2 , the power reduction degree does not increase. On the contrary, since the amount of the lubricant film component brought into the wet lubricant increases, it can be seen that the component balance of the wet lubricant is lost and the lubrication performance is easily deteriorated.
１ 乾式伸線工程
２ パテンティング工程
３ ブラスめっき工程
４ 潤滑被膜処理工程
５ 乾燥工程
６ 連続湿式伸線工程
DESCRIPTION OF SYMBOLS 1 Dry-type wire drawing process 2 Patenting process 3 Brass plating process 4 Lubricant coating process 5 Drying process 6 Continuous wet wire drawing process
Claims (5)
前記ブラスめっき工程後、前記連続湿式伸線工程前に、有機ケイ素化合物を含有する潤滑被膜処理液で潤滑被膜を形成する潤滑被膜処理工程を有し、
前記有機ケイ素化合物が、下記化学式（Ｉ）、
Ｙ〜Ｓｉ−（ＯＲ） ３−ｎ （Ｉ）
（ここで、Ｙはビニル基、アミノ基、またはメルカプト基を表し、（ＯＲ）は加水分解性のアルコキシ基を表す。）で表されるものであることを特徴とするブラスめっきワイヤの製造方法。 In a method for producing a brass-plated wire, comprising: a brass plating process for performing a brass plating process on a wire material; and a continuous wet wire drawing process for drawing the obtained brass-plated wire material to a predetermined wire diameter.
After the brass plating step, prior to the continuous wet-drawing process, have a lubricating coating step of forming a lubricating coating with a lubricating film treatment solution containing an organic silicon compound,
The organosilicon compound has the following chemical formula (I),
Y-Si- (OR) 3-n (I)
Wherein Y represents a vinyl group, an amino group, or a mercapto group, and (OR) represents a hydrolyzable alkoxy group). .
前記潤滑被膜処理液が下記化学式（Ｉ）、
Ｙ〜Ｓｉ−（ＯＲ） ３−ｎ （Ｉ）
（ここで、Ｙはビニル基、アミノ基、またはメルカプト基を表し、（ＯＲ）は加水分解性のアルコキシ基を表す。）で表される有機ケイ素化合物を含有することを特徴とするブラスめっきワイヤの製造装置。 A continuous wet wire drawing device; and a lubricating film treatment device having a lubricating film treatment tank for storing a lubricating film treatment liquid on an incoming side of the continuous wet wire drawing device, wherein the brass plating wire material is the lubricating film treatment apparatus and Ri Tsusen can der sequentially with the continuous wet-drawing device,
The lubricating coating treatment liquid has the following chemical formula (I),
Y-Si- (OR) 3-n (I)
(Wherein Y represents a vinyl group, an amino group, or a mercapto group, and (OR) represents a hydrolyzable alkoxy group). Manufacturing equipment.
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| JPH0318420A (en) * | 1989-06-15 | 1991-01-28 | Sumitomo Metal Ind Ltd | Method for drawing wire |
| JP5213171B2 (en) * | 2008-09-22 | 2013-06-19 | 株式会社ブリヂストン | Lubricant for wet wire drawing and wet wire drawing method |
| JP5497391B2 (en) * | 2009-09-24 | 2014-05-21 | 株式会社ブリヂストン | Method for manufacturing brass-plated steel wire |
| JP5890149B2 (en) * | 2011-11-01 | 2016-03-22 | 株式会社ブリヂストン | Method for manufacturing brass-plated steel wire |
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