JPH0825137B2 - Polishing method - Google Patents

Polishing method

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Publication number
JPH0825137B2
JPH0825137B2 JP2333186A JP33318690A JPH0825137B2 JP H0825137 B2 JPH0825137 B2 JP H0825137B2 JP 2333186 A JP2333186 A JP 2333186A JP 33318690 A JP33318690 A JP 33318690A JP H0825137 B2 JPH0825137 B2 JP H0825137B2
Authority
JP
Japan
Prior art keywords
polishing
buff
polished
buffing
abrasive grains
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.)
Expired - Fee Related
Application number
JP2333186A
Other languages
Japanese (ja)
Other versions
JPH04201069A (en
Inventor
弘 松本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
C.UYEMURA&CO.,LTD.
Original Assignee
C.UYEMURA&CO.,LTD.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by C.UYEMURA&CO.,LTD. filed Critical C.UYEMURA&CO.,LTD.
Priority to JP2333186A priority Critical patent/JPH0825137B2/en
Publication of JPH04201069A publication Critical patent/JPH04201069A/en
Publication of JPH0825137B2 publication Critical patent/JPH0825137B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は、アルミニウム、銅、真ちゅう等の非鉄金属
の被研磨物をスクラッチのない鏡面に研磨することがで
きる被研方法に関する。
Description: TECHNICAL FIELD The present invention relates to a method for polishing a non-ferrous metal such as aluminum, copper and brass, which can be polished to a scratch-free mirror surface.

[従来の技術及び発明が解決しようとする課題] 近年、時計ケース,眼鏡フレーム,更に洋食器,アル
ミ鍋,アルミ製ドアー取手,自動車用アルミホィール等
のアルミニウムや銅及び真ちゅう製品等の非鉄金属製品
に対し、その表面の光沢を非常に重要視するようになっ
ており、特に、機能面もさることながら、装飾用におい
てもスクラッチが全くないという平滑面を得ることが強
く要求されている。
[Problems to be Solved by Conventional Techniques and Inventions] In recent years, non-ferrous metal products such as watch cases, eyeglass frames, Western dishes, aluminum pans, aluminum door handles, aluminum wheels for automobiles, and copper and brass products. On the other hand, the luster of the surface has come to be very important, and in particular, it is strongly required to obtain a smooth surface having no scratches for decoration as well as a functional surface.

従来、かかる鏡面研磨方法としては、主に油脂性バフ
研磨法が採用されているが、この方法は砥石の擦過傷が
研磨面に入るため、スクラッチのない平滑面を得るとい
う要求は十分満足し得るものではなかった。
Conventionally, as such a mirror-polishing method, an oily buffing method is mainly adopted, but this method can sufficiently satisfy the request to obtain a smooth surface without scratches because the scratches of the grindstone enter the polishing surface. It wasn't something.

この解決策として、従来から電解複合研磨法も提案さ
れているが、二次,三次曲面を有する被研磨物に対する
研磨では、電解電流、電圧などを均一化することは難し
く、このため電解複合研磨法は平面部分に対する研磨に
局限されていた。また、この電解複合研磨法は、装置も
複雑化し、研磨コストも高くなるという問題もあった。
As a solution to this problem, an electrolytic composite polishing method has been conventionally proposed, but it is difficult to make the electrolytic current, voltage, etc. uniform in polishing an object having a quadric or cubic curved surface. The method was limited to polishing on flat areas. Further, this electrolytic composite polishing method has a problem that the apparatus becomes complicated and the polishing cost becomes high.

本発明は、上記事情に鑑みなされたもので、従来のバ
フ研磨法と同様に種々の形状の被研磨物、特に非鉄金属
の被研磨物を簡単に研磨し得る上、従来のバフ研磨法で
は得られなかったスクラッチの全くない鏡面研磨面を与
えることができ、しかも研磨コストも安価で、研磨後の
洗浄も有機溶剤を使用する必要がなく、後処理も簡単な
研磨方法を提供することを目的とする。
The present invention has been made in view of the above circumstances, similar to the conventional buffing method, it is possible to easily polish objects to be polished of various shapes, particularly nonferrous metal objects, and in the conventional buffing method. It is possible to provide a mirror-polished surface that has no scratches that could not be obtained, yet the polishing cost is low, there is no need to use an organic solvent for cleaning after polishing, and a post-treatment is also provided that provides a simple polishing method. To aim.

[課題を解決するための手段及び作用] 本発明者は、上記目的を達成するため、バフ研磨法に
着目し、その検討を行った。
[Means and Actions for Solving the Problems] In order to achieve the above-mentioned object, the present inventor has focused on the buffing method and studied it.

ここで、バフ研磨は、高速回転するバフに油脂性バフ
研磨剤を塗着し、これに被研磨物を圧着して研磨を行う
もので、この場合仕上げ研磨では、通常研磨砥粒による
スクラッチを可及的に少なくするため、砥粒を油脂で被
覆した油脂性研磨剤が使用される。砥粒はバフ面上で固
定されず(即ち固定砥粒ではない)、ある程度自由に動
くが、上述したように砥粒は油脂によって被覆されてお
り、砥粒自体の切削と油脂の潤滑力と被研磨物の金属と
の反応(金属石鹸の生成)によって平滑化と鏡面化が行
われ、特にこの作用は高温,高圧下によって行われる。
この場合、砥粒の性質、大きさ、成分によって被研磨物
に与える影響は異なる。一般に粒子の大きい程、また硬
度が高いほど、研磨力が大きく、研磨条痕も深い。通
常、仕上げ研磨と呼ばれる鏡面には、酸化鉄,酸化クロ
ム,アルミナ等の1μm以下の粒子か、非常に硬度の低
い炭酸カルシウム,非結晶性シリカ等が用いられる。し
かし、高温、高圧下では、砥粒の擦過傷を皆無にするこ
とは不可能である。実際、本発明者は実験的に油脂に研
磨剤砥粒を添加しない研磨剤を調製してバフ研磨したと
ころ、バフと被研磨物との接触によって傷が生成した。
即ち、従来の方法ではスクラッチの無い面は得られない
ことを示した。しかし、バフ研磨そのものの機能は簡便
であり、しかも曲面への追随性もよく、また設備費も少
ないため、この機構を利用して本発明者は検討を続けた
結果、平均粒径が2μm以下、より好ましくは1μm以
下の研磨砥粒を脂肪酸石けん水溶液に3〜20重量%濃度
で分散させたスラリーをバフに供給してバフ研磨を、回
転数100〜1000rpm、周速1000m/分以下の条件下で行うこ
とにより、スクラッチの無い鏡面研磨が可能になること
を見い出したものである。
Here, the buffing is to apply a greasy buffing agent to a buff that rotates at a high speed, press the object to be abraded to the buffing agent, and perform polishing. In order to reduce the amount as much as possible, an oil-based abrasive having abrasive grains coated with oil is used. The abrasive grains are not fixed on the buff surface (that is, they are not fixed abrasive grains) and move freely to some extent, but as described above, the abrasive grains are covered with oil and fat, and the cutting of the abrasive grains themselves and the lubricating force of oil and fat The reaction of the object to be polished with the metal (production of metal soap) smoothes and mirrors the surface, and in particular, this operation is performed under high temperature and high pressure.
In this case, the effect on the object to be polished differs depending on the nature, size, and composition of the abrasive grains. Generally, the larger the particles and the higher the hardness, the greater the polishing power and the deeper the polishing streaks. Usually, particles of 1 μm or less of iron oxide, chromium oxide, alumina, etc., calcium carbonate having very low hardness, amorphous silica, etc. are used for the mirror surface called finish polishing. However, under high temperature and high pressure, it is impossible to eliminate scratches on the abrasive grains. Actually, when the present inventor experimentally prepared an abrasive without adding abrasive abrasive grains to oil and buffed it, scratches were generated due to contact between the buff and the object to be polished.
That is, it was shown that a scratch-free surface cannot be obtained by the conventional method. However, the function of the buffing itself is simple, and the ability to follow a curved surface is good, and the equipment cost is low. Therefore, the inventors of the present invention continued to study using this mechanism, and as a result, the average particle diameter was 2 μm or less. More preferably, the buffing is performed by supplying a slurry in which the abrasive grains having a particle size of 1 μm or less are dispersed in a fatty acid soap aqueous solution at a concentration of 3 to 20% by weight to a buff to perform a buffing at a rotation speed of 100 to 1000 rpm and a peripheral speed of 1000 m / minute or less It has been found that scratch-free mirror polishing can be performed by performing the process below.

この場合、従来の最終仕上げバフ研磨で得られる被研
磨物の表面最大粗さRmaxは約0.1μmが限度であり、こ
れが通常最も優れた加工粗さであるが、この表面は砥粒
の擦過傷を蛍光灯や太陽光線下で目視で判別し得るもの
である。これに対し、本発明の上述したバフ研磨法の採
用によって得られる被研磨物の表面最大粗さRmaxは0.1
μmを大幅に下回るものであり、かかるRmaxが0.1μm
より小さい表面粗さでは、最早蛍光灯、太陽光線下で砥
粒の擦過傷を判断し得ないもので、従って従来のバフ研
磨法と比較して明確に外観上に差がある、スクラッチの
無い光沢面が得られるものである。
In this case, the maximum surface roughness Rmax of the object to be polished obtained by the conventional final buffing is limited to about 0.1 μm, which is usually the best processing roughness, but this surface has no scratches on the abrasive grains. It can be visually identified under a fluorescent lamp or sunlight. On the other hand, the surface maximum roughness Rmax of the object to be polished obtained by adopting the buffing method of the present invention is 0.1
It is much smaller than μm and the Rmax is 0.1 μm.
With a smaller surface roughness, it is no longer possible to judge the abrasion of the abrasive grains under fluorescent light and sunlight, so there is a clear difference in appearance compared to the conventional buffing method, scratch-free gloss The surface is what you get.

この理由は、従来のバフ研磨の機構は、上述したよう
に油脂と砥粒とバフによる高温,高圧下における脂肪酸
と金属との反応、同条件下による砥粒切削の総合効果に
よってなされるが、砥粒の切り込み作用が大きなため、
深いスクラッチを生成する。更に、バフ研磨剤には脂肪
酸が混入されているため、被研磨物の表面では酸化反応
も生じていると考えられ、表面の酸化膜での砥粒の擦過
傷は、一般に深くむしり取られる面を呈することがあ
る。
The reason for this is that the conventional buffing mechanism is achieved by the reaction of the fatty acid and metal under high temperature and high pressure by the oil and fat, the abrasive grains and the buff as described above, and the overall effect of cutting the abrasive grains under the same conditions. Due to the large cutting effect of the abrasive grains,
Generates deep scratches. Furthermore, since fatty acids are mixed in the buffing agent, it is considered that an oxidation reaction also occurs on the surface of the object to be polished, and scratches of the abrasive grains on the oxide film on the surface generally present a deeply scraped surface. Sometimes.

一方、本発明方法は油脂を介在させず、そして過度に
高温,高圧にならない周速1000m/分以下の条件下で研磨
するもので、この際スラリー中の研磨砥粒が研削作用を
行うが、この際該スラリーに含まれる脂肪酸石けんの潤
滑力によって砥粒の過剰の食い込みを防ぐものと考えら
れ、これによってスクラッチの無い鏡面研磨が得られる
ものである。
On the other hand, the method of the present invention does not involve oils and fats, and grinds under conditions of a peripheral speed of 1000 m / min or less at which the temperature does not become excessively high or high, and at this time, the abrasive grains in the slurry perform a grinding action, At this time, it is considered that the lubricating power of the fatty acid soap contained in the slurry prevents excessive penetration of the abrasive grains, whereby scratch-free mirror polishing can be obtained.

なお、油脂性バフ研磨剤には液体研磨剤と称するペー
スト状のものがあるが、この研磨剤は実質的には固形バ
フ研磨剤を水を加えて乳化剤によって乳化ペースト化し
たもので、スプレーガンでバフへ供給されるが、研磨熱
により水分が蒸発して固形研磨剤の役割を果すもので、
後処理も固定研磨剤と同様であり、本発明方法とは相違
するものである。
There are paste-like oil-based buffing agents called liquid polishing agents, but this polishing agent is essentially a solid buffing agent that is emulsified into paste by adding water and spray gun. It is supplied to the buff with the water, but the water evaporates due to the heat of polishing and plays the role of a solid abrasive.
The post-treatment is also similar to the fixed abrasive, which is different from the method of the present invention.

従って、本発明は、研磨剤が付着したバフを回転させ
ると共に、該バフに非鉄金属の被研磨物を押しつけて、
被研磨物の表面を研磨する研磨方法において、上記研磨
剤として、平均粒径が2μm以下の研磨砥粒を脂肪酸石
けん水溶液に3〜20重量%濃度で分散させたスラリーを
使用し、回転数100〜1000rpm、周速1000m/分以下の条件
下でバフ研磨を行うことを特徴とする研磨方法を提供す
る。
Therefore, the present invention, while rotating the buff to which the abrasive is attached, press the non-ferrous metal object to be polished against the buff,
In the polishing method for polishing the surface of an object to be polished, as the above-mentioned polishing agent, a slurry prepared by dispersing polishing abrasive grains having an average particle diameter of 2 μm or less in a fatty acid soap aqueous solution at a concentration of 3 to 20% by weight is used. Provided is a polishing method characterized by performing buff polishing under conditions of 1000 rpm and a peripheral speed of 1000 m / min or less.

以下、本発明につき更に詳しく説明する。 Hereinafter, the present invention will be described in more detail.

本発明の研磨方法は、バフ研磨方法に係るもので、特
にアルミニウム,真ちゅう等の非鉄金属の表面を最終仕
上げ研磨として鏡面研磨するものに有効に採用される。
この点から、本発明の研磨方法の実施に当たっては、被
研磨物の表面最大粗さRmaxを0.5μm以下に加工したも
のを用いることが好ましい。
The polishing method of the present invention relates to a buffing method, and is particularly effectively used for mirror-polishing the surface of a non-ferrous metal such as aluminum or brass as the final polishing.
From this point of view, in carrying out the polishing method of the present invention, it is preferable to use the one that has been processed to have the maximum surface roughness Rmax of 0.5 μm or less.

ここで、被研磨物の表面最大粗さRmaxを0.5μm以下
に加工する方法としては常法が採用し得、特に制限され
るものではないが、例えばエメリー研磨後、サイザルバ
フを用いる中研磨、綿バフを用いる中間仕上げ研磨を順
次採用して被研磨物をRmax0.5μm以下に整面すること
ができる。
Here, as a method for processing the maximum surface roughness Rmax of the object to be polished to 0.5 μm or less, an ordinary method can be adopted and is not particularly limited. For example, after emery polishing, medium polishing using sisal buff, cotton Intermediate polishing using a buff can be sequentially adopted to adjust the surface of the object to be polished to Rmax 0.5 μm or less.

而して、本発明は、このように整面した被研磨物をバ
フ研磨するものであるが、本発明においては、バフに供
給塗布する研磨剤として、平均粒径が2μm以下、好ま
しくは1μmの研磨砥粒を脂肪酸石けんの水溶液に分散
したスラリーを使用する。
Thus, the present invention is to perform buffing on an object to be polished which has been surface-treated in this manner. In the present invention, however, the abrasive to be supplied and applied to the buff has an average particle size of 2 μm or less, preferably 1 μm. A slurry is used in which the polishing abrasive grains of 1 are dispersed in an aqueous solution of fatty acid soap.

この場合、研磨砥粒としては、マルミナ,酸化クロ
ム,酸化鉄,溶融アルミナ,アランダム,カーボランダ
ム,ジルコニア,窒化珪素,シリカ等が用いられるが、
これらはその1種を単独で使用しても2種以上を併用す
るようにしてもよい。その平均粒径は、上述したように
2μm以下であるが、より好ましくは0.3〜1μmであ
り、またスクラッチ防止の点から2μm以上の粒径のも
のを含まないようにすることが好ましい。更に、研磨砥
粒のスラリー中における含有量3〜20%(重量%、以下
同じ)であり、より好ましくは3〜10%である。
In this case, as the abrasive grains, marmina, chromium oxide, iron oxide, fused alumina, alundum, carborundum, zirconia, silicon nitride, silica, etc. are used.
These may be used alone or in combination of two or more. The average particle size is 2 μm or less as described above, but it is more preferably 0.3 to 1 μm, and it is preferable not to include particles having a particle size of 2 μm or more from the viewpoint of scratch prevention. Further, the content of polishing abrasive grains in the slurry is 3 to 20% (weight%, the same applies hereinafter), and more preferably 3 to 10%.

上記スラリーは脂肪酸石鹸を含有するが、その含有量
は1〜20%、特に3〜10%であることが好ましい。その
量が好なすぎると、本発明が目的とする砥粒と被研磨物
との境界潤滑効果が十分発揮されず、多すぎると研磨力
が低下して被研磨物の粗さを改善し得ない。
The above-mentioned slurry contains fatty acid soap, and the content thereof is preferably 1 to 20%, particularly preferably 3 to 10%. If the amount is too good, the boundary lubrication effect between the abrasive grains and the object to be polished, which is the object of the present invention, may not be sufficiently exerted, and if it is too large, the polishing force may be reduced to improve the roughness of the object to be polished. Absent.

なお、脂肪酸石鹸としてはカプリル酸,カプリン酸,
ラウリン酸,ミリスチン酸,パルミチン酸,ステアリン
酸,オレイン酸等の飽和、不飽和脂肪酸のナトリウム
塩,カリウム塩等のアルカリ金属塩及びモノ,ジ,トリ
エタノールアミン塩等を単独でまたは2種以上を混合し
て用いることができる。
As fatty acid soap, caprylic acid, capric acid,
Saturated and unsaturated fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid, and oleic acid, alkali metal salts such as sodium salts and potassium salts, and mono-, di-, triethanolamine salts, etc., alone or in combination of two or more. It can be mixed and used.

上記スラリーには、更に界面活性剤を配合することが
好ましい。界面活性剤としては、トリエタノールアミン
塩類自体がその作用を有するが、ポリオキシエチレンラ
ウリルエーテル,ソルビタンモノオレエート等の非イオ
ン活性剤、更にアニオン活性剤などが好適に使用でき
る。その他、研磨剤砥粒の再分散性改良剤、例えばセル
ロース類、更に発泡制御剤、例えばポリアルキレングリ
コール類等を添加することができる。なお、界面活性
剤,再分散剤,発泡抑制剤等の添加量は1〜3%程度と
し得る。
It is preferable to further add a surfactant to the slurry. As the surfactant, triethanolamine salts themselves have the action, but nonionic activators such as polyoxyethylene lauryl ether and sorbitan monooleate, and anion activators can be preferably used. In addition, a redispersibility improving agent for abrasive grains such as celluloses, and a foaming controlling agent such as polyalkylene glycols may be added. The amount of the surfactant, redispersion agent, foaming inhibitor, etc. added may be about 1 to 3%.

このスラリーが塗布されるバフは、該スラリーを確実
に保持する点から吸湿性に優れた材質のものがよく、例
えばフェルト,ネル,スポンジ状合成繊維等の多吸湿性
繊維からなるものを使用することができる。バフの大き
さは被研磨物により適宜選定されるが、通常10〜300mm
である。バフに対するスラリーの供給方法としては、自
然滴下による方法、スプレーによる塗布方法、ポンプに
よる供給方法等が採用される。
The buff to which this slurry is applied is preferably made of a material having excellent hygroscopicity in order to securely retain the slurry, and for example, one made of multi-hygroscopic fibers such as felt, flannel, and sponge-like synthetic fibers is used. be able to. The buff size is properly selected depending on the object to be polished, but it is usually 10 to 300 mm
Is. As a method for supplying the slurry to the buff, a method by natural dropping, a coating method by spraying, a supplying method by a pump, or the like is adopted.

被研磨物に対する本発明のバフ研磨の操作の仕方は、
公知のバフ研磨法と同様であるが、バフ回転数は低速と
することが好ましい。即ち、従来の青棒等を用いる最終
仕上げバフ研磨法におけるバフの回転数は通常1500〜25
00rpm程度であるが、本発明においてはバフ回転数を100
〜1000rpmとし、周速を1000m/分以下とする。バフ回転
数が大きすぎ、周速が速くなるすぎると、スラリーの研
磨液が飛散されて多量の研磨剤が必要となる。
The operation method of the buffing of the present invention for an object to be polished is
It is the same as the known buffing method, but the buff rotation speed is preferably low. That is, the rotation speed of the buff in the final finishing buff polishing method using a conventional blue rod is usually 1500 to 25.
Although it is about 00 rpm, in the present invention, the buff rotation speed is 100
~ 1000 rpm, and the peripheral speed is 1000 m / min or less. If the buff rotation speed is too high and the peripheral speed becomes too fast, the polishing liquid of the slurry is scattered and a large amount of polishing agent is required.

なお、バフに対するスラリー供給量は1回の研磨に対
し1〜10ml程度である。また、研磨時間は通常10〜30秒
である。
The amount of slurry supplied to the buff is about 1 to 10 ml per polishing. The polishing time is usually 10 to 30 seconds.

本発明の研磨方法の実施に当たってスラリーはタンク
に貯蔵され、これから上述したような供給方法でバフに
供給されるが、バフに供給、含浸されたスラリーは上記
タンクに循環させ、再使用することもできる。
In carrying out the polishing method of the present invention, the slurry is stored in a tank and then supplied to the buff by the supply method as described above. The slurry supplied and impregnated in the buff may be circulated in the tank and reused. it can.

上記のように研磨された被研磨物は洗浄されるが、こ
の場合、本発明の実施による効果として、従来のバフ研
磨法では油脂性バフ研磨剤を使用するためにトリクロル
エチレン等の有機溶剤で洗浄されるが、本発明法は上述
したように油脂は全く使用されていない。従って、研磨
後は水洗−湯洗−乾燥の工程でよく、有害な有機溶剤の
使用をなくすことができる。
The object polished as described above is washed, but in this case, as an effect of the practice of the present invention, an organic solvent such as trichloroethylene is used in the conventional buffing method to use an oily buffing agent. Although washed, the method of the present invention does not use any fat or oil as described above. Therefore, after polishing, the steps of washing with water, washing with hot water and drying are sufficient, and the use of harmful organic solvents can be eliminated.

以下、実施例と比較例を示し、本発明を具体的に説明
するが、本発明は下記の実施例に制限されるものではな
い。
Hereinafter, the present invention will be specifically described by showing Examples and Comparative Examples, but the present invention is not limited to the following Examples.

[実施例] アルミニウム製ドアノブを#250エメリーバフで仕上
げ、最大表面粗さを1.3μmに仕上げた後、油脂性バフ
研磨剤Uライム(上村工業(株)製)を用い、径12イン
チのバイアスバフにて2,300rpmの回転数で仕上げた。こ
のときの最大表面粗さは0.4μmであった。
[Example] An aluminum door knob was finished with a # 250 emery buff to a maximum surface roughness of 1.3 μm, and then a grease buffing agent U lime (Uemura Industry Co., Ltd.) was used to make a 12 inch diameter bias buff. Finished at 2,300 rpm. The maximum surface roughness at this time was 0.4 μm.

次に、Uライムで仕上げたものをバフとして直径150m
mのフェルトバフを使用し、回転数400rpm(周速188.4
m)で回転させると共に、下記組成のスラリーをスプレ
ーガンでバフに吹きつけ、この回転バフに被研磨物を押
しつけ、研磨を行った。この場合、1回の研磨における
スラリーの吹きつけ量は4mlで、研磨時間は10秒とし
た。また、研磨後は、被研磨物を中性洗剤で洗浄し、湯
洗乾燥した。スラリー組成 脂肪酸石けん* 10重量% アルミナ** 20 界面活性剤*** 2水 残 合計 100 * ステアリン酸65%,パルミチン酸35%のナトリ
ウム塩 ** 平均粒径0.8μmの焼成アルミナ *** ポリオキシエチレンノニルフェニルエーテル
(HLB18.2) [比較例] アルミニウム製ドアノブを#250エメリーバフで仕上
げ、最大表面粗さを1.3μmに仕上げた後、油脂製バフ
研磨剤Uライム(上村工業(株)製)を用い、径12イン
チのバイアスバフにて2,300rpmの回転数で仕上げた。更
に、最終仕上げとして、光沢用#3000青棒(上村工業
(株)製)で同形のバフで加工し、比較品とした。な
お、青棒の1回の研磨における使用量は5グラムで研磨
時間は10秒である。また、研磨後、トリクロルエチレン
で洗浄して乾燥した。
Next, the one finished with U lime is 150m in diameter as a buff.
Using a felt buff of m, rotation speed 400 rpm (peripheral speed 188.4
While rotating at m), a slurry having the following composition was sprayed on the buff with a spray gun, and an object to be polished was pressed against this rotating buff for polishing. In this case, the amount of slurry sprayed in one polishing was 4 ml, and the polishing time was 10 seconds. After polishing, the object to be polished was washed with a neutral detergent, washed with hot water and dried. Slurry composition Fatty acid soap * 10% by weight Alumina ** 20 Surfactant *** 2 2 Total residual water 100 * Sodium salt of 65% stearic acid and 35% palmitic acid ** Calcined alumina with an average particle size of 0.8 µm *** Poly Oxyethylene nonyl phenyl ether (HLB18.2) [Comparative example] Aluminum doorknob is finished with # 250 emery buff to a maximum surface roughness of 1.3 μm, and then oil buffing agent U lime (Uemura Industries Co., Ltd.) ) Was used for finishing with a bias buff having a diameter of 12 inches at a rotation speed of 2,300 rpm. Further, as a final finish, a # 3000 blue rod for gloss (manufactured by Uemura Kogyo Co., Ltd.) was processed with a buff of the same shape to give a comparative product. The amount of blue bar used per polishing was 5 grams, and the polishing time was 10 seconds. After polishing, it was washed with trichloroethylene and dried.

次に、実施例、比較例で研磨した被研磨物(ドアーハ
ンドル)の表面粗さを東京精密社製サーフコム1500型を
用い、倍率5万倍で4カ所の粗さを測定した(測定条件
は、測定距離2mm,カットオフ0.08である)。結果を第1
表に示す。なお、結果は4カ所の平均値である。
Next, the surface roughness of the object to be polished (door handle) polished in the examples and comparative examples was measured using a Surfcom 1500 type manufactured by Tokyo Seimitsu Co., Ltd. at a magnification of 50,000 times to measure roughness at four locations (measurement conditions are , Measuring distance 2mm, cutoff 0.08). First result
Shown in the table. The results are average values at 4 points.

第1表の結果より、本発明方法によって得られる被研
磨物表面の最大粗さRmaxは、比較例の1/2になってお
り、目視や蛍光灯、太陽光線で外観を比較しても優れた
光沢を有していた。一方、比較例は、研磨条痕が目視で
確認され、光沢は白く感じられ、実施例のものとは歴然
として差が認められた。
From the results in Table 1, the maximum roughness Rmax of the surface of the object to be polished obtained by the method of the present invention is 1/2 of that of the comparative example, which is excellent even when the appearance is compared with the naked eye, a fluorescent lamp, or sunlight. It had a gloss. On the other hand, in the comparative example, the polishing streaks were visually confirmed, the gloss was felt to be white, and there was a clear difference from the example.

[発明の効果] 本発明によれば、被研磨物表面はスクラッチのない、
光沢度の高い鏡面にバフ研磨することができ、また、油
脂を用いないため、研磨表面に汚垢物質を残すことがな
いので、トリクロルエチレン等による有機溶剤洗浄を省
略することができるなど、後処理が簡単化される。更
に、本発明によれば、従来のバフ研磨では不可能であっ
た研磨剤を循環使用でき、材料の節減と環境汚染を大幅
に改善することができる。
EFFECT OF THE INVENTION According to the present invention, the surface of the object to be polished has no scratch,
It can be buffed to a high-gloss mirror surface, and since it does not use oils and fats, it does not leave dirt substances on the polished surface, so it is possible to omit organic solvent cleaning with trichlorethylene, etc. Processing is simplified. Further, according to the present invention, it is possible to circulate and use the polishing agent which has been impossible in the conventional buff polishing, and it is possible to significantly reduce the material consumption and the environmental pollution.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】研磨剤が付着したバフを回転させると共
に、該バフに非鉄金属の被研磨物を押しつけて、被研磨
物の表面を研磨する研磨方法において、上記研磨剤とし
て、平均粒径が2μm以下の研磨砥粒を脂肪酸石けん水
溶液に3〜20重量%濃度で分散させたスラリーを使用
し、回転数100〜1000rpm、周速1000m/分以下の条件下で
バフ研磨を行うことを特徴とする研磨方法。
1. A polishing method in which a buff having an abrasive attached thereto is rotated and a non-ferrous metal object to be polished is pressed against the buff to polish the surface of the object to be polished. It is characterized in that buffing is performed under the conditions of a rotation speed of 100 to 1000 rpm and a peripheral speed of 1000 m / min or less by using a slurry in which polishing abrasive grains of 2 μm or less are dispersed in a fatty acid soap aqueous solution at a concentration of 3 to 20% by weight. Polishing method.
JP2333186A 1990-11-29 1990-11-29 Polishing method Expired - Fee Related JPH0825137B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2333186A JPH0825137B2 (en) 1990-11-29 1990-11-29 Polishing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2333186A JPH0825137B2 (en) 1990-11-29 1990-11-29 Polishing method

Publications (2)

Publication Number Publication Date
JPH04201069A JPH04201069A (en) 1992-07-22
JPH0825137B2 true JPH0825137B2 (en) 1996-03-13

Family

ID=18263267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2333186A Expired - Fee Related JPH0825137B2 (en) 1990-11-29 1990-11-29 Polishing method

Country Status (1)

Country Link
JP (1) JPH0825137B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015087771A1 (en) 2013-12-13 2015-06-18 株式会社フジミインコーポレーテッド Article with metal oxide film

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01121163A (en) * 1987-11-02 1989-05-12 Showa Denko Kk Composition for polishing of aluminum magnetic disk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01121163A (en) * 1987-11-02 1989-05-12 Showa Denko Kk Composition for polishing of aluminum magnetic disk

Also Published As

Publication number Publication date
JPH04201069A (en) 1992-07-22

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