JP6025486B2 - Manufacturing method of disk-shaped polishing buff - Google Patents
Manufacturing method of disk-shaped polishing buff Download PDFInfo
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- JP6025486B2 JP6025486B2 JP2012223726A JP2012223726A JP6025486B2 JP 6025486 B2 JP6025486 B2 JP 6025486B2 JP 2012223726 A JP2012223726 A JP 2012223726A JP 2012223726 A JP2012223726 A JP 2012223726A JP 6025486 B2 JP6025486 B2 JP 6025486B2
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本発明は、円盤状研磨バフの製造方法に関し、主として、アルミ、真鍮、銅又はステンレス等を素材とする金属製品を研磨するのに適した円盤状研磨バフの製造方法に関するものである。 The present invention relates to a method for manufacturing a disc-shaped polishing buff, and particularly to a method for manufacturing a disc-shaped polishing buff suitable for polishing a metal product made of aluminum, brass, copper, stainless steel, or the like.
金属製品を研磨するための研磨バフとして、従来より、円形綿織物を複数枚積層し、積層された円形綿織物間を綿糸で縫合した円盤状もの（いわゆる綿バフ）が用いられている。また、円形綿織物に代えて、円形綿不織布を用いることも提案されている（特許文献１）。円形綿不織布を用いた場合も、積層された円形綿不織布間は、その中央近傍又は全体が綿糸で縫合されて、円盤状となっている（特許文献１、段落００１４）。円形綿不織布間を縫合する理由は、研磨時に、積層した複数枚の円形綿不織布がばらけにくくするためである。 As a polishing buff for polishing metal products, conventionally, a disk-shaped one (so-called cotton buff) is used in which a plurality of circular cotton fabrics are stacked and the stacked circular cotton fabrics are stitched together with cotton yarn. It has also been proposed to use a circular cotton nonwoven fabric instead of a circular cotton fabric (Patent Document 1). Even when a circular cotton nonwoven fabric is used, between the laminated circular cotton nonwoven fabrics, the vicinity of the center or the whole is sewn with a cotton thread to form a disk (Patent Document 1, Paragraph 0014). The reason for sewing between the circular cotton nonwoven fabrics is to make it difficult for the plurality of laminated circular cotton nonwoven fabrics to be scattered during polishing.
円盤状の研磨バフを用いて研磨する方法としては、円盤の表面又は裏面で金属製品等を研磨する方法と、円盤の周縁端面で金属製品等を研磨する方法とがある。後者の方法で研磨する場合、積層された円形綿不織布はその周縁で縫合されているものではないため、周縁では各円形綿不織布がばらけており、円盤状研磨バフの周縁端面を金属製品等に押し当てても、面接触しにくいという欠点があった。面接触していない状態で研磨すると、研磨ムラや研磨スジが生じるということがあった。 As a method of polishing using a disk-shaped polishing buff, there are a method of polishing a metal product or the like on the front or back surface of the disk and a method of polishing a metal product or the like on the peripheral end surface of the disk. When polishing by the latter method, since the laminated circular cotton nonwoven fabrics are not stitched at the periphery, each circular cotton nonwoven fabric is scattered at the periphery, and the peripheral end surface of the disc-shaped polishing buff is a metal product or the like. There is a drawback that even if pressed against the surface, it is difficult to make surface contact. If polishing is performed in a state where the surface is not in contact, polishing unevenness or polishing streaks may occur.
本発明は上記した欠点を解消することを目的とし、円盤状研磨バフにおいて、その周縁端面で綿不織布がばらけにくくすることを課題とする。 An object of the present invention is to eliminate the above-described drawbacks, and an object of the present invention is to make a cotton-like nonwoven fabric less likely to be scattered at the peripheral end face of a disc-shaped polishing buff.
すなわち、本発明は、木綿繊維相互間を三次元的に交絡してなる円形綿不織布を複数枚積層した円柱体を、軸方向に全体に加圧しながら養生することによって、隣り合う各円形綿不織布同士を、各円形綿不織布中の木綿繊維相互間の水素結合によって接合することを特徴とする円盤状研磨バフの製造方法に存する。 That is, the present invention provides a cylindrical body obtained by laminating a plurality of circular cotton nonwoven fabrics that are three-dimensionally entangled between cotton fibers , and is cured while pressurizing the whole in the axial direction, thereby adjacent circular cotton nonwoven fabrics. to each other, it consists in a disc-shaped polishing buff manufacturing method characterized by joined by hydrogen bonding between the cotton fibers cross in the circular cotton nonwoven fabric.
本発明に係る研磨バフは、円形綿不織布を複数枚積層してなる円盤状のものである。この円盤の厚さは、円形綿不織布の厚さとその積層枚数によって適宜決定することができる。本発明においては、一般に３０〜２００枚程度の円形綿不織布を積層して、円盤状研磨バフを得ている。円形綿不織布は、木綿繊維相互間を三次元的に交絡してなるものである。木綿繊維相互間を三次元的に交絡するには、木綿繊維が集積されてなる繊維ウェブに、水流を施したり又はニードリングを施せばよい。水流による方法は、木綿繊維表面の油分も同時に洗い流されやすく、木綿繊維同士の水素結合がより生じやすくなるので好ましい。また、使用する木綿繊維は、精練された後、晒処理されたものであってもよいし、晒処理をしないものを用いてもよい。 The polishing buff according to the present invention is a disc-like one formed by laminating a plurality of circular cotton nonwoven fabrics. The thickness of the disk can be appropriately determined according to the thickness of the circular cotton nonwoven fabric and the number of laminated layers. In the present invention, generally 30 to 200 circular cotton nonwoven fabrics are laminated to obtain a disk-shaped polishing buff. A circular cotton nonwoven fabric is entangled three-dimensionally between cotton fibers. In order to three-dimensionally entangle the cotton fibers, a water flow or needling may be applied to the fiber web in which the cotton fibers are accumulated. The method using water flow is preferable because the oil component on the surface of the cotton fibers is easily washed out at the same time, and hydrogen bonding between the cotton fibers is more likely to occur. Moreover, the cotton fiber to be used may be subjected to a bleaching treatment after scouring, or may be a fiber not subjected to the bleaching treatment.
円形綿不織布を複数枚積層した円柱体を、軸方向に全体に加圧して、円柱体を圧縮して円盤状とする。そして、円盤状に圧縮した状態で、室温下で養生する。加圧力及び養生時間は、隣り合う各円形綿不織布同士に水素結合が生じるような条件で行う。具体的には、後記実施例に示したような条件が採用される。 A cylindrical body obtained by laminating a plurality of circular cotton nonwoven fabrics is pressurized in the axial direction, and the cylindrical body is compressed into a disk shape. And it cures at room temperature in the state compressed into the disk shape. The pressing force and the curing time are performed under such conditions that hydrogen bonding occurs between adjacent circular cotton nonwoven fabrics. Specifically, conditions as shown in the examples described later are employed.
本発明において、隣り合う各円形綿不織布同士に水素結合が生じるのは、以下のような理由であると解釈される。まず、円形綿不織布として、木綿繊維相互間が三次元的に交絡してなるものを使用している。したがって、円形綿不織布表面も平滑ではなく凹凸状態となっており、積層された円柱体を軸方向に加圧圧縮すると、積層されている隣り合う円形綿不織布の木綿繊維同士が相互に入り込んだ状態となる。そして、木綿繊維表面のセルロース分子が近接して、水素結合が生じると考えられるのである。特に、水流によって三次元的に交絡された円形綿不織布の場合は、木綿繊維表面の油分が少なく、より水素結合を生じやすいと考えられるのである。たとえば、綿織物の場合は、木綿繊維集束体である綿糸によって形成されているため、隣り合う綿織物の綿糸中の木綿繊維同士が相互に入り込んだ状態とならず、また、木綿繊維表面に比較的多量の油分が存在しているので、本発明のような水素結合は生じにくいのである。 In this invention, it is interpreted that the hydrogen bond arises between each adjacent circular cotton nonwoven fabric for the following reasons. First, as a circular cotton nonwoven fabric, a cotton fabric that is entangled three-dimensionally between cotton fibers is used. Therefore, the surface of the circular cotton nonwoven fabric is not smooth but is uneven, and when the stacked cylinders are pressed and compressed in the axial direction, the stacked cotton fibers of adjacent circular cotton nonwoven fabrics enter each other. It becomes. And it is thought that the cellulose molecule on the cotton fiber surface adjoins, and a hydrogen bond arises. In particular, in the case of a circular cotton nonwoven fabric entangled three-dimensionally with a water stream, it is considered that the amount of oil on the surface of the cotton fiber is small and hydrogen bonds are more likely to occur. For example, in the case of cotton fabric, since it is formed by cotton yarn that is a bundle of cotton fibers, the cotton fibers in the cotton yarns of adjacent cotton fabrics do not enter each other, and a relatively large amount is present on the surface of the cotton fibers. Therefore, the hydrogen bond as in the present invention hardly occurs.
本発明に係る方法で得られた円盤状研磨バフは、その周縁端面を用いて、金属製品等の被研磨材を研磨するのに好適である。もちろん、その表裏面を使用して、被研磨材を研磨しても差し支えない。本発明に係る方法で得られた円盤状研磨バフは、金属製品の他に、ピアノやギター等の木工塗装品や合成樹脂成型品の塗装面を研磨して、つや出しするのにも適している。なお、被研磨材を研磨する際には、通常は市販の研磨剤を使用して行う。また、従来のように、円盤状研磨バフの中央近傍又は全体を綿糸で縫合しても差し支えない。 The disc-shaped polishing buff obtained by the method according to the present invention is suitable for polishing a material to be polished such as a metal product using the peripheral edge surface. Of course, the front and back surfaces may be used to polish the material to be polished. The disc-shaped polishing buff obtained by the method according to the present invention is suitable for polishing and polishing the painted surface of woodworked products such as pianos and guitars and synthetic resin molded products in addition to metal products. . In addition, when grinding | polishing to-be-polished material, it carries out normally using a commercially available abrasive | polishing agent. Further, as in the prior art, the vicinity of the center of the disk-shaped polishing buff or the whole may be sewn with cotton thread.
本発明に係る方法で得られた円盤状研磨バフは、木綿繊維相互間を三次元的に交絡してなる円形綿不織布を複数枚積層すると共に、隣り合う円形綿不織布同士は各円形綿不織布中の木綿繊維間の水素結合によって接合されているのである。したがって、その周縁端面においても、各円形綿不織布同士が水素結合によって接合一体化されている。よって、周縁端面を用いて金属製品等を研磨する際、周縁端面が被研磨材に対して面接触するから、研磨ムラや研磨スジが生じるのを防止しうるという効果を奏する。 The disc-shaped polishing buff obtained by the method according to the present invention laminates a plurality of circular cotton nonwoven fabrics obtained by three-dimensionally entanglement between cotton fibers, and adjacent circular cotton nonwoven fabrics are in each circular cotton nonwoven fabric. It is joined by hydrogen bonds between cotton fibers. Therefore, the circular cotton nonwoven fabrics are also joined and integrated by hydrogen bonding at the peripheral end face. Therefore, when a metal product or the like is polished using the peripheral end face, the peripheral end face comes into surface contact with the material to be polished, so that it is possible to prevent occurrence of polishing unevenness and polishing streaks.
綿不織布として、ユニチカ株式会社製「コットエース 品番Ｃ１００Ｓ／Ａ０１」を準備した。この綿不織布は、木綿繊維が集積されてなる繊維ウェブに水流を施して、木綿繊維相互間を三次元的に交絡したものであり、目付１００ｇ／ｍ2で厚み０．５ｍｍのものである。この綿不織布から、直径２００ｍｍの円形を打ち抜いて、円形綿不織布を得た。この円形綿不織布を１７０枚積層して円柱体を得た後、この円柱体を軸方向に１０５トンの荷重を負荷しながら、５０時間養生し、厚さ１３ｍｍの円盤状研磨バフを得た。なお、円盤状研磨バフの密度は０．８２５ｇ／ｍ3であった。 As a cotton nonwoven fabric, “Cot Ace product number C100S / A01” manufactured by Unitika Ltd. was prepared. This cotton non-woven fabric is obtained by applying a water flow to a fiber web in which cotton fibers are accumulated to intertwine cotton fibers in a three-dimensional manner, having a basis weight of 100 g / m 2 and a thickness of 0.5 mm. From this cotton nonwoven fabric, a circular shape having a diameter of 200 mm was punched out to obtain a circular cotton nonwoven fabric. After 170 circular cotton nonwoven fabrics were laminated to obtain a cylindrical body, the cylindrical body was cured for 50 hours while applying a load of 105 tons in the axial direction to obtain a disc-shaped polishing buff having a thickness of 13 mm. The density of the disc-shaped polishing buff was 0.825 g / m 3 .
この円盤状研磨バフを２１００ｒｐｍで回転させながら、研磨剤として「Ｕライム」を使用し、研磨バフの周縁端面に銅メッキされた円筒形金属製品を押し当てて、約４分間研磨した。３０個の円筒形金属製品を研磨したところ、いずれも、研磨ムラや研磨スジがなく、良好な金属光沢を持つものであった。なお、研磨後において、円盤状研磨バフの直径が１８５ｍｍとなっており、３０個の研磨でバフが１５ｍｍ消耗していた。 While rotating this disk-shaped polishing buff at 2100 rpm, “U lime” was used as an abrasive, and a cylindrical metal product plated with copper was pressed against the peripheral end surface of the polishing buff to polish for about 4 minutes. When 30 cylindrical metal products were polished, all of them had no polishing unevenness or polishing streaks and had a good metallic luster. In addition, after polishing, the diameter of the disc-shaped polishing buff was 185 mm, and the buff was consumed by 15 mm after 30 polishing.
Claims (2)
前記円形綿不織布を複数枚積層した円柱体を、軸方向に全体に加圧しながら養生することによって、隣り合う前記円形綿不織布同士を、前記円形綿不織布中の木綿繊維相互間の水素結合によって接合することを特徴とする円盤状研磨バフの製造方法。 Water flow is applied to a fiber web in which cotton fibers are accumulated to prepare a circular cotton nonwoven fabric in which cotton fibers are entangled three-dimensionally ,
A cylindrical body in which a plurality of the circular cotton nonwoven fabrics are stacked is cured while being pressed in the axial direction as a whole, and the adjacent circular cotton nonwoven fabrics are bonded to each other by hydrogen bonding between the cotton fibers in the circular cotton nonwoven fabric. A method for producing a disc-shaped polishing buff, comprising:
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| FI106566B (en) * | 1998-06-12 | 2001-02-28 | Suominen Oy J W | Process for improving and controlling the adhesion strength of the fibers in cellulose or cellulose synthetic fiber blends in a process for producing nonwoven fabric products |
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