JPH027016Y2 - - Google Patents
Info
- Publication number
- JPH027016Y2 JPH027016Y2 JP1985127039U JP12703985U JPH027016Y2 JP H027016 Y2 JPH027016 Y2 JP H027016Y2 JP 1985127039 U JP1985127039 U JP 1985127039U JP 12703985 U JP12703985 U JP 12703985U JP H027016 Y2 JPH027016 Y2 JP H027016Y2
- Authority
- JP
- Japan
- Prior art keywords
- grinding
- abrasive
- belt
- walnut shell
- coated
- 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
Links
- 241000758789 Juglans Species 0.000 claims description 19
- 235000009496 Juglans regia Nutrition 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 19
- 235000020234 walnut Nutrition 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 239000010420 shell particle Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000006061 abrasive grain Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 9
- 239000002344 surface layer Substances 0.000 claims description 3
- 239000007799 cork Substances 0.000 description 15
- 239000004744 fabric Substances 0.000 description 11
- 230000007547 defect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Description
〔考案の目的〕
(産業上の利用分野)
この考案は熱間及び冷間圧延工程を経て製造さ
れる鋼板、ステンレス板、チタニウム板等のスト
リツプコイルの表面欠陥除去等の研削作業におい
て優れた研削性と研削持続性を発揮できる胡桃殻
粒子の塗布物を被覆した下層の上に研摩砥粒を塗
布した研摩布紙からなる研削ベルトに関するもの
である。
(従来の技術)
従来から板ガラスのエツジ部の研摩用に使用さ
れて来たコルクベルトが最近金属製品の仕上面に
高級品イメージを付加するため、また、難削金属
の研摩という用途によつて見直されこれに適合で
きるものの開発と需要の拡大が計られて来たがコ
ルクベルトの特長は主として軽い研削荷重(加工
巾25粍あたり0.1〜1.0H.P.)において使用される
ものであり研削と云うよりもみがきとしての用途
が広い。従つて、従来コルクを核としたものはコ
ルクの粒強度、クツシヨン性から研削荷重が高い
(加工巾25粍あたり2H.P.以上)場合においては
コルク粒の破壊を生じベルトの早期摩粍を避けら
れないためベルトの研削寿命が短かくなつた。ま
た一方、金属のストリツプコイルの研削において
は次の理由によつて局部的に高い研削荷重がベル
トに加わることを避けることは出来ない。即ちイ
コイル幅の方向の反り、ロコイル両端部の切断
(トリミング)によるバリ、ハ圧延機のロールベ
ンデイングによるコイルの幅方向の厚みのむら。
従つて従来のコルクベルトによつては金属のスト
リツプコイルの表面欠陥除去の研削作業には十分
な研削性と研削持続性を発揮させることはできな
かつた。
(考案の解決しようとする問題点)
この考案は上記にかんがみコルクのように極め
て柔かくクツシヨン性に富む上脆い弾性瘤状物に
代えて下地層を適度の硬度と圧潰強度を有し弾力
性、摩粍性を有する胡桃殻の粒子を塗布物として
被覆して形成しその優れた研削性と研削持続性を
発揮できる研削ベルトを得んとするものである。
〔考案の構成〕
(問題点を解決するための手段)
この考案は上記の目的を達成するため可撓性を
有する基材(布、紙、バルカナイズドフアイバ
ー、およびこれらの組合せ)の表面に接着剤(エ
ポキシ樹脂、フエノール樹脂、ウレタン樹脂の単
独またはその組合せ)を介して平均粒径約0.2〜
5.0粍に粉砕分級された胡桃殻粒子を塗布物とし
て被覆して下層を形成した上に研摩砥粒の平均粒
径約0.07〜0.50粍(JIS粒度規格150番〜36番相
当)の砥粒を接着剤を介して塗布物として被覆し
た表層を設けてなる研摩布を無端ベルトに加工し
た研削ベルトである。
(作用)
この考案の作用効果を説明すると、基布の表面
に被覆した下層を形成する塗布物の胡桃殻は適度
の硬さ、弾力性、摩粍性を有するのでこの考案の
研削ベルトを使用した研削作業において胡桃殻粒
が適度に摩粍しそれにつれて研摩砥粒が少しずつ
発刃して研削性を発揮するので金属のストリツプ
コイルの表面欠陥除去の研削作業等においてその
優れた研削性と研削持続性を通常の研摩布を使用
した場合と比較して格段よい作用効果を有するも
のとなる。
(実施例)
この考案の実施例を以下図面に基づいて説明す
る。
第1図はこの考案の研削ベルト1を構成する研
摩布紙2の断面の拡大説明図である。
可撓性を有する基材3(布、紙、バルカナイズ
ドフアイバー及びそれらの組合せ裏打ち材)の表
面に胡桃殻粒子4(平均粒径0.2〜5.0粍に粉砕分
級してなるもの)を塗布物として被覆し下層を形
成させるため胡桃殻粒子固着用接着剤5を塗布し
て固着し、その胡桃殻粒子4の表面に平均粒径約
0.07〜0.50粍(JIS粒度規格150番〜36番相当)の
研摩砥粒6(アルミナ、アルミナ−ジルコニア、
炭化硅素からなるもの)を研摩砥粒用接着剤7を
塗布した上に塗布物として被覆させて表層を形成
固着させたものである。接着剤5,7はエポキシ
樹脂、フエノール樹脂、ウレタン樹脂の単独また
はその組合せによるものを使用する。つぎに、上
記の研摩布紙2を無端ベルトに加工してなる研削
ベルト1は第2図に示すように金属のストリツプ
コイル研削用のストリツプ研削機の研削ヘツドに
取付けられる。尚、研削ベルト1の大きさは1500
粍巾×3200粍周長の大形のものもある。図におい
て矢印方向に比較的低速度で走行するロール上の
ストリツプCにゴムのような弾性材からなる駆動
用を兼ねる巾広のコンタクトロールRC又は巾狭
のコンタクトホイルが圧着されると共に研削ヘツ
ドの上方に設けたアイドラーロールRDとコンタ
クトロールRCまたはコンタクトホイルとの間に
外周面にほぼ均一に研摩材が固着されたエンドレ
スの研削ベルト1が張設されており高速度で矢印
方向に回転移動し乍らストリツプコイルの表面欠
陥(酸化皮膜、加工変質層等の化学的欠陥と疵に
よる物理的欠陥)除去のため優れた研削性を発揮
させることができる。なお、研削ベルト1の周速
はチタン材の場合600米/分、ステンレス材1300
米/分、ストリツプコイルの送り速度は5米/分
〜15米/分の研削条件が適合しており、一般に研
削時の潤滑剤としてはステンレス材には水又は
油、チタン材は水を使用しても研削ベルトの研削
持続性は低下しない。
つぎに、この考案の胡桃殻粒子を用いた研削ベ
ルトと市販のコルク粒子を用いたものの比較実施
例を示し格段の性能差のあることを説明する。
第1実施例
市販のコルク粒および胡桃殻粒をそれぞれJIS
−R−6001の“研摩材の粒度分布”にしたがつて
粒度#16(平均粒径約1.2粍)にふるい分けて整粒
した。エポキシ樹脂(ビスフエノールジグリシジ
ルエーテル)と液状ポリアミド硬化剤とを混合し
た一定量の接着剤を介し通常の研摩布紙に使用さ
れる木綿綾布を基材としてその表面に整粒後の粒
子を各々一層かつ最密に付着させた後、接着剤を
乾燥させ、乾燥後の基材の粒子の表面に一定量の
エポキシ−ポリアミド接着剤を塗布し、その上か
らJIS粒度#80(平均粒径約0.2粍)の溶融アルミ
ナ研摩材を約750g/m2付着させ接着剤を加熱乾
燥後硬化させる。
この試料から巾100粍×周長2100粍の無端ベル
トを作成する。
平面研削機(田原昭栄機工製)を使用し次の条
件により研削した結果を表1に示す。
研削条件:被削材 SUS 304 25粍巾×Xm長
ベルトスピード 1400米/分
被削材送り 10米/分
研削荷重 2.5H.P./25粍巾被削材
研削液 水
研削方向 ダウンカツト
[Purpose of the invention] (Industrial application field) This invention provides excellent grinding performance in grinding operations such as removing surface defects from strip coils of steel plates, stainless steel plates, titanium plates, etc. manufactured through hot and cold rolling processes. The present invention relates to a grinding belt made of abrasive cloth coated with abrasive grains on a lower layer coated with a coating of walnut shell particles capable of exhibiting continuous grinding. (Prior art) Cork belts, which have traditionally been used for polishing the edges of plate glass, have recently been used to add a high-quality image to the finished surfaces of metal products, and for polishing difficult-to-cut metals. The cork belt has been reviewed and plans have been made to develop and expand demand for products that can meet this requirement, but the feature of cork belts is that they are mainly used for light grinding loads (0.1 to 1.0 HP per 25 mm processing width), rather than for grinding. It has a wide range of uses as a scrub. Therefore, with conventional products that use cork as a core, if the grinding load is high (more than 2 H.P. per 25 millimeters of processing width) due to the grain strength and cushioning properties of the cork, the cork grains will break and the belt will wear out prematurely. As this is unavoidable, the grinding life of the belt is shortened. On the other hand, when grinding a metal strip coil, it is impossible to avoid applying a locally high grinding load to the belt for the following reason. That is, warping in the width direction of the coil, burrs due to cutting (trimming) at both ends of the coil, and uneven thickness in the width direction of the coil due to roll bending of the rolling mill.
Therefore, conventional cork belts have not been able to exhibit sufficient grinding performance and grinding durability for the grinding work of removing surface defects from metal strip coils. (Problems to be solved by the invention) In view of the above, this invention uses a base layer that has moderate hardness, crushing strength, and elasticity, instead of using a brittle elastic nodule like cork that is extremely soft and has good cushioning properties. The object of the present invention is to obtain a grinding belt that is formed by coating particles of walnut shells having abrasive properties as a coating material and exhibits excellent grinding performance and grinding durability. [Structure of the invention] (Means for solving the problems) In order to achieve the above object, this invention uses an adhesive on the surface of a flexible base material (cloth, paper, vulcanized fiber, or a combination thereof). (Epoxy resin, phenolic resin, urethane resin alone or in combination) with an average particle size of approximately 0.2~
A lower layer is formed by coating walnut shell particles that have been crushed and classified into 5.0 mm particles, and then abrasive grains with an average particle size of approximately 0.07 to 0.50 mm (equivalent to JIS particle size standards No. 150 to 36) are applied on top of the coating. This is an endless belt made of an abrasive cloth with a surface layer coated with an adhesive. (Function) To explain the function and effect of this invention, the abrasive belt of this invention is used because the walnut shell that forms the lower layer coated on the surface of the base fabric has appropriate hardness, elasticity, and abrasiveness. During the grinding process, the walnut shell grains are moderately abraded, and the abrasive grains gradually develop into sharp edges, exhibiting grinding properties.The walnut shell grains are abraded to an appropriate level, and the abrasive grains gradually develop into sharp edges, demonstrating excellent grinding properties. It has much better durability than when using a normal abrasive cloth. (Example) An example of this invention will be described below based on the drawings. FIG. 1 is an enlarged explanatory view of the cross section of the abrasive cloth 2 constituting the abrasive belt 1 of this invention. The surface of a flexible base material 3 (cloth, paper, vulcanized fiber, or combination backing material thereof) is coated with walnut shell particles 4 (pulverized and classified to an average particle size of 0.2 to 5.0 mm) as a coating material. In order to form a lower layer, an adhesive 5 for fixing walnut shell particles is applied and fixed, and the surface of the walnut shell particles 4 has an average particle diameter of about
Abrasive grains 6 (alumina, alumina-zirconia,
The adhesive 7 for polishing abrasive grains is coated with silicon carbide (silicon carbide) and then coated as a coating to form a surface layer and fixed. As the adhesives 5 and 7, epoxy resin, phenol resin, and urethane resin may be used alone or in combination. Next, the grinding belt 1 formed by processing the above-mentioned abrasive cloth 2 into an endless belt is attached to the grinding head of a strip grinding machine for grinding metal strip coils, as shown in FIG. Furthermore, the size of the grinding belt 1 is 1500
There are also large ones measuring 3,200 mm in width and 3,200 mm in circumference. In the figure, a wide contact roll R C made of an elastic material such as rubber, which also serves as a drive, or a narrow contact foil is crimped onto a strip C on a roll running at a relatively low speed in the direction of the arrow, and a grinding head is attached. An endless grinding belt 1 with an abrasive material fixed almost uniformly on the outer circumferential surface is stretched between the idler roll R D provided above and the contact roll R C or contact foil. While rotating and moving, the strip coil can exhibit excellent grinding performance because it removes surface defects (chemical defects such as oxide films and damaged layers, and physical defects due to scratches). The peripheral speed of the grinding belt 1 is 600 m/min for titanium material and 1300 m/min for stainless steel material.
The feeding speed of the strip coil is suitable for grinding conditions of 5 m/min to 15 m/min, and water or oil is generally used as a lubricant for grinding stainless steel materials and water for titanium materials. However, the grinding durability of the grinding belt does not deteriorate. Next, we will show a comparative example of a grinding belt using walnut shell particles of this invention and a grinding belt using commercially available cork particles, and explain that there is a significant difference in performance. 1st Example Commercially available cork grains and walnut shell grains were each prepared using JIS
-R-6001 "Particle size distribution of abrasive", the particles were sieved to particle size #16 (average particle size of about 1.2 millimeters). The sized particles are applied to the surface of a cotton twill cloth used for ordinary abrasive paper as a base material through a certain amount of adhesive mixed with an epoxy resin (bisphenol diglycidyl ether) and a liquid polyamide curing agent. After each layer has been adhered in a single layer and most densely, the adhesive is dried, and a certain amount of epoxy-polyamide adhesive is applied to the surface of the dried base material particles, and then applied on top of JIS particle size #80 (average particle size). Approximately 750 g/m 2 of fused alumina abrasive (approximately 0.2 millimeters) is applied, and the adhesive is heated and dried, then cured. An endless belt with a width of 100 mm and a circumference of 2100 mm is made from this sample. Table 1 shows the results of grinding using a surface grinder (manufactured by Tahara Shoei Kiko) under the following conditions. Grinding conditions: Work material SUS 304 25mm width x Xm length Belt speed 1400m/min Workpiece feed 10m/min Grinding load 2.5HP/25mm width Workpiece material Grinding fluid Water Grinding direction Down cut
【表】
第2実施例
第1実施例の研摩材を付着した接着剤エポキシ
樹脂を乾燥後液状フエノールホルムアルデヒド樹
脂(昭和高分子(株)製BRL−2683)を研摩材層の
上から約170g/m2塗布しこれを乾燥硬化した後
第1実施例と同じ研削を試みた結果を表2に示
す。[Table] Second Example After drying the adhesive epoxy resin to which the abrasive of the first example was attached, apply approximately 170 g of liquid phenol formaldehyde resin (BRL-2683 manufactured by Showa Kobunshi Co., Ltd.) on top of the abrasive layer. Table 2 shows the results of trying the same grinding as in the first example after coating m 2 and drying and curing it.
【表】
〔考案の効果〕
この考案は上記の構成を有するので従来のコル
クベルト等の欠点を解消し金属のストリツプコイ
ルの表面欠陥除去等の研削作業において胡桃殻粒
のもつ速度のクツシヨン性と粒強度がこの作業に
マツチして優れた研削性と研削持続性を発揮でき
る効果は著しく大である。
なお、上記に用いたコルク粒子および胡桃殻粒
子の断面の走査型電顕写真(倍率×300)をそれ
ぞれ第3図及び第4図に示す。胡桃殻粒がコルク
粒と比べて格段の緻密な組織を有することがわか
る。
更に具体的にいえば、胡桃殻粒子の圧縮応力は
実験によれば、従来のコルク殻粒子のそれに比較
して約6倍程度あるため、研削時における負荷が
高くても容易に研摩砥粒が脱落することがないの
で、研削性能が持続する利益を奏する。[Table] [Effects of the invention] This invention has the above-mentioned structure, so it eliminates the drawbacks of conventional cork belts, etc., and improves the speed and cushioning properties of walnut shell grains in grinding operations such as removing surface defects from metal strip coils. The strength is suitable for this work, and the effect of exhibiting excellent grinding performance and grinding sustainability is extremely large. Incidentally, scanning electron micrographs (magnification: x300) of the cross sections of the cork particles and walnut shell particles used above are shown in FIGS. 3 and 4, respectively. It can be seen that walnut shell grains have a much more dense structure than cork grains. More specifically, experiments have shown that the compressive stress of walnut shell particles is about 6 times that of conventional cork shell particles, so even under high loads during grinding, abrasive grains can easily break down. Since it does not fall off, it provides the benefit of sustained grinding performance.
第1図はこの考案の研削ベルトを構成する研摩
布紙の拡大断面説明図(側面図)、第2図は研削
ベルトを取付けたストリツプ研削機の作用説明図
(正面図)、第3図はコルク粒子の断面の走査型電
顕写真、第4図は胡桃殻粒子の断面の走査型電顕
写真である。
主要部分の符号の説明、1……研削ベルト、2
……研摩布紙、3……基材、4……胡桃殻粒子、
5……接着剤(同上用)、6……研摩砥粒。
Figure 1 is an enlarged cross-sectional explanatory diagram (side view) of the abrasive cloth that constitutes the abrasive belt of this invention, Figure 2 is an explanatory diagram (front view) of the strip grinding machine with the abrasive belt attached, and Figure 3 is A scanning electron micrograph of a cross section of a cork particle, and FIG. 4 is a scanning electron micrograph of a cross section of a walnut shell particle. Explanation of symbols of main parts, 1... Grinding belt, 2
... Abrasive cloth paper, 3 ... Base material, 4 ... Walnut shell particles,
5... Adhesive (for the same as above), 6... Abrasive grains.
Claims (1)
して胡桃殻粒子4を塗布物として被覆し下層を
形成した上に研摩砥粒6を被覆した表層を設け
た研摩布紙2を無端ベルトに形成したことを特
徴とする研削ベルト。 (2) 平均粒径0.2〜5.0粍に粉砕分級された胡桃殻
粒子4を塗布物として被覆したことを特徴とす
る実用新案登録請求の範囲第(1)項記載の研削ベ
ルト。[Claims for Utility Model Registration] (1) The surface of a flexible base material 3 is coated with walnut shell particles 4 as a coating via an adhesive 5 to form a lower layer, and then abrasive grains 6 are coated on top. A grinding belt characterized in that an abrasive coated paper 2 provided with a surface layer is formed into an endless belt. (2) The grinding belt according to claim (1) of the utility model registration, characterized in that it is coated with walnut shell particles 4 that have been crushed and classified to an average particle size of 0.2 to 5.0 mm as a coating material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985127039U JPH027016Y2 (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985127039U JPH027016Y2 (en) | 1985-08-20 | 1985-08-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6235765U JPS6235765U (en) | 1987-03-03 |
JPH027016Y2 true JPH027016Y2 (en) | 1990-02-20 |
Family
ID=31021408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985127039U Expired JPH027016Y2 (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH027016Y2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8870985B2 (en) * | 2010-12-30 | 2014-10-28 | Saint-Gobain Abrasives, Inc. | Abrasive particle and method of forming same |
JP2012200791A (en) * | 2011-03-23 | 2012-10-22 | Nisshin Steel Co Ltd | Polishing belt for removing surface scale and method of manufacturing steel strip using the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52109689A (en) * | 1976-02-28 | 1977-09-14 | Carborundum Co | Coating grinding material having layer of spherical grinding body |
-
1985
- 1985-08-20 JP JP1985127039U patent/JPH027016Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52109689A (en) * | 1976-02-28 | 1977-09-14 | Carborundum Co | Coating grinding material having layer of spherical grinding body |
Also Published As
Publication number | Publication date |
---|---|
JPS6235765U (en) | 1987-03-03 |
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