JPH0441172A - Polishing machine - Google Patents

Polishing machine

Info

Publication number
JPH0441172A
JPH0441172A JP14522590A JP14522590A JPH0441172A JP H0441172 A JPH0441172 A JP H0441172A JP 14522590 A JP14522590 A JP 14522590A JP 14522590 A JP14522590 A JP 14522590A JP H0441172 A JPH0441172 A JP H0441172A
Authority
JP
Japan
Prior art keywords
polished
processing container
magnet
polishing machine
magnets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14522590A
Other languages
Japanese (ja)
Inventor
Kazuhiko Zushi
和彦 図師
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP14522590A priority Critical patent/JPH0441172A/en
Publication of JPH0441172A publication Critical patent/JPH0441172A/en
Pending legal-status Critical Current

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  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

PURPOSE:To violently thrust wire pieces to the body to be polished so as to polish the body to be polished extremely pretty, by providing a processing container so that the center axis thereof becomes horizontal and also arranging magnets in opposition with the center axis of the processing container being interposed at the outer periphery vicinity of the processing container. CONSTITUTION:Wire pieces 13 are thrusted to the body to be polished inside the processing container 10 to polish the body to be polished by the rotation of the magnet 3 provided on a rotating frame 1 accompanied by the driving of a motor 2. In this case, the processing container 10 is provided so that the center axis thereof becomes horizontal and also the magnets 3 are arranged in opposition by interposing the center axis of the processing container 10 at the outer peripheral vicinity of the processing container 10. Since the wire pieces 13 can follow the rotation of the magnet 3 even in case of the magnets 3 rotation number being increased to about 12000rpm, they can be thrusted violently to the body 14 to be polished and the body 14 to be polished can be polished very splendidly.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、機械部品、入れ歯、
指輪等を研磨するために使用される研磨機に関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention is applicable to mechanical parts, dentures,
This invention relates to a polishing machine used for polishing rings and the like.

(従来技術) 従来、この種の研磨機としては、第5図
、第6図に示すように、垂直状態で固定され、その中に
液体23とメリヤ(直径0.5 n、長さ5fiの針金
)20とが収容された円筒状の処理容器16と、該処理
容器16の下面近傍に水平状態で配設された円盤17と
、該円盤17に取付けられた複数の円柱状磁石1日とに
より構成されている。ここで、磁石18は、4箇所に9
個ずつ分散して設けられており、それぞれが扇状に配置
されている。そして、モータ19によって円盤17と共
に磁石!8を回転させ、該磁石18の回転によって処理
容器16内のメリヤ20を回転さることにより、該メリ
ヤ20を処理容器16内の被研磨物(第5図においては
ナンド)21に衝接させて被研磨物21を研磨するよう
にされている。
(Prior Art) Conventionally, as shown in FIGS. 5 and 6, this type of polishing machine is fixed in a vertical position, and therein is a liquid 23 and a knitting machine (diameter 0.5 n, length 5 fi). A cylindrical processing container 16 containing a wire (20), a disk 17 horizontally disposed near the bottom surface of the processing container 16, and a plurality of cylindrical magnets attached to the disk 17. It is made up of. Here, the magnets 18 are placed at 9
They are distributed one by one, and each one is arranged in a fan shape. Then, the motor 19 generates a magnet along with the disk 17! 8 and the rotation of the magnet 18 rotates the knitting material 20 in the processing container 16, so that the knitting material 20 is brought into contact with the object to be polished (a nand in FIG. 5) 21 in the processing container 16. The object to be polished 21 is polished.

(発明が解決しようとする課題) ところで、メリヤ2
0を高速で回転させれば、メリヤ20がそれだけ激しく
被研磨物21に衝接することになるので、被研磨物21
をきれいに研磨することができる。しかしながら、上記
のように構成された研磨機においては、モータ19(す
なわち、磁石18)の回転数を360Orpm以上にす
ると、メリヤ20が磁石18の回転に付いていくことが
できなくなり、メリヤ20がほぼ静止の状態となるので
、被研磨物21を研磨することができなくなる。従って
、従来の研磨機においては、磁石18を低速でしか回転
させることができず、その結果、メリヤ20を被研磨物
21に激しく衝接させることができないので、被研磨物
21を荒く研磨することしかできない、このため、仕上
げとして更にパフ等を使用しているのが現状であり、作
業性が悪いという欠点がある。また、磁石1日によって
発生する磁場のうちメリヤ20を回転させるだけの力を
存する磁場は、処理容器16の底面からせいぜい3al
の高さの所までしか及ばないので、高さのある被研磨物
は部分的にしか研磨することができないという欠点があ
る。さらに、長さのある被研磨物を研磨するには、処理
容器16の径を大きくする必要があるが、上述したよう
に磁石18は扇状に配置されているので、磁石18の数
を最低20個も増やさなければならず、製造コストが高
くなるという欠点がある。
(Problem to be solved by the invention) By the way, Meliya 2
0 rotates at a high speed, the melier 20 will collide with the object to be polished 21 more violently, so the object to be polished 21
can be polished cleanly. However, in the polishing machine configured as described above, when the rotation speed of the motor 19 (that is, the magnet 18) is set to 360 Orpm or more, the melinar 20 cannot keep up with the rotation of the magnet 18, and the melinar 20 Since it is in a substantially stationary state, the object to be polished 21 cannot be polished. Therefore, in the conventional polishing machine, the magnet 18 can only be rotated at a low speed, and as a result, it is not possible to make the mellia 20 violently collide with the object 21 to be polished, so that the object 21 to be polished cannot be roughly polished. For this reason, at present, a puff or the like is additionally used as a finishing touch, which has the disadvantage of poor workability. Further, among the magnetic fields generated by the magnet in one day, the magnetic field having enough force to rotate the merry 20 is at most 3al from the bottom of the processing container 16.
This has the disadvantage that a tall object to be polished can only be partially polished. Furthermore, in order to polish a long object to be polished, it is necessary to increase the diameter of the processing container 16, but since the magnets 18 are arranged in a fan shape as described above, the number of magnets 18 should be at least 20. The disadvantage is that the number of units must be increased, which increases manufacturing costs.

(課題を解決するための手段) 本発明は、従来技術に
おける上記のような欠点を解決することを目的とするも
のであり、その手段として、液体とメリヤとが収容され
た円筒状の処理容器と、該処理容器の近傍に配置された
磁石とからなり、該磁石の回転によってメリヤを回転さ
せることにより、該メリヤを処理容器内の被研磨物に衝
接させて被研磨物を研磨するようにした研磨機において
、前記処理容器を、その中心軸が水平となるように設け
ると共に、前記磁石を、処理容器の外周近傍に処理容器
の前記中心軸を挟んで対向して配置するようにしたもの
である。また、前記処理容器の軸線上に中空部を形成す
ると共に、該中空部に前記磁石と共に回転する別の磁石
を配置するようにしたものである。
(Means for Solving the Problem) The present invention aims to solve the above-mentioned drawbacks in the prior art, and as a means thereof, a cylindrical processing container containing a liquid and a merrier is provided. and a magnet placed near the processing container, and by rotating the knitting material by the rotation of the magnet, the knitting material is brought into contact with the object to be polished in the processing container, and the object to be polished is polished. In the polishing machine, the processing container is provided so that its central axis is horizontal, and the magnets are arranged near the outer periphery of the processing container so as to face each other across the central axis of the processing container. It is something. Further, a hollow portion is formed on the axis of the processing container, and another magnet that rotates together with the magnet is arranged in the hollow portion.

(実施例) 以下、本発明の実施例を図面に基づいて説
明する。
(Example) Hereinafter, an example of the present invention will be described based on the drawings.

第1図は本発明に係る研磨機の一実施例を示す縦断面図
、第2図は第1図におけるI−1断面図、第3図は本発
明に係る研磨機の他の実施例を示す概略縦断面図、第4
図は第3図における■−■断面図である。
FIG. 1 is a longitudinal sectional view showing one embodiment of the polishing machine according to the present invention, FIG. 2 is a sectional view taken along line I-1 in FIG. 1, and FIG. Schematic longitudinal sectional view shown, No. 4
The figure is a sectional view taken along the line ■-■ in FIG. 3.

第1図、第2図に示すように、アルミ製の回転枠1は、
一端が開口した円筒状に形成されており、該回転枠1は
その中心軸を水平にして設けられている。この回転枠1
の他端面1aには、その中央部にモータ2の駆動軸2a
が固着されており、モータ2を回転駆動させて回転枠1
をその中心軸回りに回転させることができるようにされ
ている。
As shown in FIGS. 1 and 2, the aluminum rotating frame 1 is
It is formed into a cylindrical shape with one end open, and the rotating frame 1 is provided with its central axis horizontal. This rotating frame 1
The other end surface 1a has a drive shaft 2a of the motor 2 in the center thereof.
is fixed, and the motor 2 is rotated to rotate the rotating frame 1.
can be rotated around its central axis.

この回転枠1の周壁には、その相対向する部位にそれぞ
れ4個の強力な円柱状磁石3が一定間隔をおいて取付け
られている。ここで、一方の部位に取付けられた磁石3
と他方の部位に取付けられた磁石3とは、N極とS極と
を相対向させて配置されている。
Four strong cylindrical magnets 3 are attached to the circumferential wall of the rotating frame 1 at regular intervals at opposing positions. Here, magnet 3 attached to one part
and the magnet 3 attached to the other part are arranged with their north and south poles facing each other.

前記回転枠1内には、一端が開口した円筒状の保持体4
が設けられており、その開口端の周縁は連結板5を介し
て取付枠6に固定されている。ここで、保持体4ばステ
ンレスで作られている。また、保持体4の他端面には、
その中央に突出部゛1゛が形成されており、該突出部7
は前記回転枠1の後端内面に形成された凹所8内に位置
して設けられている。そして、突出部7と凹所8との間
には複数のポール9が介在されており、これにより回転
枠lが保持体4の回りをスムーズに回転することができ
るようにされている。
Inside the rotating frame 1 is a cylindrical holder 4 with one end open.
is provided, and the periphery of the opening end thereof is fixed to the mounting frame 6 via the connecting plate 5. Here, the holder 4 is made of stainless steel. Moreover, on the other end surface of the holding body 4,
A protrusion ``1'' is formed in the center, and the protrusion 7
is provided within a recess 8 formed on the inner surface of the rear end of the rotary frame 1. A plurality of poles 9 are interposed between the protrusion 7 and the recess 8, so that the rotating frame 1 can smoothly rotate around the holder 4.

前記保持体4内には、一端が開口した円筒状の処理容器
10が着脱自在に設けられている。この処理容器10の
開口端は蓋体1)で密閉することができるようにされて
おり、これにより処理容器10を第1図のように水平状
態にしても、処理容器10内の液体等が外部に漏れるこ
とのないようにされている。ここで、処理容器10と蓋
体1)とは共にポリエチレンで作られている。
Inside the holder 4, a cylindrical processing container 10 with one end open is detachably provided. The open end of the processing container 10 can be sealed with a lid 1), so that even if the processing container 10 is placed horizontally as shown in FIG. It is designed to prevent leakage to the outside. Here, both the processing container 10 and the lid 1) are made of polyethylene.

次に本実施例の作用について説明する。Next, the operation of this embodiment will be explained.

まず、液体12とメリヤ(直径0.5 fi、長さ5f
iの針金)13とが収容された処理容器10内に被研磨
物(第2図においてはす7))14を入れ、処理容器1
0の開口端を蓋体1)で密閉する。そして、この処理容
器10を保持体4に取付は静止状態で保持する。次いで
、モータ2を回転駆動させることにより、回転枠1をそ
の中心軸回りに回転させる(第2図矢印イ)。すると、
それに伴って磁石3も回転することになり、この磁石3
の回転に付随して処理容器10内のメリヤ13が処理容
器10内で回転する(第2図矢印口)。このようにメリ
ヤ13が回転すると、該メリヤ13が被研磨物14の表
面に衝接し、被研磨物14が研磨される。ところで、研
磨機を上記のように構成した場合、メリヤ13は磁石3
に吸引された状態で回転することになるので、モータ2
(すなわち、磁石3)の回転数を1200Orpmまで
上げても、メリヤ13は磁石3の回転に付いていくこと
ができる。その結果、メリヤ13を被研磨物14に激し
く衝接させることができるので、従来に比して被研磨物
14を非常にきれいに研磨することができる。また、円
筒状の処理容器10を水平状態で設けるようにしたこと
により、被研磨物14は、高速回転するメリヤ13から
の力を受けて処理容器10の内周面に沿って移動し途中
で反転することになるので(第2図矢印ハ)、高さのあ
る被研磨物14全体を万遍なく研磨することができる。
First, liquid 12 and Meliya (diameter 0.5 fi, length 5 f
Place the object to be polished (lotus 7 in FIG.
Seal the open end of 0 with lid 1). Then, the processing container 10 is attached to the holder 4 and held in a stationary state. Next, by rotationally driving the motor 2, the rotating frame 1 is rotated around its central axis (arrow A in FIG. 2). Then,
Along with this, the magnet 3 will also rotate, and this magnet 3
Along with the rotation of the processing container 10, the merry 13 within the processing container 10 rotates within the processing container 10 (as indicated by the arrow in FIG. 2). When the knitting material 13 rotates in this manner, the knitting material 13 collides with the surface of the object to be polished 14, and the object to be polished 14 is polished. By the way, when the polishing machine is configured as described above, the meriya 13 is connected to the magnet 3.
Motor 2 will rotate while being attracted to
Even if the rotational speed of the magnet 3 (that is, the magnet 3) is increased to 1200 rpm, the mellia 13 can keep up with the rotation of the magnet 3. As a result, it is possible to violently impact the material 13 against the object 14 to be polished, so that the object 14 to be polished can be polished much more cleanly than in the past. Furthermore, since the cylindrical processing container 10 is installed in a horizontal state, the object to be polished 14 moves along the inner circumferential surface of the processing container 10 under the force of the meyer 13 rotating at high speed. Since it is reversed (arrow C in FIG. 2), the entire tall object 14 to be polished can be polished evenly.

さらに、長さのある棒状の品物を研磨するには、研磨機
全体をその軸方向に長くすればよいが、これに伴う磁石
8の増加はせいぜい数個であるので、製造コストがそれ
ほど高くなることはない。
Furthermore, in order to polish a long bar-shaped item, the entire polishing machine can be lengthened in its axial direction, but this increases the number of magnets 8 by at most a few pieces, so the manufacturing cost becomes very high. Never.

ところで、モータ2の回転数を12000rp鏑から徐
々に上げていくと、メリヤ13の回転数も上がって研磨
力が向上することになるが、モータ2の回転数が成る値
よりも大きくなると、磁石3による吸引力とメリヤ13
自体に働く遠心力との相乗作用により、メリヤ13が処
理容器10の内周面に引っ付いた状態で回転することに
なるので、被研磨物14を効率よく研磨することができ
なくなる。これを解決するには、研磨機を以下のように
構成すればよい、すなわち、第3図、第4図に示すよう
に、処理容器10の軸線上に両端が開口した中空部10
aを形成する一方、回転枠1の軸線上に前記中空部10
aに挿通される突片1bを形成する。そして、この突片
1bに、回転枠1の周壁に取付けられた前記磁石3と同
極同士を相対向させて4個の磁石22を取付ける。他の
構成については上記した研磨機と同じである。このよう
に構成することにより、モータ2の回転数を12000
rp+wより大幅に上げた場合でも、磁石3による吸引
力とメリヤ13自体に働く遠心力とを磁石22による吸
引力によって打ち消すことができるので、メリヤ13が
処理容器10の内周面に引っ付いてしまうことはなく、
その結果、被研磨物14を効率よく研磨することができ
る。
By the way, if the rotation speed of the motor 2 is gradually increased from 12,000 rpm, the rotation speed of the melier 13 will also increase and the polishing power will be improved. Attraction power due to 3 and Meliya 13
Due to the synergistic effect with the centrifugal force acting on itself, the miya 13 rotates while sticking to the inner circumferential surface of the processing container 10, making it impossible to polish the object 14 efficiently. In order to solve this problem, the polishing machine may be configured as follows. That is, as shown in FIGS.
a, while the hollow portion 10 is formed on the axis of the rotating frame 1.
A protruding piece 1b is formed to be inserted through a. Then, four magnets 22 are attached to this projecting piece 1b with the same polarity as the magnet 3 attached to the peripheral wall of the rotating frame 1 facing each other. The other configurations are the same as the polishing machine described above. With this configuration, the number of rotations of the motor 2 can be increased to 12,000.
Even if the value is significantly higher than rp+w, the attractive force of the magnet 3 and the centrifugal force acting on the mellia 13 itself can be canceled by the attractive force of the magnet 22, so the mellia 13 will stick to the inner peripheral surface of the processing container 10. Without a doubt,
As a result, the object to be polished 14 can be polished efficiently.

(発明の効果) 本発明では、研磨機を以上のように構
成したことにより、処理容器内のメリヤは磁石に吸引さ
れた状態で回転することになるので、磁石の回転数を上
げても、メリヤは磁石の回転に付いていくことができる
。その結果、メリヤを被研磨物に激しく衝接させること
ができるので、被研磨物を非常にきれいに研磨すること
ができ、その結果、従来のように仕上げとしてパフ等を
使用する必要がないので、作業性が向上するというすぐ
れた効果がある。また、円筒状の処理容器を水平状態で
設けるようにしたことにより、被研磨物は、高速回転す
るメリヤからの力を受けて処理容器の内周面に沿って移
動し途中で反転することになるので、高さのある被研磨
物でも万遍なく研磨することができるというすぐれた効
果がある。さらに、長さのある棒状の品物を研磨するに
は、研磨機の軸方向の長さを長くすればよいが、これに
伴う磁石の増加はせいぜい数個であるので、従来のよう
に製造コストが大幅に高(なることはないというすぐれ
た効果がある。
(Effects of the Invention) In the present invention, by configuring the polishing machine as described above, the knitting material in the processing container rotates while being attracted to the magnet, so even if the rotation speed of the magnet is increased, Meliya can follow the rotation of the magnet. As a result, it is possible to violently impact the object with the knitting material, and the object to be polished can be polished very cleanly.As a result, there is no need to use a puff or the like for finishing as in the past. It has the excellent effect of improving workability. In addition, by installing the cylindrical processing container in a horizontal state, the object to be polished moves along the inner circumferential surface of the processing container under the force of the fast-rotating knitting material, and is reversed along the way. Therefore, there is an excellent effect in that even tall objects to be polished can be polished evenly. Furthermore, in order to polish a long bar-shaped item, the length of the polisher in the axial direction can be increased, but this increases the number of magnets by at most a few pieces, so the manufacturing cost is lower than in the past. It has an excellent effect of not becoming significantly higher.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に係る研磨機を示す縦断面図、第2図は
第1図におけるI−I断面図、第3図は従来技術を示す
縦断面図、第4図は第3図における磁石の配置を示す平
面図、第5図は従来技術を示す縦断面図、第6図は第5
図における磁石の配置を示す平面図である。
FIG. 1 is a longitudinal sectional view showing a polishing machine according to the present invention, FIG. 2 is a sectional view taken along line II in FIG. 1, FIG. 3 is a longitudinal sectional view showing the prior art, and FIG. FIG. 5 is a plan view showing the arrangement of magnets, FIG. 5 is a vertical cross-sectional view showing the prior art, and FIG.
It is a top view which shows the arrangement|positioning of the magnet in a figure.

Claims (2)

【特許請求の範囲】[Claims] (1)液体とメリヤとが収容された円筒状の処理容器と
、該処理容器の近傍に配置された磁石とからなり、該磁
石の回転によってメリヤを回転させることにより、該メ
リヤを処理容器内の被研磨物に衝接させて被研磨物を研
磨するようにした研磨機において、前記処理容器を、そ
の中心軸が水平となるように設けると共に、前記磁石を
、処理容器の外周近傍に処理容器の前記中心軸を挟んで
対向して配置するようにしたことを特徴とする研磨機。
(1) Consists of a cylindrical processing container containing a liquid and a knitting container, and a magnet placed near the processing container. In a polishing machine that polishes an object to be polished by colliding with the object to be polished, the processing container is provided so that its central axis is horizontal, and the magnet is placed near the outer periphery of the processing container. A polishing machine characterized in that the polishing machines are arranged opposite to each other with the central axis of the container interposed therebetween.
(2)前記処理容器の軸線上に中空部を形成すると共に
、該中空部に前記磁石と共に回転する別の磁石を配置す
るようにしたことを特徴とする請求項(1)記載の研磨
機。
(2) The polishing machine according to claim 1, wherein a hollow portion is formed on the axis of the processing container, and another magnet that rotates together with the magnet is arranged in the hollow portion.
JP14522590A 1990-06-01 1990-06-01 Polishing machine Pending JPH0441172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14522590A JPH0441172A (en) 1990-06-01 1990-06-01 Polishing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14522590A JPH0441172A (en) 1990-06-01 1990-06-01 Polishing machine

Publications (1)

Publication Number Publication Date
JPH0441172A true JPH0441172A (en) 1992-02-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP14522590A Pending JPH0441172A (en) 1990-06-01 1990-06-01 Polishing machine

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0574755U (en) * 1992-03-25 1993-10-12 株式会社オハラ Magnetic polishing machine
JPH05285821A (en) * 1992-04-07 1993-11-02 Puraioritei:Kk Polishing machine by magnetic force
EP0914903A2 (en) * 1997-11-06 1999-05-12 Juan Gaig Renter Machine for finishing non magnetic workpieces
ES2155311A1 (en) * 1997-11-06 2001-05-01 Renter Juan Gaig Polishing and cleaning machine for nonmagnetic workpieces - comprises electric motor on chassis coupled to reducer, cylinder, on chassis, having magnets on lateral surface contains tank rotated by reducer and threaded column having support for arms suspending chains
JP2008238360A (en) * 2007-03-28 2008-10-09 Univ Of Yamanashi Magnetic barrel polishing machine by three-dimensional magnet array

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327193A (en) * 1976-08-26 1978-03-14 Inoue Japax Res Inc Abrasive process
JPS57501832A (en) * 1980-11-28 1982-10-14
JPS6138862A (en) * 1984-07-28 1986-02-24 Fuji Electric Co Ltd Electromagnetic surface treating apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327193A (en) * 1976-08-26 1978-03-14 Inoue Japax Res Inc Abrasive process
JPS57501832A (en) * 1980-11-28 1982-10-14
JPS6138862A (en) * 1984-07-28 1986-02-24 Fuji Electric Co Ltd Electromagnetic surface treating apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0574755U (en) * 1992-03-25 1993-10-12 株式会社オハラ Magnetic polishing machine
JPH05285821A (en) * 1992-04-07 1993-11-02 Puraioritei:Kk Polishing machine by magnetic force
EP0914903A2 (en) * 1997-11-06 1999-05-12 Juan Gaig Renter Machine for finishing non magnetic workpieces
ES2155311A1 (en) * 1997-11-06 2001-05-01 Renter Juan Gaig Polishing and cleaning machine for nonmagnetic workpieces - comprises electric motor on chassis coupled to reducer, cylinder, on chassis, having magnets on lateral surface contains tank rotated by reducer and threaded column having support for arms suspending chains
EP0914903A3 (en) * 1997-11-06 2002-06-19 Juan Gaig Renter Machine for finishing non magnetic workpieces
JP2008238360A (en) * 2007-03-28 2008-10-09 Univ Of Yamanashi Magnetic barrel polishing machine by three-dimensional magnet array

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