JP2854415B2 - Polishing method for inner hole of tubular object - Google Patents
Polishing method for inner hole of tubular objectInfo
- Publication number
- JP2854415B2 JP2854415B2 JP34085590A JP34085590A JP2854415B2 JP 2854415 B2 JP2854415 B2 JP 2854415B2 JP 34085590 A JP34085590 A JP 34085590A JP 34085590 A JP34085590 A JP 34085590A JP 2854415 B2 JP2854415 B2 JP 2854415B2
- Authority
- JP
- Japan
- Prior art keywords
- polishing
- inner hole
- tubular object
- tubular
- rod
- 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 - Lifetime
Links
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (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、ガラス管やセラミック管の内孔の研磨方法
に関するものである。Description: TECHNICAL FIELD The present invention relates to a method for polishing an inner hole of a glass tube or a ceramic tube.
［従来の技術］ 近年、ガラスやセラミックスからなる管状物が光通
信、電子部品等の各種の分野で使用されている。[Prior Art] In recent years, tubular articles made of glass or ceramics have been used in various fields such as optical communication and electronic components.
ところでこのような分野で使用される管状物には、高
い精度を有していることが要求され、特に内孔に対して
その要求が強いことから、内孔を研削することによって
形成した後、仕上げ研磨することによってその精度を高
めることが試みられている。By the way, the tubular material used in such a field is required to have high accuracy, especially since the demand for the inner hole is strong, after forming by grinding the inner hole, Attempts have been made to increase the precision by finish polishing.
従来より、管状物の内孔を研磨する場合、ドリルの表
面に研磨用皮革やバフを被覆してなる研磨工具を管状物
の内孔に挿入し、内孔に研磨液を供給しながらドリルを
回転させる方法が採られている。Conventionally, when polishing an inner hole of a tubular object, a polishing tool having a surface of a drill covered with polishing leather or a buff is inserted into the inner hole of the tubular object, and the drill is supplied while supplying a polishing liquid to the inner hole. The method of rotating is adopted.
［発明が解決しようとする問題点］ しかしながら従来の方法の場合、研磨用皮革やバフの
研磨能力が低いため、研磨時間が長くなると共に、その
内孔面が鏡面に近くなってくると発熱を伴い、しばしば
材料破壊を起こすという問題があった。[Problems to be Solved by the Invention] However, in the case of the conventional method, since the polishing ability of the polishing leather or the buff is low, the polishing time is prolonged, and heat is generated when the inner hole surface becomes close to the mirror surface. Accordingly, there has been a problem that the material is often destroyed.
さらに内孔の一方からドリルを挿入して回転させる
と、ドリルが振れたり、捻じれたりするために管状物の
内孔が真円状になり難く、高い精度が得られなくなる。Further, when the drill is inserted from one of the inner holes and rotated, the inner hole of the tubular article is less likely to become a perfect circle due to the swing or twisting of the drill, and high accuracy cannot be obtained.
本発明の目的は、短時間で、内孔に発熱を伴うことな
く、さらに高い精度で研磨することが可能と管状物の内
孔の研磨方法に関するものである。An object of the present invention relates to a method for polishing an inner hole of a tubular object, which can polish the inner hole with higher accuracy in a short time without generating heat in the inner hole.
［問題点を解決するための手段］ 本発明の管状物の内孔の研磨方法は、砥粒を有する細
長の樹脂体の多数本と、複数の金属線とを一緒に捻じる
ことによって作製された研磨部の両端に棒状物が取り付
けられてなる研磨工具を準備し、該研磨工具を管状物の
内孔の一方から挿入し、他方から取り出して、該内孔に
該研磨部が当接するように位置させた後、研磨液を該内
孔に供給しながら、該棒状物を互いに引っ張り合った状
態で回転させることによって該内孔を該研磨部によって
研磨することを特徴とする。[Means for Solving the Problems] The method for polishing the inner hole of a tubular article according to the present invention is manufactured by twisting together a number of elongated resin bodies having abrasive grains and a plurality of metal wires. A polishing tool having rod-shaped objects attached to both ends of the polished portion is prepared, the polishing tool is inserted from one of the inner holes of the tubular object, taken out from the other, and the polishing portion is brought into contact with the inner hole. Then, while the polishing liquid is supplied to the inner hole, the rod is rotated in a state where the rods are pulled against each other, whereby the inner hole is polished by the polishing portion.
本発明においては、一方の棒状物を管状物の内孔の一
方から挿入し、他方から取り出した後、管状物を移動可
能な固定具に固定し、前記棒状物の一端をチャック部を
有する駆動部に固定すると共に、他方の棒状物の一端
を、スライドベースに取り付けられ、駆動部と同期で回
転可能なチャックに固定し、次いで前記スライドベース
を移動させることによって、２本の棒状物を互いに引っ
張り合った状態にしてから回転させながら前記管状物を
その軸方向に対して前後に移動させる。In the present invention, one of the rods is inserted from one of the inner holes of the tubular object, taken out from the other, and then the tubular object is fixed to a movable fixture, and one end of the rod is driven by a drive having a chuck portion. And one end of the other bar is fixed to a chuck attached to a slide base and rotatable in synchronization with a driving unit, and then the slide base is moved so that the two rods are moved together. The tubular object is moved back and forth with respect to its axial direction while being rotated after being pulled.
本発明の研磨工具のの研磨部は、例えば、アルミナ粉
末等の砥粒とナイロン等の樹脂とが一体成型された細長
の樹脂体の多数本と複数の金属線とを一緒に捻じること
によって作製したものを使用する。The polishing portion of the polishing tool of the present invention is, for example, by twisting together a number of elongated resin bodies and a plurality of metal wires formed integrally with abrasive particles such as alumina powder and a resin such as nylon. Use the prepared one.
本発明の棒状物は、管状物の内孔よりも小さい外径を
有し、ステンレス等の金属からなるものが適当であり、
その軸方向に内孔が形成されたものを用い、その内孔に
研磨部の一端を差し込み、銀ロウ付けすることによって
強固に接続することが可能となる。また棒状物の表面を
樹脂で被覆すると、研磨した後、研磨工具を管状物から
取り出す際に、内孔の研磨仕上げ面を傷付けるのを防止
できるために好ましい。The rod-shaped article of the present invention has an outer diameter smaller than the inner hole of the tubular article, and is suitably made of a metal such as stainless steel.
By using one in which an inner hole is formed in the axial direction, one end of the polishing portion is inserted into the inner hole, and the connection can be made firmly by silver brazing. In addition, it is preferable to coat the surface of the rod-shaped material with a resin, since it is possible to prevent the polished surface of the inner hole from being damaged when the polishing tool is removed from the tubular material after polishing.
さらに研磨液としてCeO2等の遊離砥粒配合研磨液を用
いることによって、研磨部の樹脂体の摩耗を防ぐと共
に、仕上げ表面の精度を一層良くすることが可能であ
り、また樹脂体の砥粒の粒度を変化させることによっ
て、管状物の内孔の面精度を変化させることも可能であ
る。Furthermore, by using a polishing liquid containing free abrasive grains such as CeO 2 as the polishing liquid, it is possible to prevent the abrasion of the resin body of the polishing portion, and to further improve the accuracy of the finished surface, and it is also possible to improve the abrasive grain of the resin body. It is also possible to change the surface accuracy of the inner hole of the tubular article by changing the particle size of the tube.
［作用］ 本発明の方法によると、研磨部に砥粒を有する樹脂体
が存在するために、多くの研磨減量が得られ、研磨時間
の短縮化を計れると共に、管状物の内孔面が鏡面に近く
なっても発熱を伴うことが少ない。[Operation] According to the method of the present invention, since the resin body having abrasive grains is present in the polishing portion, a large amount of polishing loss can be obtained, the polishing time can be shortened, and the inner surface of the tubular article has a mirror surface. Even when the temperature is close to, heat generation is rare.
また２本の棒状物を互いに引っ張り合った状態にして
から回転するために、研磨工具が振れたり、捻じれたり
することがなく、高い精度の内孔が得られる。In addition, since the two rods are rotated after the two rods are pulled from each other, the polishing tool does not swing or twist, and a highly accurate inner hole can be obtained.
［実施例］ 以下、本発明の方法を実施例に基づいて説明する。[Examples] Hereinafter, the method of the present invention will be described based on examples.
図面、10は研磨部、10aは砥粒を有する細長の樹脂
体、10bは金属線、11、12は棒状物、13、14は銀ロウ、1
5、16は熱収縮性チューブ、17は管状物、17aは内孔を各
々示す。Drawing, 10 is a polishing section, 10a is an elongated resin body having abrasive grains, 10b is a metal wire, 11 and 12 are rods, 13 and 14 are silver brazing, 1
Reference numerals 5 and 16 denote heat-shrinkable tubes, 17 denotes a tubular object, and 17a denotes an inner hole.
研磨工具の研磨部10は、多数のアルミナ粉末砥粒とナ
イロン樹脂とを一体成型した細長の樹脂体10aの多数本
と、４本の金属線10bとを一緒に捻じることによって作
製されている。研磨部10の両端は、ステンレスからなる
棒状物11、12の内孔に差し込まれ、、銀ロウ13、14によ
って強固に接着され、棒状物11、12の表面には、熱収縮
性チューブ15、16が被覆されている。The polishing portion 10 of the polishing tool is manufactured by twisting together a large number of elongated resin bodies 10a formed by integrally molding a large number of alumina powder abrasive grains and nylon resin, and four metal wires 10b. . Both ends of the polishing part 10 are inserted into the inner holes of the rods 11 and 12 made of stainless steel, and are firmly adhered by silver brazes 13 and 14, and the surfaces of the rods 11 and 12 have heat-shrinkable tubes 15, 16 are coated.
上記の研磨工具を用いて管状物17の内孔17aを以下の
ように研磨した。The inner hole 17a of the tubular article 17 was polished as follows using the above polishing tool.
研磨工具の一方の棒状物11を管状物17の内孔17aの一
方から挿入し、他方から取り出した後、管状物17を約20
゜の角度で配置され、移動可能な固定具（図示せず）に
固定し、次いで棒状物11の一端を駆動部（図示せず）
に、また他方の棒状物12の一端を駆動部と同期回転する
チャック（図示せず）に固定した。さらにこの回転チェ
ックを取り付けているスライドベース（図示せず）を移
動させることによって２つの棒状物11、12を互いに引っ
張り合わせ、CeO2と水とを混合した研磨液（図示せず）
を管状物17の内孔17aの上方から供給しながら、駆動部
を動かすことによって研磨部10を1000rpmの速度で30分
間回転させながら管状物17をその軸方向に対して前後に
移動させることによって非常に高精度の内孔17aを形成
することができた。After inserting one rod-shaped object 11 of the polishing tool from one of the inner holes 17a of the tubular object 17 and removing it from the other, the tubular object 17
It is arranged at an angle of ゜ and fixed to a movable fixture (not shown), and then one end of the rod 11 is connected to a driving unit (not shown).
And one end of the other rod 12 is fixed to a chuck (not shown) which rotates synchronously with the drive unit. Further, by moving a slide base (not shown) to which the rotation check is attached, the two rods 11 and 12 are pulled toward each other, and a polishing liquid (not shown) in which CeO 2 and water are mixed.
While supplying the above from the inner hole 17a of the tubular article 17, by moving the drive unit by rotating the polishing unit 10 at a speed of 1000rpm for 30 minutes, by moving the tubular article 17 back and forth with respect to its axial direction A very high precision inner hole 17a could be formed.
［発明の効果］ 以上のように、本発明の方法によると、ガラスやセラ
ミックスからなる管状物の内孔を短時間で、発熱を伴う
ことなく、高い精度の研磨することが可能である。[Effects of the Invention] As described above, according to the method of the present invention, it is possible to polish the inner hole of a tubular object made of glass or ceramics in a short time without generating heat and with high accuracy.
図面は、本発明の管状物の内孔の研磨方法の説明図であ
る。 10……研磨部 10a……砥粒を有する細長の樹脂体 10b……金属線 11、12……棒状物 17……管状物The drawing is an explanatory view of the method for polishing the inner hole of the tubular article of the present invention. 10 Polishing part 10a Slender resin body having abrasive grains 10b Metal wire 11, 12 Rod-like material 17 Tubular material
Claims (1)
数の金属線とを一緒に捻じることによって作製された研
磨部の両端に棒状物が取り付けられてなる研磨工具を準
備し、該研磨工具を管状物の内孔の一方から挿入し、他
方から取り出して、該内孔に該研磨部が当接するように
位置させた後、研磨液を該内孔に供給しながら、該棒状
物を互いに引っ張り合った状態で回転させることによっ
て該内孔を該研磨部で研磨することを特徴とする管状物
の内孔の研磨方法。1. A polishing tool comprising a plurality of elongated resin bodies having abrasive grains and a plurality of metal wires, which is formed by twisting together a plurality of metal wires, is provided with a polishing tool having rods attached to both ends of a polishing section. The polishing tool is inserted from one of the inner holes of the tubular object, taken out from the other, and positioned so that the polishing portion comes into contact with the inner hole. Then, while supplying the polishing liquid to the inner hole, A polishing method for an inner hole of a tubular object, wherein the inner hole is polished by the polishing part by rotating the rod-shaped object while pulling each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34085590A JP2854415B2 (en) | 1990-11-30 | 1990-11-30 | Polishing method for inner hole of tubular object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34085590A JP2854415B2 (en) | 1990-11-30 | 1990-11-30 | Polishing method for inner hole of tubular object |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04210366A JPH04210366A (en) | 1992-07-31 |
| JP2854415B2 true JP2854415B2 (en) | 1999-02-03 |
Family
ID=18340933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34085590A Expired - Lifetime JP2854415B2 (en) | 1990-11-30 | 1990-11-30 | Polishing method for inner hole of tubular object |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2854415B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU459364B2 (en) * | 1971-02-22 | 1975-03-27 | Macfarlan Smith Limited | Process for production of dihydrocodeine |
-
1990
- 1990-11-30 JP JP34085590A patent/JP2854415B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04210366A (en) | 1992-07-31 |
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