JPH0344449Y2 - - Google Patents
Info
- Publication number
- JPH0344449Y2 JPH0344449Y2 JP1986058297U JP5829786U JPH0344449Y2 JP H0344449 Y2 JPH0344449 Y2 JP H0344449Y2 JP 1986058297 U JP1986058297 U JP 1986058297U JP 5829786 U JP5829786 U JP 5829786U JP H0344449 Y2 JPH0344449 Y2 JP H0344449Y2
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- small
- diameter grindstone
- grindstone
- grindstone portion
- 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
- 239000006061 abrasive grain Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
【考案の詳細な説明】
〔考案の目的〕
（産業上の利用分野）
本考案は、２段の外径に特徴を有する砥粒リー
マに関するものである。[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) The present invention relates to an abrasive reamer characterized by a two-stage outer diameter.
（従来の技術）
従来、特公昭53−27518号公報に示されるよう
に、テーパー軸と、このテーパー軸に着脱自在に
嵌合され外周面に砥粒を電気鍍金法により附着さ
れかつ軸方向にわたつて割溝を形成されるととも
に外周面に軸方向に間隔をおいて複数の環状凹溝
を形成された砥石体とよりなる砥粒リーマがあ
る。(Prior Art) Conventionally, as shown in Japanese Patent Publication No. 53-27518, a tapered shaft is removably fitted to the tapered shaft, abrasive grains are attached to the outer peripheral surface by electroplating, and the abrasive grains are applied in the axial direction. There is an abrasive reamer that includes a grinding wheel body having split grooves formed across it and a plurality of annular grooves spaced apart in the axial direction on the outer peripheral surface.
（考案が解決しようとする問題点）
しかし、この従来の砥粒リーマは、その外径が
一度調節されるとその径で加工が行われ、研削量
（取代）が一定となる。したがつて研削量の多い
加工に当たつては、何段階かに外径を変えた砥粒
リーマを用意するか、または砥粒リーマ径を再調
整して加工しなければならない。(Problems to be Solved by the Invention) However, with this conventional abrasive reamer, once the outer diameter is adjusted, processing is performed at that diameter, and the amount of grinding (removal) remains constant. Therefore, when performing machining that requires a large amount of grinding, it is necessary to prepare an abrasive reamer whose outer diameter is changed in several stages, or to readjust the abrasive reamer diameter.
本考案の目的は、一回の加工で独立に径調整さ
れた２段の研削が可能の砥粒リーマを提供するこ
とにある。 An object of the present invention is to provide an abrasive reamer that can perform two stages of independently diameter-adjusted grinding in a single process.
（問題点を解決するための手段）
本考案は、テーパー軸１１と、このテーパー軸
１１に着脱自在に嵌合され外周面に砥粒が附着さ
れかつ軸方向に割溝３１が形成された砥石体２１
とよりなる砥粒リーマにおいて、前記砥石体２１
は、先端側に設けられ相対的に外径の小さな小径
砥石部２１ａと、後方側に設けられ前記小径砥石
部２１ａより僅かに寸法大の外径を有する大径砥
石部２１ｂとによつて２段に形成され、前記小径
砥石部２１ａと大径砥石部２１ｂとに相互に反対
側から別個のテーパー軸１１ａ，１１ｂがそれぞ
れ圧入されたものである。
(Means for Solving the Problems) The present invention includes a tapered shaft 11 and a grinding wheel that is removably fitted to the tapered shaft 11, has abrasive grains attached to its outer peripheral surface, and has grooves 31 formed in the axial direction. body 21
In an abrasive reamer consisting of
2 by a small-diameter grindstone portion 21a provided on the tip side and having a relatively small outer diameter, and a large-diameter grindstone portion 21b provided on the rear side and having an outer diameter slightly larger than the small-diameter grindstone portion 21a. Separate tapered shafts 11a and 11b are press-fitted into the small-diameter grindstone portion 21a and the large-diameter grindstone portion 21b from opposite sides, respectively.
（作用）
本考案は、一方のテーパー軸１１ａの圧入具合
にて決定される外径を有する小径砥石部２１ａに
よつて穴の内面加工が行われた後に、リーマ全体
が軸方向に移動されて大径砥石部２１ｂが前記穴
に挿入され、他方のテーパー軸１１ｂの圧入具合
にて決定される外径を有するこの大径砥石部２１
ｂによつて穴の内面仕上げがなされる。(Function) In the present invention, the entire reamer is moved in the axial direction after the inner surface of the hole is processed by the small-diameter grindstone portion 21a, which has an outer diameter determined by the degree of press-fitting of one tapered shaft 11a. A large-diameter grindstone portion 21b is inserted into the hole, and has an outer diameter determined by the degree of press-fitting of the other tapered shaft 11b.
The inner surface of the hole is finished by b.
（実施例）
以下、本考案を第１図乃至第３図に示される実
施例を参照して詳細に説明する。(Example) Hereinafter, the present invention will be explained in detail with reference to the example shown in FIGS. 1 to 3.
角頭部１３を有する柄部１４が一体形成された
テーパー軸に砥石体２１が着脱自在に嵌合されて
いる。この砥石体２１は、先端側に設けられた相
対的に外径の小さな小径砥石部２１ａと、後方側
に設けられ前記小径砥石部２１ａより僅かに寸法
大の外径を有する大径砥石部２１ｂとによつて２
段に形成されている。この各砥石部２１ａ，２１
ｂの外周面には主としてダイヤモンド砥粒などの
硬質砥粒が電気鍍金法により附着されている。 A grindstone body 21 is removably fitted to a tapered shaft on which a handle 14 having a square head 13 is integrally formed. This grindstone body 21 includes a small-diameter grindstone portion 21a provided on the tip side and having a relatively small outer diameter, and a large-diameter grindstone portion 21b provided on the rear side and having an outer diameter slightly larger than the small-diameter grindstone portion 21a. 2
It is formed in steps. These grindstone parts 21a, 21
Hard abrasive grains such as diamond abrasive grains are mainly attached to the outer peripheral surface of b by electroplating.
そして前記大径砥石部２１ｂにはテーパー軸１
１ｂが着脱自在に圧入され、また前記小径砥石部
２１ａにはテーパー軸１１ａが前記テーパー軸１
１ｂとは反対側から着脱自在に圧入されている。 The large-diameter grindstone portion 21b has a tapered shaft 1.
1b is removably press-fitted into the small-diameter grindstone portion 21a, and a tapered shaft 11a is attached to the small-diameter grindstone portion 21a.
It is removably press-fitted from the side opposite to 1b.
さらに前記砥石体２１には、前記小径砥石部２
１ａに対応する割溝３１ａと、前記大径砥石部２
１ｂに対応する割溝３１ｂとがそれぞれ軸方向に
かつ交互に90゜毎に形成されている。 Further, the grindstone body 21 includes the small diameter grindstone portion 2.
1a and the large-diameter grindstone portion 2.
The grooves 31b corresponding to the grooves 1b are formed alternately every 90 degrees in the axial direction.
そうして、前記テーパー軸１１ａの圧入具合に
よつて前記小径砥石部２１ａの外径寸法が決り、
また前記テーパー軸１１ｂの圧入具合によつて大
径砥石部２１ｂの外径寸法が別個に決まる。 Then, the outer diameter of the small-diameter grindstone portion 21a is determined by the degree of press-fitting of the tapered shaft 11a,
Further, the outer diameter dimension of the large-diameter grindstone portion 21b is determined separately depending on the degree of press-fitting of the tapered shaft 11b.
このリーマの使用方法としては、被加工素材に
穿設された下穴をリーマ加工するにあたつて研削
量（取代）が多い場合は、まず前記小径砥石部２
１ａによつて前記穴の内面加工を行い、次にこの
リーマを軸方向に移動することによつて前記大径
砥石部２１ｂを前記穴に挿入し、この大径砥石部
２１ｂによつて穴の内面仕上げを行う。 To use this reamer, if the amount of grinding (machining allowance) is large when reaming a pilot hole drilled in the workpiece material, first use the small-diameter grindstone section 2.
1a to machine the inner surface of the hole, and then move the reamer in the axial direction to insert the large-diameter grindstone portion 21b into the hole. Perform internal finishing.
本考案によれば、先端側に設けられ相対的に外
径の小さな小径砥石部と、後方側に設けられ前記
小径砥石部より僅かに寸法大の外径を有する大径
砥石部とによつて、砥石体が２段に形成され、こ
れらの小径砥石部と大径砥石部とに相互に反対側
から別個のテーパー軸がそれぞれ圧入されたか
ら、一回の加工で独立に径調整された２段のリー
マ加工を行うことができ、従来のように作業を中
断してリーマを交換したりテーパー軸を圧入し直
す必要がないことから、工程を短縮でき、径の再
調整を省略でき、したがつて加工能率の向上、加
工コストの削減に大きく役立つ。特に、小径砥石
部の外径と大径砥石部の外径とを別個のテーパー
軸により別々に決定できるから、各砥石体の外径
を自由に最適径に調整でき、１本のリーマで様々
な小径と大径との組合せに対応できる。
According to the present invention, a small-diameter grindstone portion provided on the tip side and having a relatively small outer diameter, and a large-diameter grindstone portion provided on the rear side and having an outer diameter slightly larger than the small-diameter grindstone portion. , the grindstone body is formed in two stages, and separate tapered shafts are press-fitted into the small-diameter grindstone part and the large-diameter grindstone part from opposite sides, respectively, so the diameters of the two stages can be adjusted independently in one machining process. It is possible to perform reaming of This greatly helps improve machining efficiency and reduce machining costs. In particular, since the outer diameter of the small-diameter grindstone part and the outer diameter of the large-diameter grindstone part can be determined separately using separate taper shafts, the outer diameter of each grindstone body can be freely adjusted to the optimum diameter, and a variety of Can accommodate combinations of small and large diameters.
第１図は本考案の砥粒リーマの一実施例を示す
斜視図、第２図はその大径砥石部を切欠いた断面
図、第３図はその小径砥石部を切欠いた断面図で
ある。
１１ａ，１１ｂ……テーパー軸、２１……砥石
体、２１ａ……小径砥石部、２１ｂ……大径砥石
部、３１ａ，３１ｂ……割溝。
FIG. 1 is a perspective view showing an embodiment of the abrasive reamer of the present invention, FIG. 2 is a cross-sectional view of the large-diameter grindstone portion thereof, and FIG. 3 is a cross-sectional view of the small-diameter grindstone portion thereof. 11a, 11b... Taper shaft, 21... Grindstone body, 21a... Small diameter grindstone portion, 21b... Large diameter grindstone portion, 31a, 31b... Division groove.
Claims (1)
合され外周面に砥粒が附着されかつ軸方向に割溝
が形成された砥石体とよりなる砥粒リーマにおい
て、前記砥石体は、先端側に設けられ相対的に外
径の小さな小径砥石部と、後方側に設けられ前記
小径砥石部より僅かに寸法大の外径を有する大径
砥石部とによつて２段に形成され、前記小径砥石
部と大径砥石部とに相互に反対側から別個のテー
パー軸がそれぞれ圧入されたことを特徴とする砥
粒リーマ。 In an abrasive reamer comprising a tapered shaft and a grinding wheel body which is removably fitted to the tapered shaft, has abrasive grains attached to its outer circumferential surface, and has grooves formed in the axial direction, the grinding wheel body has a groove on the tip side. The small-diameter grindstone is formed in two stages by a small-diameter grindstone section provided on the rear side and has a relatively small outer diameter, and a large-diameter grindstone section provided on the rear side and has an outer diameter slightly larger than the small-diameter grindstone section. An abrasive reamer characterized in that separate tapered shafts are press-fitted into the large-diameter grindstone part and the large-diameter grindstone part from mutually opposite sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058297U JPH0344449Y2 (en) | 1986-04-18 | 1986-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058297U JPH0344449Y2 (en) | 1986-04-18 | 1986-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62172556U JPS62172556U (en) | 1987-11-02 |
| JPH0344449Y2 true JPH0344449Y2 (en) | 1991-09-18 |
Family
ID=30888748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986058297U Expired JPH0344449Y2 (en) | 1986-04-18 | 1986-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344449Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5210250B2 (en) * | 2009-06-24 | 2013-06-12 | ジヤトコ株式会社 | Deburring device |
| JP5709626B2 (en) * | 2011-04-14 | 2015-04-30 | 倉敷機械株式会社 | Drilling tool |
| WO2013114527A1 (en) * | 2012-01-30 | 2013-08-08 | 株式会社 ダイニチ | Honing tool |
| JP6446862B2 (en) * | 2014-06-30 | 2019-01-09 | アイシン・エィ・ダブリュ株式会社 | Drilling tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126092U (en) * | 1977-03-16 | 1978-10-06 |
-
1986
- 1986-04-18 JP JP1986058297U patent/JPH0344449Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62172556U (en) | 1987-11-02 |
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