JPS58177210U - Cutting tools for drilling or boring - Google Patents
Cutting tools for drilling or boringInfo
- Publication number
- JPS58177210U JPS58177210U JP7441682U JP7441682U JPS58177210U JP S58177210 U JPS58177210 U JP S58177210U JP 7441682 U JP7441682 U JP 7441682U JP 7441682 U JP7441682 U JP 7441682U JP S58177210 U JPS58177210 U JP S58177210U
- Authority
- JP
- Japan
- Prior art keywords
- boring
- drilling
- cutting tool
- cutting tools
- notch
- 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
Links
Landscapes
- Drilling Tools (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のドリルの正面図、第２図は第１図の■方
向矢視図、第３図は従来のリーマの正面図、第４図は第
３図の■方向矢視図、第５図は従。
来の切削工具の先端部の摩耗状態を示す図、第６図は従
来の切削工具の外径摩耗量と外径摩耗長さの関係を余す
図、第７図は本考案に係る切削工具の一実施例の正面図
、第８図は第７図の■方向矢視図、第９図は第７図の切
り欠き部の拡大図、第１０図は実施例に係る切削工具の
先端部の摩耗状態を示す図、第１１図は実施例に係る切
削工具の先端部の外径摩耗量と外径摩耗長さとの関係を
示す図である。
１０・・・・・・ドリル、１２． ２２−−−−−−ラ
ンｉ゛、１６゜２６・・・・・・マージン部、２，０．
３０・・・・・・リーマ、３２．３４．３６・・・・・
・切り欠き、３Ｂ、４０゜４２・・・・・・面、４４・
・・・・・傾斜面。Fig. 1 is a front view of a conventional drill, Fig. 2 is a view taken in the ■ direction of Fig. 1, Fig. 3 is a front view of a conventional reamer, Fig. 4 is a view taken in the - direction arrow of Fig. 3, Figure 5 follows. Figure 6 is a diagram showing the wear state of the tip of a conventional cutting tool, Figure 6 is a diagram showing the relationship between the outer diameter wear amount and outer diameter wear length of the conventional cutting tool, and Figure 7 is a diagram showing the relationship between the outer diameter wear amount and the outer diameter wear length of the conventional cutting tool. FIG. 8 is a front view of one embodiment, FIG. 8 is a view taken in the direction of the ■ arrow in FIG. 7, FIG. 9 is an enlarged view of the notch in FIG. 7, and FIG. FIG. 11, which is a diagram showing the state of wear, is a diagram showing the relationship between the amount of wear on the outer diameter and the length of wear on the outer diameter of the tip of the cutting tool according to the example. 10...Drill, 12. 22------Run i゛, 16゜26...Margin part, 2,0.
30...Reamer, 32.34.36...
・Notch, 3B, 40° 42... surface, 44・
・・・・Slope surface.
Claims (1)
ドが形成されている穴あけまたは穴ぐり用切削工具に於
いて、前記切削工具の少なくとも１以上の同一円周上に
於いて前記刃の部分に切り欠きを設け、この切り欠きの
シャンク側の面が前記切削工具の先端部傾斜面とほぼ同
一の角度をもって傾斜していることを特徴とする穴あけ
または穴ぐり用切削工具。In a cutting tool for drilling or boring, in which a plurality of lands having blades are formed on a bar-shaped circumferential surface portion having a substantially uniform thickness, at least one land on the same circumference of the cutting tool has the above-mentioned A cutting tool for drilling or boring, characterized in that a notch is provided in the blade portion, and a surface of the notch on the shank side is inclined at approximately the same angle as the inclined surface of the tip of the cutting tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7441682U JPS58177210U (en) | 1982-05-21 | 1982-05-21 | Cutting tools for drilling or boring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7441682U JPS58177210U (en) | 1982-05-21 | 1982-05-21 | Cutting tools for drilling or boring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58177210U true JPS58177210U (en) | 1983-11-26 |
Family
ID=30083847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7441682U Pending JPS58177210U (en) | 1982-05-21 | 1982-05-21 | Cutting tools for drilling or boring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58177210U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557671B2 (en) * | 1974-03-28 | 1980-02-27 |
-
1982
- 1982-05-21 JP JP7441682U patent/JPS58177210U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557671B2 (en) * | 1974-03-28 | 1980-02-27 |
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