JPS6313606U - - Google Patents
Info
- Publication number
- JPS6313606U JPS6313606U JP10588786U JP10588786U JPS6313606U JP S6313606 U JPS6313606 U JP S6313606U JP 10588786 U JP10588786 U JP 10588786U JP 10588786 U JP10588786 U JP 10588786U JP S6313606 U JPS6313606 U JP S6313606U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- chamfer
- margin portion
- tip
- ultra
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図ないし第７図は、この考案の実施例を示
す図であり、第１図は、第一実施例のドリルの要
部の側面図、第２図は、第１図におけるドリルの
先端視図、第３図は、第二実施例のドリルの要部
の側面図、第４図は、第３図におけるドリルの先
端視図、第５図は、第三実施例のドリルの先端視
図、第６図は、第四実施例のガンドリルの要部の
側面図、第７図は、第６図におけるガンドリルの
先端視図、第８図は、従来のドリルの要部を示す
側面図、第９図は、第８図におけるドリルの先端
視図である。
５，３１……切刃、６，３２……マージン部、
７，３４……二番取り面、２０，４０……超高圧
焼結体からなるチツプ。
1 to 7 are diagrams showing an embodiment of this invention. FIG. 1 is a side view of the main parts of the drill of the first embodiment, and FIG. 2 is a tip of the drill in FIG. 1. 3 is a side view of the main parts of the drill of the second embodiment, FIG. 4 is a view of the tip of the drill in FIG. 3, and FIG. 5 is a view of the tip of the drill of the third embodiment. Fig. 6 is a side view of the main parts of the gun drill of the fourth embodiment, Fig. 7 is a view of the tip of the gun drill in Fig. 6, and Fig. 8 is a side view showing the main parts of the conventional drill. , FIG. 9 is a view of the tip of the drill in FIG. 8. 5, 31... Cutting blade, 6, 32... Margin part,
7, 34... second chamfered surface, 20, 40... chip made of ultra-high pressure sintered body.
Claims (1)
部と、二番取り面とが形成されたドリルにおいて
、上記二番取り面に超高圧焼結体からなるチツプ
を、その外側を向く面が上記マージン部の回転に
よつて形成される円にほぼ接するように取り付け
たことを特徴とするドリル。 In a drill having two cutting edges at the tip and a margin portion and a second chamfer formed on the outer periphery, a chip made of an ultra-high pressure sintered body is placed on the second chamfer, and the outside thereof is A drill characterized in that the drill is mounted so that the facing surface is substantially in contact with a circle formed by the rotation of the margin portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10588786U JPS6313606U (en) | 1986-07-10 | 1986-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10588786U JPS6313606U (en) | 1986-07-10 | 1986-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6313606U true JPS6313606U (en) | 1988-01-29 |
Family
ID=30980740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10588786U Pending JPS6313606U (en) | 1986-07-10 | 1986-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6313606U (en) |
-
1986
- 1986-07-10 JP JP10588786U patent/JPS6313606U/ja active Pending
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