JPH0253317U - - Google Patents
Info
- Publication number
- JPH0253317U JPH0253317U JP13324688U JP13324688U JPH0253317U JP H0253317 U JPH0253317 U JP H0253317U JP 13324688 U JP13324688 U JP 13324688U JP 13324688 U JP13324688 U JP 13324688U JP H0253317 U JPH0253317 U JP H0253317U
- Authority
- JP
- Japan
- Prior art keywords
- cutting blade
- tool body
- peripheral side
- blade chips
- tip
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Drilling Tools (AREA)
Description
第１図および第２図はこの考案のスローアウエ
イ式ドリルの一実施例を示す図であつて、第１図
は側面図、第２図は正面図である。第３図および
第４図は従来のスローアウエイ式ドリルを示す図
であつて、第３図は側面図、第４図は正面図であ
る。第５図は従来の他のスローアウエイ式ドリル
を示す側面図であり、第６図は同ドリルにより加
工した穴の形状を示す断面図である。
１……工具本体、２，３……外周側切刃チツプ
、４，５……内周側切刃チツプ。
1 and 2 are views showing an embodiment of the indexable drill of this invention, with FIG. 1 being a side view and FIG. 2 being a front view. 3 and 4 are views showing a conventional indexable drill, with FIG. 3 being a side view and FIG. 4 being a front view. FIG. 5 is a side view showing another conventional indexable drill, and FIG. 6 is a sectional view showing the shape of a hole drilled by the same drill. 1... Tool body, 2, 3... Outer cutting edge tip, 4, 5... Inner cutting edge tip.
Claims (1)
チツプを設け、さらにこれら切刃チツプよりも基
端部側でかつ内周側に１つまたは２つの内周側切
刃チツプを設け、かつ上記外周側切刃チツプを、
上記工具本体の軸線に対して点対称に配設したこ
とを特徴とするスローアウエイ式ドリル。 Two outer cutting blade chips are provided on the outer peripheral side of the tip of the tool body, and one or two inner cutting blade chips are provided on the proximal end side and inner peripheral side of these cutting blade chips, And the above outer cutting edge tip,
A throw-away drill characterized by being arranged point-symmetrically with respect to the axis of the tool body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13324688U JPH0253317U (en) | 1988-10-12 | 1988-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13324688U JPH0253317U (en) | 1988-10-12 | 1988-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0253317U true JPH0253317U (en) | 1990-04-17 |
Family
ID=31390931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13324688U Pending JPH0253317U (en) | 1988-10-12 | 1988-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0253317U (en) |
-
1988
- 1988-10-12 JP JP13324688U patent/JPH0253317U/ja active Pending