JPS6442814U - - Google Patents
Info
- Publication number
- JPS6442814U JPS6442814U JP13534887U JP13534887U JPS6442814U JP S6442814 U JPS6442814 U JP S6442814U JP 13534887 U JP13534887 U JP 13534887U JP 13534887 U JP13534887 U JP 13534887U JP S6442814 U JPS6442814 U JP S6442814U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- throw
- anvil
- protrusion
- away
- 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は本考案に係る特殊ドリルの正面図、第
２図はその一部省略下面図、第３図はアンビルの
正面図、第４図はスローアウエイチツプの正面図
で、第５図はスローアウエイチツプの変形例を示
す正面図である。
１……工具本体、２……先端シヤンク部、３…
…スリワリ溝、４……突起部、５……アンビル、
６……アンビル止めねじ、８……スローアウエイ
チツプ、９……締付けボルト、θ……先端角。
Figure 1 is a front view of the special drill according to the present invention, Figure 2 is a partially omitted bottom view, Figure 3 is a front view of the anvil, Figure 4 is a front view of the throw-away tip, and Figure 5 is a front view of the throw-away tip. FIG. 7 is a front view showing a modification of the throw-away tip. 1... Tool body, 2... Tip shank part, 3...
...slit groove, 4...protrusion, 5...anvil,
6... Anvil set screw, 8... Throwaway tip, 9... Tightening bolt, θ... Tip angle.
Claims (1)
スローアウエイチツプと、該チツプの位置決めを
行なうためのアンビルとを有するスローアウエイ
式特殊ドリルであつて、前記シヤンク部先端の半
径方向中心には、軸方向に伸びるスリワリ溝があ
り、該溝の溝底には突起部が形成され、 前記スローアウエイチツプは、板状で中心穴を
基準に対称の位置に先端角を備えた切刃部を偶数
個有しており、 又前記アンビルは、板状で、一端は前記チツプ
の先端角に適合するＶ字状側面で、他端側面は前
記シヤンク部スリワリ溝底の突起に嵌合する凹部
を有し、該凹部をシヤンク部の前記突起に嵌合し
た状態で、シヤンク部に固着されており、 そして、前記チツプを前記スリワリ溝内の前記
アンビルのＶ字状側面に拘束させ、該チツプの中
心穴に該当する前記シヤンク部上下方向に螺装し
た締付ボルトによつて該チツプを着脱可能に挟持
してなることを特徴とするスローアウエイ式特殊
ドリル。[Claims for Utility Model Registration] A throw-away special drill having a throw-away tip having a cutting edge in a tip shank portion of a tool body, and an anvil for positioning the tip, the shank portion There is a slotted groove extending in the axial direction at the radial center of the tip, and a protrusion is formed at the bottom of the groove, and the throwaway tip is plate-shaped and has tip angles at symmetrical positions with respect to the center hole. The anvil has an even number of cutting edges with It has a recess that fits into the protrusion, and is fixed to the shank part with the recess fitted to the protrusion of the shank part, and the tip is inserted into the V-shaped side surface of the anvil in the slit groove. 1. A throw-away type special drill characterized in that the tip is removably clamped by a tightening bolt threaded in the vertical direction of the shank portion corresponding to the center hole of the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13534887U JPS6442814U (en) | 1987-09-04 | 1987-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13534887U JPS6442814U (en) | 1987-09-04 | 1987-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442814U true JPS6442814U (en) | 1989-03-14 |
Family
ID=31394891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13534887U Pending JPS6442814U (en) | 1987-09-04 | 1987-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442814U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5252293A (en) * | 1975-07-14 | 1977-04-26 | Amtel Inc | Flattdrilling tool |
-
1987
- 1987-09-04 JP JP13534887U patent/JPS6442814U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5252293A (en) * | 1975-07-14 | 1977-04-26 | Amtel Inc | Flattdrilling tool |
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