JP3162901U - 片刃ドリルビット構造 - Google Patents
片刃ドリルビット構造 Download PDFInfo
- Publication number
- JP3162901U JP3162901U JP2010004138U JP2010004138U JP3162901U JP 3162901 U JP3162901 U JP 3162901U JP 2010004138 U JP2010004138 U JP 2010004138U JP 2010004138 U JP2010004138 U JP 2010004138U JP 3162901 U JP3162901 U JP 3162901U
- Authority
- JP
- Japan
- Prior art keywords
- cutting blade
- discharge groove
- chip discharge
- drill bit
- chip
- 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 - Lifetime
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- Drilling Tools (AREA)
Abstract
Description
前記目的を達成するため、本考案は切り刃部を備え、切り刃部の一端はシャンク部に接続され、切り刃部はシャンク部末端部静止点の遠端に切り刃が斜め向きに延設され、切り刃の一辺は二次研削方式によって切り刃部の表面に切り屑排出溝を研削形成し、切り屑排出溝は切り刃の一辺よりシャンク部に旋回研削してなる。
11 静止点
12 切り刃
13 切り屑排出溝
131 第1切り屑排出溝
132 第2切り屑排出溝
2 シャンク部
Claims (2)
- ドリルビットに切り刃部を備え、前記切り刃部の一端にシャンク部が接続され、前記切り刃部はシャンク部末端の遠端の静止点は斜め向きに切り刃が延設され、前記切り刃の一辺に切り屑排出溝を設けられ、前記切り屑排出溝は切り刃の一辺より前記シャンク部に向かって旋回研削してなり、
切り屑排出溝は第1切り屑排出溝と第2切り屑排出溝が並列に備え、かつ互いに連絡することを特徴とする片刃ドリルビット構造改良。 - 前記第1切り屑排出溝と前記第2切り屑排出溝は前記切り刃部の前記静止点において並列されている部分が重なり、前記シャンク部に向かって旋回し次第に拡大することを特徴とする請求項1記載の片刃ドリルビット構造改良。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010004138U JP3162901U (ja) | 2010-06-18 | 2010-06-18 | 片刃ドリルビット構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010004138U JP3162901U (ja) | 2010-06-18 | 2010-06-18 | 片刃ドリルビット構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP3162901U true JP3162901U (ja) | 2010-09-24 |
Family
ID=54865665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010004138U Expired - Lifetime JP3162901U (ja) | 2010-06-18 | 2010-06-18 | 片刃ドリルビット構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3162901U (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012110984A (ja) * | 2010-11-22 | 2012-06-14 | Union Tool Co | 穴明け工具 |
-
2010
- 2010-06-18 JP JP2010004138U patent/JP3162901U/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012110984A (ja) * | 2010-11-22 | 2012-06-14 | Union Tool Co | 穴明け工具 |
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