JP4714283B2 - 穴明け工具 - Google Patents
穴明け工具 Download PDFInfo
- Publication number
- JP4714283B2 JP4714283B2 JP2009102891A JP2009102891A JP4714283B2 JP 4714283 B2 JP4714283 B2 JP 4714283B2 JP 2009102891 A JP2009102891 A JP 2009102891A JP 2009102891 A JP2009102891 A JP 2009102891A JP 4714283 B2 JP4714283 B2 JP 4714283B2
- Authority
- JP
- Japan
- Prior art keywords
- tool
- tip
- diameter
- length
- chip discharge
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims description 12
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
2 ボデー部
3 シャンク部
4 切り屑排出溝
5 ランド部
6 クリアランス形成用段部
D 工具外径
Claims (1)
- 刃部を有するボデー部とシャンク部とを備え、前記刃部の外周に工具先端から基端側に向かう螺旋状の切り屑排出溝が一若しくは複数形成され、前記刃部の先端部を残して前記ボデー部の基端側を一段小径としたアンダーカットタイプの穴明け工具であって、前記切り屑排出溝とランド部との間に該ランド部より一段低いクリアランス形成用段部が前記刃部の先端から前記ボデー部の長さの72.7%以上80%未満の範囲で設けられており、工具外径が0.05mm以上1mm未満で且つ前記ボデー部の長さが工具外径の10倍以上であることを特徴とする穴明け工具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009102891A JP4714283B2 (ja) | 2009-04-21 | 2009-04-21 | 穴明け工具 |
TW98133724A TW201038346A (en) | 2009-04-21 | 2009-10-05 | Drilling tool |
CN200910205395A CN101869999A (zh) | 2009-04-21 | 2009-10-23 | 钻孔工具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009102891A JP4714283B2 (ja) | 2009-04-21 | 2009-04-21 | 穴明け工具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010253573A JP2010253573A (ja) | 2010-11-11 |
JP4714283B2 true JP4714283B2 (ja) | 2011-06-29 |
Family
ID=42995187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009102891A Active JP4714283B2 (ja) | 2009-04-21 | 2009-04-21 | 穴明け工具 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4714283B2 (ja) |
CN (1) | CN101869999A (ja) |
TW (1) | TW201038346A (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103071834B (zh) * | 2013-01-21 | 2015-05-20 | 深圳市金洲精工科技股份有限公司 | Pcb专用id型超大头钻及其制造方法 |
JP5474227B2 (ja) * | 2013-02-28 | 2014-04-16 | ユニオンツール株式会社 | 穴明け工具 |
CN104439432A (zh) * | 2014-11-27 | 2015-03-25 | 苏州阿诺精密切削技术股份有限公司 | J型棱边修正麻花钻头 |
CN107096946B (zh) * | 2017-03-20 | 2019-06-25 | 昆山沪利微电有限公司 | 避免板孔间电化学迁移的方法 |
CN107081461A (zh) * | 2017-06-08 | 2017-08-22 | 昆山伟吉电子有限公司 | 铣刀改槽刀的方法及uc槽刀 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006043875A (ja) * | 2004-07-09 | 2006-02-16 | Ibiden Co Ltd | ドリル |
-
2009
- 2009-04-21 JP JP2009102891A patent/JP4714283B2/ja active Active
- 2009-10-05 TW TW98133724A patent/TW201038346A/zh unknown
- 2009-10-23 CN CN200910205395A patent/CN101869999A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006043875A (ja) * | 2004-07-09 | 2006-02-16 | Ibiden Co Ltd | ドリル |
Also Published As
Publication number | Publication date |
---|---|
TW201038346A (en) | 2010-11-01 |
JP2010253573A (ja) | 2010-11-11 |
CN101869999A (zh) | 2010-10-27 |
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