JP2010253573A - 穴明け工具 - Google Patents
穴明け工具 Download PDFInfo
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- JP2010253573A JP2010253573A JP2009102891A JP2009102891A JP2010253573A JP 2010253573 A JP2010253573 A JP 2010253573A JP 2009102891 A JP2009102891 A JP 2009102891A JP 2009102891 A JP2009102891 A JP 2009102891A JP 2010253573 A JP2010253573 A JP 2010253573A
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- JP
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- Prior art keywords
- blade
- drilling tool
- tip
- length
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- Granted
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- 238000005553 drilling Methods 0.000 title claims abstract description 24
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
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- Drilling Tools (AREA)
Abstract
【解決手段】刃部1を有するボデー部2とシャンク部3とを備え、前記刃部1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4が一若しくは複数形成され、前記刃部1の先端部を残して前記ボデー部2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4とランド部5との間に該ランド部5より一段低いクリアランス形成用段部6を前記刃部1の先端から前記ボデー部2の長さの40%以上の範囲で設ける。
【選択図】図2
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 (4)
- 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40%以上の範囲で設けられていることを特徴とする穴明け工具。
- 請求項1記載の穴明け工具において、前記クリアランス形成用段部は、前記刃部の先端から前記ボデー部の長さの95%未満の範囲で設けられていることを特徴とする穴明け工具。
- 請求項2記載の穴明け工具において、前記クリアランス形成用段部は、前記刃部の先端から前記ボデー部の長さの80%未満の範囲で設けられていることを特徴とする穴明け工具。
- 請求項1〜3いずれか1項に記載の穴明け工具において、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 true JP2010253573A (ja) | 2010-11-11 |
JP4714283B2 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) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103071834A (zh) * | 2013-01-21 | 2013-05-01 | 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 |
CN104014853A (zh) * | 2013-02-28 | 2014-09-03 | 佑能工具株式会社 | 钻孔工具 |
CN107096946A (zh) * | 2017-03-20 | 2017-08-29 | 昆山沪利微电有限公司 | 单排屑槽双切削刃钻头及避免板孔间电化学迁移的方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103071834A (zh) * | 2013-01-21 | 2013-05-01 | 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 |
CN104014853A (zh) * | 2013-02-28 | 2014-09-03 | 佑能工具株式会社 | 钻孔工具 |
CN107096946A (zh) * | 2017-03-20 | 2017-08-29 | 昆山沪利微电有限公司 | 单排屑槽双切削刃钻头及避免板孔间电化学迁移的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101869999A (zh) | 2010-10-27 |
TW201038346A (en) | 2010-11-01 |
JP4714283B2 (ja) | 2011-06-29 |
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