JP6964145B2 - T形工具およびt形工具の製作方法 - Google Patents
T形工具およびt形工具の製作方法 Download PDFInfo
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- JP6964145B2 JP6964145B2 JP2019559998A JP2019559998A JP6964145B2 JP 6964145 B2 JP6964145 B2 JP 6964145B2 JP 2019559998 A JP2019559998 A JP 2019559998A JP 2019559998 A JP2019559998 A JP 2019559998A JP 6964145 B2 JP6964145 B2 JP 6964145B2
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- JP
- Japan
- Prior art keywords
- shank
- tool body
- tapered
- male screw
- head
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
- B23B31/1179—Retention by friction only, e.g. using springs, resilient sleeves, tapers using heating and cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/11—Retention by threaded connection
- B23B31/1107—Retention by threaded connection for conical parts
- B23B31/1115—Retention by threaded connection for conical parts using conical threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1054—T slot cutters
- B23C5/1063—T slot cutters with permanently fixed cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/12—Cutters specially designed for producing particular profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2240/00—Details of connections of tools or workpieces
- B23B2240/28—Shrink-fitted connections, i.e. using heating and cooling to produce interference fits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/02—Connections between the shanks and detachable cutting heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/03—Cutting heads comprised of different material than the shank irrespective of whether the head is detachable from the shank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2240/00—Details of connections of tools or workpieces
- B23C2240/08—Brazed connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2240/00—Details of connections of tools or workpieces
- B23C2240/32—Connections using screw threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2265/00—Details of general geometric configurations
- B23C2265/08—Conical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Description
T形工具10は、工作機械の主軸または工具ホルダの先端部に装着されるシャンク20、該シャンク20の先端に結合されるヘッド30とを具備している。シャンク20は、例えば剛性の高い超硬合金製の概ね円柱形状の棒状部材から成り、先端部に雄ねじ24が形成されている。雄ねじ24はシャンク20の先端方向に直径が縮小するテーパねじとなっている。雄ねじ24は、例えば、ピッチ1〜2mm、ねじ山の高さ0.5〜2mm、テーパ率1/50〜1/20のテーパねじとすることができる。テーパねじの最大外径がシャンク20の直径とほぼ等しいことが望ましい。
20 シャンク
24 雄ねじ
30 ヘッド
36 上側インサート
38 下側インサート
50 雌ねじ
Claims (6)
- 切れ刃を有する工具本体と、円柱状のシャンクとを側面視においてT字形に締結したT形工具において、
前記シャンクは超硬合金より成り、先端方向に直径が細くなるテーパ雄ねじが先端部に形成されており、
前記工具本体は鋼材より成り、中央部に貫通する開口部が形成され、該開口部の内周面に前記テーパ雄ねじに係合するテーパ雌ねじが形成されており、
前記シャンクを前記工具本体の基端面に当接させることなく、前記テーパ雄ねじを前記テーパ雌ねじに螺合して前記シャンクを前記工具本体に締結したT形工具。 - 前記テーパ雄ねじの最大外径は、前記シャンクの外径とほぼ等しい請求項1に記載のT形工具。
- 切れ刃を有する工具本体と、円柱状のシャンクとを側面視においてT字形に締結したT形工具の製作方法において、
超硬合金より成るシャンクの先端部に先端方向に直径が細くなるテーパ雄ねじを形成し、
鋼材より成る工具本体の中央部に貫通する開口部を形成し、
前記開口部の内周面に前記テーパ雄ねじに係合するテーパ雌ねじを形成し、
前記シャンクを前記工具本体の基端面に当接させることなく、前記テーパ雄ねじを前記テーパ雌ねじに螺合して前記シャンクを前記工具本体に締結するT形工具の製作方法。 - 前記シャンクの先端面の外周部に少なくとも1つの凹所を形成し、前記シャンクと前記工具本体が締結した状態で前記工具本体の先端面の前記凹所付近を溶接し、前記凹所に溶けた金属が流れ込むことによって回り止めを形成する請求項3に記載のT形工具の製作方法。
- 前記テーパ雄ねじは、加工中に工具本体に作用する切削に基づく最大トルクよりも大きな締結トルクで前記テーパ雌ねじに締め込まれる請求項4に記載のT形工具の製作方法。
- 前記テーパ雄ねじは、前記工具本体を加熱して前記テーパ雌ねじの内径を拡径した状態で、前記テーパ雌ねじに締め込まれる請求項4に記載のT形工具の製作方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/046215 WO2019123652A1 (ja) | 2017-12-22 | 2017-12-22 | T形工具およびt形工具の製作方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019123652A1 JPWO2019123652A1 (ja) | 2020-10-22 |
JP6964145B2 true JP6964145B2 (ja) | 2021-11-10 |
Family
ID=66994051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019559998A Active JP6964145B2 (ja) | 2017-12-22 | 2017-12-22 | T形工具およびt形工具の製作方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11478864B2 (ja) |
EP (1) | EP3730241A4 (ja) |
JP (1) | JP6964145B2 (ja) |
CN (1) | CN111511492B (ja) |
CA (1) | CA3086284C (ja) |
WO (1) | WO2019123652A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100017561A1 (it) * | 2021-07-02 | 2023-01-02 | Cerin S P A | Utensile per la fresatura di manufatti metallici o materiali duri e metodo per la sua produzione |
IT202100029990A1 (it) * | 2021-11-26 | 2023-05-26 | Cerin S P A | “utensile per la fresatura di manufatti metallici o materiali duri e metodo per la sua produzione” |
EP4363144A1 (en) * | 2021-07-02 | 2024-05-08 | Cerin S.p.A. | Tool for milling metal artefacts or hard materials and method for the production thereof |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE509218C2 (sv) * | 1994-08-29 | 1998-12-21 | Sandvik Ab | Skaftverktyg |
JPH10203297A (ja) | 1997-01-20 | 1998-08-04 | Daicel Chem Ind Ltd | エアバッグ用ガス発生器及びエアバッグ装置 |
JP3196169B2 (ja) * | 1998-12-14 | 2001-08-06 | 株式会社日研工作所 | シャンク一体型エンドミル |
JP3697371B2 (ja) * | 1999-09-07 | 2005-09-21 | 株式会社日研工作所 | エンドミルチャッキング構造 |
IL136032A (en) | 2000-05-09 | 2003-12-10 | Iscar Ltd | Tool joint |
JP2003251515A (ja) * | 2002-02-28 | 2003-09-09 | Mitsubishi Materials Corp | 刃部交換式切削工具及びこれに装着される刃部 |
SE528251C2 (sv) * | 2004-09-24 | 2006-10-03 | Seco Tools Ab | Handel för verktyg samt verktyg med ett övergångsparti mellan ett gängat parti och ett stödjande parti |
SE528299C2 (sv) * | 2004-09-24 | 2006-10-17 | Seco Tools Ab | Skärspets och skärverktyg med hållardel utformad som stympad konisk gänga |
TWM294377U (en) * | 2006-02-16 | 2006-07-21 | Tian-Ran Wen | Improved milling cutter structure |
SE531746C2 (sv) * | 2007-07-03 | 2009-07-28 | Seco Tools Ab | I flera delar utformad verktygsenhet och skärverktyg |
IL207624A0 (en) * | 2010-08-16 | 2010-12-30 | Iscar Ltd | T-slot cutter |
JP5488374B2 (ja) * | 2010-09-29 | 2014-05-14 | 三菱マテリアル株式会社 | ヘッド交換式切削工具 |
JP5455089B2 (ja) * | 2012-09-03 | 2014-03-26 | 住友電工ハードメタル株式会社 | ヘッド着脱式切削工具 |
CN203209760U (zh) * | 2013-04-28 | 2013-09-25 | 重庆歇马机械曲轴有限公司 | 键槽t形铣刀结构 |
US9643264B2 (en) * | 2013-07-25 | 2017-05-09 | Kennametal Inc. | Coupling mechanism for cutting tool |
DE112015002167T5 (de) | 2014-05-08 | 2017-01-26 | Kennametal Inc. | Kopplungsmechanismus für Schneidwerkzeuge |
EP2944407A1 (en) * | 2014-05-16 | 2015-11-18 | Sandvik Intellectual Property AB | A fixation arrangement as well as an interchangeable part and a lock key |
CN203918062U (zh) * | 2014-06-30 | 2014-11-05 | 江苏恒锋工具有限公司 | 组合式t型槽铣刀 |
US20160332241A1 (en) * | 2015-05-14 | 2016-11-17 | Hsiao -Lin Liu | Mill cutter assembly |
TWI574762B (zh) * | 2015-05-20 | 2017-03-21 | Hsin Tien Chang | Tool connection of the thread structure |
DE202015106360U1 (de) * | 2015-11-20 | 2015-11-27 | Simtek Ag | Fräserkopfeinheit, Fräserschaft und Aufschraubfräser |
DE102016105210A1 (de) | 2016-03-21 | 2017-09-21 | Komet Group Gmbh | Spanabhebendes Werkzeug |
-
2017
- 2017-12-22 EP EP17935377.6A patent/EP3730241A4/en active Pending
- 2017-12-22 CA CA3086284A patent/CA3086284C/en active Active
- 2017-12-22 WO PCT/JP2017/046215 patent/WO2019123652A1/ja unknown
- 2017-12-22 JP JP2019559998A patent/JP6964145B2/ja active Active
- 2017-12-22 US US16/955,295 patent/US11478864B2/en active Active
- 2017-12-22 CN CN201780097836.XA patent/CN111511492B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP3730241A4 (en) | 2021-08-11 |
JPWO2019123652A1 (ja) | 2020-10-22 |
WO2019123652A1 (ja) | 2019-06-27 |
CA3086284C (en) | 2022-05-31 |
US11478864B2 (en) | 2022-10-25 |
EP3730241A1 (en) | 2020-10-28 |
CN111511492B (zh) | 2023-08-22 |
US20210086275A1 (en) | 2021-03-25 |
CA3086284A1 (en) | 2019-06-27 |
CN111511492A (zh) | 2020-08-07 |
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