JP6651494B2 - 切削工具及び切削工具の組み立て方法 - Google Patents
切削工具及び切削工具の組み立て方法 Download PDFInfo
- Publication number
- JP6651494B2 JP6651494B2 JP2017234548A JP2017234548A JP6651494B2 JP 6651494 B2 JP6651494 B2 JP 6651494B2 JP 2017234548 A JP2017234548 A JP 2017234548A JP 2017234548 A JP2017234548 A JP 2017234548A JP 6651494 B2 JP6651494 B2 JP 6651494B2
- Authority
- JP
- Japan
- Prior art keywords
- peripheral surface
- head
- spacer
- shank
- outer peripheral
- 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
- B23B31/11—Retention by threaded connection
- B23B31/1107—Retention by threaded connection for conical parts
- B23B31/1122—Retention by threaded connection for conical parts using cylindrical threads
-
- 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
- B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
- B23B31/1075—Retention by screws
-
- 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
- B23B31/005—Cylindrical shanks of tools
-
- 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
- B23B31/028—Chucks the axial positioning of the tool being adjustable
-
- 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
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/26—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle
- B23B31/261—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle clamping the end of the toolholder shank
- B23B31/263—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle clamping the end of the toolholder shank by means of balls
-
- 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
- B23C5/1009—Ball nose end mills
- B23C5/1027—Ball nose end mills with one or more removable cutting inserts
- B23C5/1045—Ball nose end mills with one or more removable cutting inserts having a cutting insert, the cutting edge of which subtends substantially 90 degrees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/134—Spacers or shims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
- B23B29/046—Tool holders for a single cutting tool with an intermediary toolholder
-
- 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
- B23B31/1175—Retention by friction only, e.g. using springs, resilient sleeves, tapers using elastomer rings or sleeves
-
- 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
- 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
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
- B23P11/027—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold for mounting tools in tool holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
以上、本発明の実施形態について図面を参照して詳述したが、各実施形態における各構成及びそれらの組み合わせ等は一例であり、本発明の趣旨から逸脱しない範囲内で、構成の付加、省略、置換、及びその他の変更が可能である。また、本発明は実施形態によって限定されることはなく、特許請求の範囲によってのみ限定される。
20…シャンク
21…シャンク本体
22…挿入部
31…第一接続部
32…テーパ外周部
33…第二接続部
34…雄ねじ部
40…ヘッド
41…つば部
42…ヘッド本体
43…挿入穴
45…対向面
46…ヘッド端面
50…スペーサ
51…スペーサ第一面
52…スペーサ第二面
53…スペーサ内周面
100…切削工具
1A…基端部
21A…第一面
22A…第二面
31A…第一外周面
32A…テーパ外周面
33A…第二外周面
41A…つば部外周面
44A…テーパ内周面
A…軸線
C…チップ
G…隙間
S1…仮挿入工程
S2…計測工程
S3…スペーサ加工工程
S4…スペーサ取り付け工程
S5…最終挿入工程
Sf…雌ねじ
Sm…雄ねじ
Claims (4)
- 軸線に沿って延びるシャンク本体、及び前記シャンク本体から前記軸線方向の一方側に向かって突出する挿入部を有するシャンクと、
前記挿入部が挿入可能とされ、前記挿入部よりも前記軸線方向の長さが短い挿入穴が形成されたヘッドと、
前記シャンク本体と前記ヘッドとの間に配置されたスペーサと、備え、
前記挿入部は、
前記軸線方向の一方側の端部を含む先端部分で、外周面に雄ねじが形成された雄ねじ部と、
前記雄ねじ部よりも前記軸線方向の他方側の領域で、前記軸線方向の他方側から一方側に向かうにしたがって次第に縮径するテーパ外周面が形成されたテーパ外周部と、を有し、
前記挿入穴は、
内面における前記軸線方向の一方側の端部を含む領域であって、前記雄ねじとかみ合う雌ねじと、
前記内面における前記雌ねじよりも前記軸線方向の他方側の領域であって、前記軸線方向の他方側から一方側に向かうにしたがって次第に縮径し、前記テーパ外周面と面接触するテーパ内周面とを有し、
前記ヘッドは、前記軸線方向の他方側を向く端面であるヘッド端面が前記スペーサの前記軸線方向の一方側を向く面と面接触している切削工具。 - 前記テーパ内周面が前記軸線に対してなす角度は、前記テーパ外周面が前記軸線に対してなす角度よりも大きい請求項1に記載の切削工具。
- 前記テーパ内周面と前記テーパ外周面とは、互いに塑性変形することによって面接触する請求項1又は2に記載の切削工具。
- 請求項1から3のいずれか一項に記載の切削工具の組み立て方法であって、
前記挿入部を前記挿入穴に挿入し、所定の初期トルクを付加して前記雄ねじと前記雌ねじとをかみ合わせて前記シャンク本体と前記ヘッドとの間に隙間が形成された状態とする仮挿入工程と、
前記仮挿入工程で生じた前記シャンク本体と前記ヘッドとの間の隙間の寸法を計測した後、前記ヘッドを前記シャンクから取り外す計測工程と、
前記計測工程で計測された前記隙間の寸法以上の厚みを有する前記スペーサを加工するスペーサ加工工程と、
前記スペーサを前記シャンクに取り付けるスペーサ取り付け工程と、
前記初期トルクよりも大きな最終トルクを付加して前記ヘッドを前記シャンクに取り付けることで、前記テーパ内周面と前記テーパ外周面とを互いに面接触させるとともに、前記軸線方向の他方側を向く端面であるヘッド端面を前記スペーサの前記軸線方向の一方側を向く面と面接触させる最終挿入工程と、を含む切削工具の組み立て方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017234548A JP6651494B2 (ja) | 2017-12-06 | 2017-12-06 | 切削工具及び切削工具の組み立て方法 |
EP18196209.3A EP3495091B1 (en) | 2017-12-06 | 2018-09-24 | Cutting tool and method of assembling cutting tool |
US16/141,286 US11325193B2 (en) | 2017-12-06 | 2018-09-25 | Cutting tool and method of assembling cutting tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017234548A JP6651494B2 (ja) | 2017-12-06 | 2017-12-06 | 切削工具及び切削工具の組み立て方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019098491A JP2019098491A (ja) | 2019-06-24 |
JP6651494B2 true JP6651494B2 (ja) | 2020-02-19 |
Family
ID=63683035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017234548A Active JP6651494B2 (ja) | 2017-12-06 | 2017-12-06 | 切削工具及び切削工具の組み立て方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11325193B2 (ja) |
EP (1) | EP3495091B1 (ja) |
JP (1) | JP6651494B2 (ja) |
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-
2017
- 2017-12-06 JP JP2017234548A patent/JP6651494B2/ja active Active
-
2018
- 2018-09-24 EP EP18196209.3A patent/EP3495091B1/en active Active
- 2018-09-25 US US16/141,286 patent/US11325193B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11325193B2 (en) | 2022-05-10 |
JP2019098491A (ja) | 2019-06-24 |
US20190168312A1 (en) | 2019-06-06 |
EP3495091B1 (en) | 2020-12-30 |
EP3495091A1 (en) | 2019-06-12 |
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