JPH01205908A - Rotary grinding tool - Google Patents
Rotary grinding toolInfo
- Publication number
- JPH01205908A JPH01205908A JP3055788A JP3055788A JPH01205908A JP H01205908 A JPH01205908 A JP H01205908A JP 3055788 A JP3055788 A JP 3055788A JP 3055788 A JP3055788 A JP 3055788A JP H01205908 A JPH01205908 A JP H01205908A
- Authority
- JP
- Japan
- Prior art keywords
- tool body
- tip
- grinding wheel
- top edge
- tool
- 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.)
- Granted
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 45
- 238000005520 cutting process Methods 0.000 claims abstract description 27
- 238000003801 milling Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 239000010953 base metal Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、正面フライス、エンドミル等のように工具本
体の先端外縁部に切削刃が設けられた構成の転削］１具
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a milling tool having a structure in which a cutting edge is provided at the outer edge of the tip of the tool body, such as a face milling cutter or an end mill.
従来、例えば、正面フライスとしては、第７図と第８図
に示すように、中空状の工具本体１の拡径した先端外縁
部に複数の装着凹部２が形成され、かつこれらの装着凹
部２にスローアウェイチップ３がそれぞれ取付けられた
ものが知られている。Conventionally, for example, in a face milling cutter, as shown in FIGS. 7 and 8, a plurality of mounting recesses 2 are formed at the outer edge of the enlarged tip of a hollow tool body 1, and these mounting recesses 2 are It is known that the indexable tips 3 are respectively attached to the indexable tips 3.
また、特開昭５８−１０２６１５号公報、あるいは特開
昭６０−８５８１６号公報に記載の正面フライス等が知
られているが、いずれにしても、本発明のように切削刃
と研削砥石を組み合わせた正面フライスは従来知られて
いない。Furthermore, face milling cutters and the like described in JP-A-58-102615 or JP-A-60-85816 are known, but in any case, a cutting blade and a grinding wheel are combined as in the present invention. A face milling cutter with a similar shape is hitherto unknown.
ところで、近年の工作機械の進歩、特に主軸の高速回転
化に伴い、フライス加工用工作機械としてのマシニング
センターにより切削加工のみならず、砥石による研削加
］ニも行なわれつつある。By the way, with the recent progress in machine tools, especially the increase in the rotation speed of the main spindle, not only cutting processing but also grinding processing using a grindstone is being performed using machining centers as machine tools for milling processing.
また、被削材の方も最近では高級化しており、切削加工
しにくいものが増えつつある。さらに、切削条件につい
ても高速化、高送り化してきており、両者が相俟って、
例えば、アルミ合金のような延性材料においては、パリ
の発生が一層大きくなったり、ｖ！鉄のような脆性をも
つ材料ではコバ欠けが問題となっている。さらにまた、
仕上面についても高送り切削による仕上面の劣化を生じ
ている。In addition, work materials have recently become more sophisticated, and the number of materials that are difficult to cut is increasing. Furthermore, the cutting conditions have also become faster and higher feeds, and these two factors combine to
For example, in ductile materials such as aluminum alloys, the occurrence of paris is even greater, and v! Edge chipping is a problem with brittle materials such as iron. Furthermore,
The finished surface also deteriorates due to high-feed cutting.
本発明は、上記事情に鑑みてなされたもので、その目的
とするところは、切削加工と同時に研削加工を行なうこ
とができ、仕上面の向上と工程数の削減を図ることがで
きる上に、パリ、あるいはコバ欠けの発生等を抑制する
ことができる転削工具を提供することにある。The present invention has been made in view of the above circumstances, and its purpose is to be able to perform grinding at the same time as cutting, improve the finished surface and reduce the number of steps, and It is an object of the present invention to provide a milling tool capable of suppressing the occurrence of cracking or edge chipping.
上記目的を達成Ｊるために、本発明は、工具本体の先端
部であって、かつ切削刃より該工具本体の半径方向内側
の位置に、研削砥石を、１記切削刃よりも上記工具本体
の先端側に突出した状態で着脱自在に取付けたものであ
る。In order to achieve the above object, the present invention provides a grinding wheel that is placed at the tip of a tool body and at a position radially inner of the tool body than the cutting blade. It is removably attached so that it protrudes from the tip side.
また、工具本体の先端部であって、かつ切削刃より該工
具本体の半径方向内側の位置に凹部を少なくとも１個形
成し、かつ該凹部に研削砥石を着脱自在に取付けるのが
望ましい。Further, it is desirable that at least one recess is formed at the tip of the tool body at a position radially inward of the tool body than the cutting blade, and that a grinding wheel is detachably attached to the recess.
さらに、工具本体の先端に、研削砥石を弾性部材を介し
て該工具本体の回転軸線に沿って移動可能に設けること
もできる。Furthermore, a grinding wheel may be provided at the tip of the tool body via an elastic member so as to be movable along the rotation axis of the tool body.
さらにまた、研削砥石として弾性砥石を用いることもで
きる。Furthermore, an elastic grindstone can also be used as the grinding wheel.
本発明の転削工具にあっては、切削刃によって切削加工
を行なうと同時に、研削砥石によって研削加工を行なう
ことにより、パリあるいはコバ欠けの抑制及び仕上面の
向上、工程数の低減を図る。In the milling tool of the present invention, by performing cutting with the cutting blade and grinding with the grinding wheel at the same time, it is possible to suppress chipping or edge chipping, improve the finished surface, and reduce the number of steps.
以下、第１図ないし第６図に基づいて本発明の詳細な説
明する。Hereinafter, the present invention will be explained in detail based on FIGS. 1 to 6.
第１図は本発明の第１実施例を示す正面フライスの断面
図であり、この図において符号１０は、中空状の工具本
体である。そして、この工具本体１０の拡径した先端外
縁部には、？Ｉ数の装着凹部１１が形成され、かつこれ
らの装着凹部１１にはスローアウェイチップ１２がそれ
ぞれ取付けられている。また、−Ｅ２工具本体１０の先
端部であ−って、かつ上記各スローアウェイチップ１２
より該工具本体１０の半径方向内側の位置には凹所１３
が形成されており、この凹所１３には、リング状の台金
１４が取付ボルト１５によって装着されている。そして
、この台金１４の先端（下端）には砥石部１６が形成さ
れていると共に、この砥石部１６は、上記スロー７ウエ
イチツブ１２より上記工具本体１０の先端側に所定１（
０，１ａｓ＋以下、好ましくは５／１０Ｇ ＃ＩＩＩ以
下）突出して設置されている。FIG. 1 is a sectional view of a face milling cutter showing a first embodiment of the present invention, and in this figure, reference numeral 10 indicates a hollow tool body. And, on the outer edge of the enlarged diameter tip of this tool body 10, there is ? I number of mounting recesses 11 are formed, and each of these mounting recesses 11 has a throw-away tip 12 attached thereto. -E2 The tip of the tool body 10, and each of the above-mentioned indexable tips 12
A recess 13 is provided at a radially inner position of the tool body 10.
A ring-shaped base metal 14 is mounted in this recess 13 with a mounting bolt 15. A grindstone portion 16 is formed at the tip (lower end) of this base metal 14, and this grindstone portion 16 is located at a predetermined distance of 1 (
0.1 as+, preferably 5/10G #III or less).
上記のように構成された正面フライスにあっては、工具
本体１０に取付けたスロー７ウエイチツブ１２よって切
削加工を行なうと同時に、リング状の砥石部１６によっ
て研削加工を行なうことにより、従来、二工程必要であ
った加工を一工程に短縮して仕上げることができる。ま
た、研削砥石１７を工具本体１０に取付けるだけでよい
から、従来のように工作機械に砥石を取付けるために必
要であった治具が不用となる。In the face milling cutter configured as described above, cutting is performed by the slow 7-way lug 12 attached to the tool body 10, and at the same time, grinding is performed by the ring-shaped grindstone portion 16. The required processing can be reduced to one step. Further, since it is only necessary to attach the grinding wheel 17 to the tool body 10, the jig that is conventionally required for attaching the grinding wheel to a machine tool becomes unnecessary.
さらに、第２図は本発明の第２実施例を示すエンドミル
の側面図であり、この図において符号１８は工具本体で
ある。そして、この工具本体１８の先端外縁部及び外周
面には、適宜スローアウェイチップ１９が装着されてい
る。また、上記工具本体１日の先端面中心部には、凹所
２０が形成されており、この凹所２０には研削砥石２１
の台金２２が取付ボルト２３によって装着されている。Furthermore, FIG. 2 is a side view of an end mill showing a second embodiment of the present invention, and in this figure, reference numeral 18 is a tool body. A throw-away tip 19 is appropriately attached to the outer edge and outer peripheral surface of the tip of the tool body 18. Further, a recess 20 is formed in the center of the tip surface of the tool body, and a grinding wheel 21 is placed in this recess 20.
A base metal 22 is attached with a mounting bolt 23.
そして、この台金２２の先端にはリング状の砥石部２４
が形成されており、この砥石部２４は、上記スローアウ
ェイチップ１９より工具本体１８の先端側に所定噴（０
，１ｍ＋以下、好ましくは５／１００Ｍ以下）突出しで
設置されている。At the tip of this base metal 22, a ring-shaped grinding stone portion 24 is provided.
is formed, and this grindstone portion 24 has a predetermined spray (0
, 1 m+, preferably 5/100 m or less).
上記のように構成されたエンドミルにあっては、工具本
体１８に取付けたスローアウェイチップ１９よつ１エン
ドミルとし又の切削加工ができると同時に、研削砥石２
１によって切削曲を仕上げ加工（研削加工）できる。ま
た、第３図と第４図に示すように、工具本体１８の外周
面に取付けられたスローアウェイチップ１９によって、
工作物２５の側面２５ａを切削加工し、次いで、研削砥
石２１によって工作物２５の上面２５ｂを研削加工する
ことにより、工具交換なしに二工程の加工が可能である
。In the end mill configured as described above, the indexable tip 19 attached to the tool body 18 can perform cutting with one end mill and one with the grinding wheel 2.
1 allows the cutting curve to be finished (grinded). In addition, as shown in FIGS. 3 and 4, the indexable tip 19 attached to the outer peripheral surface of the tool body 18 allows
By cutting the side surface 25a of the workpiece 25 and then grinding the upper surface 25b of the workpiece 25 using the grinding wheel 21, two-step processing is possible without changing tools.
なお、上記各研削砥石１７．２１としては、結合材の種
類により、ビトリフッイド砥石、レジノイド砥石、メタ
ルボンド砥石や電＠砥石などのほかに砥石自体に弾性を
有するラバー砥石等も使用できる。As each of the grinding wheels 17 and 21, depending on the type of bonding material, in addition to a vitrified grindstone, a resinoid grindstone, a metal bond grindstone, an electric grindstone, etc., a rubber grindstone having elasticity can also be used.
また、第５図は本発明の第３実施例を示す正面フライス
の断面図であり、この図において符号３０は中空状の工
具本体である。そして、工具本体３０の拡径した先端外
縁部には、複数のスローアウェイチップ３１が装着され
ている。さらに、上記工具本体３０の先端部であって、
かつ上記スローアウェイチップ３１より該工具本体３０
の半径方向内側の位置には、１個または複数個の砥石着
脱用の凹部３２が形成されており、この凹部３２には、
皿バネ３３及び可動体３４が内装されている。そして、
この可動体３４は、上記朋バネ３３によって工具本体３
０の回転軸線Ｊに沿って工具本体３０の先端側に付勢さ
れると共に、円筒状の押え部材３５によって凹部３２の
外方に脱落しないように保持されている。さらにまた、
上記可動体３４の先端には取付ボルト３６によっ″′Ｃ
研削砥石３７が取付けられており、この研削砥石３７は
上記スローアウェイチップ３１より所定ｆｆｉ（ｌａｗ
以下）突出して設置されでいる。なお、図中符号３８は
、上記可動体３４と押え部材３ｂとの間にｖＲ看された
Ｏリングである。また、研削砥石３７としては、上山し
たような各種の砥石の使用が可能である。Further, FIG. 5 is a sectional view of a face milling cutter showing a third embodiment of the present invention, and in this figure, reference numeral 30 indicates a hollow tool body. A plurality of indexable tips 31 are attached to the outer edge of the enlarged diameter tip of the tool body 30. Furthermore, the tip of the tool body 30,
and the tool body 30 from the indexable tip 31.
A recess 32 for attaching and removing one or more grindstones is formed at a radially inner position of the recess 32.
A disc spring 33 and a movable body 34 are installed inside. and,
This movable body 34 is moved by the tool body 3 by the above-mentioned spring 33.
The tool body 30 is biased toward the distal end of the tool body 30 along the rotation axis J of 0, and is held by a cylindrical holding member 35 so as not to fall out of the recess 32 . Furthermore,
A mounting bolt 36 is attached to the tip of the movable body 34.
A grinding wheel 37 is attached, and this grinding wheel 37 has a predetermined ffi (law
(Below) It is installed prominently. Note that the reference numeral 38 in the figure is an O-ring placed between the movable body 34 and the pressing member 3b. Further, as the grinding wheel 37, various types of grinding wheels such as a grinding wheel can be used.
上記のように構成された正面フライスにあっては、上記
第１実施例と同様の効果を秦する上に、第１実施例に比
べて研削砥石の大きさを小さくできるから、コストの低
減を図ることができると共に、切粉の排出性の向上及び
スローアウェイ式による砥石管理の低減を図ることがで
きる上に、弾性部材（ｔｉｎバネ）３３によって研削砥
石３７を工作物に押し付けることにより、防振効果を有
する。The face milling cutter configured as described above not only achieves the same effects as the first embodiment, but also reduces costs because the size of the grinding wheel can be made smaller compared to the first embodiment. In addition, it is possible to improve the evacuation of chips and reduce the need for grinding wheel management due to the throw-away method. Has a shaking effect.
また、第６図は本発明の第４実施例を示すもので、この
第４実施例は、−Ｅ２第３実施例の研削砥石３７の代わ
りに、ラバー砥石のような弾性砥石４０を用いることに
より、弾性部材を用いずに第３実施例と同様の効果を得
ることができる。Further, FIG. 6 shows a fourth embodiment of the present invention, in which an elastic grindstone 40 such as a rubber grindstone is used in place of the grinding wheel 37 of the -E2 third embodiment. Therefore, the same effect as the third embodiment can be obtained without using an elastic member.
（発明の効果〕
以上説明したように、本発明は、工具本体の先端部であ
って、かつ切削刃より該工具本体の半径方向内側の位置
に、研削砥石を、上記切削刃よりも上記工具本体の先端
側に突出した状態で着脱自在に取付けたものであるから
、切削刃によって切削加工を行なうと同時に、研削砥石
によって研削加工を行なうことにより、切削加工で発生
するパリやコバ欠けを抑制できると共に、仕上面の向上
及び−［程数の低減を図ることができる。(Effects of the Invention) As explained above, the present invention provides a grinding wheel that is placed at the tip of a tool body and at a position radially inside of the tool body from the cutting blade. Since it is attached removably and protrudes from the tip of the main body, the cutting blade performs the cutting process and at the same time the grinding wheel performs the grinding process, thereby suppressing burrs and edge chips that occur during the cutting process. At the same time, it is possible to improve the finished surface and reduce the -[modulus].
また、工具本体の先端部であって、かつ切削刃より該工
具本体の半径方向内側の位置に凹部を少なくとも１個形
成し、かつ該凹部に研削砥石を着脱自在に取付けるＣと
により、研削砥石のコス１−の低減、切粉の排出性の向
上及び砥石管理の低減を図ることができる。Further, by forming at least one recess at the tip of the tool body and at a position radially inward of the tool body from the cutting blade, and removably attaching the grinding wheel to the recess, the grinding wheel It is possible to reduce the cost 1-, improve the discharge of chips, and reduce the need for grinding wheel management.
さらに、工具本体の先端に、研削砥石を弾性部材を介し
て該工具本体の回転軸線に沿って移動可能に設けたり、
あるいは研削砥石を弾性砥石とすることにより、工作物
を押えイ・１けることができ、加工時に生じる振動を防
止できる。Furthermore, a grinding wheel is provided at the tip of the tool body so as to be movable along the rotation axis of the tool body via an elastic member,
Alternatively, by using an elastic grinding wheel as the grinding wheel, the workpiece can be held down and vibrations generated during machining can be prevented.
第１図は本発明の第１実施例を示す断面図、第２図ない
し第４図は本発明の第２実施例を丞すもので、第２図は
側面図、第３図は工作物の側面を切削加工する状態の説
明図、第４図は工作物の上面を研削加工する状態の説明
図、第５図は本発明の第３実施例を示す断面図、第６図
は本発明の第４実施例をポリ断面図、第７図と第８図は
従来の正面フライスを示り゛もので、第７図は断面図、
第８図は下面図である。
１０・・・・・・工具本体、
１２・・・・・・スローアウェイチップ（切削刃）、１
７・・・・・・（ｄ削砥石、
１８・・・・・・工具本体、
１９・・・・・・スローアウェイチップ（切削刃）、２
１・・・・・・研削砥１１．
３０・・・・・・［具本体、
３１・・・・・・スローアウェイチップ（切削刃）、３
２・・・・・・凹部、
３３・・・・・・朋バネ（弾性部材）、３７・・・・・
・研削砥石、
４０・・・・・・弾性砥石、
Ｊ・・・・・・回転軸線。Fig. 1 is a sectional view showing the first embodiment of the present invention, Figs. 2 to 4 show the second embodiment of the invention, Fig. 2 is a side view, and Fig. 3 is a workpiece. FIG. 4 is an explanatory diagram of the state in which the top surface of the workpiece is ground. FIG. 5 is a sectional view showing the third embodiment of the present invention. FIG. 6 is a cross-sectional diagram showing the third embodiment of the present invention. 7 and 8 show a conventional face milling cutter; FIG. 7 is a sectional view;
FIG. 8 is a bottom view. 10... Tool body, 12... Indexable tip (cutting blade), 1
7... (d grinding wheel, 18... Tool body, 19... Throwaway tip (cutting blade), 2
1... Grinding wheel 11. 30...[tool body, 31...throwaway tip (cutting blade), 3
2... Concavity, 33... Frame spring (elastic member), 37...
-Grinding whetstone, 40...Elastic grindstone, J...Rotation axis.
Claims (4)
工具において、上記工具本体の先端部であつて、かつ上
記切削刃より該工具本体の半径方向内側の位置に、研削
砥石が、上記切削刃よりも上記工具本体先端側に突出し
た状態で着脱自在に取付けられたことを特徴とする転削
工具。(1) In a milling tool in which a cutting blade is provided at the outer edge of the tip of the tool body, a grinding wheel is provided at the tip of the tool body and at a position inside the tool body in the radial direction from the cutting blade. . A milling tool, characterized in that the milling tool is detachably attached in a state protruding toward the tip side of the tool body rather than the cutting blade.
体の半径方向内側の位置に凹部が少なくとも１個形成さ
れ、かつ該凹部に研削砥石が着脱自在に取付けられたこ
とを特徴とする請求項１記載の転削工具。(2) At least one recess is formed at the tip of the tool body at a position radially inward of the tool body from the cutting blade, and a grinding wheel is removably attached to the recess. The milling tool according to claim 1.
て該工具本体の回転軸線に沿って移動可能に設けられた
ことを特徴とする請求項１または２記載の転削工具。(3) The milling tool according to claim 1 or 2, characterized in that a grinding wheel is provided at the tip of the tool body so as to be movable along the rotational axis of the tool body via an elastic member.
項１または２記載の転削工具。(4) The milling tool according to claim 1 or 2, wherein the grinding wheel is an elastic grindstone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63030557A JP2522005B2 (en) | 1988-02-12 | 1988-02-12 | Milling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63030557A JP2522005B2 (en) | 1988-02-12 | 1988-02-12 | Milling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01205908A true JPH01205908A (en) | 1989-08-18 |
| JP2522005B2 JP2522005B2 (en) | 1996-08-07 |
Family
ID=12307105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63030557A Expired - Lifetime JP2522005B2 (en) | 1988-02-12 | 1988-02-12 | Milling tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522005B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030026573A (en) * | 2001-09-26 | 2003-04-03 | 현대자동차주식회사 | A complex milling cutter |
| EP1755840A1 (en) * | 2004-02-26 | 2007-02-28 | Kennametal, Inc. | Cutting tool for rough and finish milling |
| JP2008149395A (en) * | 2006-12-15 | 2008-07-03 | Sanwa Kenma Kogyo Kk | Rotary tool |
| JP2010012553A (en) * | 2008-07-03 | 2010-01-21 | Jtekt Corp | Machining apparatus and machining tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62138567U (en) * | 1986-02-21 | 1987-09-01 | ||
| JPH051930U (en) * | 1991-01-09 | 1993-01-14 | 三菱電機株式会社 | Ventilation fan |
-
1988
- 1988-02-12 JP JP63030557A patent/JP2522005B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62138567U (en) * | 1986-02-21 | 1987-09-01 | ||
| JPH051930U (en) * | 1991-01-09 | 1993-01-14 | 三菱電機株式会社 | Ventilation fan |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030026573A (en) * | 2001-09-26 | 2003-04-03 | 현대자동차주식회사 | A complex milling cutter |
| EP1755840A1 (en) * | 2004-02-26 | 2007-02-28 | Kennametal, Inc. | Cutting tool for rough and finish milling |
| EP1755840B1 (en) * | 2004-02-26 | 2012-11-14 | Kennametal, Inc. | Cutting tool for rough and finish milling |
| JP2008149395A (en) * | 2006-12-15 | 2008-07-03 | Sanwa Kenma Kogyo Kk | Rotary tool |
| JP2010012553A (en) * | 2008-07-03 | 2010-01-21 | Jtekt Corp | Machining apparatus and machining tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2522005B2 (en) | 1996-08-07 |
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