JP2002187013A - Tool and cutting operation method - Google Patents
Tool and cutting operation methodInfo
- Publication number
- JP2002187013A JP2002187013A JP2000383025A JP2000383025A JP2002187013A JP 2002187013 A JP2002187013 A JP 2002187013A JP 2000383025 A JP2000383025 A JP 2000383025A JP 2000383025 A JP2000383025 A JP 2000383025A JP 2002187013 A JP2002187013 A JP 2002187013A
- Authority
- JP
- Japan
- Prior art keywords
- tool
- cutting
- angle
- cutting edge
- plastic material
- 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.)
- Pending
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/61—Plastics not otherwise provided for, e.g. nylon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は工具及び切削加工方
法に関する。[0001] The present invention relates to a tool and a cutting method.
【０００２】[0002]
【発明が解決しようとする課題】エンジニアリングプラ
スチック製品は、一般に、大量生産方式で製造される場
合が多く、従って金型を用いた射出成形により製造され
る場合が多い（塑性と加工、第４０巻、第５８号（１９
９９）、阿部）。Generally, engineering plastic products are often manufactured in a mass production system, and are therefore often manufactured by injection molding using a mold (see Plasticity and Processing, Vol. 40). No. 58 (19
99), Abe).
【０００３】ところで、製品ニーズの多様化が進んで来
た今日、金型を用いた成形加工から、多品種少量生産に
適した切削加工が注目されるようになって来た。[0003] By the way, as the needs of products have been diversified, attention has been paid to cutting processes suitable for small-lot production of many kinds, instead of molding processes using dies.
【０００４】しかし、金属材料を切削加工する工具を、
プラスチック、特にエンジニアリングプラスチックの切
削加工に用いても満足できるものではなかった。すなわ
ち、金属材料切削加工用の工具でエンジニアリングプラ
スチックを切削加工した場合、エンジニアリングプラス
チック製品の仕上面精度が低い問題のあることが判って
来た。[0004] However, a tool for cutting a metal material is used.
It was not satisfactory even when used for cutting plastics, especially engineering plastics. In other words, it has been found that when engineering plastic is cut with a metal material cutting tool, there is a problem that the finished surface accuracy of the engineering plastic product is low.
【０００５】従って、本発明が解決しようとする課題
は、仕上面精度が高いエンジニアリングプラスチック製
品を得ることが出来る工具を提供することである。[0005] Accordingly, an object of the present invention is to provide a tool capable of obtaining an engineering plastic product having a high finishing surface accuracy.
【課題を解決するための手段】前記課題についての検討
を鋭意推し進めて行くうちに、すなわち様々な思考錯誤
を繰り返して行くうちに、エンジニアリングプラスチッ
クを切削加工する工具の刃先形状によって仕上面精度が
大きな影響を受けることを見出すに至った。Means for Solving the Problems As the study on the above-mentioned problems is intensively carried out, that is, while various thoughts and errors are repeated, the finishing accuracy is large due to the shape of the cutting edge of the tool for cutting the engineering plastic. I came to find that I was affected.
【０００６】このような知見に基づいて本発明が達成さ
れたものであり、前記の課題は、プラスチック材料を切
削する為の工具であって、前記工具の刃先形状を、ねじ
れ角は２５〜３５°、外周すくい角は１３〜１８°、底
刃逃げ角は１０〜１５°、外周逃げ角は２０〜２４°で
あるよう構成したことを特徴とする工具によって解決さ
れる。The present invention has been accomplished based on such knowledge, and an object of the present invention is to provide a tool for cutting a plastic material, wherein the shape of the cutting edge of the tool is 25 to 35. °, the outer peripheral rake angle is 13 to 18 °, the bottom blade clearance angle is 10 to 15 °, and the outer peripheral clearance angle is 20 to 24 °.
【０００７】尚、ねじれ角は３０°以上が好ましい。外
周すくい角は１６°以上が好ましい。底刃逃げ角は１２
°以上が好ましい。外周逃げ角は２２°以上が好まし
い。The twist angle is preferably 30 ° or more. The outer rake angle is preferably 16 ° or more. Bottom blade clearance angle is 12
° or more is preferable. The outer clearance angle is preferably 22 ° or more.
【０００８】又、上記の工具を用いてプラスチック材料
を切削加工することを特徴とする切削加工方法によって
解決される。[0008] Further, the above problem is solved by a cutting method characterized by cutting a plastic material using the above-mentioned tool.
【０００９】尚、上記の工具は、底刃部分に曲線刃が用
いられているものが好ましい。又、刃先は、例えばダイ
ヤモンド、その他超硬合金などの硬質材料で被覆されて
いるのが好ましい。工具は、例えばエンドミル工具であ
る。It is preferable that the above-mentioned tool uses a curved blade in the bottom blade portion. The cutting edge is preferably coated with a hard material such as diamond or other hard metal. The tool is, for example, an end mill tool.
【００１０】本発明の工具を用いて仕上面精度の高い製
品が得られるものとなる材料は、プラスチックの中でも
エンジニアリングプラスチック、特に耐熱温度が２００
℃以上のもの、例えばポリイミダベンゾール（ＰＢ
Ｉ）、ポリフェニレンサルファイド（ＰＰＳ）、ポリイ
ミド（ＰＩ）、ポリエーテルエーテルケトン（ＰＥＥ
Ｋ）等のプラスチックである。[0010] Among the plastics, materials which can be used to obtain products with high finishing surface accuracy using the tool of the present invention are engineering plastics, especially those having a heat resistance temperature of 200.
C. or higher, for example, polyimidabenzol (PB
I), polyphenylene sulfide (PPS), polyimide (PI), polyetheretherketone (PEE)
K) and other plastics.
【発明の実施の形態】本発明になる工具、特にエンドミ
ル工具は、プラスチック材料（例えば、ＰＢＩ，ＰＰ
Ｓ，ＰＩ，ＰＥＥＫ等の耐熱性を有するプラスチック材
料）を切削する為の工具であって、前記工具の刃先形状
を、ねじれ角は２５〜３５°（特に、３０〜３５°）、
外周すくい角は１３〜１８°（特に、１６〜１８°）、
底刃逃げ角は１０〜１５°（特に、１２〜１５°）、外
周逃げ角は２０〜２４°（特に、２２〜２４°）である
よう構成したものである。DETAILED DESCRIPTION OF THE INVENTION The tool according to the present invention, in particular, an end mill tool is made of a plastic material (eg, PBI, PP
A tool for cutting heat-resistant plastic materials such as S, PI, PEEK, etc., wherein the cutting edge shape of the tool is 25 to 35 ° (particularly 30 to 35 °);
The outer rake angle is 13-18 ° (especially 16-18 °),
The relief angle at the bottom edge is 10 to 15 ° (particularly 12 to 15 °), and the clearance angle at the outer periphery is 20 to 24 ° (particularly 22 to 24 °).
【００１１】本発明になる切削加工方法は、ねじれ角は
２５〜３５°（特に、３０ 〜３５°）、外周すくい
角は１３〜１８°（特に、１６〜１８°）、底刃逃げ角
は１０〜１５°（特に、１２〜１５°）、外周逃げ角は
２０〜２４°（特に、２２〜２４°）であるよう刃先形
状を構成した工具、特にエンドミル工具を用いて、プラ
スチック材料（例えば、ＰＢＩ，ＰＰＳ，ＰＩ，ＰＥＥ
Ｋ等の耐熱性を有するプラスチック材料）を切削加工す
る方法である。In the cutting method according to the present invention, the torsion angle is 25 to 35 ° (particularly, 30 to 35 °), the outer peripheral rake angle is 13 to 18 ° (particularly, 16 to 18 °), and the bottom blade clearance angle is A plastic material (for example, an end mill tool) having a cutting edge shape such that the cutting edge shape is 10 to 15 ° (particularly, 12 to 15 °) and the outer clearance angle is 20 to 24 ° (particularly, 22 to 24 °) is used. , PBI, PPS, PI, PEE
This is a method for cutting a heat-resistant plastic material such as K).
【００１２】上記の工具は、底刃部分に曲線刃が用いら
れている。又、刃先は、例えばダイヤモンド、その他超
硬合金などの硬質材料で被覆されている。In the above-mentioned tool, a curved blade is used in a bottom blade portion. The cutting edge is coated with a hard material such as diamond or other hard metal.
【００１３】本発明が対象とするプラスチックは、プラ
スチック、中でもエンジニアリングプラスチック、特に
耐熱温度が２００℃以上のもの、例えばＰＢＩ，ＰＰ
Ｓ，ＰＩ，ＰＥＥＫ等のプラスチックである。尚、これ
らのプラスチックには、各種のフィラー、例えばカーボ
ン繊維等が添加されていても良い。The plastics to which the present invention is applied are plastics, especially engineering plastics, especially those having a heat-resistant temperature of 200 ° C. or higher, for example, PBI, PP
Plastics such as S, PI, and PEEK. In addition, various fillers, such as carbon fiber, may be added to these plastics.
【００１４】以下、更に詳しく説明する。The details will be described below.
【００１５】図１は、本発明になるエンドミル工具の説
明図である。FIG. 1 is an explanatory view of an end mill tool according to the present invention.
【００１６】本発明になるエンドミル工具は、表面にダ
イヤモンドが約１０μｍ厚被覆されている。The surface of the end mill tool according to the present invention is coated with diamond to a thickness of about 10 μm.
【００１７】この工具の形状は、直径が１２ｍｍ、刃数
２枚であって、ねじれ角が１５〜４５°、外周すくい角
が１０〜２２°、底刃逃げ角は８〜１８°、外周逃げ角
は１７〜２７°である。尚、その数例を表−１に示す。This tool has a diameter of 12 mm, two blades, a torsion angle of 15 to 45 °, an outer rake angle of 10 to 22 °, a bottom blade relief angle of 8 to 18 °, and an outer clearance. The angle is between 17 and 27 degrees. Table 1 shows several examples.
【００１８】 表−１ ねじれ角 外周すくい角 底刃逃げ角 外周逃げ角 （°） （°） （°） （°） ２５ １６ １２ ２２ 本発明１ ３０ １８ １５ ２４ 本発明２ ３５ １６ １２ ２２ 本発明３ ３０ １８ １５ ２４ 本発明４＊ １５ １６ １２ ２２ 発明外１ ２０ １６ １２ ２２ 発明外２ ３０ １０ １２ ２２ 発明外３ ３０ ２２ １２ ２２ 発明外４ ３０ １６ ８ ２２ 発明外５ ３０ １６ １８ ２２ 発明外６ ３０ １６ １２ １７ 発明外７ ３０ １６ １２ ２７ 発明外８ ４５ １６ １２ ２２ 発明外９ ＊本例はダイヤモンド被覆が無いものである。 このエンドミル工具によって切削加工されるプラスチッ
クはポリイミダベンゾール（ＰＢＩ）であって、５０×
１５０×２５ｍｍの大きさのブロックである。Table 1 Helix Angle Outer Rake Angle Bottom Blade Relief Angle Outer Peripheral Relief Angle (°) (°) (°) (°) 25 16 12 22 Invention 1 30 18 15 24 Invention 2 35 16 12 22 Invention 3 30 18 15 24 Invention 4 * 15 16 12 22 Invention 1 20 16 12 22 Invention 2 30 10 12 22 Invention 3 30 22 12 22 Invention 4 30 16 8 22 Invention 5 30 16 18 22 Invention 6 30 16 12 17 Uninvented 7 30 16 12 27 Uninvented 8 45 16 12 22 Uninvented 9 * In this example, there is no diamond coating. The plastic machined by this end mill tool is polyimidabenzol (PBI), 50 ×
The block has a size of 150 × 25 mm.
【００１９】切削条件は、切削速度が３．３〜２１．７
ｍ／ｓ、一枚当たりの送り量が０．０４〜０．１６ｍｍ
／刃、軸方向の切込みが１．０ｍｍ、半径方向の切込み
が２．０ｍｍである。As for the cutting conditions, the cutting speed is 3.3 to 21.7.
m / s, feed amount per sheet is 0.04 to 0.16 mm
/ The cutting depth in the axial direction is 1.0 mm, and the cutting depth in the radial direction is 2.0 mm.
【００２０】切削環境は乾式であり、切削点には０．２
ＭＰａの圧力で空気を供給した。The cutting environment is dry and the cutting point is 0.2
Air was supplied at a pressure of MPa.
【００２１】上記のようにしてＰＢＩに切削加工が行わ
れたので、その結果を下記の表−２に示す。Since the PBI was cut as described above, the results are shown in Table 2 below.
【００２２】 表−２ 表面粗さ（μｍ） 切削距離（ｋｍ） 総合評価 本発明１ ２．９ １．５ ◎ 本発明２ ２．８ １．８ ◎ 本発明３ ２．７ ２．１ ◎ 本発明４ − ０．３ △〜○ 発明外１ ５．２ １．５ × 発明外２ ５．０ １．６ × 発明外３ ４．０ １．６ × 発明外４ ４．８ １．５ × 発明外５ ４．２ １．０ × 発明外６ ５．５ １．１ × 発明外７ ４．０ １．０ × 発明外８ ３．８ １．６ × 発明外９ ６．３ ０．５ × この表−２から、ねじれ角は２５〜３５°（特に、３０
〜３５°）、外周すくい角は１３〜１８°（特に、１６
〜１８°）、底刃逃げ角は１０〜１５°（特に、 １
２〜１５°）、外周逃げ角は２０〜２４°（特に、２２
〜２４°）の工具を用いてプラスチックを切削加工した
場合、得られた切削面の平滑度は極めて高いことが判
る。Table 2 Surface roughness (μm) Cutting distance (km) Comprehensive evaluation Invention 1 2.9 1.5 ◎ Invention 2 2.8 1.8 ◎ Invention 3 2.7 2.1 ◎ Invention 4-0.3 △-○ Uninvented 1 5.2 1.5 × Uninvented 2 5.0 1.6 × Uninvented 3 4.0 1.6 × Uninvented 4 4.8 1.5 × Invention 5 4.2 1.0 × Invention 6 5.5 1.1 × Invention 7 4.0 1.0 × Invention 8 3.8 1.6 × Invention 9 6.30.5 × From Table 2, the torsion angle is 25 to 35 ° (particularly, 30 to 35 °).
~ 35 °), the outer rake angle is 13 ~ 18 ° (especially 16 °
１８18 °), the relief angle of the bottom blade is 10-15 ° (especially, 1
2 to 15 °), and the outer clearance angle is 20 to 24 ° (especially, 22
When the plastic is cut using a tool of about 24 °), the obtained cut surface has extremely high smoothness.
【発明の効果】仕上面精度が高いエンジニアリングプラ
スチック製品を得ることが出来る。According to the present invention, it is possible to obtain an engineering plastic product having high finishing surface accuracy.
【図１】本発明になる工具の説明図FIG. 1 is an explanatory view of a tool according to the present invention.
【図２】本発明の実施によって得られた切削面の表面図FIG. 2 is a surface view of a cut surface obtained by implementing the present invention.
フロントページの続き (72)発明者 明 康夫 石川県金沢市黒田１−142 北陸有機工業 株式会社内 (72)発明者 村上 良彦 愛知県豊川市本野ケ原１−15 オーエスジ ー株式会社内 Ｆターム(参考） 3C022 KK01 KK21 KK22 KK28 3C053 AB11 AC22 AC32 Continuing on the front page (72) Inventor Yasuo Aki 1-142 Kuroda, Kanazawa-shi, Ishikawa Prefecture Hokuriku Organic Industry Co., Ltd. (72) Inventor Yoshihiko Murakami 1-15 Motonohara, Toyokawa-shi, Aichi FSG Term (Reference) 3C022 KK01 KK21 KK22 KK28 3C053 AB11 AC22 AC32
Claims (6)
あって、 前記工具の刃先形状を、ねじれ角は２５〜３５°、外周
すくい角は１３〜１８°、底刃逃げ角は１０〜１５°、
外周逃げ角は２０〜２４°であるよう構成したことを特
徴とする工具。1. A tool for cutting a plastic material, wherein the cutting edge of the tool has a torsion angle of 25 to 35 °, an outer rake angle of 13 to 18 °, and a bottom blade relief angle of 10 to 15 °. ,
A tool characterized in that an outer clearance angle is configured to be 20 to 24 °.
を特徴とする請求項１の工具。2. The tool according to claim 1, wherein a curved blade is used for the bottom blade portion.
特徴とする請求項１又は請求項２の工具。3. The tool according to claim 1, wherein the cutting edge is coated with a hard material.
とする請求項１〜請求項３いずれかの工具。4. The tool according to claim 1, wherein the tool is an end mill tool.
が耐熱温度は２００℃以上のものであることを特徴とす
る請求項１〜請求項４いずれかの工具。5. The tool according to claim 1, wherein the plastic material cut by the tool has a heat-resistant temperature of 200 ° C. or more.
いてプラスチック材料を切削加工することを特徴とする
切削加工方法。6. A cutting method for cutting a plastic material using the tool according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000383025A JP2002187013A (en) | 2000-12-18 | 2000-12-18 | Tool and cutting operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000383025A JP2002187013A (en) | 2000-12-18 | 2000-12-18 | Tool and cutting operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002187013A true JP2002187013A (en) | 2002-07-02 |
Family
ID=18850751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000383025A Pending JP2002187013A (en) | 2000-12-18 | 2000-12-18 | Tool and cutting operation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002187013A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006231504A (en) * | 2005-01-28 | 2006-09-07 | Nachi Fujikoshi Corp | End mill, machining apparatus, cutting method, and workpiece |
| JP2006255987A (en) * | 2005-03-16 | 2006-09-28 | Tokai Denka Kogyo Kk | Polybenzoimidazole resin molding material, resin molded product, machining method and reutilization method of chips |
| JP2008229757A (en) * | 2007-03-19 | 2008-10-02 | Kanazawa Inst Of Technology | Component polishing method, components, and plastic for polishing |
| CZ303257B6 (en) * | 2007-06-21 | 2012-06-27 | Hofmeister, S. R. O. | Milling tool for cutting sandwich polymer materials and technology for producing thereof |
-
2000
- 2000-12-18 JP JP2000383025A patent/JP2002187013A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006231504A (en) * | 2005-01-28 | 2006-09-07 | Nachi Fujikoshi Corp | End mill, machining apparatus, cutting method, and workpiece |
| JP2006255987A (en) * | 2005-03-16 | 2006-09-28 | Tokai Denka Kogyo Kk | Polybenzoimidazole resin molding material, resin molded product, machining method and reutilization method of chips |
| JP4707422B2 (en) * | 2005-03-16 | 2011-06-22 | 東海電化工業株式会社 | Polybenzimidazole resin molding material, cutting method, and method for reusing cutting powder |
| JP2008229757A (en) * | 2007-03-19 | 2008-10-02 | Kanazawa Inst Of Technology | Component polishing method, components, and plastic for polishing |
| CZ303257B6 (en) * | 2007-06-21 | 2012-06-27 | Hofmeister, S. R. O. | Milling tool for cutting sandwich polymer materials and technology for producing thereof |
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