JP7145222B2 - インサートおよび切削工具 - Google Patents
インサートおよび切削工具 Download PDFInfo
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- JP7145222B2 JP7145222B2 JP2020539498A JP2020539498A JP7145222B2 JP 7145222 B2 JP7145222 B2 JP 7145222B2 JP 2020539498 A JP2020539498 A JP 2020539498A JP 2020539498 A JP2020539498 A JP 2020539498A JP 7145222 B2 JP7145222 B2 JP 7145222B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
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- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
- C04B35/591—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by reaction sintering
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- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
- C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
- C04B35/5935—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering obtained by gas pressure sintering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/18—Ceramic
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
- C04B2235/3878—Alpha silicon nitrides
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Products (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
以下、本開示のインサートについて、図面を用いて詳細に説明する。但し、以下で参照する各図は、説明の便宜上、各実施形態を説明する上で必要な主要部材のみを簡略化して示したものである。したがって、インサートは、参照する各図に示されていない任意の構成部材を備え得る。また、各図中の部材の寸法は、実際の構成部材の寸法及び各部材の寸法比率等を忠実に表したものではない。
次に、本開示の切削工具について図面を用いて説明する。
3・・・基体
5・・・第1面
7・・・第2面
9・・・切刃
11・・・被覆膜
17・・・貫通穴
21・・・第1領域
23・・・第2領域
25・・・第3領域
Claims (8)
- β-Si3N4を主成分として含有する窒化珪素質焼結体からなるインサートであって、
前記窒化珪素質焼結体は、表面から0.5mmの範囲を第1領域としたとき、
該第1領域は、酸素量が0.8質量%未満であり、ReMgSi2O5N(Reは、YbおよびYの少なくともいずれか1種)を有し、
前記窒化珪素質焼結体は、前記第1領域におけるReMgSi2O5Nの(11-1)の結晶面におけるX線強度Iaと、前記第1領域における前記β-Si3N4の(101)の結晶面におけるX線強度Ibとの比(Ia/Ib)が0.11~0.15である、インサート。 - 前記第1領域における酸素量が0.63質量%以下である、請求項1に記載のインサート。
- 前記窒化珪素質焼結体は、表面から1.0mm以上の範囲を第2領域としたとき、該第2領域における酸素量が1.10質量%未満である、請求項1または2に記載のインサート。
- 前記窒化珪素質焼結体は、Mgを0.05質量%以上、0.40質量%以下、Reを1.50質量%以上、1.70質量%以下含有する、請求項1~3のいずれかに記載のインサート。
- 前記窒化珪素質焼結体は、Zrを0.05質量%以上、0.15質量%以下含有する、請求項1~4のいずれかに記載のインサート。
- 前記窒化珪素質焼結体は、表面から1mmの範囲を第3領域としたとき、該第3領域における熱伝導率が61W/m・Kを超える、請求項1~5のいずれかに記載のインサート。
- 前記窒化珪素質焼結体は、表面から1mmの範囲を第3領域としたとき、該第3領域における熱伝導率が70W/m・K以上である、請求項1~6のいずれかに記載のインサート。
- 第1端から第2端に向かって延び、前記第1端側にポケットを有するホルダと、
前記ポケットに位置する請求項1~7のいずれかに記載のインサートと、を備えた切削工具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018159437 | 2018-08-28 | ||
JP2018159437 | 2018-08-28 | ||
PCT/JP2019/033521 WO2020045431A1 (ja) | 2018-08-28 | 2019-08-27 | インサートおよび切削工具 |
Publications (2)
Publication Number | Publication Date |
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JPWO2020045431A1 JPWO2020045431A1 (ja) | 2021-08-26 |
JP7145222B2 true JP7145222B2 (ja) | 2022-09-30 |
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JP2020539498A Active JP7145222B2 (ja) | 2018-08-28 | 2019-08-27 | インサートおよび切削工具 |
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US (1) | US11865624B2 (ja) |
JP (1) | JP7145222B2 (ja) |
WO (1) | WO2020045431A1 (ja) |
Families Citing this family (1)
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EP4129955B1 (en) * | 2020-03-26 | 2024-05-29 | Denka Company Limited | Ceramic plate and method for producing same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003313079A (ja) | 2002-04-23 | 2003-11-06 | Hitachi Metals Ltd | 窒化ケイ素質焼結体および窒化ケイ素質焼結体の製造方法、並びにそれを用いた回路基板 |
WO2008114752A1 (ja) | 2007-03-22 | 2008-09-25 | Ngk Spark Plug Co., Ltd. | インサート及び切削工具 |
WO2013171324A1 (en) | 2012-05-16 | 2013-11-21 | Mda Ileri Teknoloji Seramikleri Sanayi Ticaret Ltd. Sti. | Silicon nitride ceramics with improved wear resistance and production method therefore |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3550420B2 (ja) | 1994-03-30 | 2004-08-04 | 日本特殊陶業株式会社 | 耐摩耗性窒化珪素質焼結体及びその製造方法、並びに切削工具 |
JPH09301773A (ja) * | 1996-03-13 | 1997-11-25 | Ngk Spark Plug Co Ltd | 工具用窒化珪素焼結体 |
-
2019
- 2019-08-27 WO PCT/JP2019/033521 patent/WO2020045431A1/ja active Application Filing
- 2019-08-27 US US17/271,613 patent/US11865624B2/en active Active
- 2019-08-27 JP JP2020539498A patent/JP7145222B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003313079A (ja) | 2002-04-23 | 2003-11-06 | Hitachi Metals Ltd | 窒化ケイ素質焼結体および窒化ケイ素質焼結体の製造方法、並びにそれを用いた回路基板 |
WO2008114752A1 (ja) | 2007-03-22 | 2008-09-25 | Ngk Spark Plug Co., Ltd. | インサート及び切削工具 |
WO2013171324A1 (en) | 2012-05-16 | 2013-11-21 | Mda Ileri Teknoloji Seramikleri Sanayi Ticaret Ltd. Sti. | Silicon nitride ceramics with improved wear resistance and production method therefore |
Also Published As
Publication number | Publication date |
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US11865624B2 (en) | 2024-01-09 |
US20210323073A1 (en) | 2021-10-21 |
JPWO2020045431A1 (ja) | 2021-08-26 |
WO2020045431A1 (ja) | 2020-03-05 |
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