JP2017071044A5 - Method for manufacturing surface-coated cutting tool - Google Patents
Method for manufacturing surface-coated cutting tool Download PDFInfo
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- JP2017071044A5 JP2017071044A5 JP2016019747A JP2016019747A JP2017071044A5 JP 2017071044 A5 JP2017071044 A5 JP 2017071044A5 JP 2016019747 A JP2016019747 A JP 2016019747A JP 2016019747 A JP2016019747 A JP 2016019747A JP 2017071044 A5 JP2017071044 A5 JP 2017071044A5
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- cutting tool
- layer portion
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- 238000005520 cutting process Methods 0.000 title claims 7
- 238000004519 manufacturing process Methods 0.000 title claims 6
- 239000011248 coating agent Substances 0.000 claims 6
- 238000000576 coating method Methods 0.000 claims 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 5
- 239000000758 substrate Substances 0.000 claims 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000002994 raw material Substances 0.000 claims 2
- 238000004381 surface treatment Methods 0.000 claims 2
- 238000005229 chemical vapour deposition Methods 0.000 claims 1
- 238000010894 electron beam technology Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 238000005480 shot peening Methods 0.000 claims 1
Claims (4)
前記被膜は、複数のα−Ａｌ2Ｏ3の結晶粒を含んだα−Ａｌ2Ｏ3層を含み、
前記α−Ａｌ2Ｏ3層は、前記基材側に配置された下層部と、該下層部上に配置された中間部と、該中間部上に配置された上層部とを含み、
前記α−Ａｌ2Ｏ3層の厚みは、４〜１８μｍであり、
前記中間部の厚みは、前記α−Ａｌ2Ｏ3層の厚みの５０％以上を占め、
前記下層部および前記上層部の厚みはいずれも１μｍ以上である、表面被覆切削工具の製造方法であって、
前記基材を準備する工程と、
前記基材上にＣＶＤ法により被膜を形成する工程と、を含み、
前記被膜を形成する工程は、前記下層部を形成する工程と、前記中間部を形成する工程と、前記上層部を形成する工程と、を備え、
前記下層部を形成する工程および前記上層部を形成する工程では、ＡｌＣｌ 3 を０．５〜５体積％、ＨＣｌを２〜５体積％、ＣＯ 2 を０．３〜３体積％、Ｈ 2 Ｓを０．０５〜０．３体積％とし、残部をＨ 2 とした配合量の原料ガスが用いられ、
前記中間部を形成する工程では、ＡｌＣｌ 3 を０．５〜５体積％、ＨＣｌを１〜２体積％、ＣＯ 2 を０．３〜３体積％、Ｈ 2 Ｓを０．６〜１．５体積％とし、残部をＨ 2 とした配合量の原料ガスが用いられ、
前記被膜を形成する工程では、温度を９５０〜１０５０℃とし、圧力を１〜２０ｋＰａとし、ガス流量を１０〜１５０Ｌ／ｍｉｎとした条件のＣＶＤ装置が用いられる、表面被覆切削工具の製造方法。 A substrate and a coating formed on the substrate ;
The coating includes an α-Al 2 O 3 layer including a plurality of α-Al 2 O 3 crystal grains,
The α-Al 2 O 3 layer includes a lower layer portion disposed on the substrate side, an intermediate portion disposed on the lower layer portion, and an upper layer portion disposed on the intermediate portion ,
Thickness before Symbol α-Al 2 O 3 layer is 4～18Myuemu,
The thickness of the intermediate portion occupies 50% or more of the thickness of the α-Al 2 O 3 layer,
The thickness of the lower layer part and the upper layer part is 1 μm or more, and is a method for manufacturing a surface-coated cutting tool ,
Preparing the substrate;
Forming a film on the substrate by a CVD method,
The step of forming the coating includes the step of forming the lower layer portion, the step of forming the intermediate portion, and the step of forming the upper layer portion,
In the step of forming the lower layer portion and the step of forming the upper layer portion, AlCl 3 is 0.5 to 5% by volume, HCl is 2 to 5% by volume, CO 2 is 0.3 to 3 % by volume, and H 2 S. A raw material gas having a blending amount of 0.05 to 0.3% by volume and the balance being H 2 is used.
In the step of forming the intermediate portion, AlCl 3 is 0.5 to 5% by volume, HCl is 1 to 2% by volume, CO 2 is 0.3 to 3 % by volume, and H 2 S is 0.6 to 1.5 %. A raw material gas having a volume% and a balance of H 2 as the balance is used.
In the step of forming the coating film, a surface-coated cutting tool manufacturing method in which a CVD apparatus is used under the conditions of a temperature of 950 to 1050 ° C., a pressure of 1 to 20 kPa, and a gas flow rate of 10 to 150 L / min.
前記表面処理を行なう工程は、ブラシ処理、サンドブラスト処理、ウエットブラスト処理、ショットピーニング処理、ボンバード処理からなる群より選ばれる少なくとも１の処理が用いられる、請求項１または請求項２に記載の表面被覆切削工具の製造方法。The surface coating according to claim 1 or 2, wherein the step of performing the surface treatment uses at least one treatment selected from the group consisting of a brush treatment, a sand blast treatment, a wet blast treatment, a shot peening treatment, and a bombard treatment. Cutting tool manufacturing method.
前記中間部は、前記結晶方位マッピングにおいて、（００１）配向したα−ＡｌThe intermediate portion is a (001) -oriented α-Al in the crystal orientation mapping. 22 ＯO 3Three の結晶粒の面積比率が３５％以上となり、The area ratio of crystal grains becomes 35% or more,
前記上層部は、前記結晶方位マッピングにおいて、（００１）配向したα−ＡｌThe upper layer portion is formed of (001) -oriented α-Al in the crystal orientation mapping 22 ＯO 3Three の結晶粒の面積比率が３５％未満となる、請求項１から請求項３のいずれか１項に記載の表面被覆切削工具の製造方法。The method for producing a surface-coated cutting tool according to any one of claims 1 to 3, wherein an area ratio of the crystal grains is less than 35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016019747A JP6550661B2 (en) | 2016-02-04 | 2016-02-04 | Method of manufacturing surface coated cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016019747A JP6550661B2 (en) | 2016-02-04 | 2016-02-04 | Method of manufacturing surface coated cutting tool |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015558289A Division JP5884004B1 (en) | 2015-10-09 | 2015-10-09 | Surface coated cutting tool |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017071044A JP2017071044A (en) | 2017-04-13 |
| JP2017071044A5 true JP2017071044A5 (en) | 2018-06-07 |
| JP6550661B2 JP6550661B2 (en) | 2019-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016019747A Active JP6550661B2 (en) | 2016-02-04 | 2016-02-04 | Method of manufacturing surface coated cutting tool |
Country Status (1)
| Country | Link |
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| JP (1) | JP6550661B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210245260A1 (en) * | 2018-09-05 | 2021-08-12 | Kyocera Corporation | Coated tool and cutting tool |
| US20220032380A1 (en) * | 2019-02-19 | 2022-02-03 | Sumitomo Electric Hardmetal Corp. | Cutting tool |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006334754A (en) * | 2005-06-06 | 2006-12-14 | Mitsubishi Materials Corp | Surface coated cermet cutting tool with hard coated layer exhibiting excellent chipping resistance in high speed deep cutting |
| JP2007061922A (en) * | 2005-08-29 | 2007-03-15 | Mitsubishi Materials Corp | Surface coated cutting tool having hard coating layer exhibiting excellent chipping resistance in high-speed cutting |
| JP4747324B2 (en) * | 2005-12-05 | 2011-08-17 | 三菱マテリアル株式会社 | Surface coated cermet cutting tool whose hard coating layer exhibits excellent chipping resistance in high speed heavy cutting |
| JP5235449B2 (en) * | 2008-02-27 | 2013-07-10 | 京セラ株式会社 | Cutting tools |
| JP5488829B2 (en) * | 2010-09-15 | 2014-05-14 | 三菱マテリアル株式会社 | Surface coated cutting tool with excellent peeling resistance and wear resistance with excellent hard coating layer |
| JP5783061B2 (en) * | 2012-01-23 | 2015-09-24 | 三菱マテリアル株式会社 | A surface-coated cutting tool that exhibits excellent chipping and wear resistance with a high-speed heavy-cutting hard coating layer |
| KR101822514B1 (en) * | 2013-12-17 | 2018-01-26 | 쿄세라 코포레이션 | Coated tool |
| BR112016017381B1 (en) * | 2014-01-30 | 2022-03-08 | Sandvik Intellectual Property Ab | ALUMINA COATED CUTTING TOOL |
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- 2016-02-04 JP JP2016019747A patent/JP6550661B2/en active Active
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