CN210287481U - Cutter coating for die steel processing - Google Patents
Cutter coating for die steel processing Download PDFInfo
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- CN210287481U CN210287481U CN201920489069.3U CN201920489069U CN210287481U CN 210287481 U CN210287481 U CN 210287481U CN 201920489069 U CN201920489069 U CN 201920489069U CN 210287481 U CN210287481 U CN 210287481U
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Abstract
The utility model provides a cutter coating for processing die steel, which comprises a cutter substrate, wherein the surface of the cutter substrate is a CrN embedding layer, the surface of the CrN embedding layer is coated with a coating of a nanometer high-hardness oxidation resistant layer and a nanometer superhard wear layer in a deposition manner, and the nanometer high-hardness oxidation resistant layer and the nanometer superhard wear layer are multilayer composite coatings; the surface of the cutter substrate is deposited with a CrN embedded layer, the surface is deposited and coated with a coating of a nano high-hardness oxidation resistant layer and a nano superhard wear layer, and the nano high-hardness oxidation resistant layer and the nano superhard wear layer are multi-layer nano-structure composite coatings of 200-plus-400 layers, so that the composite coatings have good oxidation resistance and wear resistance, meet the requirements of high-hardness oxidation resistance and superhard wear resistance of the cutter, and increase the service function and the service life of the cutter.
Description
Technical Field
The utility model relates to a coating film technical field, more specifically say and indicate a cutter coating is used in mould steel processing.
Background
With the ever-increasing market for molds, the demand for mold knives is also increasing. However, the processing difficulty of the die steel material is high, and particularly, the traditional uncoated cutter can not meet the new processing requirement for the middle-high die steel material. The coated cutting tool with one or more layers of non-metallic compound films with high hardness and good wear resistance is coated on a high-speed steel or hard alloy cutting tool substrate, combines the advantages of high strength and toughness of the substrate and high hardness and wear resistance of the coating, reduces the friction coefficient between the cutting tool and a workpiece, and improves the wear resistance of the cutting tool without reducing the toughness of the substrate. Therefore, the cutter coating technology is a key technology for solving the problem of processing of die steel materials, and the coating is required to have good wear resistance, high hardness, good thermal stability and good high-temperature oxidation resistance.
At present, domestic high-performance coated cutters mainly depend on import, surface treatment technologies of domestic manufacturers are relatively laggard, and medium-end and low-end coated cutters are mainly produced and cannot meet the use requirements of existing difficult-to-process materials. The coating deposited by the prior art in China is difficult to be compatible with good oxidation resistance and high hardness, and can not meet the requirements of oxidation resistance and wear resistance of the cutter.
Therefore, there is a need to develop a die steel blade coating.
Disclosure of Invention
The utility model aims to solve the technical problem that a cutter coating is used in mould steel processing is provided, optimizes the structure of coating surface treatment technique, has the multilayer structure composite coating of high rigidity, high wear resistance at the cutter surface deposit for the mould steel processing, improves the processing property of cutter.
And a nano multi-layer composite coating formed by circularly depositing the nano super-hard wear-resistant layer.
Preferably, the number of the multilayer composite coating is 200-400 layers.
Preferably, the nano high-hardness anti-oxidation layer comprises: 4-7 elements of Cr, Al, V, Y, Si, O and N.
Preferably, the nano ultra hard abrasive layer comprises: ti, Al, Nb, Si, N, etc.
Preferably, the CrN embedded layer is deposited by multi-arc ion plating to a thickness of 0.2 μm.
Preferably, the multilayer composite coating is deposited by means of unbalanced magnetron sputtering.
Preferably, the tool base body is a high speed steel or cemented carbide tool base body.
Preferably, the thickness of the nanometer high-hardness oxidation resistance layer is 3-6nm, and the hardness is 35 GPa.
Preferably, the nano superhard wear layer has a thickness of 3-6nm and a hardness of 40 GPa.
Compared with the prior art, the utility model beneficial effect be: the surface of a cutter substrate is deposited with a CrN embedded layer, the surface is deposited and coated with a coating of a nano high-hardness oxidation resistant layer and a nano superhard wear layer, the nano high-hardness oxidation resistant layer and the nano superhard wear layer are multi-layer nano-structure composite coatings of 200-plus-400 layers, and the coating has good oxidation resistance and good wear resistance. The high-hardness oxidation resistance and the superhard wear resistance of the cutter are met, the service function of the cutter is improved, and the service life of the cutter is prolonged.
Drawings
FIG. 1 is a schematic structural view of a multilayer composite coating of a tool substrate according to an embodiment of the present invention;
fig. 2 is a schematic view of the working principle of the embodiment of the present invention.
Reference numerals
101. A tool base; 102. a CrN embedded layer; 103. a nano high-hardness anti-oxidation layer; 104. a nano superhard wear layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the specific embodiment of the present invention includes a tool base 101, the surface of the tool base 101 is a CrN embedded layer 102, the surface of the CrN embedded layer 102 is deposited with a coating of a nano high-hardness oxidation resistant layer 103 and a nano ultra-hard wear resistant layer 104, and the nano high-hardness oxidation resistant layer 103 and the nano ultra-hard wear resistant layer 104 are a multi-layer composite coating.
Further, the multilayer composite coating is a nano multilayer composite coating formed by circularly depositing a nano high-hardness oxidation resistant layer 103 and a nano ultra-hard wear-resistant layer 104.
Further, the number of the multi-layer composite coating is 200-400 layers.
Further, the nano high hardness oxidation resistant layer 103 includes: 4-7 elements of Cr, Al, V, Y, Si, O and N are high-hardness anti-oxidation layers.
Further, the nano ultra-hard abrasive layer 104 comprises: ti, Al, Nb, Si, N, etc.
Further, the CrN embedded layer 102 was deposited by multi-arc ion plating to a thickness of 0.2 μm.
Further, the multilayer composite coating is deposited by an unbalanced magnetron sputtering device. The defects of the traditional balanced magnetron sputtering equipment are partially overcome by the occurrence of unbalanced magnetron sputtering, the plasma on the cathode target surface is led to the range of 200-300 mm in front of the sputtering target, so that the substrate is immersed in the plasma, on one hand, sputtered atoms and particles are deposited on the surface of the substrate to form a film, and on the other hand, the plasma bombards the substrate with certain energy to play a role in ion beam assisted deposition, and the quality of the film is greatly improved. The quality of the multilayer composite coating is ensured.
Further, the tool base 101 is a high speed steel or cemented carbide tool base 101. Can be suitable for surface treatment of the CrN embedded layer 102.
Further, the nanometer high-hardness oxidation resistant layer 103 is 3-6nm thick and 35GPa in hardness.
Further, the thickness of the nano ultra-hard wear layer 104 is 3-6nm, and the hardness is 40 GPa.
As shown in fig. 2, the specific working principle of the present invention has the following processes:
s01, removing microscopic notches on the surface of the cutter base body 101 through wet sand blasting;
s02, removing dirt on the surface of the cutter base body 101 by ultrasonic cleaning;
s03, etching and activating the surface of the cutter by metal ions;
s04, depositing a CrN embedded layer 102 to improve the binding force of the coating;
s05, depositing a nano high-hardness oxidation resisting layer 103;
s06, depositing a nano super-hard wear-resistant layer 104;
s07, depositing a plurality of layers of nano high-hardness oxidation resisting layers 103 and nano super-hard wear resisting layers 104 respectively, and circulating 200 layers and 400 layers.
The utility model discloses a at cutter base member 101 surface deposit CrN embedding layer 102, scribble the coating of nanometer high hardness oxidation resisting layer 103 and nanometer superhard wearing layer 104 at the surface deposit, nanometer high hardness oxidation resisting layer 103 and nanometer superhard wearing layer 104 are 200 and become 400 layers's multilayer nanometer structure composite coating, and this coating has good oxidation resistance and good wear resistance. The high-hardness oxidation resistance and the superhard wear resistance of the cutter are met, the service function of the cutter is improved, and the service life of the cutter is prolonged.
The above description is only a preferred embodiment of the present patent, and not intended to limit the scope of the present patent, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the specification and the drawings, and which are directly or indirectly applied to other related technical fields, belong to the scope of the present patent protection.
Claims (8)
1. The utility model provides a cutter coating is used in processing of mould steel which characterized in that: the composite cutting tool comprises a tool base body, wherein the surface of the tool base body is a CrN embedded layer, the surface of the CrN embedded layer is deposited and coated with a coating of a nano high-hardness oxidation resistant layer and a nano superhard wear layer, and the nano high-hardness oxidation resistant layer and the nano superhard wear layer are multilayer composite coatings.
2. The tool coating for die steel machining according to claim 1, characterized in that: the multilayer composite coating is a nano multilayer composite coating formed by circularly depositing a nano high-hardness oxidation resistant layer and a nano super-hard wear-resistant layer.
3. The tool coating for die steel machining according to claim 1, characterized in that: the number of the multilayer composite coating is 200-400 layers.
4. The tool coating for die steel machining according to claim 1, characterized in that: the CrN embedded layer is deposited by multi-arc ion plating and has a thickness of 0.2 mu m.
5. The tool coating for die steel machining according to claim 1, characterized in that: the multilayer composite coating is deposited by means of unbalanced magnetron sputtering.
6. The tool coating for die steel machining according to claim 1, characterized in that: the cutter base body is made of high-speed steel or hard alloy.
7. The tool coating for die steel machining according to claim 1, characterized in that: the thickness of the nanometer high-hardness oxidation resistant layer is 3-6nm, and the hardness is 35 GPa.
8. The tool coating for die steel machining according to claim 1, characterized in that: the thickness of the nano superhard wear-resistant layer is 3-6nm, and the hardness is 40 GPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489069.3U CN210287481U (en) | 2019-04-11 | 2019-04-11 | Cutter coating for die steel processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489069.3U CN210287481U (en) | 2019-04-11 | 2019-04-11 | Cutter coating for die steel processing |
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| Publication Number | Publication Date |
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| CN210287481U true CN210287481U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920489069.3U Expired - Fee Related CN210287481U (en) | 2019-04-11 | 2019-04-11 | Cutter coating for die steel processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059029A (en) * | 2021-11-18 | 2022-02-18 | 西华大学 | Cr/CrN/NbN/NbXN rare earth superlattice coating for high-temperature alloy processing and preparation method thereof |
-
2019
- 2019-04-11 CN CN201920489069.3U patent/CN210287481U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059029A (en) * | 2021-11-18 | 2022-02-18 | 西华大学 | Cr/CrN/NbN/NbXN rare earth superlattice coating for high-temperature alloy processing and preparation method thereof |
| CN114059029B (en) * | 2021-11-18 | 2023-05-09 | 西华大学 | Cr/CrN/NbN/NbXN rare earth superlattice coating for high-temperature alloy processing and preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210411 |