CN206438165U - Coated cutting tool - Google Patents
Coated cutting tool Download PDFInfo
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- CN206438165U CN206438165U CN201621384549.6U CN201621384549U CN206438165U CN 206438165 U CN206438165 U CN 206438165U CN 201621384549 U CN201621384549 U CN 201621384549U CN 206438165 U CN206438165 U CN 206438165U
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- layer
- cutting tool
- cutter hub
- coated cutting
- substrate cutter
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Abstract
The utility model provides a kind of coated cutting tool, including substrate cutter hub and the transition zone, cbn layer and the lubricating layer that are set in turn in the substrate cutter hub surface；The transition zone is titanium layer, nickel dam or titanium nickel metal composite layer；The lubricating layer is class graphite linings, layer of molybdenum-disulfide or class graphite molybdenum disulfide composite bed.The coating knife Stability Analysis of Structures, greasy property are good, have a good application prospect.
Description
Technical field
The utility model is related to cutting element field, and in particular to a kind of coated cutting tool.
Background technology
With the development of modern mechanical processing industry, the performance to cutting element proposes higher requirement.It is existing
In technology, generally by coating the composite coating that one or more layers hardness is high, wearability is good on tool matrix so that matrix
High intensity, the high rigidity of high tenacity and coating, high-wearing feature are combined, so as to improve the wearability of cutting element.Wherein, cube
Boron nitride coating have larger chemical inertness to Ferrious material member because having high rigidity, high-wearing feature and good red hardness,
Therefore cubic boron nitride coating is widely used as coating material.However, being deposited between cubic boron nitride coating and hard alloy substrate
In the unmatched phenomenon such as hardness, modulus of elasticity and thermal coefficient of expansion, in spraying process, cubic boron nitride coating and matrix
Combination interface can produce residual stress, cause the adhesion of cubic boron nitride coating and hard alloy substrate not strong, apply interlayer and hold
Crackle is also easy to produce, coating stripping phenomenon is also easy to produce in use, coated cutting tool quality and service life is have impact on.And
And because the friction factor of cubic boron nitride coating surface is larger, greasy property is poor, easy to wear.
Utility model content
The purpose of this utility model is in view of the shortcomings of the prior art, so that it is good to provide a kind of Stability Analysis of Structures, greasy property
Good coated cutting tool.
A kind of coated cutting tool, including substrate cutter hub and the transition zone, cube nitrogen that are set in turn in the substrate cutter hub surface
Change boron layer and lubricating layer；The lubricating layer is class graphite linings, layer of molybdenum-disulfide or class graphite-molybdenum disulfide composite bed.
Based on above-mentioned, the transition zone is titanium layer, nickel dam or titanium nickel metal composite layer.
Based on above-mentioned, the transition zone is sprayed on the substrate cutter hub, and the thickness of the transition zone by flame spraying
Spend for 2~8 μm.
Based on above-mentioned, the cbn layer is sprayed on the transition zone by plasma spraying method, and described vertical
The thickness of square boron nitride layer is 20~50 μm.
Based on above-mentioned, the lubricating layer is to be deposited on by sputtering method on cbn layer, and the thickness of the lubricating layer
Spend for 2~8 μm.
Based on above-mentioned, the substrate cutter hub is high-speed steel or hard alloy.
Based on above-mentioned, institute's substrate cutter hub is shaped as triangle, square, rhombus or circle.
Based on above-mentioned, the center of the substrate cutter hub opens up positioning hole.
Based on above-mentioned, the substrate cutter hub is non-porous substrate cutter hub.
Wherein, the class graphite-molybdenum disulfide composite bed is the composite bed that class graphite and molybdenum disulfide are mixed to form；It is described
Titanium nickel metal composite layer is the metal composite layer that titanium and nickel are mixed to form.
The utility model compared with the prior art have substantive distinguishing features and progress, specifically, the utility model have with
Lower advantage：
1. described in coated cutting tool include substrate cutter hub and be sprayed at transition zone, the cubic boron nitride of the substrate cutter hub successively
Layer and lubricating layer；The lubricating layer be class graphite linings, layer of molybdenum-disulfide or class graphite-layer of molybdenum-disulfide composite bed, can be effective
Frictional force of the coated cutting tool in working angles is reduced, heating is reduced and weares and teares, increases the life-span of the coated cutting tool, and
And dry and wet cutting can be met, it is beneficial to environmental protection.
2. described in transition zone the substrate cutter hub is sprayed on by flame spraying, the cbn layer with cross etc. from
Sub- spraying process is applied on the transition zone, and the transition zone is titanium layer nickel, layer or titanium nickel metal composite layer, and it can effectively weaken
The internal stress of the cbn layer, making the combination of the cbn layer and the substrate cutter hub strengthens, it is to avoid coating
In crack；The cbn layer has the advantages that high rigidity, high-wearing feature simultaneously, can effectively improve the coating
The mechanical performance of cutter.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1 in the utility model；
Fig. 2 is the sectional view along A-A in Fig. 1；
Fig. 3 is the structural representation of embodiment 2 in the utility model；
Fig. 4 is the sectional view along B-B in Fig. 2.
In figure：1. substrate cutter hub；2. transition zone；3. cbn layer；4. lubricating layer；5. substrate cutter hub；6. nickel dam；7.
Cbn layer；8. layer of molybdenum-disulfide.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
Embodiment 1
The present embodiment provides a kind of coated cutting tool, as shown in Figure 1 and Figure 2, the coated cutting tool include substrate cutter hub 1 and according to
Secondary transition zone 2, cbn layer 3 and the lubricating layer 4 for being sprayed at the surface of substrate cutter hub 1；The substrate cutter hub 1 is at a high speed
Steel, and rhombus is shaped as, its center is provided with positioning hole；The transition zone 2 is the titanium layer that thickness is 2 μ m-thicks, and it is sprayed by flame
The method of painting is sprayed on the substrate cutter hub 1；The thickness of the cbn layer 3 is 15 μm and passes through plasma spraying method
It is sprayed on the transition zone 2；The transition zone 2 can effectively weaken the internal stress of the cbn layer 3, make described vertical
The combination enhancing of square boron nitride layer 3 and the substrate cutter hub 1, it is to avoid cracked in coating, while the cbn layer 1
There is high rigidity, high-wearing feature, the mechanical performance of the coated cutting tool can be effectively improved；The cbn layer
2 μm of the graphite linings deposited on 3 by magnetron sputtering method are used as the lubricating layer 4, can effectively reduce the coated cutting tool and exist
Frictional force in working angles, reduces heating and weares and teares, increase the life-span of the coated cutting tool, while dry and wet cutting can be met
Cut, be beneficial to environmental protection.
Embodiment 2
The present embodiment provides a kind of coated cutting tool, and the present embodiment and the difference of embodiment 1 are：Such as Fig. 3, Fig. 4 institute
Show, the substrate cutter hub 5 is hard alloy, and is shaped as non-porous square；The transition zone is the nickel dam that thickness is 8 μm；It is described
The thickness of cbn layer 7 is 30 μm；The lubricating layer is the layer of molybdenum-disulfide that thickness is 8 μm.
Embodiment 3
The present embodiment provides a kind of coated cutting tool, and the present embodiment and the difference of embodiment 1 are：The substrate cutter hub
For circle；The transition zone 2 is the titanium nickel metal composite layer that thickness is 6 μm；The lubricating layer 4 is the class stone that thickness is 5 μm
Ink-molybdenum disulfide composite bed.
Embodiment 4
The present embodiment provides a kind of coated cutting tool, and the present embodiment and the difference of embodiment 1 are：The substrate cutter hub
For triangle, the transition zone 2 is the nickel dam that thickness is 5 μm；The thickness of the cbn layer 3 is 20 μm；The profit
Slip layer 4 is the layer of molybdenum-disulfide that thickness is 5 μm.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Still embodiment of the present utility model can be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (9)
1. a kind of coated cutting tool, it is characterised in that：It includes substrate cutter hub and is set in turn in the mistake on the substrate cutter hub surface
Cross layer, cbn layer and lubricating layer；The lubricating layer is that class graphite linings, layer of molybdenum-disulfide or class graphite-molybdenum disulfide are multiple
Close layer.
2. coated cutting tool according to claim 1, it is characterised in that：The transition zone is titanium layer, nickel dam or titanium nickel metal
Composite bed.
3. coated cutting tool according to claim 1 or 2, it is characterised in that：The transition zone is sprayed by flame spraying
It it is 2~8 μm in the thickness of the substrate cutter hub, and the transition zone.
4. coated cutting tool according to claim 3, it is characterised in that：The cbn layer passes through plasma spraying method
It is sprayed on the transition zone, and the thickness of the cbn layer is 20~50 μm.
5. coated cutting tool according to claim 4, it is characterised in that：The thickness of the lubricating layer is 2~8 μm.
6. the coated cutting tool according to claim 4 or 5, it is characterised in that：The substrate cutter hub is that high-speed steel or hard are closed
Gold.
7. coated cutting tool according to claim 6, it is characterised in that：Institute's substrate cutter hub is shaped as triangle, square, water chestnut
Shape or circle.
8. coated cutting tool according to claim 7, it is characterised in that：The center of the substrate cutter hub opens up positioning hole.
9. coated cutting tool according to claim 7, it is characterised in that：The substrate cutter hub is non-porous substrate cutter hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384549.6U CN206438165U (en) | 2016-12-16 | 2016-12-16 | Coated cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384549.6U CN206438165U (en) | 2016-12-16 | 2016-12-16 | Coated cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206438165U true CN206438165U (en) | 2017-08-25 |
Family
ID=59648292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384549.6U Active CN206438165U (en) | 2016-12-16 | 2016-12-16 | Coated cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206438165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541102A (en) * | 2019-08-30 | 2019-12-06 | 广东技术师范大学 | A kind of coated gradient cemented carbide cutting tool directly coated with CBN coating and its preparation method |
-
2016
- 2016-12-16 CN CN201621384549.6U patent/CN206438165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541102A (en) * | 2019-08-30 | 2019-12-06 | 广东技术师范大学 | A kind of coated gradient cemented carbide cutting tool directly coated with CBN coating and its preparation method |
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