CN206624917U - Cutter composite coating and the cutter with the composite coating - Google Patents
Cutter composite coating and the cutter with the composite coating Download PDFInfo
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- CN206624917U CN206624917U CN201621432114.4U CN201621432114U CN206624917U CN 206624917 U CN206624917 U CN 206624917U CN 201621432114 U CN201621432114 U CN 201621432114U CN 206624917 U CN206624917 U CN 206624917U
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- cutter
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Abstract
The utility model is applied to Cutting-Tool Coating Technology field, discloses a kind of cutter composite coating and the cutter with the composite coating.Cutter composite coating includes being coated on the basalis of cutter body and positioned at outermost top layer, the basalis is diamond layer or cbn layer, the thickness of the basalis is 1 to 40 μm, and the top layer is tetrahedral amorphous carbon film layer and thickness is 0.01 to 15 μm.The cutter includes tool matrix and above-mentioned cutter composite coating.Cutter composite coating provided by the utility model and the cutter with the composite coating, by depositing hardness height, the multi-layer nano composite coating that coefficient of friction is low, adhesion is good, heat-resisting quantity is good on hard alloy min-cutter surface, the anti-wear performance of min-cutter can be obviously improved, greatly reduce broken needle rate, and can avoids product from cutting knurl and blocks chip area problem.
Description
Technical field
The utility model belongs to Cutting-Tool Coating Technology field, more particularly to a kind of cutter composite coating and has the compound painting
The cutter of layer.
Background technology
With the development of economy and society, there is substantial amounts of graphite material, aluminium alloy, carbon fiber composite, gold in the market
Belong to the difficult-to-machine materials such as composite, ceramic substrate, higher requirement is proposed to cutter.Such material hardness is high first, firmly
The abrasion of matter alloy min-cutter is very big, and the life-span is very short；Secondly cutting edge easily forms product and cuts knurl, seriously reduces processing quality；Again
Secondary chip is easily blocked in the chip area of cutter, is caused dust discharge bad, is seriously reduced product quality.Due to non-coating micro-knife
Tool can not meet existing processing request, be badly in need of on new coating material application to min-cutter, to overcome this processing problem.
In order to improve the life-span of min-cutter and crudy, lot of domestic and international enterprise all carries out surface to min-cutter and changed
Property processing, such as chemical vapor deposition (CVD) and physical vapour deposition (PVD) (PVD), while the technology has been widely used in steel
Deng on intermetallic composite coating, the life-span of non-min-cutter can be lifted up to more than 2 times, but it is multiple in graphite material, aluminium alloy, Carbon fibe
The utilization of the difficult-to-machine materials such as condensation material, metallic composite, ceramic substrate is less, and urgent need exploitation new material solves this and asked
Topic.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of cutter composite coating and tool
There is the cutter of the composite coating, it can be obviously improved the anti-wear performance of min-cutter, and and can avoids product from cutting knurl and blocks chip removal
Groove problem.
The technical solution of the utility model is：A kind of cutter composite coating, including the basalis coated on cutter body and
Positioned at outermost top layer, the basalis is diamond layer or cbn layer, and the thickness of the basalis is 1 to 40 μ
M, the top layer is tetrahedral amorphous carbon film layer and thickness is 0.01 to 15 μm.
Alternatively, at least one layer of intermediate layer is additionally provided between the basalis and the top layer, the intermediate layer includes
Any one layer in transition zone and core layer, or, the intermediate layer includes the transition zone and core layer of stacking.
Alternatively, the transition zone is Me layers and thickness is 0.01 to 10 μm, and the core layer is MeX layers and thickness is
0.01 to 15 μm, wherein Me represents at least one in Al, Ti, Cr, V, Mn, Fe, Co, Ni, Cu, Zr and nonmetalloid Si
Kind, X represents one or both of N, C, B or three kinds.
Alternatively, the tetrahedral amorphous carbon film layer is by the tetrahedral amorphous carbon film layer that is formed for C element, by 50% to
90% sp3 keys carbon atom is formed for skeleton.
Alternatively, the thickness of the basalis is 4 to 20 μm.
Alternatively, the thickness of the core layer is 0.1 to 5 μm.
Alternatively, the thickness of tetrahedral amorphous carbon film can be 0.05 to 7 μm.
Alternatively, the thickness of the tetrahedral amorphous carbon film layer is 0.05 to 5 μm.
The utility model additionally provides a kind of cutter, and the cutter includes tool matrix, the part table of the tool matrix
Face or all surfaces are provided with above-mentioned cutter composite coating.
Alternatively, the sword footpath of the tool matrix is 0.02 to 0.5mm.
Cutter composite coating provided by the utility model and the cutter with the composite coating, by micro- in hard alloy
Type tool surface deposits hardness height, the multi-layer nano composite coating that coefficient of friction is low, adhesion is good, heat-resisting quantity is good, is adding
, can be notable during the difficult-to-machine materials such as work graphite material, aluminium alloy, carbon fiber composite, metallic composite, ceramic substrate
The anti-wear performance of min-cutter is lifted, greatly reduces broken needle rate, lifting min-cutter service life is improved to 4 to 20 times, and can
Avoid product from cutting knurl and block chip area problem.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is the plane enlarged diagram for the cutter composite coating that the utility model embodiment provides；
Fig. 2 is the Raman spectrum point of tetrahedral amorphous carbon film layer in the cutter composite coating that the utility model embodiment provides
Analysis figure；
Fig. 3 be the utility model embodiment provide cutter composite coating in tetrahedral amorphous carbon film layer nano hardness with
The change curve of compression distance.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
It should also be noted that, the orientation term such as left and right, upper and lower in the utility model embodiment, is only relative each other
Concept or using the normal operating condition of product as reference, and should not be regarded as restrictive.
As depicted in figs. 1 and 2, a kind of cutter composite coating that the utility model embodiment provides, including coated on cutter
The basalis 1 of body and positioned at outermost top layer 4, the basalis 1 are diamond layer or cbn layer, the substrate
The thickness of layer 1 is 1 to 40 μm, and the top layer 4 is tetrahedral amorphous carbon film layer and thickness is 0.01 to 15 μm, the four sides of top layer 4
The nano hardness of body amorphous carbon-film (DLC of ta-c structures) is up to 40 to 80Gpa, can use physical vapour deposition (PVD) side
Formula prepares tetrahedral amorphous carbon film, improves the adhesion of tetrahedral amorphous carbon film and matrix, is additionally, since the tetrahedron of top layer 4
The coefficient of friction of amorphous carbon-film can be less than 0.1, and its hardness is high and coefficient of friction is small, by hard alloy min-cutter surface
Deposit that hardness is high, the multi-layer nano composite coating that coefficient of friction is low, adhesion is good, heat-resisting quantity is good, processing graphite material,
During the difficult-to-machine materials such as aluminium alloy, carbon fiber composite, metallic composite, ceramic substrate, micro-knife can be obviously improved
The anti-wear performance of tool, greatly reduces broken needle rate, and lifting min-cutter service life is improved to 4 to 20 times, can be obviously improved micro-
The anti-wear performance of type cutter, and can avoid product from cutting knurl and block chip area problem.
In concrete application, the thickness of tetrahedral amorphous carbon film can be 0.05 to 10 μm, it is preferable that tetrahedral amorphous carbon film
Thickness can be 0.05 to 7 μm, in the present embodiment, the thickness of tetrahedral amorphous carbon film can be 0.05 to 5 μm, for example, 0.1
To 5 μm.
In concrete application, at least one layer of intermediate layer, the centre are additionally provided between the basalis 1 and the top layer 4
Layer includes at least one layer in transition zone 2 and core layer 3, or, the intermediate layer includes the He of transition zone 2 of at least one set of stacking
Core layer 3；The structure that transition zone 2- core layer 3- transition zone 2- core layers 3 stack gradually can be included.
The transition zone 2 is Me layers and thickness is 0.01 to 10 μm, the core layer 3 be MeX layers and thickness be 0.01 to
15 μm, wherein Me represents at least one of Al, Ti, Cr, V, Mn, Fe, Co, Ni, Cu, Zr and nonmetalloid Si, and X is represented
N, one or both of C, B or three kinds.The tetrahedral amorphous carbon film layer is by the tetrahedral amorphous carbon film that is formed for C element
Layer, is made up of, it is preferable that tetrahedral amorphous carbon film layer is by 40% to 90% 40% to 95% sp3 key carbon atoms for skeleton
Sp3 keys carbon atom is formed for skeleton, and in the present embodiment, tetrahedral amorphous carbon film layer is by 50% to 90% sp3 key carbon atoms
Skeleton is formed.
Specifically, the Raman spectrum analysis of tetrahedral amorphous carbon film layer (Ta-C), such as Fig. 2.
By Raman spectrum analysis, ID the and IG values of Ta-C films are determined, ID expression Diamond peak intensities, wave number is 1300
To 1400 (such as 1340 or left and right)；IG represents Graphite peak intensities, and wave number is (such as 1580 or left 1500 to 1600
It is right).The intensity at ID peaks represents the content of Sp3 keys to a certain extent.Approximating method uses Gaussian function fitting, peak and horizontal seat
Target area represents sp2 or sp3 key component contents.
In the present embodiment, the coating is simple metal Me layers close to the prime coat of base material, and thickness is 10 to 100nm；Transition
Layer 2 is MeX layers, thickness 80 to 300nm；Core layer 3 is MeAlX composite beds, and thickness is 0.4 to 5.0 μm；Top layer 4 is tied for ta-c
The DLC (tetrahedral amorphous carbon film layer) of structure, 0.05 to 5.0 μm of thickness.
The utility model embodiment additionally provides a kind of cutter, and the cutter includes tool matrix, the sword footpath of tool matrix
Can be 0.02 to 0.5mm.The part surface or all surfaces of the tool matrix are provided with above-mentioned cutter composite coating.It is logical
Cross and hardness height, the multi-layer nano that coefficient of friction is low, adhesion is good, heat-resisting quantity is good are deposited on hard alloy min-cutter surface
Composite coating, in the difficult processing material such as processing graphite material, aluminium alloy, carbon fiber composite, metallic composite, ceramic substrate
During material, the anti-wear performance of min-cutter can be obviously improved, greatly reduce broken needle rate, lifting min-cutter service life improve to
4 to 20 times, while and can ensures processing quality, significantly lifts processing efficiency, reduces production cost.
The utility model embodiment also provides a kind of preparation method of cutter composite coating, is answered available for above-mentioned cutter is prepared
Coating and cutter are closed, is comprised the following steps：
(1) basalis 1 is prepared：Tool matrix is put into CVD equipment, by CVD equipment in the surface shape of tool matrix
Into basalis 1, the first semi-finished product are obtained；The basalis 1 can be diamond layer or cbn layer.
(2) tetrahedral amorphous carbon film layer is prepared：Tool matrix with basalis 1 is put into physical vapor equipment most
Outside forms tetrahedral amorphous carbon film layer, and carbon target is provided with physical vapor equipment, to form tetrahedron in the outermost layer of coating
Amorphous carbon film layer.
Specifically, before preparing after the basalis 1 and preparing the tetrahedral amorphous carbon film layer, the preparation method
Also include at least one step in following two steps：
(1) transition zone 2 is prepared：First semi-finished product are put into PVD composite coating equipment, opening metal steam-to-vacuum
Arc source, Me ion implantings, Me ion implantings to the surface of the first semi-finished product are carried out, then arc ion plating (aip) is first
The surface deposition Me transition zones 2 of semi-finished product, the Me represents Al, Ti, Cr, V, Mn, Fe, Co, Ni, Cu, Zr, nonmetalloid
At least one of Si obtains the second semi-finished product；
(2) core layer 3 is prepared：Second semi-finished product or the first semi-finished product are put into arc ion plating apparatus, are passed through
Gas containing at least one of N, C, B element, target used in arc ion plating apparatus is Me targets, using arc ion plating skill
Art deposits on the transition zone 2 and forms MeX core layers 3 and obtain the 3rd semi-finished product, the X represent one kind in N, C, B or
Two or three；Tetrahedral amorphous carbon film layer is deposited in core layer 3 again, or, continue to deposit transition zone 2 in core layer 3
And continue to deposit core layer 3 on transition zone 2, finally, then the outermost formation tetrahedral amorphous carbon film layer in coating.
Specifically, the transition zone 2 is Me layers and thickness can be 0.01 to 10 μm；The core layer 3 is that MeX layers are
0.01 to 15 μm, the thickness of the tetrahedral amorphous carbon film layer is 0.01 to 15 μm.
Specifically, the thickness of the basalis 1 can be 4 to 20 μm, and the transition zone 2 is Me layers and thickness can be 0.1 to 3
μm；The thickness of the core layer 3 can be 0.1 to 5 μm, and the thickness of the tetrahedral amorphous carbon film layer is 0.05 to 5 μm.
Specifically, the gas being passed through can be CH4、N2Mixed gas, CH4The flow 0 of gas is to 100sccm, N2's
Flow 0 is to 100sccm, the arc current 50 of arc ion plating apparatus to 100A, pulsed bias peak value -100 to -300V, dutycycle
30% to 50%.
The cutter composite coating that the utility model embodiment is provided and the cutter with the composite coating, using CVD side
Legal system makees basalis 1 (diamond coatings or cbn layer), and it is big to be primarily due to HF CVD method batch, can be multiple
Miscellaneous tool surface uniform deposition basalis 1, such as Fig. 1, Raman spectrograms show that the layer is diamond.
When preparing intermediate layer (transition zone 2), produced by using high current metallic vapour vacuum arc ion gun (MEVVA sources)
Raw Me plasmas carry out ion implanting and cleaning, change the physical and chemical performance on min-cutter surface.First, ion gun produces
When raw energetic ion hits tool surface, energetic ion produces strong sputtering to cutter and acted on, and can remove absorption in knife
Have the impurity such as gas, liquid and the dust on surface, provide extremely clean surface for the deposition of hard coat, strengthen min-cutter
With the adhesion of follow-up hard coat；Secondly, energetic ion produces strong collision and cascade collision on tool matrix surface,
The part energetic ion substitution original atom of tool matrix, changes the chemical composition of tool surface, one layer of mixing is formed on surface
Interface, the mixed interface had both improved the mechanical properties such as the intensity of tool surface, hardness, at the same can also strengthen hard coat with
The adhesion of tool matrix.
By using arc ion plating (aip) deposited metal Me transition zones 2 and MeX core layers 3, negative electrode mainly make use of
The characteristics of arc ion plating ionization level is high, it can further improve the adhesion of coating and base material；By using novel physical gas
Phase technology prepares tetrahedral amorphous carbon film, improves the adhesion of tetrahedral amorphous carbon film and matrix so that tetrahedral amorphous carbon
The thickness of film can increase to 5 μm or more.
The diamond prepared by method provided by the utility model /Me/MeX/ tetrahedral amorphous carbon films, the four sides of top layer 4
The nano hardness of body amorphous carbon-film is up to 40 to 80GPa, such as Fig. 3；The coefficient of friction of the tetrahedral amorphous carbon film of top layer 4 is less than 0.1；
Core layer 3MeX nano hardness is up to 30 to 45Gpa or higher, while is more than 130N with the adhesion of cemented carbide base material.Top
The nano hardness of the tetrahedral amorphous carbon film (DLC of ta-c structures) of layer 4 is up to 40 to 80Gpa, can use physics gas
Phase depositional mode prepares tetrahedral amorphous carbon film, improves the adhesion of tetrahedral amorphous carbon film and matrix, is additionally, since top layer
The coefficient of friction of 4 tetrahedral amorphous carbon films can be less than 0.1, and its hardness is high and coefficient of friction is small, by miniature in hard alloy
Tool surface deposits hardness height, the multi-layer nano composite coating that coefficient of friction is low, adhesion is good, heat-resisting quantity is good, is processing
During the difficult-to-machine materials such as graphite material, aluminium alloy, carbon fiber composite, metallic composite, ceramic substrate, can significantly it carry
The anti-wear performance of min-cutter is risen, greatly reduces broken needle rate, lifting min-cutter service life is improved to 4 to 20 times, and and can is kept away
Exempt from product to cut knurl and block chip area problem.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent substitution or improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of cutter composite coating, it is characterised in that including the basalis coated on cutter body and positioned at outermost top
Layer, the basalis are diamond layer or cbn layer, and the thickness of the basalis is 1 to 40 μm, and the top layer is four
Face body amorphous carbon film layer and thickness are 0.01 to 15 μm.
2. cutter composite coating as claimed in claim 1, it is characterised in that also set up between the basalis and the top layer
There is at least one layer of intermediate layer, the intermediate layer includes any one layer in transition zone and core layer, or, the intermediate layer includes
The transition zone and core layer of stacking.
3. cutter composite coating as claimed in claim 2, it is characterised in that the transition zone be Me layers and thickness be 0.01 to
10 μm, the core layer is MeX layers and thickness is 0.01 to 15 μm, wherein Me represent Al, Ti, Cr, V, Mn, Fe, Co, Ni, Cu,
At least one of Zr and nonmetalloid Si, X represent one or both of N, C, B or three kinds.
4. cutter composite coating as claimed in claim 1, it is characterised in that the tetrahedral amorphous carbon film layer is by for C element
The tetrahedral amorphous carbon film layer of composition, it is made up of 50% to 90% sp3 key carbon atoms for skeleton.
5. cutter composite coating as claimed in claim 1, it is characterised in that the thickness of the basalis is 4 to 20 μm.
6. cutter composite coating as claimed in claim 2, it is characterised in that the thickness of the core layer is 0.1 to 5 μm.
7. the cutter composite coating as any one of claim 1 to 6, it is characterised in that the thickness of tetrahedral amorphous carbon film
Degree can be 0.05 to 7 μm.
8. the cutter composite coating as any one of claim 1 to 6, it is characterised in that the tetrahedral amorphous carbon film
The thickness of layer is 0.05 to 5 μm.
9. a kind of cutter, it is characterised in that the cutter includes tool matrix, the part surface of the tool matrix or whole tables
Face is set just like the cutter composite coating any one of claim 1 to 8.
10. cutter as claimed in claim 9, it is characterised in that the sword footpath of the tool matrix is 0.02 to 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432114.4U CN206624917U (en) | 2016-12-23 | 2016-12-23 | Cutter composite coating and the cutter with the composite coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432114.4U CN206624917U (en) | 2016-12-23 | 2016-12-23 | Cutter composite coating and the cutter with the composite coating |
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| Publication Number | Publication Date |
|---|---|
| CN206624917U true CN206624917U (en) | 2017-11-10 |
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ID=60212394
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621432114.4U Active CN206624917U (en) | 2016-12-23 | 2016-12-23 | Cutter composite coating and the cutter with the composite coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937914A (en) * | 2017-11-27 | 2018-04-20 | 浙江工业大学 | A kind of method that diamond thin is prepared on the novel transition layer of stainless steel surface |
| CN109706445A (en) * | 2018-12-13 | 2019-05-03 | 郑州机械研究所有限公司 | A kind of bilayer rotary tillage cutter wear-resistant coating |
| CN111455311A (en) * | 2020-04-12 | 2020-07-28 | 江苏利宇剃须刀有限公司 | Preparation process of multilayer nano composite tetrahedral amorphous carbon film |
-
2016
- 2016-12-23 CN CN201621432114.4U patent/CN206624917U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937914A (en) * | 2017-11-27 | 2018-04-20 | 浙江工业大学 | A kind of method that diamond thin is prepared on the novel transition layer of stainless steel surface |
| CN109706445A (en) * | 2018-12-13 | 2019-05-03 | 郑州机械研究所有限公司 | A kind of bilayer rotary tillage cutter wear-resistant coating |
| CN111455311A (en) * | 2020-04-12 | 2020-07-28 | 江苏利宇剃须刀有限公司 | Preparation process of multilayer nano composite tetrahedral amorphous carbon film |
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