CN206617243U - A kind of cylindrical doctor blade ring for being coated with composite coating - Google Patents
A kind of cylindrical doctor blade ring for being coated with composite coating Download PDFInfo
- Publication number
- CN206617243U CN206617243U CN201720321728.3U CN201720321728U CN206617243U CN 206617243 U CN206617243 U CN 206617243U CN 201720321728 U CN201720321728 U CN 201720321728U CN 206617243 U CN206617243 U CN 206617243U
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- CN
- China
- Prior art keywords
- blade ring
- doctor blade
- composite coating
- coated
- cylindrical
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- 238000000576 coating method Methods 0.000 title claims abstract description 42
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 42
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 15
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 9
- 239000010452 phosphate Substances 0.000 claims abstract description 9
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 239000002344 surface layer Substances 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 9
- 238000005240 physical vapour deposition Methods 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000001771 vacuum deposition Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- -1 carbon ion Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model is related to a kind of doctor blade ring, more particularly to a kind of cylindrical doctor blade ring for being coated with composite coating, with scraping blade ring base；Doctor blade ring upper surface and/or lower surface have phosphate coating, and doctor blade ring is cylindrical to be coated with composite coating, and composite coating includes the diamond-like carbon film layer and the transition layers of chrome positioned at sub-surface layer positioned at outer surface.The composite coating of the cylindrical diamond-like carbon film layer being provided with of the utility model doctor blade ring and transition layers of chrome composition, surface diamond-like carbon film layer hardness is up to 1600~2800HV, the anti-wear performance of doctor blade ring is greatly improved, the design of transition layers of chrome can improve the bond strength of matrix and coating, prevent diamond-like carbon film layer from occurring greatly very much being broken in doctor blade ring installation or running with matrix hardness difference, so as to extend doctor blade ring service life.
Description
Technical field
The utility model is related to a kind of doctor blade ring, more particularly to a kind of cylindrical doctor blade ring for being coated with composite coating.
Background technology
The major function of oil-scraping ring is regulation lubricating oil, scrapes lubricating oil unnecessary on cylinder wall during work, reduces hair
Motivation friction loss and engine friction research have turned into one of main direction that alternate-engine develops.In order to meet future
Fuel oil consumes target and emission limit, and in addition to using supercharging technology, new combustion technology and variable aeration techniques, parts are low to rub
Wiping design also turns into the effective means of reduction fuel oil consumption.Friction for existing and future products carries out going deep into optimizing research, opens
Hair low friction engine has become the active demand of domestic and international Automobile Enterprises and research institution, the main bag of engine friction loss
Include piston connecting rod unit friction loss, valve mechanism friction loss, camshaft actuated loss, bent axle (containing oil sealing) loss, lubricating oil pump
Loss, frontal attachments driving loss etc.；Wherein Piston volume tube has a high potential in terms of friction loss is reduced, and (its friction loss accounts for machine
Tool evapotranspiration 24%).
And common piston ring surface processing mode has chromium plating and sprayed molybdenum, but all there is certain limitation in these coatings
Property；Such as：Chromium coating coefficient of friction is big, and abrasion work(loss is big, easily attacks cylinder body, pull-cylinder phenomena occurs；Sprayed molybdenum coating hardness is inclined
Low, abrasive wear resistance is poor, not wear-resisting.Market generally reflect conventional surface processing piston ring often occur periphery and on
The phenomenon such as the inordinate wear of downside and scuffing of cylinder bore, can not meet the demand of Modern Engine development gradually.
Utility model content
The purpose of this utility model is that the defect for overcoming prior art to exist has high rigidity and high resiliency mould there is provided one kind
Amount, low friction coefficient, the cylindrical doctor blade ring for being coated with composite coating of wear-resistant and good vacuum tribological property.
Realizing the technical scheme of the utility model purpose is：A kind of cylindrical doctor blade ring for being coated with composite coating, with scraping blade
Ring base；The doctor blade ring upper surface and/or lower surface have a phosphate coating, and the doctor blade ring is cylindrical to be coated with composite coating, described
Composite coating includes the diamond-like carbon film layer and the transition layers of chrome positioned at sub-surface layer positioned at outer surface.
Above-mentioned technical proposal, the thickness of the diamond-like carbon film layer is 1~10 μm, and surface roughness Ra is below 0.1；Institute
Transition layers of chrome thickness is stated for 1~2 μm.
Above-mentioned technical proposal, the phosphate coating thickness is 3~5 μm.
Above-mentioned technical proposal, the diamond-like carbon film layer vacuum coating shaping.
Above-mentioned technical proposal, the transition layers of chrome PVD processing shaping.
Above-mentioned technical proposal, the doctor blade ring inner circle with it is cylindrical be cambered surface.
Above-mentioned technical proposal, the scraping blade ring thickness is 0.3~0.5mm.
After adopting the above technical scheme, the utility model has following positive effect：
(1) composite coating of the cylindrical diamond-like carbon film layer being provided with of the utility model doctor blade ring and transition layers of chrome composition, table
The anti-wear performance of doctor blade ring is greatly improved up to 1600~2800HV in face diamond-like carbon film layer hardness, and transition layers of chrome is set
Meter can improve the bond strength of matrix and coating, prevent diamond-like carbon film layer from doctor blade ring peace occur greatly very much with matrix hardness difference
It is broken in dress or running, so as to extend doctor blade ring service life；
(2) the utility model diamond-like carbon film layer thickness is 1~10 μm, and transition layers of chrome thickness is 1~2 μm.Composite coating
Thickness is blocked up to reduce the fatigue strength of material, influence elastic force, cause piston ring to plate fault rupture when installing, excessively thin wearability is not
Foot；
(3) the utility model doctor blade ring thickness control is in 0.3~0.5mm, it is ensured that under the appropriate face pressure requirement of doctor blade ring
The elastic force of piston ring is reduced, so as to reach the work(loss of reduction piston-ring friction, the purpose of engine power output is improved.
Brief description of the drawings
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to the utility model, wherein
Fig. 1 is the utility model top view；
Fig. 2 is the utility model schematic cross-section；
Fig. 3 is the utility model section coating structure schematic diagram；
1 in figure, scraping blade ring base；2nd, phosphate coating；3rd, composite coating；4th, diamond-like carbon film layer；5th, transition layers of chrome.
Embodiment
(embodiment 1)
The utility model doctor blade ring manufacture craft is as follows：
1. it is oval around the conventional preliminary working of the piston rings such as circle by monolithic；
2. cleaning by degreasing is carried out to the surface of piston ring using water solvent cleaning；
3. frock is utilized by piston ring fitted tube；
4. destressing processing is carried out to piston ring by heat setting process；
5. piston ring binder is got up using frock carries out blasting treatment again；
6. cylindrical plating PVD processing:Processing time 7-8 hour, treatment temperature:300-400℃；
7. the periphery of piston ring is processed by hone technique；
8. pair piston ring carries out cleaning by degreasing drying；
9. piston ring is refilled using frock pick up come；
10. loading DLC stoves, vacuum coating processing, handling process time are carried out:5-6 hours, treatment temperature:100-200
℃；
11. periphery hone is finished；
12. pair piston ring carries out cleaning by degreasing drying；
13. the upper and lower side of pair piston ring carries out phosphorating treatment, handling process time:3-5 minutes, treatment temperature:80-90
Degree；
See Fig. 1~3, the cylindrical doctor blade ring for being coated with composite coating of the utility model has scraping blade ring base 1, using steel bullet
Spring Steel material is made, and matrix hardness is 400-550HV, 0.3~0.5mm of thickness, doctor blade ring inner circle with it is cylindrical be cambered surface,
It can avoid interfering with grommet, reducing friction resistance improves doctor blade ring service life.Doctor blade ring upper and lower surface passes through PVD
Phosphate coating 2 is can obtain after processing, also can only be selected upper surface or lower surface to coat phosphate coating 2 according to use environment, phosphate coating 2 is thick
3~5 μm of degree.Doctor blade ring is cylindrical to be coated with composite coating 3, and composite coating 3 includes the diamond-like carbon film layer 4 and position positioned at outer surface
In the transition layers of chrome 5 of sub-surface layer.The thickness of diamond-like carbon film layer 4 is 1~10 μm, hardness 1600-2800HV, surface roughness
Below Ra0.1；The thickness of transition layers of chrome 5 be 1~2 μm, more than hardness 850HV, so as to make DLC film layer and matrix between formed compared with
Gentle hardness gradient, improves the bond strength between film layer, so as to extend the service life of piston ring.
The formation basic theory of the utility model DLC film layer is：Vacuum chamber, pre- heated work pieces, bombardment cleaning are treated first
Plate behind surface, ignited electric arc by the arc ignitor in high vacuum, under the maintenance of power supply and the promotion in magnetic field, cathode arc exists
Target surface is moved about, and electric arc evaporates carbon target, the carbon of evaporation by high potential barrier before target, the lower ionization of cause effect effect on the scene be carbon from
Son；Magnetic filter pipe is set in front of cathode arc, and the effect using magnetic field to ion changes the motion rail that carbon ion reaches matrix
Mark, only when the electric charge and size of particle are just suitable, is possible to by magnetic field conduits, high velocity bombardment substrate is simultaneously deposited into
Film.The DLC film layer deposited by Magnetic filter vacuum cathode arc has high rigidity, low-friction coefficient, high elastic modulus, high tensile
Cylinder and good film-substrate cohesion.Diamond-like carbon film layer (DLC) is a kind of amorphous state film layer, and DLC film layer has low planted agent
The characteristics such as power, low surface roughness, high rigidity (adjustable), the anti-wear performance of superelevation and the excellent adhesive force with matrix, very
It is adapted as wear-resistant coating.
DLC film layer reduces piston ring surface coefficient of friction, coefficient of friction ＜ 0.1, reduces engine consumption, fuel-efficient；DLC
Film layer grabs oiliness can be fabulous, smaller to the damage of engine during cold start-up, it is ensured that in the case where extreme lacks lubrication and cold
Engine works well during startup；DLC film layer is never wornout, and the piston ring life-span can reach 300,000 kilometers.High rigidity and ultralow
Frictional behavior is reinforcing and the unique advantage of the DLC film material of lubricating oil function and structure integration, micron, the carbon of submicron order
Base solid lubrication abrasive dust repairs attachment film forming in engine friction secondary surface with fluid lubrication oil filling, forms existing stream
Body lubrication has the compound lubricating film of solid lubrication again.This compound lubricating film substantially increases the bearing capacity of oil film, adds
The air-tightness of engine, improves the lubricity of surface of friction pair, reduces the vibration of mechanical friction, while saved,
Environmental protection, antifriction, the multiple effect of synergy.Adapted to modern reinforcing stimulus high power, low oil consumption, low emission it is various technical
It can require, can be in large-scale application.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (7)
1. a kind of cylindrical doctor blade ring for being coated with composite coating, with scraping blade ring base (1)；It is characterized in that：On the doctor blade ring
Surface and/or lower surface have phosphate coating (2), and the doctor blade ring is cylindrical to be coated with composite coating (3), composite coating (3) bag
Include the diamond-like carbon film layer (4) and the transition layers of chrome (5) positioned at sub-surface layer positioned at outer surface layer.
2. the cylindrical doctor blade ring for being coated with composite coating according to claim 1, it is characterised in that：The diamond-like carbon film layer
(4) thickness is 1~10 μm, and surface roughness Ra is below 0.1；Transition layers of chrome (5) thickness is 1~2 μm.
3. the cylindrical doctor blade ring for being coated with composite coating according to claim 1, it is characterised in that：The phosphate coating (2) is thick
Spend for 3~5 μm.
4. the cylindrical doctor blade ring for being coated with composite coating according to claim 1, it is characterised in that：The diamond-like carbon film layer
(4) vacuum coating is molded.
5. the cylindrical doctor blade ring for being coated with composite coating according to claim 1, it is characterised in that：The transition layers of chrome (5)
PVD processing shapings.
6. the cylindrical doctor blade ring for being coated with composite coating according to any one of Claims 1 to 5 claim, its feature exists
In：The doctor blade ring inner circle with it is cylindrical be cambered surface.
7. the cylindrical doctor blade ring for being coated with composite coating according to any one of Claims 1 to 5 claim, its feature exists
In：The scraping blade ring thickness is 0.3~0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321728.3U CN206617243U (en) | 2017-03-30 | 2017-03-30 | A kind of cylindrical doctor blade ring for being coated with composite coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321728.3U CN206617243U (en) | 2017-03-30 | 2017-03-30 | A kind of cylindrical doctor blade ring for being coated with composite coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617243U true CN206617243U (en) | 2017-11-07 |
Family
ID=60234523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720321728.3U Active CN206617243U (en) | 2017-03-30 | 2017-03-30 | A kind of cylindrical doctor blade ring for being coated with composite coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111133235A (en) * | 2017-11-30 | 2020-05-08 | 菲特尔莫古布尔沙伊德有限公司 | piston ring |
-
2017
- 2017-03-30 CN CN201720321728.3U patent/CN206617243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111133235A (en) * | 2017-11-30 | 2020-05-08 | 菲特尔莫古布尔沙伊德有限公司 | piston ring |
| US11408508B2 (en) | 2017-11-30 | 2022-08-09 | Federal-Mogul Burscheid Gmbh | Piston ring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |