CN106269439A - The insulation protection method of chrome-plating clamp - Google Patents
The insulation protection method of chrome-plating clamp Download PDFInfo
- Publication number
- CN106269439A CN106269439A CN201610789025.3A CN201610789025A CN106269439A CN 106269439 A CN106269439 A CN 106269439A CN 201610789025 A CN201610789025 A CN 201610789025A CN 106269439 A CN106269439 A CN 106269439A
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- Prior art keywords
- chrome
- plating clamp
- fluorubber
- plating
- clamp
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2320/00—Organic additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2530/00—Rubber or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses the insulation protection method of a kind of chrome-plating clamp, comprise the following steps: a, preparation fluorubber paint vehicle；B, conducting position to chrome-plating clamp are protected, and process the insulating surfaces blast of chrome-plating clamp；C, insulating surfaces to chrome-plating clamp carry out spraying pre-treatment；D, the insulating surfaces of chrome-plating clamp is sprayed fluorubber paint vehicle；E, complete the insulation protection of chrome-plating clamp after drying.The insulation protection method of chrome-plating clamp of the present invention; corrosion-resistant, the flushing resistance that utilize fluorubber paint carry out insulation protection to the non-conductive position of chrome-plating clamp; by test, after oil removing solution and Cr-plating Bath long-time (about 10h) soak, enamelled coating is intact；Non-painted surface blast to chrome-plating clamp, fluorubber enamelled coating is without the most damaged.
Description
Technical field
The present invention relates to chromium plating technical field of tools, especially, relate to a kind of aerial motor spare part in the course of processing
In chromium plating guard method, relate to local chromium plating protecting tool set-up insulation protection technology.
Background technology
Chromium is the silvery white metal of a kind of slightly blue, has good chemical stability.In atmospheric conditions against corrosion
Property strong, not its color of malleable.The maximum feature of chrome plating is that hardness is high, wearability is high.Therefore at aviation parts machining
In, for improving the antiwear property of part, extend the service life of part, save material, the most widely used wearability chromium plating.
In view of the particularity of chrome-plated process, its electrolyte dispersibility is poor.Homogeneous coating to be obtained, it is necessary to according to part
The special fixture that geometry design is special.Connecing the effective deposition ensureing layers of chrome, the non-conductive position of fixture need to carry out insulation position
Reason.Current insulating treatment method is usually coated with chlorinated polyvinyl chloride paints, green hook shellac varnish, common insullac, twines the methods such as Polypropylence Sheet.
Owing to the corrosivity of electroplating solution is very strong, there is enamelled coating peeling, crackle, dissolving, Polypropylence Sheet embrittlement damaging problem, lead
Cause fixture non-conductive position leakage chromium, fixture corrosion；For guaranteeing that fixture electric conductivity is good, typically before clamping, fixture is blown
Sand processes, and removes oxide on surface, and blast process is easily destroyed enamelled coating and is wound around cloth, affects the insulation protection effect of fixture.
Summary of the invention
The invention provides the insulation protection method of a kind of chrome-plating clamp, to solve the insulating method of existing chromium plating instrument,
Owing to the corrosivity of electroplating solution is very strong, there is enamelled coating peeling, crackle, dissolving, Polypropylence Sheet embrittlement damaging problem, cause fixture non-
Conducting position leakage chromium, fixture corrosion；Before clamping, fixture carrying out blast process, remove oxide on surface, blast process is easy
Destroy enamelled coating and be wound around cloth, affecting the technical problem of the insulation protection effect of fixture.
The present invention provides the insulation protection method of a kind of chrome-plating clamp, comprises the following steps: a, preparation fluorubber paint vehicle；b、
The conducting position of chrome-plating clamp is protected, and the insulating surfaces blast of chrome-plating clamp is processed；C, insulation to chrome-plating clamp
Face carries out spraying pre-treatment；D, the insulating surfaces of chrome-plating clamp is sprayed fluorubber paint vehicle；E, complete the insulation of chrome-plating clamp after drying
Protection.
Further, the preparation of the fluorubber paint vehicle in step a concretely comprises the following steps: a1, insulating surfaces according to chrome-plating clamp
Size weighs fluorubber sheet；A2, the fluorubber sheet glue refining 5min-30min that will weigh；A3, the fluorubber that glue is refined and dilution
Agent carries out mixed bubble 20h-30h by the mass ratio of 1:3-10；A4, the mixed fluorubber soaked is mixed with polyurethane；After a5, general's mixing
Adding appropriate diluent, furnishing viscosity is the fluorubber of 15s-20s, filters with to be used after placing 30min.
Further, the refining of the glue in step a2 uses glue refining machine to interrupt the strand of fluorubber sheet so that it is can be at solvent
Middle dissolving.
Further, diluent uses ethyl acetate: cyclohexanone configures for 1:1 in mass ratio.
Further, the viscosity of fluorubber presses coating-4 viscosity meter accounting.
Further, the formula of fluorubber paint vehicle uses polyurethane: fluorubber sheet is entered by the mass ratio of 1:1.2-10
Row mixing.Alternatively, the formula of fluorubber paint vehicle uses fluorubber sheet 60g-100g；Polyurethane 10g-50g.
Further, the concretely comprising the following steps of blast in step b: the insulating surfaces needing insulation on chrome-plating clamp is blown corundum
Sand, granularity >=80 mesh of emergy, pressure is 0.1MPa-0.3MPa.
Further, in step c, the spray pre-treatment of the insulating surfaces of chrome-plating clamp concretely comprises the following steps: by the insulation of chrome-plating clamp
The alcoholic solution of the Silane coupling agent KH550 that one layer of mass ratio is 5%-25% is uniformly sprayed in face, is sprayed onto insulating surfaces surface without white point
Till sagging.
Further, in step d, chrome-plating clamp insulating surfaces sprays concretely comprising the following steps of fluorubber paint vehicle: at chrome-plating clamp
Even application repeatedly fluorubber paint vehicle in insulating surfaces, between the interval of spraying, chrome-plating clamp is all parked in 50 DEG C of stoves every time
10min-30min, to ensure that the film thickness on chrome-plating clamp insulating surfaces surface is in 100 μm-150 μm.
Further, be dried in step e concretely comprises the following steps: the chrome-plating clamp after spraying is at room temperature dried 1h；Rise
Temperature dries 0.5h to 100 DEG C-120 DEG C；It is continuously heating to 180 DEG C-200 DEG C and dries 2h；Furnace cooling or air cooling, complete chromium plating folder
Being dried of tool.
The method have the advantages that
The insulation protection method of chrome-plating clamp of the present invention, utilizes corrosion-resistant, the flushing resistance of fluorubber paint to press from both sides chromium plating
The non-conductive position of tool is coated and insulation protection, possesses the solution of resistance to chromic anhydride, temperature-resistance characteristic, the insulation protection of chrome-plating clamp
Effective, persistently use the time long.By test by long at oil removing solution and Cr-plating Bath for the chrome-plating clamp carrying out insulation protection
After time (about 10h) soaks, enamelled coating is intact；Non-painted surface blast to chrome-plating clamp, fluorubber enamelled coating is without the most damaged.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the steps flow chart block diagram of the insulation protection method of the chrome-plating clamp of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be limited by following and
The multitude of different ways covered is implemented.
Fig. 1 is the steps flow chart block diagram of the insulation protection method of the chrome-plating clamp of the preferred embodiment of the present invention.Such as Fig. 1 institute
Show that the insulation protection method of the chrome-plating clamp of the present embodiment comprises the following steps: a, preparation fluorubber paint vehicle；B, to chromium plating press from both sides
The conducting position of tool is protected, and processes the insulating surfaces blast of chrome-plating clamp；Before c, the insulating surfaces of chrome-plating clamp are sprayed
Process；D, the insulating surfaces of chrome-plating clamp is sprayed fluorubber paint vehicle；E, complete the insulation protection of chrome-plating clamp after drying.The present invention
The insulation protection method of chrome-plating clamp, utilizes corrosion-resistant, the non-conductive position that flushing resistance is to chrome-plating clamp of fluorubber paint
Being coated and insulation protection, possess the solution of resistance to chromic anhydride, temperature-resistance characteristic, the insulation protection of chrome-plating clamp is effective, persistently make
Use the time long.By test, the chrome-plating clamp carrying out insulation protection is soaked at oil removing solution and Cr-plating Bath long-time (about 10h)
After bubble, enamelled coating is intact；Non-painted surface blast to chrome-plating clamp, fluorubber enamelled coating is without the most damaged.
In the present embodiment, the preparation of the fluorubber paint vehicle in step a concretely comprises the following steps: a1, insulation according to chrome-plating clamp
Face size weighs fluorubber sheet.A2, the fluorubber sheet glue refining 5min-30min that will weigh.The glue refining time > 30min, fluorubber
Fragility is big；The glue refining time, < 5min, the dissolubility of fluorubber was poor；And the glue refining time can guarantee that fluorubber sheet glue at 5min-30min
Dissolve completely in a solvent after refining, can guarantee that its adhesion, resistance to erosion, decay resistance are unaffected simultaneously.A3, glue is refined
Fluorubber and diluent carry out mixed bubble 20h-30h by the mass ratio of 1:3-10.Mixed bubble 20h-30h is in order to fluorubber sheet is with molten
Agent is fully contacted, infiltration, so that follow-up stirring power dissolves；Mixed bubble can not dissolve less than 20h completely；Mixed bubble will extend more than 30h
Unnecessary process time.A4, the mixed fluorubber soaked is mixed with polyurethane；A5, appropriate diluent after mixing, will be added, adjust
Becoming viscosity is the fluorubber of 15s-20s, filters with to be used after placing 30min.Fluorubber adjusts viscosity at 15s-20s, can make paint
The sprayable property of material is good, is easily generated and stays extension phenomenon after the too small spraying of viscosity, and viscosity is excessive then will produce wire drawing phenomenon, it is impossible to just
Often spraying.
In the present embodiment, the glue refining in step a2 uses glue refining machine to interrupt the strand of fluorubber sheet so that it is can be molten
Agent is dissolved.
In the present embodiment, diluent uses ethyl acetate: cyclohexanone configures for 1:1 in mass ratio.
In the present embodiment, the viscosity of fluorubber is pressed coating-4 viscosity meter and is adjusted.
In the present embodiment, the formula of fluorubber paint vehicle uses polyurethane: fluorubber sheet is carried out by the mass ratio of 1:1.2-10
Mixing.Alternatively, the formula of fluorubber paint vehicle uses fluorubber sheet 60g-100g；Polyurethane 10g-50g.
In the present embodiment, the concretely comprising the following steps of blast in step b: the insulating surfaces needing insulation on chrome-plating clamp is blown corundum
Sand, granularity >=80 mesh of emergy, pressure is 0.1MPa-0.3MPa.
In the present embodiment, in step c, the spray pre-treatment of the insulating surfaces of chrome-plating clamp concretely comprises the following steps: exhausted by chrome-plating clamp
The alcoholic solution of the Silane coupling agent KH550 that one layer of mass ratio is 5%-25% is uniformly sprayed in edge face, is sprayed onto insulating surfaces surface without in vain
Till point and sagging.KH550 alcoholic solution is pre-treatment inorganic agent, for activating the metal surface that need to spray, is fluorubber paint
With intermetallic bridge, it it is the key factor of enamelled coating adhesion；White point occurs or stays extension then can be removed by enamelled coating solvent, then
Again spray.
In the present embodiment, in step d, chrome-plating clamp insulating surfaces sprays concretely comprising the following steps of fluorubber paint vehicle: at chrome-plating clamp
Insulating surfaces on even application repeatedly fluorubber paint vehicle, every time between the interval of spraying, chrome-plating clamp is all parked in 50 DEG C of stoves
10min-30min, to ensure that the film thickness on chrome-plating clamp insulating surfaces surface is in 100 μm-150 μm.Spray paint: spray chromium plating every time
The insulating surfaces surface of fixture covers one layer of not sagging.Film thickness 100 μm-150 μm is present to ensure that the rib of chrome-plating clamp
Limit thickness of paint layer, film thickness can only measure plane position with eddy current thickness meter, and for soak in Cr-plating Bath
10h～30h (being drawn by test) still paint film is intact.
In the present embodiment, be dried in step e concretely comprises the following steps: the chrome-plating clamp after spraying is at room temperature dried 1h；
It is warming up to 100 DEG C-120 DEG C and dries 0.5h；It is continuously heating to 180 DEG C-200 DEG C and dries 2h；Furnace cooling or air cooling, complete chromium plating
Being dried of fixture.Drying is the levelling for paint film, and drying is then being fully cured for paint film.Can be again after paint film surface drying
Spraying makes it thicken, and repeatedly sprays after surface drying, and last baking and curing forms last film thickness, sprays an about 0.015mm-
0.025mm。
During enforcement, it is provided that a kind of method spraying fluorubber paint, the non-conductive position of chrome-plating clamp is carried out insulation protection.
The non-conductive position of chrome-plating clamp carries out the step that is embodied as of insulation protection:
1. glue refining: first the film glue weighed up should be practiced 5min～30min.
2. dispensing: the formula of fluorubber paint: No. 16 fluorubber sheet: 60g～100g；Polyurethane: 10g～50g.
3. compound method: film glue refining 5min～30min that will weigh up.No. 16 fluorubber and 3～10 that 1 part of glue is refined
The mixed bubble 20～30h of part diluent.After the mixed fluorubber soaked is mixed with polyurethane, add appropriate diluent (ethyl acetate:
Ketohexamethylene=1:1), furnishing viscosity is the fluorubber (by coating-4 viscosity meter) of 15s～20s, filters and can make after placing 30min
With.
4. blast: fixture conducting position is protected, blows emergy, sand fineness >=80 mesh, pressure: 0.1 to needing insulating surfaces
～0.3MPa.
5. spray pre-treatment: blade surface uniformly sprays the alcoholic solution of the KH550 of a layer 5%～25% (mass ratio), spraying
Surface is not allow for white point and sagging.
6. spray paint: uniform spray No. 16 fluorubber several times on chucking surface after pretreatment, every time between be intended to
10min～30min is parked in 50 DEG C of stoves.Ensure that film thickness is 100 μm～150 μm.
7. it is dried: room temperature dries 1h, is warming up to 100 DEG C～120 DEG C and dries 0.5h, be continuously heating to 180 DEG C～200 DEG C bakings
2h, furnace cooling or air cooling.
Owing to fluorubber paint has corrosion-resistant, flushing resistance, by test, fluorubber paint is molten at oil removing solution and chromium plating
After liquid long-time (about 10h) soaks, enamelled coating is intact；Non-painted surface blast to fixture, fluorubber enamelled coating is without the most damaged.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the insulation protection method of a chrome-plating clamp, it is characterised in that comprise the following steps:
A, preparation fluorubber paint vehicle；
B, conducting position to chrome-plating clamp are protected, and process the insulating surfaces blast of chrome-plating clamp；
C, insulating surfaces to chrome-plating clamp carry out spraying pre-treatment；
D, the insulating surfaces of chrome-plating clamp is sprayed fluorubber paint vehicle；
E, complete the insulation protection of chrome-plating clamp after drying.
The insulation protection method of chrome-plating clamp the most according to claim 1, it is characterised in that
The preparation of the fluorubber paint vehicle in step a concretely comprises the following steps:
A1, insulating surfaces size according to chrome-plating clamp weigh fluorubber sheet；
A2, the fluorubber sheet glue refining 5min-30min that will weigh；
A3, the fluorubber refined by glue carry out mixed bubble 20h-30h with diluent by the mass ratio of 1:3-10；
A4, the mixed fluorubber soaked is mixed with polyurethane；
A5, will add appropriate diluent after mixing, furnishing viscosity is the fluorubber of 15s-20s, filters to wait to make after placing 30min
With.
The insulation protection method of chrome-plating clamp the most according to claim 2, it is characterised in that
Glue refining in step a2 uses glue refining machine to interrupt the strand of fluorubber sheet so that it is can dissolve in a solvent.
The insulation protection method of chrome-plating clamp the most according to claim 2, it is characterised in that
Diluent uses ethyl acetate: cyclohexanone configures for 1:1 in mass ratio.
The insulation protection method of chrome-plating clamp the most according to claim 2, it is characterised in that
The viscosity of fluorubber is pressed coating-4 viscosity meter and is adjusted.
6. according to the insulation protection method of the chrome-plating clamp according to any one of claim 2 to 5, it is characterised in that
The formula of fluorubber paint vehicle uses polyurethane: fluorubber sheet is mixed by the mass ratio of 1:1.2-10.
The insulation protection method of chrome-plating clamp the most according to any one of claim 1 to 5, it is characterised in that
The concretely comprising the following steps of blast in step b: the insulating surfaces needing insulation on chrome-plating clamp is blown emergy, the granularity of emergy
>=80 mesh, pressure is 0.1MPa-0.3MPa.
The insulation protection method of chrome-plating clamp the most according to any one of claim 1 to 5, it is characterised in that
In step c, the spray pre-treatment of the insulating surfaces of chrome-plating clamp concretely comprises the following steps:
The insulating surfaces of chrome-plating clamp is uniformly sprayed the alcoholic solution of the Silane coupling agent KH550 that one layer of mass ratio is 5%-25%,
Be sprayed onto insulating surfaces surface without white point and sagging till.
The insulation protection method of chrome-plating clamp the most according to any one of claim 1 to 5, it is characterised in that
Chrome-plating clamp insulating surfaces spraying the concretely comprising the following steps of fluorubber paint vehicle in step d:
Even application repeatedly fluorubber paint vehicle in the insulating surfaces of chrome-plating clamp,
Between the interval of spraying, chrome-plating clamp all parks 10min-30min, to ensure that chrome-plating clamp insulate in 50 DEG C of stoves every time
The film thickness on surface, face is in 100 μm-150 μm.
The insulation protection method of chrome-plating clamp the most according to any one of claim 1 to 5, it is characterised in that
Be dried in step e concretely comprises the following steps:
Chrome-plating clamp after spraying is at room temperature dried 1h；
It is warming up to 100 DEG C-120 DEG C and dries 0.5h；
It is continuously heating to 180 DEG C-200 DEG C and dries 2h；
Furnace cooling or air cooling, complete being dried of chrome-plating clamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610789025.3A CN106269439B (en) | 2016-08-31 | 2016-08-31 | The insulation protection method of chrome-plating clamp |
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| CN201610789025.3A CN106269439B (en) | 2016-08-31 | 2016-08-31 | The insulation protection method of chrome-plating clamp |
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| CN106269439B CN106269439B (en) | 2019-10-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518119A (en) * | 2018-11-02 | 2019-03-26 | 安徽省岳西缸套有限公司 | A kind of surface oxidation treatment technique of cylinder sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518119A (en) * | 2018-11-02 | 2019-03-26 | 安徽省岳西缸套有限公司 | A kind of surface oxidation treatment technique of cylinder sleeve |
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