CN106362930A - Coating method of hub - Google Patents
Coating method of hub Download PDFInfo
- Publication number
- CN106362930A CN106362930A CN201610741954.7A CN201610741954A CN106362930A CN 106362930 A CN106362930 A CN 106362930A CN 201610741954 A CN201610741954 A CN 201610741954A CN 106362930 A CN106362930 A CN 106362930A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- washing
- minutes
- time
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- 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
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
-
- 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
- B05D3/10—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 other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/42—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/22—Light metals
-
- 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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- 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
- B05D2506/15—Polytetrafluoroethylene [PTFE]
Abstract
The invention discloses a coating method of a hub. The coating method comprises the steps of degreasing, water washing, acid pickling, water washing, passivating, water washing, drying, automatic spraying, curing and grinding. According to the coating method, the production steps are simplified, and the cost and time are saved. Through the improvement of a passivator, the adhesive force of a coating and an aluminum alloy is enhanced, and the cost is saved; and according to the coating method, the product strength is high, the toughness and the hub quality are good, the machining precision is high, deformation is not prone to happening, the impact resisting capacity is high, and product popularization is facilitated.
Description
Technical field
The invention belongs to Automobile Products technical field is and in particular to a kind of coating process of wheel hub.
Background technology
With the development of automotive industry, the yield of motor vehicles increases and recoverable amount increases, and is driving economic development and is giving
People's trip brings convenience.
Wheel hub is requisite part on automobile, and its performance quality is directly connected to degree of operating steadily and the safety of vehicle
Performance, but the wheel hub of some wheels has that impact resistant capability is not strong at present.
Application is the last one procedure that automotive hub produces, and its objective is to improve corrosion resistance and U.S. of automotive hub
Sense.Aluminium alloy wheel hub through machining etc. after the completion of critical process it is contemplated that aluminium alloy wheel hub condition ratio in actual use
Poor, the influence factor such as aoxidize in atmosphere and reach purpose attractive in appearance to reduce aluminium alloy, so to the painting after application
Layer performance has higher requirement.
At present, in the application to automotive hub, its coating process is often complex, complex steps, expends larger
Manpower and materials.In addition, when passivation effect is bad in front process, may result in and need to provide substantial amounts of confession powder amount in spraying
Guarantee spraying is complete and uniform, causes to waste.
Content of the invention
The purpose of the present invention is to propose to a kind of coating process of wheel hub, overcome the deficiencies in the prior art, which simplify life
Produce step, save cost and time.By the improvement of passivator, enhance the adhesive force of coating and aluminium alloy, save one-tenth
This, its product strength is high, good toughness, and wheel hub quality is good, and machining accuracy is high, is unlikely to deform, advantageous product strong with impact resistant capability
Popularization.
In order to reach above-mentioned purpose of design, the technical solution used in the present invention is as follows:
A kind of coating process of wheel hub, including defat, washing, pickling, washing, passivation, washing, drying, automatically sprays, consolidates
Change and polish.Concrete steps include:
Step one, defat: using alkali system degreasing agent fc-359, wheel hub is carried out with spraying ungrease treatment in 2 minutes at 50 DEG C；
Step 2, washing: wheel hub in 1 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 3, acidic derusting: use drill traverse method, acid pickling and rust removing formula of liquid: the technical hydrochloric acid of concentration 31%, corrosion inhibiter 3%,
Temperature: 40～50 DEG C, process time 3～8 minutes；
Step 4, washing: wheel hub in 3 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 5, passivation: adopt chrome-free tanning agent, wheel hub in step 4 is immersed in chrome-free tanning agent, soak 7～8
Minute；
Step 6, washing: wheel hub in 5 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 7, drying:
Step 8, automatically spraying: adopt electrostatic powder coating, coating used is Teflon powdery paints；
Step 9, solidification: temperature is 190～210 DEG C, hardening time is 0.5～1h；
Step 10, polishing: using 600# or 1000# sand paper, polish the defects such as acne, powder hole according to circular arc polishing mode,
Blown using compressed air after polishing or non-dust cloth is wiped.
In implementing further, in step 5, the main proportioning of chrome-free tanning agent is in 100 parts of weight ratios: 10～25% nitre
Acid, 2～5% phosphoric acid, 5～10% sodium molybdate, 10～15% aluminum sulfate, 1～2% cerous nitrate and 5～10% ethanol, remaining is to go
Ionized water.
In implementing further, in step 8, its spray pressure is 0.2～0.3mpa, and electrostatic potential is 30～50kv, spraying
Time is 7～9s.
The beneficial effect of the coating process of wheel hub of the present invention is: which simplify production stage, saved cost and
Time.By the improvement of passivator, enhance the adhesive force of coating and aluminium alloy, saved cost, its product strength is high, toughness
Good, wheel hub quality is good, and machining accuracy is high, is unlikely to deform, the popularization of advantageous product strong with impact resistant capability.
Specific embodiment
Below preferred embodiment of the invention is described in further detail.
The coating process of described wheel hub, including defat, washing, pickling, washing, passivation, washing, drying, automatically spraying,
Solidification and polishing.Concrete steps include:
Step one, defat: using alkali system degreasing agent fc-359, wheel hub is carried out with spraying ungrease treatment in 2 minutes at 50 DEG C；
Step 2, washing: wheel hub in 1 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 3, acidic derusting: use drill traverse method, acid pickling and rust removing formula of liquid: the technical hydrochloric acid of concentration 31%, corrosion inhibiter 3%,
Temperature: 40～50 DEG C, process time 3～8 minutes；
Step 4, washing: wheel hub in 3 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 5, passivation: adopt chrome-free tanning agent, wheel hub in step 4 is immersed in chrome-free tanning agent, soak 7～8
Minute；Its main proportioning is in 100 parts of weight ratios: 10～25% nitric acid, 2～5% phosphoric acid, 5～10% sodium molybdate, 10～
15% aluminum sulfate, 1～2% cerous nitrate and 5～10% ethanol, remaining is deionized water；
Step 6, washing: wheel hub in 5 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 7, drying:
Step 8, automatically spraying: adopt electrostatic powder coating, coating used is Teflon powdery paints, its spray pressure
For 0.2～0.3mpa, electrostatic potential is 30～50kv, and spray time is 7～9s；
Step 9, solidification: temperature is 190～210 DEG C, hardening time is 0.5～1h；
Step 10, polishing: using 600# or 1000# sand paper, polish the defects such as acne, powder hole according to circular arc polishing mode,
Blown using compressed air after polishing or non-dust cloth is wiped.
Above content is the further description present invention done with reference to specific preferred implementation, is easy to this skill
The technical staff in art field be understood that and apply the present invention it is impossible to assert the present invention be embodied as be confined to these explanations.
For general technical staff of the technical field of the invention, can also make without departing from the inventive concept of the premise
Some simple deduction or replace, without through performing creative labour.Therefore, those skilled in the art's taking off according to the present invention
Show, the simple modifications that the present invention is made all should be within protection scope of the present invention.
Claims (3)
1. a kind of coating process of wheel hub it is characterised in that: include defat, washing, pickling, washing, passivation, washing, drying, oneself
Dynamic spraying, solidification and polishing.Concrete steps include:
Step one, defat: using alkali system degreasing agent fc-359, wheel hub is carried out with spraying ungrease treatment in 2 minutes at 50 DEG C；
Step 2, washing: wheel hub in 1 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 3, acidic derusting: use drill traverse method, acid pickling and rust removing formula of liquid: the technical hydrochloric acid of concentration 31%, corrosion inhibiter 3%, temperature
Degree: 40～50 DEG C, process time 3～8 minutes；
Step 4, washing: wheel hub in 3 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 5, passivation: adopt chrome-free tanning agent, wheel hub in step 4 is immersed in chrome-free tanning agent, soak 7～8 minutes；
Step 6, washing: wheel hub in 5 is immersed in clear water, the temperature of water is 40～50 DEG C, the time is 7～8 minutes；
Step 7, drying:
Step 8, automatically spraying: adopt electrostatic powder coating, coating used is Teflon powdery paints；
Step 9, solidification: temperature is 190～210 DEG C, hardening time is 0.5～1h；
Step 10, polishing: using 600# or 1000# sand paper, polish the defects such as acne, powder hole according to circular arc polishing mode, polishing
Blown using compressed air afterwards or non-dust cloth is wiped.
2. wheel hub according to claim 1 coating process it is characterised in that: in step 5, chrome-free tanning agent is mainly joined
Than in 100 parts of weight ratios: 10～25% nitric acid, 2～5% phosphoric acid, 5～10% sodium molybdate, 10～15% aluminum sulfate, 1～
2% cerous nitrate and 5～10% ethanol, remaining is deionized water.
3. wheel hub according to claim 1 coating process it is characterised in that: in step 8, its spray pressure be 0.2～
0.3mpa, electrostatic potential is 30～50kv, and spray time is 7～9s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741954.7A CN106362930A (en) | 2016-08-28 | 2016-08-28 | Coating method of hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741954.7A CN106362930A (en) | 2016-08-28 | 2016-08-28 | Coating method of hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106362930A true CN106362930A (en) | 2017-02-01 |
Family
ID=57902852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610741954.7A Pending CN106362930A (en) | 2016-08-28 | 2016-08-28 | Coating method of hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106362930A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043694A (en) * | 2017-11-23 | 2018-05-18 | 安徽珩业车轮有限公司 | A kind of coating process of wheel hub |
| CN108165056A (en) * | 2017-12-25 | 2018-06-15 | 成都双胜汽车零部件有限公司 | Aluminum luggage carrier surface film binding force increases technique |
| CN112626537A (en) * | 2020-12-14 | 2021-04-09 | 秦皇岛艾科晟科技有限公司 | Wheel hub anticorrosion pretreatment method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004203014A (en) * | 2002-10-31 | 2004-07-22 | Toyoda Gosei Co Ltd | Plated product |
| CN103008202A (en) * | 2012-06-28 | 2013-04-03 | 天津戴卡轮毂制造有限公司 | Manufacturing method for aluminum alloy automobile hub |
| CN103949388A (en) * | 2014-03-24 | 2014-07-30 | 宁波宝迪汽车部件有限公司 | Coating method of electric vehicle hub |
| CN105239069A (en) * | 2015-10-29 | 2016-01-13 | 桂林华森电力科技有限公司 | Automobile hub surface treatment process |
| CN105332035A (en) * | 2015-07-16 | 2016-02-17 | 中信戴卡股份有限公司 | Hub coating method |
-
2016
- 2016-08-28 CN CN201610741954.7A patent/CN106362930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004203014A (en) * | 2002-10-31 | 2004-07-22 | Toyoda Gosei Co Ltd | Plated product |
| CN103008202A (en) * | 2012-06-28 | 2013-04-03 | 天津戴卡轮毂制造有限公司 | Manufacturing method for aluminum alloy automobile hub |
| CN103949388A (en) * | 2014-03-24 | 2014-07-30 | 宁波宝迪汽车部件有限公司 | Coating method of electric vehicle hub |
| CN105332035A (en) * | 2015-07-16 | 2016-02-17 | 中信戴卡股份有限公司 | Hub coating method |
| CN105239069A (en) * | 2015-10-29 | 2016-01-13 | 桂林华森电力科技有限公司 | Automobile hub surface treatment process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043694A (en) * | 2017-11-23 | 2018-05-18 | 安徽珩业车轮有限公司 | A kind of coating process of wheel hub |
| CN108165056A (en) * | 2017-12-25 | 2018-06-15 | 成都双胜汽车零部件有限公司 | Aluminum luggage carrier surface film binding force increases technique |
| CN112626537A (en) * | 2020-12-14 | 2021-04-09 | 秦皇岛艾科晟科技有限公司 | Wheel hub anticorrosion pretreatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |