CN104014470B - Wheel hub application is dusted lacquer spraying technique - Google Patents
Wheel hub application is dusted lacquer spraying technique Download PDFInfo
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- CN104014470B CN104014470B CN201410184096.1A CN201410184096A CN104014470B CN 104014470 B CN104014470 B CN 104014470B CN 201410184096 A CN201410184096 A CN 201410184096A CN 104014470 B CN104014470 B CN 104014470B
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Abstract
The invention discloses a kind of wheel hub application to dust lacquer spraying technique, comprise the following steps: process of dusting: on pretreatment line, wheel hub is heated, wheel hub word is proceeded to spraying coating line dust from process line, and having dusted is cured process, cooling processing and grinding process successively afterwards to wheel hub; First time sprays paint process: again heat wheel hub at pretreatment line, and wheel hub is proceeded to painting line spray paint from processing line, has sprayed paint to be cured successively wheel hub afterwards, to cool and grinding process; Mechanical process: machined is carried out to wheel hub and bores decoration hole; Second time is sprayed paint process: again heat wheel hub at pretreatment line, and wheel hub is proceeded to painting line spray paint from processing line, has sprayed paint to be cured process successively to wheel hub afterwards; Check processing: paint film property detection is carried out to wheel hub, outward appearance detects and dynamic balancing detects.By the way, wheel hub application of the present invention is dusted lacquer spraying technique, can improve wheel hub performance, and technique is simple, and painting effect is good.
Description
Technical field
The present invention relates to wheel hub and manufacture field, particularly relate to a kind of wheel hub application and to dust lacquer spraying technique.
Background technology
Aluminium alloy wheel hub is after completing through critical processes such as machineds, condition is poor in actual use to consider aluminium alloy wheel hub, in order to reduce the influence factors such as aluminium alloy is oxidized in atmosphere, and reach object attractive in appearance, so have higher requirement to the coating performance after application, in current wheel hub industry, take the technology mode of spray paint more.The coating process of existing aluminium alloy automobile hub, production procedure is roughly: material grinding → pre-treatment → body that the dusts → powder grinding → secondary pre-treatment → color spray paint → spray colored varnish → finished product complete packaging →.Traditional coating process step is complicated, and painting effect is poor, and application end properties is general, can not meet user demand.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of wheel hub application and dusts lacquer spraying technique, can improve wheel hub performance, and technique is simple, and painting effect is good.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of wheel hub application to dust lacquer spraying technique, comprise the following steps: a. to dust process: heat wheel hub on pretreatment line, wheel hub word is proceeded to spraying coating line dust from process line, and having dusted is cured process, cooling processing and grinding process successively afterwards to wheel hub; B. first time sprays paint process: again heat wheel hub at pretreatment line, and wheel hub is proceeded to painting line spray paint from processing line, has sprayed paint to be cured process, cooling processing and grinding process successively to wheel hub afterwards; C. mechanical process: carry out mechanical process to wheel hub, bores decoration hole; D. second time is sprayed paint process: again heat wheel hub at pretreatment line, and wheel hub is proceeded to painting line spray paint from processing line, has sprayed paint to be cured process successively to wheel hub afterwards; E. check processing: paint film property detection is carried out successively to wheel hub, outward appearance detects and dynamic balancing detects;
In a preferred embodiment of the present invention, the heating-up temperature heated wheel hub on pretreatment line in described step a is 120 ± 10 DEG C, and the heating-up temperature heated wheel hub on pretreatment line in step b is 150 ± 10 DEG C.
In a preferred embodiment of the present invention, in the lacquer spraying technique in described step a, rifle is apart from 100-200mm, and the time of dusting is 30s, thicknesses of layers front >=50 μm, window >=50 μm, and the raw material that dusts is mute black powder.
In a preferred embodiment of the present invention, solidification process in described step a is processed by baking oven, oven temperature is 150 DEG C, hardening time is 25-45min, and the solidification process in described step b is processed by baking oven, and oven temperature is 195 ± 5 DEG C, hardening time is 20-25min, solidification process in steps d is processed by baking oven, and oven temperature is 185 ± 5 DEG C, and hardening time is 30-35min.
In a preferred embodiment of the present invention, wheel hub is all cooled to room temperature by cooling air channel by the cooling processing in described step a and b.
In a preferred embodiment of the present invention, grinding process in described step a is to the 200 order sand paperings of the serious particle of wheel hub, re-use 1000 order sand paperings, slight granule 800 order sand paper hands are polished, grinding process in step b is to the 200 order sand paperings of the serious particle of wheel hub, re-use 800 order sand paperings, slight granule 800 order sand paper hands are polished.
In a preferred embodiment of the present invention, in the process of spraying paint in described step b, rifle is apart from being 100-200mm, and the time of spraying paint is 20-25s, and thicknesses of layers front and window are 15-25 μm, and the raw material that sprays paint is pitch-dark.
In a preferred embodiment of the present invention, spray paint in the spraying paint process in described steps d thicknesses of layers front and window are 20-25 μm, and the raw material that sprays paint is dumb light finishing varnish.
In a preferred embodiment of the present invention, the detected parameters that in described step e, paint film property detects is rete gross thickness: window: >=100um, front: >=150 μm, hardness >=H, adhesive force is GT0-.
In a preferred embodiment of the present invention, the examination criteria that the dynamic balancing in described step e detects is static unbalance≤20g.
The invention has the beneficial effects as follows: wheel hub application of the present invention is dusted lacquer spraying technique, can improve wheel hub performance, technique is simple, and painting effect is good.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The wheel hub application of the present invention lacquer spraying technique that dusts comprises following operation: reached the standard grade by wheel hub up-to-standard for appearance, by pre-treatment operation guide, pretreatment line carries out preheating, preheat temperature is 120 ± 10 DEG C.After preheating completes, wheel hub is proceeded to spraying coating line from pretreatment line, and the ring flange of wheel hub, centre bore and bolt hole can not there be powder, paint.Spraying coating line carries out the mute black powder of powder spray, is undertaken by Powder Electrostatic Coating Technology guiding book, rifle is apart from 100-200mm, and tell powder amount and look concrete condition, dust time 20s, and dust position thicknesses of layers: front >=50 μm, window >=50 μm.After having dusted, wheel hub is proceeded to baking oven and is cured, oven temperature is 150 DEG C, and hardening time is 25-45min.Wheel hub after having solidified is cooled to close to room temperature through cooling air channel, then polishes to wheel hub according to sprayed surface light defects technique for grinding guiding book, and the 200 order sand paperings of serious particle, re-use 1000 order sand paperings; Slight granule 800 order sand paper hands are polished.Again reached the standard grade by wheel hub up-to-standard for appearance after having polished, by pre-treatment operation guide, pretreatment line carries out preheating, preheat temperature is 150 ± 10 DEG C.After preheating completes, wheel hub is proceeded to painting line from pretreatment line, and the ring flange of wheel hub, centre bore and bolt hole can not there be powder, paint.Painting line carries out benefit pitch-dark, undertaken by aluminium alloy wheel hub colored varnish spraying coating process guiding book, rifle distance 100-200mm, tells powder amount and viscosity looks concrete condition, and spray paint time 20-25s, and spray paint position thicknesses of layers: front, window 15-25 μm.After having sprayed paint, wheel hub is proceeded to baking oven and is cured, oven temperature is 195 ± 5 DEG C, and hardening time is 20-25min.Wheel hub after having solidified is cooled to close to room temperature through cooling air channel, then polishes to wheel hub according to sprayed surface light defects technique for grinding guiding book, and the 200 order sand paperings of serious particle, re-use 800 order sand paperings; Slight granule 800 order sand paper hands are polished.Carry out the machined of brill decoration hole according to mechanical processing technique card to wheel hub, again reached the standard grade by wheel hub up-to-standard for appearance after machining, by pre-treatment operation guide, pretreatment line carries out preheating, preheat temperature is 150 ± 10 DEG C.After preheating completes, wheel hub is proceeded to painting line from pretreatment line, and the ring flange of wheel hub, centre bore and bolt hole can not there be powder, paint.Painting line is pressed aluminium alloy wheel hub colored varnish spraying coating process guiding book spray dumb light finishing varnish, position of spraying paint, thicknesses of layers: 20 ~ 25 μm, window, front.After having sprayed paint, wheel hub is proceeded to baking oven to be cured, oven temperature is 185 ± 5 DEG C, and hardening time is 30-35min.Paint film property detection is carried out, detected parameters: rete gross thickness: window: >=100um front: >=150 μm of hardness >=H adhesive force: GT0-after having solidified.Then being detected outward appearance by ocular estimate by finished product visual examination technique guiding book, carrying out dynamic balancing detection through pressing balance check guiding book, dynamic balancing detects just accurate: static-unbalance≤20g, adds valve cock.The wheel hub of light defects turns inspection eventually after polishing grinding, after outward appearance defective work turns polishing, carries out corresponding mark of doing over again, again sprays.Pneumatic polishing 200 order sand paper, then carry out manual grinding with 800 order sand paper.
Be different from prior art, wheel hub application of the present invention is dusted lacquer spraying technique, can improve wheel hub performance, and technique is simple, and painting effect is good.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. wheel hub application is dusted a lacquer spraying technique, it is characterized in that, comprises the following steps:
A. to dust process: heat wheel hub on pretreatment line, wheel hub is proceeded to spraying coating line from process line and dusts, having dusted is cured process, cooling processing and grinding process successively afterwards to wheel hub;
B. first time sprays paint process: again heat wheel hub at pretreatment line, wheel hub is proceeded to painting line from process line spray paint, spray paint and rear process, cooling processing and grinding process have been cured successively to wheel hub, cooling processing is for be cooled to room temperature by cooling air channel by wheel hub, grinding process is to the 200 order sand paperings of the serious particle of wheel hub, re-use 800 order sand paperings, slight granule 800 order sand paper hands are polished;
C. mechanical process: carry out mechanical process to wheel hub, bores decoration hole;
D. second time is sprayed paint process: again heat wheel hub at pretreatment line, and wheel hub is proceeded to painting line spray paint from processing line, has sprayed paint to be cured process successively to wheel hub afterwards;
E. check processing: paint film property detection is carried out successively to wheel hub, outward appearance detects and dynamic balancing detects.
2. wheel hub application according to claim 1 is dusted lacquer spraying technique, it is characterized in that, the heating-up temperature heated wheel hub on pretreatment line in described step a is 120 ± 10 DEG C, and the heating-up temperature heated wheel hub on pretreatment line in step b is 150 ± 10 DEG C.
3. wheel hub application according to claim 1 is dusted lacquer spraying technique, it is characterized in that, solidification process in described step a is processed by baking oven, and oven temperature is 150 DEG C, and hardening time is 25-45min, solidification process in described step b is processed by baking oven, oven temperature is 195 ± 5 DEG C, and hardening time is 20-25min, and the solidification process in steps d is processed by baking oven, oven temperature is 185 ± 5 DEG C, and hardening time is 30-35min.
4. wheel hub application according to claim 1 is dusted lacquer spraying technique, and it is characterized in that, the cooling processing in described step a is for be cooled to room temperature by cooling air channel by wheel hub.
5. wheel hub application according to claim 1 is dusted lacquer spraying technique, and it is characterized in that, the grinding process in described step a, to the 200 order sand paperings of the serious particle of wheel hub, re-uses 1000 order sand paperings, and slight granule 800 order sand paper hands are polished.
6. wheel hub application according to claim 1 is dusted lacquer spraying technique, it is characterized in that, the examination criteria that the dynamic balancing in described step e detects is static unbalance≤20g.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410184096.1A CN104014470B (en) | 2014-05-05 | 2014-05-05 | Wheel hub application is dusted lacquer spraying technique |
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| CN201410184096.1A CN104014470B (en) | 2014-05-05 | 2014-05-05 | Wheel hub application is dusted lacquer spraying technique |
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| CN104014470A CN104014470A (en) | 2014-09-03 |
| CN104014470B true CN104014470B (en) | 2016-01-13 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104668167A (en) * | 2015-02-04 | 2015-06-03 | 安徽永昌金属制品有限公司 | High-saturation paint spraying technique |
| CN104689967A (en) * | 2015-02-04 | 2015-06-10 | 安徽永昌金属制品有限公司 | Zapon lacquer spraying technology for cast aluminium alloy part |
| CN104959288A (en) * | 2015-06-05 | 2015-10-07 | 柳州金茂机械有限公司 | Hub painting technology |
| CN104923465A (en) * | 2015-06-05 | 2015-09-23 | 柳州金茂机械有限公司 | Automobile paint spraying process |
| 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 |
| CN105935650A (en) * | 2016-04-26 | 2016-09-14 | 安徽珩业车轮有限公司 | Method for painting automobile hub |
| CN105855154A (en) * | 2016-04-26 | 2016-08-17 | 安徽珩业车轮有限公司 | Method of spraying coating on hub for automobile |
| CN106493052A (en) * | 2016-12-21 | 2017-03-15 | 苏州曼柯精密部件有限公司 | The lacquer spraying technique of motion bracelet plastic cement form |
| CN106824724A (en) * | 2017-03-02 | 2017-06-13 | 秦皇岛中秦渤海轮毂有限公司 | A kind of imitative plating spraying coating process of colour for wheel hub |
| CN108636743A (en) * | 2018-05-11 | 2018-10-12 | 秦皇岛中秦渤海轮毂有限公司 | A kind of three-stage aluminium alloy wheel hub chromatography spraying process |
| CN110180768A (en) * | 2019-05-23 | 2019-08-30 | 雅安宸皓机械有限公司 | Automotive hub processing technology |
| CN114292534A (en) * | 2021-12-31 | 2022-04-08 | 常州市业峰汽车部件有限公司 | Surface coating process for low-pressure cast hub |
| CN115041931A (en) * | 2022-08-15 | 2022-09-13 | 无锡锦绣轮毂有限公司 | Positioning tool for hub machining protection and spraying method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830147A (en) * | 2010-05-27 | 2010-09-15 | 尤飞君 | Color ring-decorating wheel hub and manufacture method thereof |
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2014
- 2014-05-05 CN CN201410184096.1A patent/CN104014470B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830147A (en) * | 2010-05-27 | 2010-09-15 | 尤飞君 | Color ring-decorating wheel hub and manufacture method thereof |
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Effective date of registration: 20160829 Address after: 214000, Wuxi, Jiangsu province Huishan jade Town Industrial Zone Patentee after: Wuxi Daika Wheel Hub Manufacturing Co., Ltd. Address before: 214183, Wuxi, Jiangsu province Huishan jade Town Industrial Zone Patentee before: Wuxi Jinxiu Hub Co., Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140903 Assignee: WUXI JINXIU HUB Co.,Ltd. Assignor: WUXI DAIKA WHEEL HUB MANUFACTURING Co.,Ltd. Contract record no.: X2020980003673 Denomination of invention: Hub coating, powder-spraying and paint spraying technology Granted publication date: 20160113 License type: Common License Record date: 20200701 |
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