CN106824722A - A kind of double-colored aluminum alloy wheel coating process - Google Patents
A kind of double-colored aluminum alloy wheel coating process Download PDFInfo
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- CN106824722A CN106824722A CN201611105417.XA CN201611105417A CN106824722A CN 106824722 A CN106824722 A CN 106824722A CN 201611105417 A CN201611105417 A CN 201611105417A CN 106824722 A CN106824722 A CN 106824722A
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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
- 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
- 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
-
- 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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/574—Three layers or more the last layer being a clear coat at least some layers being let to dry at least partially before applying the next layer
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of double-colored aluminum alloy wheel coating process.Two-color effect is realized by spraying colourful transparent powder in processing smart car aluminum alloy surface, wherein colourful transparent powder is any one colors different from colored paint color.Its technological process is：Material wheel → pretreatment → spraying bottom powder → spraying colored paint → machine adds smart car → pretreatment → spraying colourful transparent powder → finished product offline.Aluminum-alloy wheel surface state is enriched by spraying colourful transparent powder, and its covering effect is significantly stronger than normal transparent powder, does not exist disturbing reaction before colourful transparent powder and normal transparent powder, can mutually switch and use, and is easy to implement extensive commercial application.
Description
Technical field
The present invention relates to aluminum-alloy wheel field, and in particular to a kind of double-colored aluminum-alloy wheel external coating technique.
Background technology
In recent years, the sales volume of automobile shows the situation being skyrocketed through, and major automobile vendors are in order to more fierce
Market competition in occupy a tiny space, all increasing energy be placed on lifting product aesthetic property research and development among.Car
, used as the indispensable important component of automobile, the wheel with personalized, difference aspect is for lifting automobile entirety for wheel
Aesthetics, attract the favor of more consumers to have great importance.Wheel figure appearances personalized designs gradually
On the premise of moving towards bottleneck, design the aluminum-alloy wheel with multicolour and be just particularly important.
Double-colored aluminum-alloy wheel can be machined out by modes such as smart car, milling, polishings to wheel surface, and be sprayed
Effect of the layer of transparent coating to realize protecting the bright face of aluminium alloy for processing.With the maturation of this coating process
Degree more and more higher, middle high-equipped vehicle model increasing in recent years is assembled with the bright double-colored wheel in face of machining.But this technique is present
Certain limitation, that is, can only show aluminum substrate color in itself by machining the bright face of aluminium alloy for obtaining, and
Once slight erosion or impurity occur can have a strong impact on the aesthetic property for machining bright face.Therefore a kind of novel dual-color aluminium is developed to close
Golden hub surface coating process has great importance..
The content of the invention
The invention discloses a kind of double-colored aluminum-alloy wheel, and there is provided a kind of application suitable for double-colored aluminum-alloy wheel
Method.
A kind of double-colored aluminum alloy wheel coating process, its flow is：Material wheel → pretreatment → spraying bottom powder → spraying
Colored paint → machine adds smart car → pretreatment → spraying colourful transparent powder → finished product offline.
The pretreatment process includes prerinse, pre- degreasing, degreasing, washing, pickling, washing, passivation, washing, closing, water
The operation such as wash, dry, realizing that wheel surface forms passivating film, it is ensured that the paint film property after wheel application.Pretreated water baking oven temperature
It is 120-200 degrees Celsius to spend, and soaking time is 15-45 minutes.
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 150-250mm, electricity with wheel surface distance
It is 30-80KV to press, and powder outlet quantity is 1.5-5.0m3/ h, front bottom powder thickness is 70-150 μm.Workpiece surface temperature in the powder baking oven of bottom
At 160-190 degrees Celsius, soaking time is 5-20 minutes for control.
The spraying colored paint operation is sprayed using air cannon, and air cannon is 150-250mm, air cannon with wheel surface distance
Atomizing pressure is 1.5-5.0bar, and fan-shaped pressure is 1.5-5.0bar, tells paint amount for 30-90cc/min, and workpiece surface temperature is
40-60 degrees Celsius, colored paint coating thickness is 10-30 μm.Workpiece surface temperature control exists in the spraying colored paint operation baking oven
140-170 degrees Celsius, soaking time is 5-20 minutes.
The machine adds smart car operation, and rotating speed is 500-2000rpm, and feed rate is 0.05-0.30mm/r.
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is and colored paint face
Any one different color of color, electrostatic gun is 150-250mm with wheel surface distance, and voltage is 30-80KV, and powder outlet quantity is
1.5-5.0m3/ h, front transparent powder thickness is 70-150 μm.Workpiece surface temperature in the spraying colourful transparent powder operation baking oven
At 160-190 degrees Celsius, soaking time is 5-20 minutes for control.
Double-colored wheel spraying coating process of the present invention increased aluminum-alloy wheel and machine bright face compared with conventional technique
The selection of color, and for machining the defect and impurity on bright face there is certain covering to act on, it is beautiful for increasing wheel
The property seen and added value have great importance.
Specific embodiment
Embodiment 1.
A kind of double-colored aluminum alloy wheel coating process, its flow is：Material wheel → pretreatment → spraying bottom powder → spraying
Colored paint → machine adds smart car → pretreatment → spraying colourful transparent powder → finished product offline.
The pretreatment process includes prerinse, pre- degreasing, degreasing, washing, pickling, washing, passivation, washing, closing, water
The operation such as wash, dry, realizing that wheel surface forms passivating film, it is ensured that the paint film property after wheel application.Pretreated water baking oven temperature
It is 165 degrees Celsius to spend, and soaking time is 35 minutes.
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 180mm with wheel surface distance, and voltage is
45KV, powder outlet quantity is 2.4m3/ h, front bottom powder thickness is 78 μm.Workpiece surface temperature control is Celsius 173 in the powder baking oven of bottom
Degree, soaking time is 18 minutes.
The spraying colored paint operation is sprayed using air cannon, and air cannon is 180mm, air cannon atomization with wheel surface distance
Pressure is 2.8bar, and fan-shaped pressure is 2.6bar, tells paint amount for 37cc/min, and workpiece surface temperature is 43 degrees Celsius, colored paint spray
It is 11 μm to apply thickness.At 152 degrees Celsius, soaking time is 17 points for workpiece surface temperature control in the spraying colored paint operation baking oven
Clock.
The machine adds smart car operation, and rotating speed is 1200rpm, and feed rate is 0.12mm/r.
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is and colored paint face
Any one different color of color, electrostatic gun is 180mm with wheel surface distance, and voltage is 48KV, and powder outlet quantity is 2.5m3/
H, front transparent powder thickness is 86 μm.Workpiece surface temperature control is Celsius 172 in the spraying colourful transparent powder operation baking oven
Degree, soaking time is 18 minutes.
Embodiment 2.
A kind of double-colored aluminum alloy wheel coating process, its flow is：Material wheel → pretreatment → spraying bottom powder → spraying
Colored paint → machine adds smart car → pretreatment → spraying colourful transparent powder → finished product offline.
The pretreatment process includes prerinse, pre- degreasing, degreasing, washing, pickling, washing, passivation, washing, closing, water
The operation such as wash, dry, realizing that wheel surface forms passivating film, it is ensured that the paint film property after wheel application.Pretreated water baking oven temperature
It is 182 degrees Celsius to spend, and soaking time is 28 minutes.
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 220mm with wheel surface distance, and voltage is
73KV, powder outlet quantity is 4.2m3/ h, front bottom powder thickness is 134 μm.Workpiece surface temperature control is Celsius 182 in the powder baking oven of bottom
Degree, soaking time is 14 minutes.
The spraying colored paint operation is sprayed using air cannon, and air cannon is 220mm, air cannon atomization with wheel surface distance
Pressure is 3.8bar, and fan-shaped pressure is 3.7bar, tells paint amount for 66cc/min, and workpiece surface temperature is 54 degrees Celsius, colored paint spray
It is 27 μm to apply thickness.At 167 degrees Celsius, soaking time is 14 points for workpiece surface temperature control in the spraying colored paint operation baking oven
Clock.
The machine adds smart car operation, and rotating speed is 1500rpm, and feed rate is 0.22mm/r.
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is and colored paint face
Any one different color of color, electrostatic gun is 220mm with wheel surface distance, and voltage is 73KV, and powder outlet quantity is 4.3m3/
H, front transparent powder thickness is 133 μm.Workpiece surface temperature control is Celsius 184 in the spraying colourful transparent powder operation baking oven
Degree, soaking time is 13 minutes.
Embodiment 3.
A kind of double-colored aluminum alloy wheel coating process, its flow is：Material wheel → pretreatment → spraying bottom powder → spraying
Colored paint → machine adds smart car → pretreatment → spraying colourful transparent powder → finished product offline.
The pretreatment process includes prerinse, pre- degreasing, degreasing, washing, pickling, washing, passivation, washing, closing, water
The operation such as wash, dry, realizing that wheel surface forms passivating film, it is ensured that the paint film property after wheel application.Pretreated water baking oven temperature
It is 185 degrees Celsius to spend, and soaking time is 27 minutes.
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 230mm with wheel surface distance, and voltage is
55KV, powder outlet quantity is 3.2m3/ h, front bottom powder thickness is 115 μm.Workpiece surface temperature control is Celsius 180 in the powder baking oven of bottom
Degree, soaking time is 16 minutes.
The spraying colored paint operation is sprayed using air cannon, and air cannon is 230mm, air cannon atomization with wheel surface distance
Pressure is 3.1bar, and fan-shaped pressure is 3.0bar, tells paint amount for 55cc/min, and workpiece surface temperature is 50 degrees Celsius, colored paint spray
It is 14 μm to apply thickness.At 155 degrees Celsius, soaking time is 16 points for workpiece surface temperature control in the spraying colored paint operation baking oven
Clock.
The machine adds smart car operation, and rotating speed is 1000rpm, and feed rate is 0.15mm/r.
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is and colored paint face
Any one different color of color, electrostatic gun is 230mm with wheel surface distance, and voltage is 55KV, and powder outlet quantity is 3.3 m3/
H, front transparent powder thickness is 113 μm.Workpiece surface temperature control is Celsius 177 in the spraying colourful transparent powder operation baking oven
Degree, soaking time is 18 minutes.
Claims (5)
1. a kind of double-colored aluminum alloy wheel coating process, its flow is：Material wheel → pretreatment → spraying bottom powder → spraying color
Paint → machine adds smart car → pretreatment → spraying colourful transparent powder → finished product offline；Pretreatment process includes prerinse, pre- degreasing, takes off
The operations such as fat, washing, pickling, washing, passivation, washing, closing, washing, drying, it is characterised in that：
Pretreated water oven temperature is 120-200 degrees Celsius, and soaking time is 15-45 minutes；
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 150-250mm with wheel surface distance, and voltage is
30-80KV, powder outlet quantity is 1.5-5.0m3/ h, front bottom powder thickness is 70-150 μm；Workpiece surface temperature control in the powder baking oven of bottom
At 160-190 degrees Celsius, soaking time is 5-20 minutes；
The spraying colored paint operation is sprayed using air cannon, and air cannon is 150-250mm, air cannon atomization with wheel surface distance
Pressure is 1.5-5.0bar, and fan-shaped pressure is 1.5-5.0bar, tells paint amount for 30-90cc/min, and workpiece surface temperature is 40-60
Degree Celsius, colored paint coating thickness is 10-30 μm；Workpiece surface temperature control is in 140-170 in the spraying colored paint operation baking oven
Degree Celsius, soaking time is 5-20 minutes；
The machine adds smart car operation, and rotating speed is 500-2000rpm, and feed rate is 0.05-0.30mm/r；
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is with colored paint color not
Any one same color, electrostatic gun is 150-250mm with wheel surface distance, and voltage is 30-80KV, and powder outlet quantity is 1.5-
5.0m3/ h, front transparent powder thickness is 70-150 μm；Workpiece surface temperature control in the spraying colourful transparent powder operation baking oven
At 160-190 degrees Celsius, soaking time is 5-20 minutes.
2. according to double-colored aluminum-alloy wheel spraying method technique described in claim 1, it is characterised in that：
Pretreated water oven temperature is 150-195 degrees Celsius, and soaking time is 20-40 minutes；
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 160-220mm with wheel surface distance, and voltage is
45-75KV, powder outlet quantity is 2.0-4.5m3/ h, front bottom powder thickness is 85-135 μm；Workpiece surface temperature control in the powder baking oven of bottom
At 170-185 degrees Celsius, soaking time is 10-20 minutes；
The spraying colored paint operation is sprayed using air cannon, and air cannon is 160-220mm, air cannon atomization with wheel surface distance
Pressure is 2.5-4.0bar, and fan-shaped pressure is 2.5-4.0bar, tells paint amount for 35-70cc/min, and workpiece surface temperature is 40-55
Degree Celsius, colored paint coating thickness is 10-30 μm；Workpiece surface temperature control is in 145-170 in the spraying colored paint operation baking oven
Degree Celsius, soaking time is 10-20 minutes；
The machine adds smart car operation, and rotating speed is 1000-2000rpm, and feed rate is 0.10-0.20mm/r；
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is with colored paint color not
Any one same color, electrostatic gun is 160-220mm with wheel surface distance, and voltage is 45-75KV, and powder outlet quantity is 2.0-
4.5m3/ h, front transparent powder thickness is 85-135 μm；Workpiece surface temperature control in the spraying colourful transparent powder operation baking oven
At 170-185 degrees Celsius, soaking time is 10-20 minutes.
3. according to double-colored aluminum-alloy wheel spraying method technique described in claim 1, it is characterised in that：
Pretreated water oven temperature is 165 degrees Celsius, and soaking time is 35 minutes；
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 180mm with wheel surface distance, and voltage is
45KV, powder outlet quantity is 2.4m3/ h, front bottom powder thickness is 78 μm.Workpiece surface temperature control is Celsius 173 in the powder baking oven of bottom
Degree, soaking time is 18 minutes；
The spraying colored paint operation is sprayed using air cannon, and air cannon is 180mm, air cannon atomizing pressure with wheel surface distance
It is 2.8bar, fan-shaped pressure is 2.6bar, tells paint amount for 37cc/min, workpiece surface temperature is 43 degrees Celsius, colored paint spraying is thick
Spend is 11 μm；At 152 degrees Celsius, soaking time is 17 minutes for workpiece surface temperature control in the spraying colored paint operation baking oven；
The machine adds smart car operation, and rotating speed is 1200rpm, and feed rate is 0.12mm/r；
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is with colored paint color not
Any one same color, electrostatic gun is 180mm with wheel surface distance, and voltage is 48KV, and powder outlet quantity is 2.5m3/ h, just
Face transparent powder thickness is 86 μm；Workpiece surface temperature control is protected at 172 degrees Celsius in the spraying colourful transparent powder operation baking oven
The warm time is 18 minutes.
4. according to double-colored aluminum-alloy wheel spraying method technique described in claim 1, it is characterised in that：
Pretreated water oven temperature is 182 degrees Celsius, and soaking time is 28 minutes；
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 220mm with wheel surface distance, and voltage is
73KV, powder outlet quantity is 4.2m3/ h, front bottom powder thickness is 134 μm；Workpiece surface temperature control is Celsius 182 in the powder baking oven of bottom
Degree, soaking time is 14 minutes；
The spraying colored paint operation is sprayed using air cannon, and air cannon is 220mm, air cannon atomizing pressure with wheel surface distance
It is 3.8bar, fan-shaped pressure is 3.7bar, tells paint amount for 66cc/min, workpiece surface temperature is 54 degrees Celsius, colored paint spraying is thick
Spend is 27 μm；At 167 degrees Celsius, soaking time is 14 minutes for workpiece surface temperature control in the spraying colored paint operation baking oven；
The machine adds smart car operation, and rotating speed is 1500rpm, and feed rate is 0.22mm/r；
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is with colored paint color not
Any one same color, electrostatic gun is 220mm with wheel surface distance, and voltage is 73KV, and powder outlet quantity is 4.3m3/ h, just
Face transparent powder thickness is 133 μm；Workpiece surface temperature is controlled at 184 degrees Celsius in the spraying colourful transparent powder operation baking oven,
Soaking time is 13 minutes.
5. according to double-colored aluminum-alloy wheel spraying method technique described in claim 1, it is characterised in that：
Pretreated water oven temperature is 185 degrees Celsius, and soaking time is 27 minutes；
The spraying bottom powder operation is sprayed using electrostatic gun, and electrostatic gun is 230mm with wheel surface distance, and voltage is
55KV, powder outlet quantity is 3.2m3/ h, front bottom powder thickness is 115 μm；Workpiece surface temperature control is Celsius 180 in the powder baking oven of bottom
Degree, soaking time is 16 minutes；
The spraying colored paint operation is sprayed using air cannon, and air cannon is 230mm, air cannon atomizing pressure with wheel surface distance
It is 3.1bar, fan-shaped pressure is 3.0bar, tells paint amount for 55cc/min, workpiece surface temperature is 50 degrees Celsius, colored paint spraying is thick
Spend is 14 μm；At 155 degrees Celsius, soaking time is 16 minutes for workpiece surface temperature control in the spraying colored paint operation baking oven；
The machine adds smart car operation, and rotating speed is 1000rpm, and feed rate is 0.15mm/r；
The spraying colourful transparent powder operation is used and sprayed through electrostatic gun, and the colourful transparent powder color is with colored paint color not
Any one same color, electrostatic gun is 230mm with wheel surface distance, and voltage is 55KV, and powder outlet quantity is 3.3 m3/ h, just
Face transparent powder thickness is 113 μm；Workpiece surface temperature is controlled at 177 degrees Celsius in the spraying colourful transparent powder operation baking oven,
Soaking time is 18 minutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105417.XA CN106824722A (en) | 2016-12-05 | 2016-12-05 | A kind of double-colored aluminum alloy wheel coating process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611105417.XA CN106824722A (en) | 2016-12-05 | 2016-12-05 | A kind of double-colored aluminum alloy wheel coating process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115870201A (en) * | 2022-12-29 | 2023-03-31 | 大亚车轮制造有限公司 | Coating process for special stripes on wheel surface |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289957A (en) * | 2015-11-18 | 2016-02-03 | 威海万丰奥威汽轮有限公司 | Three-color aluminum alloy hub and production technology thereof |
-
2016
- 2016-12-05 CN CN201611105417.XA patent/CN106824722A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289957A (en) * | 2015-11-18 | 2016-02-03 | 威海万丰奥威汽轮有限公司 | Three-color aluminum alloy hub and production technology thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115870201A (en) * | 2022-12-29 | 2023-03-31 | 大亚车轮制造有限公司 | Coating process for special stripes on wheel surface |
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Application publication date: 20170613 |