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喷塑烤房加工中的常见问题及处理办法

文章发布: 发表时间: 2016-05-05 14:34:35

喷塑加工线通常选用水帘喷漆室、水旋喷漆室、干式喷漆室、卧式喷漆室等对工件进行喷涂。喷塑涂装线通常选用静电喷涂方式对工件进行喷涂,喷塑烤房的首要设备由喷粉室、静电喷粉设备及喷枪、粉末收回设备等构成。现首要以喷漆涂装线中的水帘喷漆室为例进行概述和剖析。这种水帘喷漆室简略有用,现在在喷漆涂装线中使用较多。

Pensu processing line is usually used water curtain spray paint room, water whirling spraying chamber, dry paint room, horizontal spray paint room on the workpiece spray. Spray coating line usually choose electrostatic spraying method of workpiece spray, spray baking room is the first equipment by the powder room, electrostatic powder spraying equipment and spraying, powder recovery equipment. The first to spray curtain coating line in the spray chamber as an example of an overview and analysis. The water curtain spray booth simple useful, now used more in the painting line.

毛病景象构成因素处理办法

Approach to the treatment of the factors that constitute the fault scene

针孔

pinhole

1.板面锈蚀1.磷化后及时烘干,立刻喷涂

1 the 1 time after drying surface rust phosphating, immediately spraying

2.镀锌底材含锌离子2.脱氢处置(200℃,2h)

2 zinc ion containing 2 zinc ion (200 c, 2h)

3.磷化前处置后发黄3.调整磷化液参数,留意游离酸浓度不宜过高

3 before treatment after the treatment of Yellow 3 adjustment phosphating liquid parameters, pay attention to the concentration of free acid should not be too high

4.工件磷化后水洗不洁净(工件周围圈状针孔)4.换新颖水

4 after washing does not clean the workpiece phosphating (the workpiece around 4 for fresh water circular pinhole)

5.阴阳离子交流树脂脱盐水呈酸性5.停用,暂以自来水替代,化验PH值,到达6~7

5 Yin and Yang ion exchange resin was acidic 5 out of the water, temporarily replaced by tap water, the pH value of the test, reaching 6~7

6.粉末质量6.取新颖样粉,按规范条件固化以检验粉末质量

6 powder quality 6 sample powder, according to the standard conditions to test the quality of powder

缩孔

Shrinkage

1.粉末出产过程中进水或油1.联络厂家换粉

1 powder production process water or oil 1 contact manufacturers for powder

2.喷涂过程中混进其它粉,不相容2.整理粉房须完全,有固定的整理和查看程序

2 in the process of spraying into other incompatible powder, 2 finishing powder room shall be fully fixed, collate and check program

3.外界搅扰物质污染喷涂体系(包含工件)3.查看喷粉房,铲除搅扰物

3 interference substances pollution spraying system (including workpiece) 3 view dusting, eradicate the trouble things

4.压缩空气含油量高4.查看空压气过滤器,加装油水分离器,守时排放

4 see 4 high oil content of compressed air compressed air filter, add oil-water separator and punctual discharge

涂层部分或 大面积剥落

Partial or large spalling of the coating

1.底材外表有锈层,未除尽1.除锈应彻底

The 1 substrate appearance of rust layer, not in addition to all 1 rust should be thoroughly

2.水洗(特别磷化后水洗)不洁净2.检查水洗水质

2 water washing (especially after phosphate washing) 2 clean water to check the quality of water

3.工件除油不彻底3.采用化学除油时,多用碱并增强水洗

3 the work piece in addition to the oil is not completely 3 when using the chemical in addition to oil, the multi-purpose base and enhances the water washing

4.悬挂链光滑油滴落在工件上4.检查光滑油质量指标,必要时采用耐温油,

4 suspension chain smooth oil dripping on the workpiece 4 check oil quality indicators, when necessary using high temperature oil,

涂层发黄变色

Yellowing of coating

1.烘箱设定温度过高1.了解正常固化时刻并加以调整

1 oven set temperature is too high 1 to understand the normal curing time and to be adjusted

2.直接燃气进入烘箱2.加装热交换器

2 direct gas enters the oven 2 to add heat exchanger

3.工件在烘箱时刻过长,或输送链中止工作3.了解烘烤条件,调查输送带运转状况

3 the workpiece in the oven is too long, or the conveyor chain to suspend the work of 3 to understand the baking conditions, to investigate the conveyor belt running status

4.粉末质量4.供粉厂供给不同烘烤条件下的样粉,

4 powder quality for 4 factory supply under different curing conditions of sample powder,

5.工件重复烘烤5.尽量一次烘烤完结,承认重复烘烤条件

5 the work of repeated baking 5 as far as possible once the end of the baking, recognition of repeated baking conditions

6.涂料严重变色6.查看烘烤箱温度是不是过高。查看粉末耐温性

6 paint a serious discoloration of 6 to see the bake oven temperature is not too high. Temperature resistance of powder