关于汽车车身用塑料部件,以下说法不正确的是:
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A.
比强度低
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B.
质量轻
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C.
容易着色
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D.
不导电
涂装作业时长时间接触有害气体时应佩戴何种防护面罩?
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A.
防尘呼吸保护器
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B.
活性炭呼吸保护器
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C.
全面式供气呼吸保护器
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D.
口罩
如果喷涂中涂底漆之前的表面比较平整,打磨时应选用以下何种型号的砂纸打磨
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A.
P800
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B.
P320
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C.
P400/P500
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D.
P1000
颜色的三个属性是:
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A.
色度、纯度和饱和度
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B.
色相、明度和彩度
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C.
色调、色相和色彩
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D.
亮度、白度和色品
进气过滤棉一般在使用中建议( )小时,或沉积的灰尘较多时,应进行更换
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A.
80-100
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B.
120-150
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C.
60-80
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D.
100-120
驳口清漆主要用于哪种涂料喷涂前使用( )
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A.
双组份面漆
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B.
金属底色漆
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C.
清漆
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D.
单工序面漆
打磨缺陷主要使用( )打磨机
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A.
单作用
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B.
5mm双作用
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C.
3mm双作用
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D.
7mm双作用
去除旧漆膜不可以使用的打磨机是( )
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A.
单作用打磨机
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B.
偏心距7mm的双动作打磨机
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C.
偏心距3mm的双动作打磨机
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D.
偏心距5mm的双动作打磨机
去除旧漆膜的砂纸的型号是:
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A.
P80-P120
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B.
P240
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C.
P150
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D.
P60-P80
喷涂时要求喷漆房空气流速在( )m/s。
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A.
0.2-.3
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B.
0.2-0.8
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C.
0.2-0.4
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D.
0.2-0.6
关于幼滑原子灰以下哪种说法是错误的?
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A.
以双组份产品较为多见
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B.
主要用于填补极其微小的凹坑、砂眼
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C.
附着力较差
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D.
膏体极其细腻
在维修厂对汽车涂膜进行加温烘烤时,一般温度达到( )以上时,即会对汽车造成不良影响
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A.
90℃
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B.
60℃
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C.
70℃
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D.
85℃
汽车经过涂表后,除使汽车具有优良的外现外,还使汽车车身耐腐蚀,从而提高汽车的( )。
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A.
使用价值
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B.
商品价值
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C.
商品价值和使用价值
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D.
性能
涂料的主要成膜物质是( )。
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A.
颜料
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B.
树脂
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C.
溶剂
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D.
助剂
环保型喷枪又称为( )喷枪
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A.
HP(高气压)
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B.
HVLP(高流量低气压)
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C.
HPLV(高气压低流量)
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D.
RP省漆高效
光是以电磁波的形式传播的,白光(可见光)的波长是( )纳米之间,
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A.
380—780
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B.
300—700
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C.
300—780
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D.
380—700
当三工序面漆出现损伤后,采用( )工艺最为合适
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A.
板块间过渡
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B.
点修补
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C.
全车喷涂
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D.
整板喷涂
驳口溶剂的主要作用是( )
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A.
过渡颜色
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B.
溶解粗粒
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C.
增强附着力
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D.
调整光泽
汽车维修行业通常用来烘烤涂膜的红外线烤灯是( )。
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A.
短波红外线
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B.
中波红外线烤灯
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C.
量子烤灯
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D.
长波红外线烤灯
以下说法错误的是:
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A.
汽车车身的涂装修复主要是防腐,其次才是美观
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B.
在塑料件的涂装修补中涂料的选择施工方法将决定修补涂装质量
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C.
塑料具有较差的防腐蚀能力
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D.
进行塑料涂装前不需要做防腐处理
- 第2部分
- 总题数: 20
汽车维修行业中,砂纸上所用的磨料有:
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氧化铝
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石英砂
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碳化硅
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锆铝
导致产生溶剂泡的原因有( )
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涂膜太厚
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烘烤温度过高
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烘烤距离过远
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层间闪干时间不足
调色时为了准确把握色母特性,应使用的颜色工具有( )。
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色母指南
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电子秤
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测色仪
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色母挂图
关于颜色的三个属性,以下说法正确的是:
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明度与光源亮度无关
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色调又称色相是区分不同色彩的视觉属性
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明度是人眼对物体明亮程度的感觉
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彩度又称饱和度是表示颜色的色纯度
气动打磨工具的优点:
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安全性好
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维修简单
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寿命长
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使用轻便
喷漆房主要由房体、( )、( )、照明系统、( )系统、电控系统等部分组成
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送排风系统
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空气净化
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供气系统
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加热系统
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工作岗
关于涂料的流平性,以下观点正确的是:
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涂料的流平性太好,易产生流挂、流痕等缺陷
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涂料的流平性是检测涂料经涂饰后,刷纹或橘皮消失,形成平滑表面所需要的时间
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一般要求,涂料的流平时间要小于干燥时间
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涂料的流平性越好,涂膜产生涂装缺陷的可能性越小
影响抛光效果的因素有( )
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蜡的品质
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抛光机的转速
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砂纸的粗细
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抛光盘的材料
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打磨机的类型
产生鱼眼的主要原因有( )
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没有清洁干净
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外来污染物所致
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使用了会产生鱼眼的添加剂
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喷涂前用手触摸过表面
汽车生产厂所生产的不同批次新车颜色有差异的原因有( )。
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不同批次的OEM高温漆颜色有差别
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更换高温漆供应商
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涂装生产线涂装条件的变化
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新车运输及存放时受环境因素影响导致颜色产生轻微变化
以下关于面漆分类的说法,正确的是( )。
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按颜色效果可分为纯色漆、金属漆和珍珠漆等
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按成膜物质种类可分为硝基漆、醇酸漆和丙烯酸漆等
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按固化机理可分为溶剂挥发型、氧化型和交联反应型等
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按施工工序可分为单组分、双组分等
固化剂也称 ( ),是一种具有催化作用的化合物。
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干燥剂
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催化剂
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催干剂
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硬化剂
如果喷幅过小的原因,可以从以下几方面去查看,以下说法正确的是:
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选用喷枪型号或喷嘴口径不恰当
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调配后的油漆没有搅拌均匀
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油漆的喷涂粘度过高
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喷涂压力高
关于湿碰湿中涂漆以下说法正确的是( )
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用于快速实现面漆的遮盖力。
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用于新件或损伤部位很小的板件 ,喷涂结束后无需打磨
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用于涂敷没有损伤的新面板
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可以防止面漆溶剂渗透。
能采用双工序施工方式的面漆品种主要有( )
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遮盖力较差的珍珠漆
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素色漆
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水性金属漆
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金属漆
去除旧漆膜时如果凹陷没有清除干净,可以如何处理?
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P60-P80砂纸
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P80-P120砂纸
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打磨机
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手工清除工具
塑料件材质的鉴别方法主要有( )
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查看塑料代号
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打磨鉴别
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焊接鉴别
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燃烧鉴别
底漆是底材与各涂层之间的黏结层,底漆具有以下的作用
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填补细小砂眼
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防腐蚀
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增加外围漆膜附着力
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隔离作用
光线的哪两个因素影响感知发出的光线颜色?( )、( )
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红外线
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光照强调
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光波
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光源
以下( )属于热塑性塑料
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聚氯乙烯
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聚乙烯
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聚四氟乙烯
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聚氨酯
- 第3部分
- 总题数: 20
锌表面光滑并会与涂料反应生成锌皂,影响附着力故需作磷化处理。
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红绿黄三种颜色无法通过混合其他颜色获得,所以红绿黄被称为三基色
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使用双轨道偏心式打磨机打磨腻子时,为了提高研磨效果,一般要加装软磨垫。
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塑料件在维修时一般需要先拆卸下来后,再进行涂装操作
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汽车修补行业降低VOCs最为有效的方法是使用水性底色漆。
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双作用打磨机较单作用打磨机的切削力强。
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普通中涂底漆也可以采用湿碰湿的方法,即表面闪干至哑光状态后直接喷涂面漆
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反向遮蔽主要用于有明细边界线或缝隙的部位。
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为了提高工作效率,节省时间可以在等待底漆或中涂底漆干燥时调配底色漆
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汽车表面前处理时一定是按照去除旧漆膜、打磨羽状边、羽状边粗化的工艺流程进行
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涂膜缺陷只能在出现后进行处理,而没有办法提前预防
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一般尘点可以通过打磨抛光的方法进行处理
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中涂底漆是用于底漆涂层与面漆涂层之间的底漆,俗称为“头道底漆”
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所有塑料件表面可以使用同一种塑料底漆,以增强其附着力。
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除油时使用过的除油布属于危险废弃物。
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颜色有8个基本名称
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视网膜上有感应颜色的细胞来感知颜色,因此近视或远视对感知颜色也有影响
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汽车修补用中涂底漆的填充型和打磨性一般是由体质颜料提供的
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打磨是干磨砂纸和水磨砂纸可以代替使用
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使用环保喷枪能够显著减少涂料用量。
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颜色微调时,以下哪种类型的面漆调色时只考虑正面观察,无需进行侧面观察
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A.
纯色漆
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B.
普通金属漆
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C.
UV清漆
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D.
珍珠漆
粗抛光时的转速一般控制在( )转/分钟
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A.
2200-2500
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B.
1200-2000
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C.
2500-3000
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D.
800-1000
以下不属于遮蔽纸的优点的是( )。
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A.
可以快速吸干油漆
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B.
综合成本较低
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C.
耐溶剂
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D.
经过了防静电处理
汽车维修企业常规用的喷漆房排风量大约( )立方米每小时。
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A.
22500
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B.
28500
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C.
12500
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D.
32500
红色和蓝色等量混合会等到何种颜色?
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A.
紫色
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B.
绿色
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C.
黄色
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D.
橙色
空气喷涂的漆雾可以飞溅到涂饰区外( )米
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A.
0.5-1
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B.
3-4
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C.
2-3
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D.
1-2
底漆漆膜的强度和结合能力的大小决定于漆膜的厚度、均匀度。底漆漆膜一般不宜过厚,以多少为宜?
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A.
5-10微米
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B.
15~20微米
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C.
20-25微米
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D.
5微米
涂装作业时长时间接触有害气体时应佩戴何种防护面罩?
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A.
口罩
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B.
防尘呼吸保护器
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C.
全面式供气呼吸保护器
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D.
活性炭呼吸保护器
打磨工具配有不同软硬的打磨垫,磨腻子一般采用()
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A.
软磨垫
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B.
硬磨垫
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C.
耐高温磨垫
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D.
超软磨垫
环保型喷枪的材料传递效率一般在( )%以上
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A.
45%
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B.
70%
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C.
65%
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D.
55%
水性漆面漆喷涂请使用的尼龙过滤网的规格是( )
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A.
100µm
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B.
150µm
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C.
200µm
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D.
125µm
现代汽车常使用的面漆品种中,能通过肉眼看到涂层里面含有明显颗粒的油漆是( )
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A.
金属面漆
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B.
素色面漆
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C.
清漆
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D.
聚氨酯面漆
打磨缺陷主要使用( )打磨机
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A.
单作用
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B.
7mm双作用
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C.
5mm双作用
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D.
3mm双作用
如果喷涂中涂底漆之前的表面比较平整,打磨时应选用以下何种型号的砂纸打磨
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A.
P800
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B.
P320
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C.
P1000
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D.
P400/P500
关于免磨中涂漆以下说法正确的是
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A.
用于快速实现面漆的遮盖力。
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B.
用于涂敷没有损伤的新面板
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C.
用于整平区域
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D.
用于新件或损伤部位很小的板件 ,喷涂结束后无需打磨
去除旧漆膜的砂纸的型号是:
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A.
P60-P80
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B.
P80-P120
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C.
P240
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D.
P150
缝隙胶带的材质为( )
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A.
聚氯乙烯
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B.
聚乙烯
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C.
聚氨酯
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D.
聚氯乙烯
SATA5000供气式全面防护面罩颜色识别系统有几种可供选择?
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A.
5
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B.
4
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C.
3
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D.
6
颜料按化学成分可以分为( )两大类
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A.
有机和无机
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B.
着色和防腐
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C.
鲜艳和昏暗
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D.
天然和合成
以下说法正确的是( )
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A.
颜色微调时应该尽量加入补色,因为会使彩度降低很多
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B.
补色相加会相互减弱对方形成一个灰暗的颜色
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C.
补色相减会相互减弱对方形成一个灰暗的颜色
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D.
补色相加会相互提亮对方形成一个亮的灰色
- 第2部分
- 总题数: 20
以下( ) 、( )是次级色
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蓝
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紫
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红
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绿
打磨机的种类很多,按打磨机的驱动方式可分为:
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双作用打磨机
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单作用打磨机
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气动打磨机
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电动打磨机
不同光源可能会产生不同颜色和不同强调的光,比色时常常会用到以下哪几种光源?
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A
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钠灯灯光
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D65
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TL84
产生鱼眼的主要原因有( )
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没有清洁干净
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喷涂前用手触摸过表面
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外来污染物所致
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使用了会产生鱼眼的添加剂
根据不同修补漆程序的要求中涂底漆可分为:
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免磨中涂漆
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湿碰湿中涂漆
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打磨中涂漆
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着色中涂漆
下列材料中属于中间涂料的是:
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原子灰
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磷化底漆
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二道浆
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防锈底漆
汽车面漆可实现的性能有:
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防腐
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耐候
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抗污
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装饰
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耐湿
喷枪空气帽上的三种小孔分别为( )孔、( )孔和( )孔
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中心孔
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辅助雾化孔
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中心雾化孔
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侧孔
汽车维修行业中,砂纸上所用的磨料有:
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石英砂
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锆铝
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氧化铝
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碳化硅
中涂底漆一般应具有以下几个方面的作用:
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防止面漆涂料溶剂浸透
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提高旧漆膜与原子灰或底漆层与面漆层的附着力
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中涂底漆还应具有抗石击和防紫外线的作用。
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填补平整表面
全车遮蔽可能用到的遮蔽材料有( )
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遮蔽薄膜
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遮蔽纸
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纸胶带
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缝隙胶带
原子灰按照其特点与用途有多种分类,以下哪种说法是正确的
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塑料原子灰
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喷涂原子灰
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刷涂原子灰
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合金原子灰
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普通原子灰
以下说法正确的是:
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面漆工序越多喷涂与修补越复杂
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纯色面漆的喷涂只能做单工序施工
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单工序颜色比较单调多工序效果比较丰富。
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单工序是指同一种涂料经喷涂即形成完整的面漆层。
以下会影响打磨速度和光洁度的因素有:
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运动方式
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砂纸粗细
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施工环境
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振幅大小
新型的电加热型烤漆房包括:
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量子加热型烤漆房
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UV烤漆房
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红外线烤漆房
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电加热烤房
光线的哪两个因素影响感知发出的光线颜色?( )、( )
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红外线
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光源
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光照强调
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光波
按照砂纸的形状分类可分为以下几种:
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异性砂纸
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圆形砂纸
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搭扣式砂纸
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海绵砂纸
涂料如果出现以下哪些问题应考虑停止使用( )。
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出现无法搅拌开的胶化结块
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粘度变得较高
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难以搅拌的凝固现象
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有胀罐现象
以下哪些是色母挂图中色母的特性:
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彩度
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颜色偏向
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正、侧面偏向
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色母组群
关于颜色的三个属性,以下说法正确的是:
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明度是人眼对物体明亮程度的感觉
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彩度又称饱和度是表示颜色的色纯度
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色调又称色相是区分不同色彩的视觉属性
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明度与光源亮度无关
- 第3部分
- 总题数: 20
喷涂水性底色漆前需要使用水性清洁剂清洁
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在遮蔽时可以选用不同规格、材质的遮蔽材料搭配使用,以提高工作效率
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除油时使用过的除油布属于危险废弃物。
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汽车表面前处理时一定是按照去除旧漆膜、打磨羽状边、羽状边粗化的工艺流程进行
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HVLP喷枪采用的是优化减压雾化技术,HVLP喷枪采用的是高流量低压力雾化技术。
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使用吹风枪干燥水性漆时,应从工件表面侧上方沿45︒角吹工件表面。
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抛光打蜡作业时只需要穿戴好工作服和劳保鞋,无需其它防护
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金属漆里面的银粉就是纯银制成的颜料颗粒
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施涂原子灰要快,必须在混合以后大约3 min以内施涂完
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没有涂装塑料件底漆的原厂塑料件,可以用合适的砂纸打磨后喷涂塑料底漆。
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采用胺/胺加合物类固化剂的环氧底漆比使用异氰酸酯固化的环氧底漆干燥速度要快
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为提高过滤效率,油水分离器应安装在主供气管道与空压机相距3米以内位置。
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红外线能够穿透漆膜使其从里往外干燥,干燥速度快于用烤漆房热风烘烤。
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局部修补涂装时,清漆层也建议采用局部喷涂的方法。
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面漆喷涂后的处理工作就是指抛光
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所有塑料件表面可以使用同一种塑料底漆,以增强其附着力。
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在施工时,根据施工温度选择合适型号的固化剂即可,稀释剂干燥速度对成膜质量影响不大
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金属底色漆喷涂时容易泛花,因此在施工时应适当提高涂料粘度
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涂膜缺陷只能在出现后进行处理,而没有办法提前预防
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铝及铝合金板材在打磨过程中会产生铝粉,所以对于铝和铝合金底材打磨时应建立专用的铝材打磨车间,但不必使用专门的铝干磨设备
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