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噴塑烤房加工中的常見問題及處理辦法

文章发布: 发表时间: 2016-05-05 14:34:35

噴塑加工線通常選用水簾噴漆室、水旋噴漆室、幹式噴漆室、臥式噴漆室等對工件進行噴塗。噴塑塗裝線通常選用靜電噴塗方式對工件進行噴塗,噴塑烤房的首要設備由噴粉室、靜電噴粉設備及噴槍、粉末收回設備等構成。現首要以噴漆塗裝線中的水簾噴漆室爲例進行概述和剖析。這種水簾噴漆室簡略有用,現在在噴漆塗裝線中使用較多。

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.

毛病景象構成因素處理辦法

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

針孔

pinhole

1.板面鏽蝕1.磷化後及時烘幹,立刻噴塗

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

2.鍍鋅底材含鋅離子2.脫氫處置(200℃,2h)

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

3.磷化前處置後發黃3.調整磷化液參數,留意遊離酸濃度不宜過高

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(工件周围圈状針孔)4.换新颖水

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

5.陰陽離子交流樹脂脫鹽水呈酸性5.停用,暫以自來水替代,化驗PH值,到達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.粉末質量6.取新穎樣粉,按規範條件固化以檢驗粉末質量

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

縮孔

Shrinkage

1.粉末出産過程中進水或油1.聯絡廠家換粉

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

2.噴塗過程中混進其它粉,不相容2.整理粉房須完全,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.外界攪擾物質汙染噴塗體系(包含工件)3.查看噴粉房,鏟除攪擾物

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

4.壓縮空氣含油量高4.查看空壓氣過濾器,加裝油水分離器,守時排放

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.底材外表有鏽層,未除盡1.除鏽應徹底

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

2.水洗(特別磷化後水洗)不潔淨2.檢查水洗水質

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

3.工件除油不徹底3.采用化學除油時,多用堿並增強水洗

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.懸挂鏈光滑油滴落在工件上4.檢查光滑油質量指標,必要時采用耐溫油,

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

塗層發黃變色

Yellowing of coating

1.烘箱設定溫度過高1.了解正常固化時刻並加以調整

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

2.直接燃氣進入烘箱2.加裝熱交換器

2 direct gas enters the oven 2 to add heat exchanger

3.工件在烘箱時刻過長,或輸送鏈中止工作3.了解烘烤條件,調查輸送帶運轉狀況

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.粉末質量4.供粉廠供給不同烘烤條件下的樣粉,

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

5.工件重複烘烤5.盡量一次烘烤完結,承認重複烘烤條件

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

6.塗料嚴重變色6.查看烘烤箱溫度是不是過高。查看粉末耐溫性

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