結(jié)構(gòu)膠混合不均勻，雙組份打膠機局部會出現(xiàn)白色條紋。在光線比較亮的情況下，更加容易觀察。混合不均勻和混合均勻的情況，如下圖：結(jié)構(gòu)膠混合不均勻，會出現(xiàn)什么問題呢?結(jié)構(gòu)膠固化后的強度下降，固化交聯(lián)不完全、嚴重時候會發(fā)粘，無法固化等。

　　Uneven mixing of structural adhesive, white tape will appear in the two part gluing machine. It's easier to see when the light is brighter. The uneven mixing and mixing evenly, figure: structural adhesive is not mixed evenly, what will happen? Decreased structural adhesive strength after curing, curing incomplete, serious when will be sticky, not curing.

　　雙組分硅酮結(jié)構(gòu)膠是由主劑A組分(白膠)和固化劑B組分(黑膠)組成，通過雙組分打膠機，按廠家推薦的比例混合均勻后使用。混合后的結(jié)構(gòu)膠經(jīng)過一段時間固化，終獲得好的粘接性能和物理性能。但是，如果結(jié)構(gòu)膠混合不均勻后使用，結(jié)構(gòu)膠固化就會出現(xiàn)質(zhì)量問題。

　　The two-component silicone rubber structure is composed of main agent A component (glue) and curing agent B component (black glue), glue machine by two components, according to the manufacturer's recommended mixing ratio after use. The structural adhesive after mixing has been cured for a period of time and finally obtained good adhesion and physical properties. However, if the structural adhesive mixture is not uniform, the structural adhesive will be cured and quality problems will arise.

　　混合不均勻的結(jié)構(gòu)膠有以下四種情況及原因如下：

　　Mix uneven structural adhesive in the following four situations and the reasons are as follows:

　　①連續(xù)花膠：一般是混合器堵塞、混合器裝配錯誤或者使用的混合單元不夠多;

　　It is continuous: General mixer block, mixing unit assembly error or use enough;

　　②斷續(xù)有規(guī)律花膠：與系統(tǒng)性故障有關(guān)，如配比泵密封泄漏或者比例架磨損;

　　The law relating to it: intermittent system fault, such as the ratio of pump seal leakage or shelf wear ratio;

　　③斷續(xù)無規(guī)律花膠：與故障有關(guān)，如過濾器堵塞/針閥堵塞/壓盤故障/配比泵入口堵塞或者密封失效/安全閥及高壓球閥失效等;

　　The intermittent of it: and the fault, such as filter clogging / needle clogging / trouble / pressure plate proportioning pump entrance blocked or seal failure / safety valve and high pressure ball valve failure;

　　④短暫停槍后又開槍時，開頭出現(xiàn)一段花膠：主要是膠粘度匹配不理想，需要調(diào)整系統(tǒng)管道或降低工作壓力。

　　The gun and shot after a brief stop at the beginning, it is mainly a: viscosity, not ideal, need to adjust or reduce work pressure pipeline system.

　　上述出現(xiàn)花膠的四種情況都是通過排除打膠機故障來解決。

　　The above four cases appeared it are solved by gluing machine fault elimination.

　　打膠機要定期進行保養(yǎng)，確保打膠機可以正常工作。每次開機前必須做蝴蝶試驗，確保結(jié)構(gòu)膠混合均勻。

　　Make sure the glue machine can work properly. Butterfly test must be done before each turn on to ensure that the structure is well blended.

　　蝴蝶試驗的方法如下：將打膠機打出的混合好的膠擠到紙中間5-10克，折合紙將膠壓平。打開紙檢查膠樣，混合均勻的膠應(yīng)無異色條紋，如果膠出現(xiàn)異色條紋，則表明混膠不均勻，應(yīng)查找原因，問題解決后才能使用。

　　Butterfly test methods are as follows: will play the machine to play a good mix of glue squeezed to the middle of the paper 5-10 grams, folded paper will glue flat. Open the paper, check the glue sample, and mix the glue evenly. There should be no color stripes. If the glue appears in different stripes, it shows that the mixture is not uniform. The reason should be found and the problem can be solved.

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