結(jié)構(gòu)膠混合不均勻，局部會(huì)出現(xiàn)白色條紋。在光線比較亮的情況下，更加容易觀察?；旌喜痪鶆蚝突旌暇鶆虻那闆r，結(jié)構(gòu)膠固化后的強(qiáng)度下降，固化交聯(lián)不完全、嚴(yán)重時(shí)候會(huì)發(fā)粘，無(wú)法固化等。那么雙組份打膠機(jī)出現(xiàn)結(jié)構(gòu)膠混合不均的情況是什么原因造成的呢？我們又該如何避免呢？
Structural adhesives are unevenly mixed and white stripes appear locally. It is easier to observe when the light is brighter. When the mixing is not uniform and the mixing is uniform, the strength of the structural adhesive decreases after curing, the curing cross-linking is incomplete, and when the curing is serious, it will stick and can not be cured. So what is the reason for the uneven mixing of structural glue in the two-component glue beater? How can we avoid it?
混合不均勻的結(jié)構(gòu)膠有以下四種情況及原因如下：
There are four kinds of uneven mixing structural adhesives 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(cuò)誤或者使用的混合單元不夠多;
(1) Continuous gum: generally, the mixer is blocked, the mixer assembly is wrong or the mixing unit is not 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;
(2) Intermittent regular pattern gum: related to systemic faults, such as leakage of seal of proportioning pump or wear of proportioning frame;
③斷續(xù)無(wú)規(guī)律花膠：與故障有關(guān)，如過(guò)濾器堵塞/針閥堵塞/壓盤(pán)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;
(3) Discontinuous irregular pattern gum: related to faults, such as filter blockage/needle valve blockage/platen failure/ratio pump entrance blockage or seal failure/safety valve and high pressure ball valve failure;

④短暫停槍后又開(kāi)槍時(shí)，開(kāi)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。
(4) When the gun stops for a short time and fires again, a section of gum appears at the beginning: the main reason is that the gum viscosity matching is not ideal, and the system pipeline needs to be adjusted or the working pressure should be reduced.
要避免這種情況的出現(xiàn)，我們要對(duì)打膠機(jī)要定期進(jìn)行保養(yǎng)，確保打膠機(jī)可以正常工作。每次開(kāi)機(jī)前必須做蝴蝶試驗(yàn)，確保結(jié)構(gòu)膠混合均勻。蝴蝶試驗(yàn)的方法如下：將打膠機(jī)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(kāi)紙檢查膠樣，混合均勻的膠應(yīng)無(wú)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(wèn)題解決后才能使用。
To avoid this situation, we need regular maintenance of the glue machine to ensure that the glue machine can work properly. Butterfly test must be done before starting each machine to ensure that the structural glue mixes evenly. The butterfly test method is as follows: the mixed glue produced by the gluer is squeezed into the middle of the paper for 5-10 grams, and the folding paper is pressed flat. Open the paper and check the rubber sample. The glue with uniform mixing should have no heterochromatic stripes. If there are heterochromatic stripes in the glue, it shows that the mixing is not uniform. The reason should be found out and the problem can be solved before using it.
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The above is the wonderful content provided to you by the small edition of the two-component glue machine. For more details, you are welcome to collect our official website: http://m.dgjiaxing.com.cn.