丁基膠涂布機(jī)的常見原因
Common causes of butyl rubber coater
現(xiàn)象1:涂在鋁隔條上的丁基膠條有毛刺，不整齊。
Phenomenon 1: The butyl adhesive tape coated on the aluminum spacer strip has burrs and is irregular.
原因:兩個(gè)噴嘴出口處可能有雜質(zhì)或噴嘴不光滑。
Cause: There may be impurities at the outlet of two nozzles or the nozzles are not smooth.
解決方案或建議:檢查兩個(gè)噴嘴出口處是否有雜質(zhì)或噴嘴是否光滑。
Solution or suggestion: Check whether there are impurities at the outlet of two nozzles or whether the nozzles are smooth.
現(xiàn)象2:層壓后，丁基膠帶和第二層密封膠之間出現(xiàn)間隙(白線)。
Phenomenon 2: After lamination, there is a gap (white line) between butyl tape and the second layer of sealant.
原因:第二層密封膠涂抹不正確。
Cause: The second layer of sealant is applied incorrectly.
解決方案:在涂抹第二層密封膠時(shí)，應(yīng)使用適當(dāng)?shù)牧υ谝粋€(gè)方向上涂抹密封膠，以防止空氣包裹在密封膠中，降低中空玻璃的密封性能。
Solution: When applying the second layer of sealant, apply the sealant in one direction with appropriate force to prevent air from wrapping in the sealant and reduce the sealing performance of the insulating glass.
現(xiàn)象3:加熱后擠出不順暢，膠水容易斷裂(斷線)。
Phenomenon 3: The extrusion is not smooth after heating, and the glue is easy to break (broken wire).
原因:丁基密封膠應(yīng)用的關(guān)鍵是擠出。溫度控制在擠壓過程中非常重要。溫度控制是否恰當(dāng)，直接影響密封膠在整個(gè)過程中的流變狀態(tài)，影響產(chǎn)品內(nèi)在質(zhì)量的美觀。應(yīng)該非常注意溫度。過高的溫度會(huì)導(dǎo)致密封膠融化過多，沒有強(qiáng)度甚至根本無法形成(流動(dòng)現(xiàn)象)；溫度過低，膠水流動(dòng)性差，機(jī)器無法擠出膠水，影響施工進(jìn)度。這是擠壓不平滑的主要原因。另一個(gè)原因可能是丁基密封膠在制造過程中混入氣泡，導(dǎo)致擠出過程中膠水?dāng)嗔选?br /> Cause: Extrusion is the key to the application of butyl sealant. Temperature control is very important in extrusion process. Whether the temperature control is appropriate will directly affect the rheological state of the sealant in the whole process and the aesthetic appearance of the product's internal quality. Special attention should be paid to temperature. Too high temperature will lead to excessive melting of sealant, no strength or even no formation (flow phenomenon); The temperature is too low, the fluidity of glue is poor, and the machine cannot extrude glue, which affects the construction progress. This is the main reason for unsmooth extrusion. Another reason may be that butyl sealant is mixed with bubbles during manufacturing, resulting in glue fracture during extrusion.

解決方案:溫度通常在制造商提供的擠出溫度下選擇。擠出機(jī)溫度一般設(shè)定為機(jī)筒110-140℃，機(jī)頭112-142℃。為了使主機(jī)產(chǎn)生一定的壓力并均勻地熔融擠出，要求機(jī)頭的溫度高于機(jī)筒的溫度，并且溫度具有一定的滯后性。在調(diào)節(jié)過程中，應(yīng)注意逐漸加熱和冷卻。在開始涂膠之前，應(yīng)進(jìn)行適當(dāng)?shù)呐艢猓詼p少內(nèi)部氣泡和空隙，并防止擠出過程中產(chǎn)生的氣泡導(dǎo)致膠水?dāng)嗔选?br /> Solution: The temperature is usually selected at the extrusion temperature provided by the manufacturer. The extruder temperature is generally set as 110-140 ℃ for the barrel and 112-142 ℃ for the head. In order to make the host produce a certain pressure and uniformly melt and extrude, the temperature of the die head is required to be higher than the temperature of the barrel, and the temperature has a certain hysteresis. During the adjustment, pay attention to gradually heating and cooling. Before gluing, proper air exhaust shall be carried out to reduce internal bubbles and voids, and prevent bubbles generated during extrusion from causing glue fracture.
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The above is a detailed introduction to the butyl rubber coating machine for insulating glass, and we hope it will be helpful to you. If you have any questions, please contact us. We will provide you with our attitude http://www.hebeiruizhi.com