棧道護(hù)欄廠家直銷 興寧人行道欄桿 河流兩側(cè)防護(hù)欄

　在橋梁護(hù)欄上噴涂粉末時(shí)，請(qǐng)注意吊具的導(dǎo)電性，吊具上的涂層不應(yīng)太厚。如果太厚，可以通過集中焚燒去除設(shè)備上的涂層;因?yàn)楣ぜ苤兀员仨氝M(jìn)行設(shè)計(jì)。

When spraying powder on the bridge guardrail, please pay attention to the conductivity of the spreader, the coating on the spreader should not be too thick. If it is too thick, the coating on the equipment can be removed by centralized incineration; because the work piece is heavy, it must be designed.

　預(yù)烘烤的目的是去除工件上殘留的水分，其次是確保將一定厚度的粉末涂料更好地附著在工件表面，第三步是確保均勻地加熱工件盡快加快固化過程（歡迎免費(fèi)注冊(cè)，登陸中國(guó)瀝青網(wǎng)（瀝青在線）行業(yè)門戶網(wǎng)址connoreschrich.com，免費(fèi)發(fā)布供求，免費(fèi)發(fā)布產(chǎn)品，免費(fèi)發(fā)布企業(yè)動(dòng)態(tài)）。一般預(yù)烘烤溫度為80-140℃。

The aim of pre-baking is to remove the residual moisture on the workpiece, then to ensure that a certain thickness of powder coating better adhere to the surface of the workpiece, the third step is to ensure that the uniform heating of the workpiece as soon as possible to speed up the curing process. The pre-baking temperature is 80-140 °C.

 　對(duì)于橋梁護(hù)欄產(chǎn)品，根據(jù)其特點(diǎn)，采用自動(dòng)噴槍和手動(dòng)噴槍輔助噴涂相結(jié)合的方法，目的是實(shí)時(shí)監(jiān)控噴涂粉的質(zhì)量，確保產(chǎn)品質(zhì)量的穩(wěn)定。通常，純多酚粉末涂料的固化條件為200℃，10min，并通過調(diào)節(jié)加熱爐的溫度和鏈速來保證固化溫度和時(shí)間。

According to the characteristics of the bridge guardrail, the method of combining automatic spray gun with manual spray gun is adopted to monitor the quality of the powder in real time and ensure the stability of the product quality. In general, the curing condition of pure polyphenol powder coating is 200 ° C, 10 min, and the curing temperature and time are ensured by adjusting the temperature of heating furnace and chain speed.

橋梁護(hù)欄粉末噴涂用冷空氣干燥。在干燥過程中，檢查工件。對(duì)于下垂，起泡，打底和打孔等允許的缺陷，可用丙酮等稀釋粉末涂料。對(duì)缺陷表面進(jìn)行處理或噴涂，利用余熱固化需要修復(fù)的主要缺陷。根據(jù)涂膜的厚度選擇不同的處理方法。通常，有直接加載和重新噴涂，機(jī)械拋光以及用脫模劑處理的三種方法。

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