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    常見問題

    防火板在生產(chǎn)中易出現(xiàn)的問題有哪些?

    來源:http://www.kcrft.cn/ 日期:2022-04-08 發(fā)布人:admin
      
      板面局部有白花
      產(chǎn)生原因:表層紙含膠量不足或干燥中局部樹脂固化;表層紙揮發(fā)物含量過低;熱壓式壓力不均勻;忖墊材料無彈性;不銹鋼板表明不平;樹脂反應(yīng)過老,分子太大,樹脂流動性大。
      解決方法:提高表層紙樹脂含量或控制干燥溫度,防止局部樹脂固化;提高表層紙的揮發(fā)物含量;檢修熱壓機(jī),改進(jìn)加壓面的均勻性;定期更換忖墊材料;不銹鋼板定期拋光;樹脂應(yīng)分析檢驗(yàn),不合格指標(biāo)要求時停止使用。
      There are some white flowers on the surface
      Causes: insufficient glue content of surface paper or local resin curing in drying; The volatile content of surface paper is too low. Hot pressing type pressure is not uniform; Gasket material inelastic; Stainless steel plate shows uneven; Resin reaction too old, too large molecules, resin fluidity.
      Solution: increase resin content of surface paper or control drying temperature to prevent local resin curing; Increase the volatile content of surface paper; Repair the hot press, improve the uniformity of the pressure surface; Regular replacement of gasket material; Stainless steel plate regularly polished; Resin should be analyzed and tested, discontinue use when unqualified indicators are required.
      板面有濕花(水汽),邊緣較為嚴(yán)重
      產(chǎn)生原因:浸膠紙干燥后揮發(fā)物含量太高;印刷木紋的油墨或染料所用的溶劑不合適;浸膠干燥后的膠膜紙吸濕(回潮)。
      解決方法:降低浸膠紙干燥后的揮發(fā)物含量;調(diào)換油墨(染料)用的溶劑;注意膠膜紙的存放,一般可用塑料布遮蓋;
      There are wet flowers (moisture) on the board surface with severe edges
      Causes: the volatile content of immersion paper is too high after drying; Inks or dyes used in printing wood grain are not suitable solvents; After soaking and drying, the film paper is hygroscopic (moisture return).
      Solution: reduce the volatile content of the paper after drying; Change ink (dye) with solvent; Pay attention to the storage of film paper, generally can be covered with plastic cloth;
      防火板表面開裂
      產(chǎn)生原因:樹脂反應(yīng)過嫩,分子太小;樹脂固化不完全;表層膠膜紙含膠量太高。
      解決方法:不合格的樹脂停止使用;適當(dāng)提高熱壓溫度或延長熱壓時間;控制表層膠膜紙的含膠量。
      Cracked surface of decorative board
      Causes: resin reaction is too tender, the molecule is too small; Resin curing is not complete; Surface film paper contains too much glue.
      Solution: stop using unqualified resin; Appropriately increase the hot pressing temperature or prolong the hot pressing time; Control the glue content of surface film paper.
      裝飾板分層
      產(chǎn)生原因:膠膜紙揮發(fā)物含量太低,膠膜紙?jiān)诟稍飼r局部樹脂固化;膠膜紙樹脂含量不夠;壓力過低或熱壓時間不夠;膠膜紙之間有雜物。
      解決方法:控制揮發(fā)物含量不要過低,干燥溫度不要過高,時間不要過長、防止樹脂局部固化;提高膠膜紙含膠量;適當(dāng)提高壓力含延長加熱時間;鋪模時注意清楚雜物。
      Decorative lamination
      Causes: the volatile content of film paper is too low, the local resin curing of film paper when drying; Resin content of film paper is not enough; Pressure is too low or hot pressing time is not enough; There are sundries between the coated papers.
      Solution: control volatile content should not be too low, drying temperature should not be too high, time should not be too long, to prevent local curing of resin; Increase the glue content of film paper; Appropriately increase the pressure including prolong the heating time; Pay attention to clear sundries when laying molds.
      富美家防火板翹曲
      產(chǎn)生原因:各種原紙組織成分厚薄不均勻;膠膜紙含膠量不均勻,各處壓力不一致;壓制過程中保溫后未能進(jìn)行充分冷卻;
      解決方法:各種原紙應(yīng)符合工藝要求;保持樹脂濃度均勻,調(diào)整擠壓輥軸的間隙;冷卻到50度以下在進(jìn)行卸壓00。
      Warping of fumei's fire protection board
      Causes: the thickness of tissue components of various base paper is not uniform; Film paper glue content is not uniform, the pressure is not consistent; Not enough cooling after heat preservation in the process of pressing;Solution: all kinds of base paper should meet the process requirements; Keep the resin concentration uniform, adjust the clearance of the extrusion roller shaft; Cool to below 50 degrees before pressure relief 00.
      更多問題的了解,就來網(wǎng)站www.kcrft.cn看看吧!
      For more information, please visit www.kcrft.cn.

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