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無線裝訂畫冊印刷膠水的溫度控制

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-02-09 | 942 Views | Share:
無線裝訂畫冊印刷膠水的溫度控制

無線裝訂畫冊印刷膠水的溫度控制



膠加熱溫度不夠或溫度不均勻缺乏滲透性,應根據使用要求提高加熱溫度。需要特別指出的是,必須用電子式、水銀柱式等溫度計驗證膠溫顯示溫度與實際溫度之間有無差異。若溫控部分有故障或誤差較大,應維修或更換部件。但大多數情況下,膠實際溫度低於顯示溫度,這是由於膠鬥底有過多的沉積物所致,如有紙屑或分離出來的輔料。這些雜質導熱性差、易升溫,而控溫感應元件就在附近,故顯示溫度實際上是該處溫度,實際膠溫則遠低於顯示溫度。遇此情況,需經常清除膠鬥中的沉積物,經常使用白色熱熔膠時則更要經常清理膠鬥。實際上沉澱物的多少也是判斷膠優劣的依據之一,若沉澱物較多傳遞到書背上,黏結力很低,是很難膠訂好書本的。

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無線裝訂畫冊印刷膠水的溫度控制
無線裝訂畫冊印刷膠水的溫度控制

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