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BuKePrinting >> knowledge >> 無線膠訂畫冊印刷對拉槽的操作工藝要求

無線膠訂畫冊印刷對拉槽的操作工藝要求

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-02-08 | 949 Views | Share:
無線膠訂畫冊印刷對拉槽的操作工藝要求

無線膠訂畫冊印刷對拉槽的操作工藝要求

拉槽是將銑切好的書背,用專用刀具按一定的距離和深度拉成起伏不平的凹槽,以增加熱熔膠對書芯的滲透性和接觸面積,使書頁之間能緊密地黏合,這就是拉槽的目的。


①拉槽的深度。

一般控制在0.5~0.8mm之間,若紙張厚、纖維性差則可拉得深一些;反之,可拉得淺一些。最深不得超過.5mm最淺不得少於0.5mm,這是保證膠訂書本質量要求的依據。


②拉槽之間的間隔距離。

兩個相鄰槽之間的距離一般為35mm。同時也可根據紙張的情況適當調整凹槽之間的距離。一般規定64開書芯拉4~6個槽,32開書芯6~8個槽,16開書芯8~10個槽,8開書芯10~12槽(鋸口數)。

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無線膠訂畫冊印刷對拉槽的操作工藝要求
無線膠訂畫冊印刷對拉槽的操作工藝要求

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