转鼓在制革湿加工过程中作用的说理

Theorem on drum application for leather wet treatment

生皮或者革实际上是一种毛细多孔体。当转鼓转动时 ,以下 2种效应加快了制革湿加工过程 :1在皮的弯曲中心处毛细管微孔张开 ,且弯曲中心处不断位移 ;2 2个固相 ,即皮与皮以及皮与转鼓内壁之间的相互摩擦 。

All the raw materials or leather is, in fact, a kind of capillary porosint, the following two effects accelerate the wet treatment of leather making while drum running:1)capillary tubes open at the flexing center of skins or leather, which moves constantly; 2) the rubbing effects, between skins or skin and the inner wall of drum, make the float under pressing therefore penetration into the skin or leather.