橡皮滚筒

3建立三点悬浮式橡皮滚筒的有限元模型，用BlockLanczos方法计算滚筒的固有频率、最大振幅和振型等参数，以确保印刷机的在高速运转时平稳工作。

Build finite element model of the float blanket cylinder structure and calculated the lower 4 inherent frequency of the structure with Block Lanczos method to ensure the cylinder work smoothly at high speed .

在ANSYS环境下建立了三点悬浮式橡皮滚筒的三维实体有限元模型，采用了模块BlockLanczos特征值求解法提取了橡皮滚筒的模态，并验证了胶印机的最大工作转速的可靠性。

This article has established three dimensions limited element model of three dot float blanket cylinder under the environment of ANSYS , adopted Block Lanczos characteristic value method to solve mode of blanket cylinder , verified the reliability of the offset machine at highest speed .

橡皮滚筒单偏心，使滚筒离让值有效减小，提高机器运转平稳性。

Rubber roller-eccentric , from the drum to effectively reduce the value and improve the smooth functioning of machines .

并采用有限单元法对橡皮滚筒进行弹性力学分析，通过最优化方法得到滚筒刚度矩阵，使印刷压力的分布均匀，提高了滚筒抗弯刚度。

It analyzes blanket cylinder with finite element method , and optimizes the cylinder stiffness matrix , which improve the anti-bending stiffness of cylinder and make printing pressure more even .