机架采用优质钢板精加工而成，螺丝连接，避免了焊接造成的机架变形。
This machine USES high quality steel and connect with bolt rather than welding so as to avoid disfigure of the framework.
本实用新型公开了一种轧制精度高、机架变形小的数字液压控制铝箔精轧冷轧机生产线。
The utility model discloses a production line of a digital hydraulic control aluminum foil finish rolling cold mill which is high in rolling precision and small in frame deformation.
首先在第二种约束方式下，利用有限元模态分析方法对几种不同板厚的机架进行了动、静态分析，得到了机架变形、应力及各阶振型与频率。
First, using second constrain, the static state and dynamic analysis applied to the frame of a few thickness plates with FEM modal analysis, distortion, stress, vibration and frequency were gained.
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