通过组成环尺寸及公差计算，调整组成环的尺寸公差，以保证产品尺寸合格。

The composition loop dimension and tolerance is calculated and adjusted in order to guarantee products to have qualified dimension.

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在此基础上，对工作石膏型采用合理的烘烤和浇注工艺，得到了尺寸合格、表面质量好的铸件。

Using proper baking and pouring process for plaster mold, the castings with qualified size and good surface quality could be obtained.

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必须有效控制支承辊两侧轴承座的间距、保持密封件唇口良好接触状态及采用性能、尺寸合格的备件。

To control the clearance between both sides of bearing chuck in back-up roll, keep sealing tips in a good touching state and use correct spare parts both in function and dimension.

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