Through the analysis of dimensional chain when rolling thread on double-roller machine tool, the effective factors of thread precision were presented, and the way to solve was given.

本文通过对在双滚柱机上滚压螺纹时，形成尺寸链的分析，找出影响螺纹精度的因素，并提出了解决途径。

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The old roller machine to use for half a year would need to open the repair, replacement or repair welding roller body.

而旧型对辊机使用半年就需拆开大修、更换辊体或进行补焊。

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Software developing principle of CAD for roller machine has been introduced with background, structure, pri-mary contents and methods.

介绍了卷板机CAD软件的开发原理，给出了系统的开发背景、结构、基本内容和方法。

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In the A plot, the nine-year-old half brothers Phineas and Ferb fill a summer day with some insanely ambitious project: making a building as high as the moon, a time machine, a roller-coaster.

NEWYORKER: It��s Good Enough For Me