The needed pipe bending moment , wall thickness reduction and ovality of section are known by simulating.

通过模拟,计算管子弯曲变形所需的弯矩, 计算管子弯曲部分外壁减薄率和椭圆度.

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The drawing force, rational wall - thickness reduction and the characteristics of cold - draw process and equipment are analyzed.

分析了拔管时的拔制力 、 合理减壁率及冷拔工艺与设备特点.提出了全面控制工艺系统精度是提高产品质量的关键.

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