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小型二辊斜轧穿孔工具设计及调整的差异将造成所轧毛管内螺纹缺陷严重,分析了内螺纹形成的原因,介绍了减少内螺纹的措施及其效果。
The difference of the design and adjustment of the small two-roll inclined-hole punching tool will result in serious defects of the internal thread of the rolled capillary tube. The reason of forming the internal thread is analyzed. The measures of reducing the internal thread and the effect are also introduced.