The mandrel(including flexible balls) is the key to improving the forming limit and forming precision in thin-walled tube NC bending process.
薄壁管数控弯曲中带芯头的柔性芯模是提高薄壁管件成形极限和成形精度的关键因素。
The mandrel is the most important heat-forming tool in MPM and its application effect decides the production cost of pipes.
芯棒是限动芯棒连轧钢管机组中最重要的热变形工具，其使用效果决定着钢管生产成本的高低。
The tool for realizing the method is provided with a tubular forming mould, a tube raw material mandrel, a catheter mandrel and a forming mould mandrel.
实现上述方法的工具，设有管状成型模具，还设有管材原料芯轴、导管芯轴和成型模具芯轴。
In the heat transfer device the capillary structure with thickness gradient is fabricated by centrifugal forming technology so that it is possible of non-mandrel bar technology.
制造该热传递装置主要是利用离心成型技术制作具有厚度梯度的毛细结构，使得无芯棒工艺成为可能。
In the heat transfer device the capillary structure with thickness gradient is fabricated by centrifugal forming technology so that it is possible of non-mandrel bar technology.
制造该热传递装置主要是利用离心成型技术制作具有厚度梯度的毛细结构，使得无芯棒工艺成为可能。
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