着重讨论塑料管材用橡胶圈(RR)伸缩节机械胀管模具。
The mechanical expansion pipe mould used for plastic RR reciprocal joint was discussed in detail.
文中通过对胀管器的运动分析，导出胀杆的轴向进量计算方法。
A method for calculating the axial feed of expanding rod is also advanced through the analysis of expander's motion.
本文论述了液袋式超高液压胀管技术的原理和液压胀管新设备的开发。
The principle of ultra - high pressure hydraulic tube expanding technology for liquid bag type expander is addressed in this article anddeveloping process for this new equipment has been discussed.
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