The paper discussed the design of U-pipebendingmachine based on hydraulic pressure automatic-control system.
本文介绍了基于液压控制系统的自动U型弯管机的设计。
2
Cut, threaded, and bends pipe to required Angle, using pipe cutters, pipe-threading machine, and pipebendingmachine.
用切割器、螺纹机、曲器，针对要求的角度来切割、螺纹、弯曲水管。
3
The paper, based on scientific research practice introduces an electric control principle on automation production line, which is applied to production of pipebendingmachine.