Thin-walled bent tubes are a significant component utilized in the aerospace, shipbuilding,
and chemical industries, as well as considering that they are employed as fluid and gas …

Application of linear guideway has been widely developed for its high position accuracy,
movement efficiency and easy installation. The surface finishing of linear guideway by …

Thin-walled rectangular tube bent parts of continuous varying radii are widely used in
aircraft, aerospace, aviation, radar, and several high-tech industries to save space and …

Cross-sectional ovalization of thin-walled circular steel tube caused by large plastic bending
usually occurs at initial large bending stage in tube's continuous rotary straightening …

We report the fabrication and characterization of photonic structures using tapered optical
nanofibers. Thanks to the extension of the evanescent electromagnetic field outside of the …

A new process of continuous and synchronous calibration process of ovality and
straightness for LSAW (Longitudinally Submerged Arc Welding, LSAW) pipes with three …

At present, high straightness precision and good bar surface quality are difficult to meet at
the same time in the straightening process of bar. In view of this problem, this paper puts …

The continuous and synchronous calibration process for straightness and roundness of
LSAW (longitudinally submerged arc welding, LSAW) pipes with three rollers is a …

Aiming at the low efficiency and unstable accuracy of the current mold-pressing
straightening for LSAW pipes, a three-roll continuous straightening process is proposed in …

Large thin-walled pipes are commonly used in the field of oil and gas pipeline transmission.
In general, the straightness and ovality of pipes cannot meet the industry standard. They are …