The mandrel(including flexible balls) is the key to improving the forming limit and forming precision in thin-walledtube 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。
2
After visual inspection and metallographic test, analysis and discuss the welding zone cracking reasons for 6061 and A7003 aluminum alloy thin-walledtube after TIG (argon shielded arc) welding.