The cross-section distortion of bent tube is very small by using ball filler push bending process, with the ovality less than 1.5%.

运用珠粒填料推弯成形工艺成形出的管材截面畸变程度很小，椭圆度不超过1.5%。

youdao

The cross-section distortion of bent tube is very small by using ball filler push bending process, with the ovality less than 1.5%.

运用珠粒填料推弯成形工艺成形出的管材截面畸变程度很小，椭圆度不超过1.5%。

youdao