10 lines of ERW tube mills installed in South America for steel pipes of furniture, construction, mechanical structures, automotive and etc.
OD precision can be controlled within ±0.02mm, oval tolerance to be ±0.02mm also, straightness ≤0.8mm/m.
The production speed can reach upto 120M/min with good quality welding seam.
The roller quick change system enables roller changes in 10 minutes and resumes production in 20 minutes.
The production line also designed to be high strength, CNC high precision for the roller stands of forming section, sizing section and straightening section, strict precision assembling also.