Technical data of STRAIGHTENING MACHINE 1.Max yield limit oft the tube blank: 510 MPa 2.Outer diameter of tube blank:114-380 mm 3.Max. wall thickness of tube blank:4-25 mm 4.Straightening speed:6-30 m/min 5.Max travel of upper roller:310 mm 6.Adjusting range of lower roller (hand operated):0 ~ 20 mm 7.Arranging pattern of Straightening rollers: 2-2-2-1 Malposition 8.Lineraity of Straightening pipe:1 mm / m 9.Min.length of steel tube:4000 mm 10.Power driven lifting speed of upper roller:4.174 mm /S 10.Straightening roller (hand operated):28.5-33 degree 11.Spacing of straightening roller:1050 mm 12.Throat diameter of Straightening roller:400 mm 13.Length of Straightening roller:550 mm 14.Main motor Power:75 KW/Pcs.