Inside and outside welding seam bead grinding machine for pipe end - Lsaw pipe mill - Tianshui Metalforming Machine Tool (group)Co,.Ltd

Name/Model	Φ508～Φ1422
Pipe diameter(mm)	Φ508～Φ1422
Wall thickness(mm)	X70≤40,Q345≤50
Typical steel grade	Max.X80
Pipe length(mm)	8000～12200
Max.Pipe weght(t/pcs)	21
Capacity(t/a)	15000
Welding seam bead specifications(mm)	Width 15～30，Height 0.5～4.8
Weld reinforcement of pipe welding seam bead after grinding(mm)	0～0.5
Grinding length(mm)	200～300(machine capacity 500mm)
Min.Height of inside grinding(mm)	+500
Travelling range of single grinding carriage(mm)	4000
Travelling speed of grinding carriage(mm/min)	4000
Up-down travelling range of grinding head(mm)	550(Internal grinding);1650(External grinding)
Axial travelling range of grinding head(mm)	900(Max.machining range 0～450)
Up-down travelling speed of grinding head(mm/min)	0～850(variable frequency control)
AXial travelling speed of grinding head(mm/min)	0～1250(variable frequency control)
Grinding speed of welding seam bead(mm/min)	100-300
Sanding belt linear speed(m/s)	30.5
Surface rounhness of welding seam bead after grinding(μm)	Ra≤3.2
Power(kw)	15
Pneumatic source(mpa)	0.4～0.6
Weight(kg)	3500
overall dim.(L×W×H)(mm)	Internal grinding machine 7000×1600×2850 EXternal grinding machine 7000×1600×3950