1.Description
This equipment is specially used for producing diameter up to 75mm with max thickness 1.0-3.0mm in round, rectangle, square, triangle shape high-frequency welded pipes.
The tube mill line including the un-coiler, cage-style storage box, feeding and leveling unit,main forming machine, high-frequency welding and removing burrs,cooling tank, sizing machine,fly-saw cutting machine, product table
2.Producing Process
Raw material---de coiling---feeding and leveling---main forming---high-frequency welding---removing burrs---cooling---sizing---straightening---cutting to length---product table
3.De coiler:
3.1 carrying capacity 2 tons;
3.2 inner diameter 480-550mm
3.3 outer diameter 800mm-1400mm
3.4 width of strip coils: 48-200mm
3.5 double side 360 degree rotary manually expanding tight,
which insure steel coils feeding alternatively
4.Feeding and leveling
4.1 a pair of feeding rollers
4.2 Five leveling rollers
5.Roll forming machine
5.1 Horizontal Shaft diameter: φ60mm, Material: 40Cr
Rollers: 7 steps
Structure: Cantilever type, changing rollers in the side
5.2 Vertical shaft diameter: φ45mm, Material: 45# steel
Rollers: 6 steps
Structure: passive rotation
5.3 Forming speed: 40-100m/min
5.4 Transmission: universal shaft and gear box
The main unit is connected with main reducer by major motor and transmits power to
gearbox branches, then gearbox branches drive upper and down shafts on horizontal
roller frame.
5.5 Main Motor: 132kw
