Tube welding mill Mod.20-102 made by “Elektorstal”, new in 1991, reconstruction in 1995 with installation of universal stands for shaping & calibrating mills designed by Austrian company Voest-Alpine.
Mill allow to make a welding of rectangular tubes with conventional diameter 38x102mm(from 30x30 to 40x120mm) with high frequency current.
Power:1340kW
Welding device:400kW, 440 kHz
Welding speed:up to 90m/minute
Tube length:4200-8000mm
Tube thickness:1.5-3.0mm
Tube size range:
20?40,20?50, 25?35,25?40,25?50,25?55,25?60,28?40, 30?30,30?40,30?50,30?60.
40?40,40?50,40?60,40?70,40?80,
50?50,50?60,50?70,50?80, 60?60,72?80,120?40mm
Work piece: cold & hot rolled metal sheet (Steel 08?,08,10)
Inner roll diameter:500mm
Outer roll diameter:1500mm
Mill consist of:
-loading-uncoiling device
-straightening machine
-joint welding machine
-vertical storage
-S-shaped device
-shaping mill with universal stand
-high frequency current device
-flash trimmer
-cooler
-shaping-calibrating mill with three two-roll vertical stands, two four-roll stands and two turbo heads for counter twisting
-non-destructive tester
-cutting device
-speeding-up roll
-outlet roller conveyer
Mill comes with calibrating device allowing to process round tubes with diameter 38-102mm