The longitudinal seam welding system is used to weld inside and outside seams of medium wall thickness tank; It supports PAW, TIG and MIG/MAG welding process. The material processed can be carbon steel, stainless steel, aluminum alloy, titanium alloy and so on. It is widely applied in various applications of food machinery, dyeing and finishing equipment, power switch bus bar chamber, medical instrument, special material pressure vessel, electric power pipeline, air conditioner shell and so on. The fixture can be added with height blocks and protection devices.

Features
  Use copper-made finger clamp to achieve small welding distortion and high welding quality;
  Suitable for welding longitudinal seams of 0.4mm-12mm wall thickness tank and plates;
  Suitable for TIG, MIG/MAG, PAW PLASMA+TIG welding process;
  Suitable for various materials, such as carbon steel, stainless steel, titanium alloy and aluminum alloy etc.;
  Optional to choose standard or cutomized mechanism according to work piece size.

Specification

Model	HL small size outside seam HL midium size outside seam HLN inside seam HL1500 HL2000 HL3000 HLN4000 HLN6000 HLN7500
Maximum welding length for single torch（mm）	1500	2000	3000	4200	6900	8400
Maximum welding length for double torch（mm）		1600	2600	3800	6100	7600
Maximum clamping length（mm）	1590	2100	3075	4200	6900	8400
Maximum clamping diameter for outside welding (mm)	φ850	φ1100	φ1200
Minimum clamping diameter for outside welding (mm) Circular mandrel Circular mandrel φ110 φ180 φ180 φ330 φ330
Minimum clamping diameter for inside welding(mm)		Φ2000	Φ2000	Φ1600	Φ1600	Φ1600
Minimum clamping wall thickness (mm)	0.4	1.0	1.0	1.5	1.5	1.5
Maximum clamping wall thickness (mm)	3.0	12	12	12	12	12
Adjustable fingers distance (mm)	7～33	5～40	5～40	10～40	10～40	10～40
Maximum single side pressure (kgf/cm)	15	30	30	30	30	30
Mandrel vertical traverse (mm)	15	30	30	60	60	60
Supporter adjustment (mm)	10	20	20	30	30	30
Centralizing adjustment (mm)	15	30	30	60	60	60
Welding trolley speed (mm/min)	60～1200	60～1200	60～1200	60～1200	60～1200	60～1200
Maximum trolley traverse (mm)	1600	3000	4000	6300	9000	10750
Dimension (LxMxH) (mm)	2530*820*1600	3500*1150*2300	4900*1200*2400	7100*1200*1800	9100*1200*1800	11050*1200*2000