H beam auto-welding machine accepts the AC frequency conveyer to control speed with the merits of stable and reliable running and quick returning. It use the auto-arc tracing¢ering device to ensure the welding gun being auto and corrent centering to the target workpiece. Meanwhile, it is equipped by the auto welding flux feed and recovery system, easy operating and high efficiency. And the column-beam welding machine can increase the height of web accroding to de needof the users.

Technical Specifications

model	gauge（mm）	webplate（H mm）	wingplate（W mm）	welding speed（m/min）	Return speed（m/min）
LMH-4000	4000	200～1500	200～800	0.25～1.5	3
LMH-5000	5000	200～2000	200～800	0.25～1.5	3