H Beam Submerged Arc Welding machine
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1.     Usage and Application of LHA& LHC& LHT Series H Beam Welding Machine:

1)      H Beam Submerged Arc Welding machine is the second set of core H Beam production machine in H Beam Production Line, and also the most important equipment for H Beam manufacture: This machine determines directly quality of welding H Beam produced (The first and Third H Beam Production Machine in H Beam Production Line: H Beam Assembly and Tack Welding Machine, H Beam Straightening Machine);

2)      As its product name suggests, this H Beam Welding Machine is used for welding the assembled and tack welded H Beam in the welding mode of submerged arc welding. In one piece of welding H Beam, there are four pieces of seams need to be welded (the top and bottom junctures between web and flanges of left and right side); 

Fig1 H Beam Welding Machine

3)      Because some countries and regions call “H Beam” as “I Beam”, this H Beam SAW Machine also has the name of I Beam Welding Machine, I Beam Submerged Arc Welding Machine, I Beam SAW Machine, etc.



2.     Classification of LHA& LHC& LHT Series H Beam Submerged Arc Welding Machine:

Depending on frame structure of all kinds of H Beam Welding Machine, this product group can be divided into three sub groups of:

1)      Gantry type (LHA series, including LHA, LHAZ, LHAC) I Beam Welding Machine:

Fig2 LHA H Beam Gantry Welding Machine

a)       This type of H Beam Submerged Arc Welding Machine is the top one selling volume among its product group. It has the other name of H Beam Gantry Welding Machine getting from its structure features;

b)      In practical application, this structure of equipment LHA&LHAZ&LHAC is used as individually working H Beam Welding Machine. Due to its structure, gantry type H Beam Welding Machine is not available for being used as H Beam Production Machine in automatic H Beam production line;

2)      Column type (LHC series) I Beam Welding Machine:

Fig3 LHC H Beam Welding Machine

a)       Such structure of H Beam Submerged Arc Welding Machine is in majority used in automatic H Beam production line, and can also work individually;

b)      In other words, LHC is the only H Beam Welding Machine that can be used in automatic H Beam production line among product group of H Beam Submerged Arc Welding Machine;

3)      T type (LHT series) I Beam Welding Machine:

Fig4 LHT H Beam Welding Machine

a)       Same as LHA, LHT series H Beam Welding Machine is also used as separate H Beam SAW Machine (H Beam Submerged Arc Welding Machine), not available for being used as H Beam Production Machine in automatic H Beam production line;

b)      Check appearance of the LHT H Beam Welding Machine, you can find it can be viewed as a kind of deformed H Beam Gantry Welding Machine.



3.     Suitable Workpiece Size for LHA, LHC and LHT series H Beam Submerged Arc Welding Machine:

a)       For LHC series and LHT series H Beam Welding Machine, the standard H Beam delivered from the equipment is with web width up to 1500mm to 2000m, which can be designated by customer;

b)      For LHA series H Beam Welding Machine, based on its control manner and rail span, there are several options of sub classifications to choose from (detailed information please check introduction on each model of this H Beam Gantry Welding Machine):

LHA series Gantry   Structure H Beam Submerged Arc Welding Machine

Control Manner

Rail Span (mm)

Model

Max. Web Width (mm)

Center Control

4000

LHA4Z

1200

5000

LHA5Z

1800

5500

LHA55Z

2000

Lateral Control

4000

LHA4C

1500

5000

LHA5C

2000


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