LHT T Type Heavy H Beam Submerged Arc Welding Machine
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LHT T Type Heavy H Beam Submerged Arc Welding Machine

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The LHT T type H Beam SAW equipment is counterpart of LHC in making large size H Beam in semi-automatic line, or work as individual. (Also can use LHA5C and LHZ55Z of gantry type H Beam SAW equipment, but as introduced earlier, for same size of H Beam produced, LHA has wider machine frame compared with LHT).

 

Introduction on T frame of T type H Beam SAW Equipment:

Frame is core and foundation for the machine. Playing the same role as gantry in the gantry H Beam SAW equipment, the T frame machine body has functions of:

  1) Bear the weight of main components of the equipment, including control board, 2 sets of flux recovery unit (around 70~80kgs each set at average, depending how much welding flux loaded); 2 sets of welding unit, covering carriage /welding torch/ wire feeder/ arc tracing unit; Transmission unit; Accessories; Altogether, only the 2 sets of welding power source are put on the floor. The remaining units are all fit onto the T frame;

  2) Drive the welding torchesin welding speed to finish SAW process

 

For these purposes, the T frame should be strong and sturdy, with sufficient strength and firmness, (likewise, gantry frame for gantry style H Beam SAW equipment, and column-beam-trolley frame for column H Beam SAW equipment), in the rough working environment of welding (lots of heat and fume/dust generated at site).

 

For these reasons,

  1) Rigidity and strength of the T frame are all calculated carefully. It has advanced and reasonable design. Main 

     members are distressed after welding, featuring in safe and reliable running with long-term service life;

  2) Same as column type H Beam SAW equipment, its travel is double drive (LHA also). - 

     - Both sides of the T frame are driven with 2 sets of A.C. motor and reducer, with speed controlled with 

       inverter (This is also true with LHA.);

    - At the lateral side of rails, there are stop-wheel units, ensuring smooth and safe running of T frame (This is also 

       true with LHA.);

  3) Control board is put at bottom of T frame on its chassis. This kind of arrangement not only has merit of short

       and easy cable routing, but also can be served as counter weight for T frame travel. Please check below picture

      (In red color square frame)

 Control board position

Operation of the LHT T type Automatic H Beam SAW Equipment:

Consoles of 2 sets of welding power are fit together with operating panel of machine. Please check the above picture also. (In green color square frame)

  1) The two black color consoles on the above of left and right are for 2 sets of welding power source respectively;

  2) The one light color console beneath is for machine. This panel also integrates management of flux recovery/ 

     wire feeder/ arc tracing unit.


With such convenient operation, the LHC is an efficient H Beam submerged arc welding machine.

 

Below are specifications of this LHT T type High Efficiency H Beam SAW Equipment:

Parameter

Specification

Note

Operator   Working Position

Beneath   T frame, between 2 supporting racks,

stand   on the floor

H Beam Flange Width (mm)

200 ~ 800


H Beam Flange Thickness (mm)

6 ~ 40

Can be special made

H Beam Web Height (mm)

200 ~ 2000


H Beam Web Thickness (mm)

6 ~ 32

Can be special made

H Beam Length (mm)

4000 ~ 15000

Can be special made

Gantry Travel Rail Length (mm)

18000


T Frame Drive mode

Double drive


SAW Welding speed (m/min.)

0.24 ~ 2.4


T Frame Idle speed (m/min.)

3.2


 

 


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