This machine group is for producing welding H Beam (I Beam)/ T Beam with specifications of: (Fig.1)
1) Web Height H: 150mm ~ 1,500/ 1,800/ 2,000mm;
2) Web Thickness A: 6mm ~ 32mm;
3) Flange Width B: 200mm ~ 800mm;
4) Flange Thickness T: 6mm ~ 40mm;
Welding H Beam produced from Welding H Beam Production Line: (Fig.2)
2. Models of Welding H Beam Production Line is on the basis of Max. web height of H Beam produced:
1) HB1500: Max. H Beam web height is 1500mm;
2) HB1800: Max. H Beam web height is 1800mm;
3) HB2000: Max. H Beam web height is 2000mm;
3. Wide Application: HB series Welding H Beam Production Line with SAW welding system is the most extensive used machine group in Steel Structure Industry. It is the indispensable machine complex to be applied at all the facilities on constructing steel structure:
Process Technology of Welding H Beam Production Line: (Fig.5)
1) Task: This step is for cutting carbon steel plate into strip plates, which will be used as flanges and web, in the subsequent steps of H Beam assembling/ welding and straightening:
2) Wuxi JACK CNC Strip Plate Cutting Machine and cut off strip plates: (Fig.6)
2. Step Two: H Beam Fitting Up and Tack Welding with Welding H Beam Assembly Machine:
1) Task: This step is the first crucial work station at Welding H Beam Production Line:
2) T Beam Assembly: First one piece of flange and one piece of web are assembled into T Beam, and strengthened with CO2 tack welding at the same time;
3) H Beam Assembly: Then, the T Beam is flipped 180°. The 2nd piece of flange is loaded into H Beam Assembly Machine. And the T Beam is assembled and tack welded into H Beam:
4) Wuxi JACK H Beam Assembly Machine works at H Beam Production Line: (Fig.7)
3. Step Three: H Beam SAW (Submerged Arc Welding) with Welding H Beam Welding Machine:
1) Task: This is the central step at Welding H Beam Production Line. The assembled H Beam will be performed with 45° SAW welding;
2) Welding Frequency: There are 4 passes of welding seam in one piece of H Beam. Consequently, there are 2 options of H Beam Welding Machine:
a) Automatic Line: 4 sets of LHC column structure H Beam Welding Machine runs at fully automatic H Beam Production Line: (Fig.8)
b) Semi-automatic Line: 1 set of LHA or LHT gantry frame at manual H Beam Production Line: (Fig.9)
4. Step Four: H Beam Flange Straightening with Welding H Beam Straightening Machine:
1) Why Need: Flange of H Beam has upward bend deformation after SAW welding, because of heat input. H Beam Straightening Machine is for flattening such deformation:
2) Working theory indication on H Beam Straightening Machine: (Fig.10)
Based on: Tensile strength/ thickness/ deformation position of H Beam flange, there are 3 major types of H Beam Straightening Machine:
(1) Mechanical for light to medium duty H Beam;
(2) Hydraulic for heavy duty H Beam;
(3) Longitudinal deflection H Beam:
(1) Wuxi JACK HYJ800 mechanical H Beam Straightening Machine, for straightening H Beam with material Q235 carbon steel up to 40mm thickness: (Fig.11)
(2) Wuxi JACK YTJ80 hydraulic H Beam Straightening Machine, for straightening H Beam with material Q345 carbon steel up to 80mm thickness: (Fig.12)
(3) Wuxi JACK HJ300 longitudinal H Beam Straightening Machine, for straightening steel structure workpieces along horizontal body: (Fig.13)
1) Task: This step is closing station of Welding H Beam Production Line. It polishes end faces of welding H Beam/ T Beam, removing burr and dirt, making end faces of workpieces gloss and clean:
2) Wuxi JACK DX1520 H Beam End Face Milling Machine works at steel structure facility: (Fig.14)
6. Material Transfer: The WIP (Work in process) working parts transfer among all the above work stations of Welding H Beam Production Line, is implemented with Welding H Beam Turntable Machine.
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