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Automatic H-beam Productions Line
H-beam Heavy Duty Production Line Introduction:
As a highly automatic H-beam production line, Heavy-duty steel production line sees reducing the use frequency of overhead crane as its subject. Through using automatic machines as roller conveyor, turning machine and conveying machine to conveying, turning and moving H beam during welding process, which greatly improved user’s production efficiency.
The General production process of heavy-duty steel production line as following:
Strip cutting- strip processing (joint—grooving)—T-beam assembling—H-beam assembling-- beam 90° turning–beam conveying-- beam moving-- beam 45 ° turning—welding by the first cantilever welder at the first welding section-- beam 45°returning – beam moving-- beam 45 ° turning --welding by the second welder at the first section-- beam 45 °returning -- Beam moving-- Beam conveying-- Beam 180 ° overturning-- Beam conveying-- Beam moving-- Beam turning 45°-- welding by the first cantilever welder at the second welding section-- Beam returning 45°-- Beam moving -- Beam overturning 45 ° --welding by the second cantilever welder at the second section -- Beam returning 45° -- Beam moving -- Beam conveying-- Beam 90 ° overturning—the straightening of one flange -- Beam 180° overturning—the straightening of the other flange—welding of stiffened end-plates-- Beam’s secondary processing(Beam sawing – face milling-- Three-dimensional drilling)—shot blasting—painting.
The specific operation process is:
1) CNC control metal strip cutting machine cut out webs, flanges, rib plate and end-plate.
2) Joint web and flange plates if the beam length is long.
3) The web should be beveled, and a milling machine is recommended.
4) Lift one flange down on the input roller conveyor of the assembling machine, and preliminarily center it by using the draw-bar centering device.
5) Lift one web down on that flange, and preliminarily center it.
6) Joint and spot weld the web and flange together into T-shaped steel by assembling machine and then put it on the output roller conveyor.
7) Lift another flange down on the input roller of the assembling machine, and preliminarily center it by using the draw-bar centering device.
8) Turning T-beam 180° onto the flange and then preliminarily center it by using the draw-bar centering device.
9) Joint and spot weld the flange and the T-beam together into H-shaped steel by assembling machine and then put it on the output roller conveyor.
10) Turning the H-beam onto the roller conveyor to the welding section by 90° turning machine.
11) Conveying the H-beam to the first welding section.
12) Move the H-beam steel to the 60° turning machine beneath the first cantilever welder by a steel shift machine.
13) Turn the 60° turning machine by 45°, so that the first weld seam at the boat-type welding position.
14) Weld this seam with a cantilever welding machine.
15) Turn back the 60° turning machine by 45° to lay the H-beam flat.
16) Move the H-beam steel to the 60° turning machine beneath the second cantilever welder at the first welding section by a conveying machine.
17) Turn the 60° turning machine by 45°, so that the second weld seam at the boat-type welding position.
18) Weld the second seam with a cantilever welding machine.
19) Turn back the 60° turning machine by 45° to lay the H-beam flat.
20) Move the H-beam to roller conveyor with the H-beam conveying machine.
21) Conveying the H-beam to the 180° turning section.
22) Turn the 180° turning machine by 180°.
23) Conveying the H-beam to the second welding section.
24) Move the H-beam steel to the 60° turning machine beneath the first cantilever welder at the second welding section by a conveying machine.
25) Turn the 60° turning machine by 45°, so that the third weld seam at the boat-type welding position.
26) Weld this seam with a cantilever welding machine.
27) Turn back the 60° turning machine by 45° to lay the H-beam flat.
28) Move the H-beam steel to the 60° turning machine beneath the first cantilever welder at the second welding section by a conveying machine.
29) Turn the 60° turning machine by 45°, so that the fourth weld seam at the boat-type welding position.
30) Weld the fourth seam with a cantilever welding machine.
31) Turn back the 60° turning machine by 45° to lay the H-beam flat.
32) Move the H-beam to the delivery roller with the H-beam conveying machine.
33) Conveying the H-beam to the next 180° rotating section.
34) Turn the 180° turning machine by 90°.
35) Conveying the H-beam to a straightening machine.
36) Straighten one flange with an H-beam straightening machine.
37) Conveying the H-beam back to the 180° rotating section.
38) Turn the 180° turning machine by 180°.
39) Straighten the other flange.
40) Lift the finished steel to rib and end plate welding section.
41) Weld rib and end plates.
42) Process H-beam for the second time (steel sawing - Face milling - 3D drilling).
43) Lift the H-beam to the roller conveyor of a shot blasting machine.
44) Degrease and remove rust and oxide coating of the workpiece.
45) Lift the workpiece to the painting section.
46) Paint
H-beam Heavy Duty Production Line Technical parameters:
|
H-beam Flange Plate Width |
200-800/1000 mm |
|
H beam Flange Plate Thickness |
6-80 mm |
|
H-beam Web Plate Height |
350-2000/2500/3000 mm |
|
H beam Web Plate Thickness |
6-70 mm |
|
H-beam Length |
6000-15000 mm |
H-beam Heavy Duty Production Line Layout drawing:
Why choose us--- China Zhouxiang Complete Set of Welding Equipment Co.,Ltd ?
As the largest H-beam manufacturing equipment manufacturer in China, we have strong design and manufacturing capabilities, with an annual production capacity of US$40 million.
How to produce qualified H-beam? It is an important category of our continuous research for 30 years. Our main products are: CNC Control Flame/Plasma cutting machine、H beam assembling machine、H beam welding machine、H beam straightening machine、H beam shot blasting machine、H beam assembly-welding-straightening multi-functions machine、H beam horizontal productions line、automation welding machine etc.
Why we often use Submerged arc welding way in the H beam productions line?
The welding seam of H-beam is very long. So continuous automatic welding is possible.
1. High welding productivity: Submerged arc welding can use a large welding current, the arc heating is concentrated, and the molten pool depth is increased. The welding speed of submerged arc welding is fast, and the welding speed of single wire submerged arc welding can reach 30~50m/h.
2. Good welding seam: the surface of the molten pool is protected by slag and flux, which avoids metal oxidation reaction in the molten pool and improves the strength and toughness of the welding seam. At the same time, due to the fast welding speed and relatively reduced heat input, the width of the heat affected zone is smaller than that of electrode arc welding, which is conductive to reducing welding deformation and preventing metal overheating. In addition, the welding surface is smooth and beautiful.
3. Improve the working conditions of welders: because the automation of the welding process is realized, the operation is relatively simple, and the arc burns under the flux layer without the harmful effect of the arc, so the mask can be omitted, and at the same time, less smoke and dust are emitted, so the working conditions of the welder are improved.
4. Save welding materials and electric energy: Due to the large welding seam depth, no or less grooves can be opened during submerged arc welding.
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