K span machine brief.
The K span machine is a on-site roll forming machine for the manufacturing of metal span roof for arch building. The K span machine is a mini factory on wheels that can produce durable steel arch building in days rather than weeks or months. The K span machine contain of a k span roll forming machine, a panel curving device, engine power unit, control system and trailer to transit to everywhere.
The standard profile drawing for k span machine
The k span machine working process :
The k span machine is starts from the unwinding of metal coils,entry the k span panel roll forming machine after leveling , then roll formed to panels , cut to length by hydraulic cutting device, then curve the panels to certain radius,all the power can be supported by the engine power unit mounted on the k span machine.
Decoiling—guiding&leveling —roll forming—-hydraulic cutting—-storage area—curving—run out table
Layout of k span machine
The whole solution on the k span machine is combined of uncoiler , stationary hydraulic shear device, main k span roll former,panel storage rack,panel curving device, engine power unit,control system and a trailer.
| Machine Component | quantity |
| Decoiler | 1 set |
| Trailer | Optional |
| Engine power unit (generator) | Optional |
| Hydraulic cut device with hydraulic station | 1 set |
| Main k span roll former | 1 set |
| Control system | 1 set |
| Panel storage racks | 1 set |
| Panel hydraulic curving device | 1 set |
| Curved panel run out table | 1 set |
MIC 120 K span machine parameter
| Suitable material | Coil type | Galvanized Steel or color coated steel | |
| Coil Thickness | 0.6-1.5mm | ||
| Coil Width | 914mm | ||
| Yield Strength | 250-550Mpa | ||
| Decoiler | Decoiler Type | Passive | |
| Weight Capacity | 5 Ton | ||
| Punching (optional) | Punching type | Hydraulic punching | |
| Punching sets | 2-3 punching stations according to profile | ||
| Hydraulic station | About 30 Mpa main motor power 7.5 KW | ||
| Main Roll Forming | Forming Station | 13-15 forming stations, depend on profiles | |
| Roller Material | CR40, surface with hard chrome 0.05mm | ||
| Shaft Material | #45 high strength steel quenched 55-60 degree | ||
| Shaft Diameter | 60-75 mm | ||
| Drive Type | Chain drive | ||
| Forming Speed | 5-12m/min | ||
| Main Power | 7.5 KW | ||
| Cutting Device | Cutting Type | Hydraulic cutting | |
| Cutting Die Material | Cr12Mov | ||
| Cutting Tolerance | +/-1mm(10m) | ||
| Hydraulic station | 7.5KW , share one hydraulic station with punching | ||
| Curving device | Curving power | 4.0+1.5+1.5 kW | |
| Electrical System | PLC Brand | Panasonic | |
| Inverter Brand | Yaskawa | ||
| Encoder | OMRON brand | ||
| Touch Screen | MCGS, china top brand | ||
| Electrical parts | Schneider | ||
| Motors Reducer | Tailong and Guo mao Chinese famous brand | ||
| Run out table | Table Type | No power passive with rollers | |
| Function of Table | To support the profile sheets after cutting | ||
| Machine | Dimension | 11000mm*2500mm*2500mm Around 11000kg | |
| Tolerance | Length | 3M+/- 1.5mm | |
MIC 120 super span machine (picture original taken in factory)
MIC120 k span machine -roll forming machine
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