APPLICATION
APPLICATION

FNY-200C Narrow Lap Seam Welding Machine For Steel Strips

    This welder is specially designed for the continuous production line or coating line (galvanizing, tin plating, aluminum plating, etc.) of cold-rolled low-carbon hard steel sheets (strips), serving as a critical equipment for joining coiled steel sheets in surface treatment lines. It is also widely applicable in industries such as vehicles, shipbuilding, and automotive, making it an ideal solution for cold-rolled low-carbon thin sheet materials.


Product features

This welder is specially designed for the continuous production line or coating line (galvanizing, tin plating, aluminum plating, etc.) of cold-rolled low-carbon hard steel sheets (strips), serving as a critical equipment for joining coiled steel sheets in surface treatment lines. It is also widely applicable in industries such as vehicles, shipbuilding, and automotive, making it an ideal solution for cold-rolled low-carbon thin sheet materials.
The welding speed, welding pressure, welding width, welding current, and return speed of this welder can all be adjusted steplessly. Users can select the optimal parameters based on the process requirements of different (workpiece) materials.

Main technical parameters

Parameter category Parameter value
Welding material Low carbon steel plate
Steel plate thickness 0.16-0.8 mm
Steel plate width 650~1250 mm
Lap thickness 0~6 mm
Punching diameter Φ28 mm
Shearing angle Max 2°
Shearing force Max 160 KN
Electrode wheel width 12.5 mm
Exit roller diameter Φ120 mm
Welding power supply Single-phase 380V AC
Cooling water pressure 0.2~0.3 MPa
Compressed air flow rate 400 L/min
Welding speed 0.6~6 m/min
Return speed Max 8 m/min
Welding pressure Max 7.36 KN
Electrode pressure Max 4.5 KN
Roller pressure Max 29.45 KN
Clamp pressure Max 36 KN
Electrode wheel diameter 240-280 mm
C-frame movement range Max 2400 mm
Welding transformer power 200 KVA (50%)
Control power supply Three-phase 380V AC
Compressed air pressure 0.5~0.8 MPa
Transformer duty cycle 50%
Upper electrode wheel stroke 120 mm
Entrance clamp jaw distance 100 mm
Exit clamp stroke 25 mm
Entrance clamp movement distance 105 mm
Upper shear blade stroke 210 mm
Lower shear blade stroke 50 mm
Dual shear blade spacing 100 mm
Strip steel center height 1050 mm
Rated input current 526 A
Hydraulic station pressure Max 8.5 MPa
Cooling water flow rate 2.5 m³/h


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