Method named for welders:
Spot(projection) welders series: DTN-P-1(2)-L
DTN: Pneumatic AC mains frequency spot(projection) welders
P: Rated capacity
1: Lower arm can not be adjustable; 2: Lower arm can be adjustable
L: Throat depth, namely arms length
Advantage & Feature:
Machine body of thick steel sheet, not easy to deformation
Secondary electric conduction parts is style of upper insulation, to avoid short current accident caused by Scrap iron or workpiece.
The electrodes of speed can be adjusted at random, to decrease strike or workpiece and noise.
Microcomputer control, accuracy and steady, Can store 15 sets welding schedules, to suit different specification products
Controller can automatically compensate current, to make welding steady. Some material can be preheat or temper, fully embodying the superior performance of this professional Spot Welding Machine. Water cooling transformer: Use silicon sheets of 15000 gauss permeability to pile up. There is cooling water in inside, using full copper alloy core, reducing impedance, improving the utilization of power, 20% duty cycle to ensure the requirement of long time welding, big output power. The useful lifetime is longer, noise is smaller, structure is more compact and reasonable.
Fast solenoid valve, making welding speed faster, thereby the productivity is higher, therefore decreasing cost.
Cylinder adopt high accurate, anti-friction hard material, which is duralumin, without rust, lower friction, lower noise and loading is faster, thereby reducing the weld spatter.
Quality is stable, failure rate is low, therefore machine life is longer
It is suitable for metal wire, electrical appliances manufacturing, metal plate process, micro-electron etc., covering mainstream application scenarios for a standard Resistance Welding Machine. 
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