DN Bench Type Spot/Projection Welder

DN Bench Type Spot/Projection Welder
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The DN bench type spot/projection welder is widely used for numerous welding process and features reduced installation costs. A standard spot weld with a current path directly through the workpiece between opposing electrodes can be achieved using this resistance welding machine. It operates with lead-free soldering technology, making it an eco-friendly joining method. In compliance with ROHS/SGS standards, this welder delivers excellent temperature tolerance, making it suitable for strategically placed small spot welds.

Features
  • Solid structure with high strength. High structural rigidity of the welding machine arms, holders and inline bearings can insure positive alignment, minimal deflection and reduced friction.
  • Fast electrode response for quick welding. Electrodes are equipped with speed control valves, shock absorber for end of stroke and air discharge silencers to minimize the noise.
  • Insulation protection for safety. Low-friction air cylinder is insulated from the electrode body to ensure heavy duty performance and a long working lifetime.
  • Welding power sources maximizes energy savings. Water-cooled resistance-welding transformers and silicon controlled rectifiers for checking the correct diode clamping force.
Parameter
Model DN-16 DN-25 DN-40
Item Unit
Rated voltage V 380
Rated frequency HZ 50/60
Rated capacity KVA 16 25 40
Rated duty cycle % 30
Insulation class B
Maximum secondary short circuit current A 12500 16000 22000
Maximum welding power KVA 25 35 63
Maximum pressure N 550 550 550
Stroke mm 30 30 30
Air pressure Mpa 0.5
Cooling water flow L/min 5 5 5
Arm extension length 200
Weight KG 135 150 165
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