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MF170-R6170 welding transformer with welder diodes
Feature
The DC filter capacitor is mainly used to filter the DC power supply to filter the high-order harmonic in the DC output voltage to reduce the voltage fluctuation and harmonic pollution, and can run for a long time under a certain AC harmonic component. Products conform to JB/T8168-1999 "Pulse Capacitors and DC Capacitors".
Product using conditions
1. Elevation does not exceed 1000m, ambient air temperature - 40 ~ + 40 ~.
2. Installation site without severe mechanical vibration, no harmful gases and steam, no conductivity and explosive dust.
3. Continuous operating voltage 1.0Un, long-term overvoltage maximum value is not more than 1.4Un.
4. The steady-state overcurrent (including harmonic current) shall not exceed 1.43 In.
5. maximum allowable capacity is not more than 1.35Qn.
6. structure:
The product adopts high-pressure full-film technology and manufacturing process, with the characteristics of low loss, low temperature rise, anti-overcurrent, strong resistance to inrush current, long service life and so on.
Application
Induction heating treatment, induction heating furnace, induction heating equipments.
Producing Progess
Application
For all kinds of intermediate frequency, power frequency
resistance welding machine.Such as automobile welding clamp,
seam welding machine, mesh welding machine and so on.
Brief introduction
Medium-frequency (MF) transformers are a result of recent advances in resistance welding technology.
They arepowered by a transistor inverter, supplying square wave AC 500 V @ 1000 Hz which is converted
by the MF transformer to a low voltage high current AC.
This low voltage AC current is rectified to DC by a diode block built into the transformer.
The higher operating frequency of an MF system allows efficient energy conversion using a smaller and lighter transformer.
Other benefits with MF transformers used in portable and robotic welding guns are:The reactance of the welding loop only limits the upslope and down slope of the welding current, while the peak welding current in limited only by the welding loop's resistance.
The net result is again smaller transformer, especially when welding with large throat, high-impedance guns.
MF welding is less demanding on the plant power system.
The MF inverter draws balanced line current from all 3 phases and operates at a high power factor (0.9).
With MF transformers the peak welding current almost equals its RMS value, which helps to obtain quality welds with no splash and constantstrength even at lower pressure.
The high frequency permits much faster - 1000 times per second - process control, which again results in better weld quality.
MF transformer DC Unit │Series MF200-9.6
Welding Power Rectifier Assembly and welding diode is available!
Company Certificate OF CE SGS BV ISO9001
Factory environment display:
Cleaning room
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