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1,spot welding power supply Specifications:
1,IGBT inverter with 4kHz frequency.
2,Three step welding with upslopw and downslope.
3,High precisely welding control system.
4,Constant-current control, constant-voltage control, constant power control, constant pulse width control.
5,Upper and lower monitor of the current or the voltage etc.
6,Easily operating,can be used by a horse.
7,The power supply can be easily used on a automatization machine.
2,Advantages of inverter spot power supply:

| inverter spot welder | 50Hz ac spot welder | Capacitance spot welder |
Current characteristics | 1, Pulse DC current. 2, Welding cycle min: 0.25 ms(4kHz), high precision. 3, Constant current output, detect and feedback in every cycle. 4, Avoid the power fluctuations. 5, Accurate and Digitizing control. | 1, Use the 50Hz power source, through a transformer. 2,50Hz as the working frequency, welding cycle min:20 ms. 3, Sine wave current, but a long zero between every half-cycle of the sine. 4, Heating aprosexia.
| 1, Capacitance discharge curve. 2, Welding time can not be changed. 3, Current output depend on the line voltage which is unstable, no detect or no feedback. 4, Rough and Simple control.
|
Long-term stability | Good stability for long time, need not change any element in life time. | Sensitive to the power source line voltage, similar 40 times larger when it changes.
| Capacitance is consumables. Manual detect and change new regular is needed. |
Welding speed | High welding speed, can weld 3000 times per minute Suitable for automatic machine. | Longer welding time. Affected by the welding circuit. | Need time to charging the capacitance, so welding speed is largely discount. Faster and more unstable. |
Energy saving | 50% less than 50Hz ac spot welder | Because of the long zero, welder heat can not focus. |
|
Volume and weight | Smaller and lighter. | Heavy and occupy more space,5times bigger than inverter spot welding machine | Heavy and occupy more space. |
Electrode influence | Low loss, longer use time. | High loss. | High loss. |
Price | Expensive for buying, cheap for using. | Cheap for buying, expensive for using. | Cheap for buying, expensive for using. |
3,actual measurement of current waveform:

4,welding sample:



5, Won the national high-tech certificate


6,service:
1,making some welding samples/ for free.
2,give out a report of whether your product can be weld / for free.
3,give out a welding suggestion (such as which welding method should you use) for your product /for free.
Guangzhou JingYuan Electrical Equipment Co.,Ltd specialized in fine resisdence welding equipment,used for spot welding,projection welding,seam welding and hot bar,also we provide the best resisdence spot welding plan.
We own the returnee from German who is also a Professor worked in South China UniverSity of Technology as a leader of our team,which includes specialists,doctors,masters,bachelors etc.
And now, we have 1500m2 factory,and our registered capital has grown to ¥10 million.Our core technology is invert technology,usually 4kHz inverter frequency,which apply to all our prodcts.Inverter technology has many advantages such as high precision,low energy cost(50% off with DN series),high consistency,good process flexibility.
We are 2006 registered,but we have more than 20 years resisdence welding experience from Harbin Institute of Technology,and these years,we proud of our growth with our competitors also the famous company such as Bosch,Miyachi,Uniteck,Avio.
Our shipment condition is usually express or air transportation,because our products are usually small,like a computer.
At first,if you are not sure whether your product can be weld,you can sent it to me to be checked,we will give you a weldability report for free.
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