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marek12916 2020-11-18 03:23:05
Very good welder for the money. It strikes the electric arc nicely, stably maintains the set parameters and, above all, welds nicely and is very small. The only drawback that bothers me personally is the highly inflated parameters. At the maximum intensity that the manufacturer specifies at 250 amps, the welder gives 132. I took measurements and at the maximum settings it is 130 amps, and at the lowest 56. The welder is perfectly welded with 2.5 and 3.2mm electrodes. With a little experience of the welder, it is possible to weld with a 4mm electrode. In my device, I changed the welding current display range to real 132 amperes. This can be done with the potentiometer marked in my photo. If the manufacturer did not overestimate the parameters, surely more people involved in welding would be interested in this device. After minor modifications, this welding machine is an ideal device for DIY enthusiasts and people who weld on a mobile basis. Sorry for the translation, but I did it in translator.
Kommentarer (11)
  • Torontofred Themeter you're using is either an average AC meter or True RMS. In either, the wave form must be sine wave. If you have any other, then you won't be reading it correctly.

    Svar 2020-12-24 10:49:13
  • BG401544916 @Torontofred Canyou explain about what you are talking. About AC or DC current. Thank you.

    Svar 2020-12-25 02:07:03
  • Gerard Vaughan The output is said to be d.c. Ate you saying the makers used an instantaneous peak reading ammeter ? But in any case we don't know if the current is time varying at 100-120 cps. It might be smooth.

    Svar 2020-12-25 07:24:36
  • Gerard Vaughan Torontofred
    So you reckon the thing supplies full wave rect unsmoothed dc, and the makers are quoting the instantaneous peak current ?
    That's still a ssttreeeech !

    Svar 2020-12-25 07:27:00
  • Pot202 Happy Birthday and Merry Christmas. I would like you to help me fix the machine at 250 amps. With some photo maybe. Thank you very much.

    Svar 2020-12-26 00:26:28
  • Garabonczias Dear All! Some important points: (1) The current should be DC (in AC the arc would disappear 100 times in a second...!). (2) That DC current is never smooth during welding, as contact is bad, arc has haunting (continously changing) resistance

    Svar 2021-01-02 15:16:27
  • Garabonczias Torontofred
    One more thing: the clamp meter should be TRMS one, with high Crest Factor. Than it will show a better value. BUT, the current waveform is so distorted, you cannot expect a really good meaured value.
    Best regards

    Svar 2021-01-02 15:22:49
  • Mieciu HiMarek - could you explain how to adjust display to show real current values?

    Svar 2021-01-08 16:24:47
  • maz77 hi marek jestes z polski ?

    Svar 2021-01-09 06:00:04
  • luckis @Torontofred Just connect in parallel another electrolytic capacitor 680μf 400v .

    Svar 2021-01-13 09:35:21
  • BG144943792 onde que regulam a maquina pra lamentar a Amperes

    Svar 2021-01-18 08:21:39

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