Однотактный ММА суправлением и сервисом на АТмега8 , Бюджетный сварочник с управлением на процике Опции

[DigiSoft]

Китайцы уже давно первую страницу прочитали.

No I am not Chinese, I am from Macedonia. Any help?

[olegators68]

Dear DigiSoft You can not imagine how hard it is to answer you
Cross-section of 700 mm * 2 enough 15/5 turns
Wire Size 4/18 mm * 2 about
But a lot of things unknown
Вряд ли узкоглазые это спрашивать будут.

[K_L]

No I am not Chinese, I am from Macedonia. Any help?

the transformer of the whorl to correlations 15/5, section primary windings aproximately 5, secondary 18;
transformer of the current is a wound on ring, primary winding - got through through recirculating wire, secondary завинчивание consists of 88 whorls of the wire d 0,35 mms in teflon insulation
translate first page of the forum

Сообщение отредактировал K_L - 19.11.2012, 21:36

[DigiSoft]

My Russian friends thank you so much for the help. I read about 50 pages on the forum but it is hard there are 212 pages. When I finish my welder I'll post pictures.

Why is it hard to answer about the main core windings? Is it secret held by the author?

[olegators68]

What secret ! Е70/33/22 N87 http://forum.cxem.net/uploads/monthly_02_2...40428_thumb.jpg , largest from Epcos AG

Сообщение отредактировал olegators68 - 19.11.2012, 22:05

[DigiSoft]

On the schematic there are capacitors like 1m, 2m2, 3m, 4m7 but they don't have +- so they are not electrolytes then what values are those? uF ? nF? pF?

[K_L]

On the schematic there are capacitors like 1m, 2m2, 3m, 4m7 but they don't have +- so they are not electrolytes then what values are those? uF ? nF? pF?

C8 and C10 electrolytic, 4.7uF 25V, other ceramic 1m = 1uF, 2m2 = 2.2uF

Сообщение отредактировал K_L - 19.11.2012, 22:45

[DigiSoft]

No, it's not a secret, all information is there, on the first page of the forum.
The frequency of the welding is about 50kHz, cross-section of the main transformer is 700mm^2,
the material of the core is N87 or something similar. Primary winding has 15 turns(6mm^2),
secondary winding has 5 turns(18mm^2). The core has a gap about 0,1mm.
The core of the TT - is a ring from N87, 22*12*6mm, Primary winding has 1 turn,
secondary winding has 88 turns.
Low voltage capacitors: 1m =1 microfarad, 2m2 = 2,2microfarads, multilayer ceramic capacitors.

I can't explain how grateful I am. Thank you so much. I have one more question about the thermistors 181 that are on the output stage. what are those thermistors? 181 ohm?

[olegators68]

As rightly pointed out, they block on nutrition and can be from 0,1 uF and up only ceramics
Ordinary 20 mm round to 180v
http://images.yandex.ru/yandsearch?text=%D...3&noreask=1

Сообщение отредактировал olegators68 - 19.11.2012, 23:17

[DigiSoft]

Oh really? Hmmm so they are all varistors right? Even those at the start of the supply the 20mm ones? There are no thermistors right?

One more question, I can't find E core in my country. Can I get ferrite cores from flybacks from TV and join them to get 700mm^2 ? Do you think that would work?

Like this
http://www.die4laser.com/D4Sparks/d4sparks-fbt.jpg

[olegators68]

If DigiSoft, already ERika says listen to her, there is no error!
Cross section, but only Pobol will have to dial 8 sets!
Уф, автопереводчики круче у нас, диктер у меня, а человеку помочь, хоть немногим но смогли.
Но он и сам грамотный

Сообщение отредактировал olegators68 - 19.11.2012, 23:46

[DigiSoft]

Thank you again ERika, I AM REALLY SORRY for spoiling your forum with English. If I could understand Russian I would talk but I don't. although we have very similar alphabet as Russian

сдфдсфхдртјк,ммрептѕиупшоењпрљј,.лќчќшѓфдг



Anyway what about R36 and R38 are those varistors or thermistors? I really don't know how to distinguish them.

[K_L]

Anyway what about R36 and R38 are those varistors or thermistors? I really don't know how to distinguish them.

[attachment=21950:640.pdf]

[DigiSoft]

Thanks for the datasheet I am reading it at this moment.

VT5, VT6, VT7, VT8 are wrong symbols on the schematic. They should be symbols for IGBT not Mosfet.

Is this good placement for IGBT pinouts?
http://i46.tinypic.com/51el8w.png

[olegators68]

DigiSoft not believe characters trust people, it is an axiom
Driver does not see the difference between IGBT and Mosfet
Enough power normally
Get used to it

Сообщение отредактировал olegators68 - 20.11.2012, 1:04

[DigiSoft]

hehehehheehe I am not used to wrong symbols anyway, is there any NON-SMD version of the PCB or should I make it myself?

[olegators68]

All on the first page
already sleep

Сообщение отредактировал olegators68 - 20.11.2012, 1:31

[DigiSoft]

All on the first page
already dreaming

I read the first page but only SMD version.

[olegators68]

Why do you no one does now NON-SMD
It's easy to try SMD easier

[DigiSoft]

Well it is pain in the ass soldering with air-flow station.

Here are few more questions.

1. Корпус means earth?
2. S1 and S2 are switches or taster?
3. C14 0.1 is uF I suppose?
4. What core size is used for L1? How many turns? Should it be ferrite or normal ring?

That's it I think I haven't any further questions.