Intangiriro
Nkibikoresho byibanze bya tekiniki murwego rwo gusudira rugezweho, ihame ryakazi ryaimashini yo hagati yo gusudiraihuza imbaraga za elegitoroniki yikoranabuhanga hamwe nigitekerezo cyo kugenzura neza. Ugereranije n'imashini gakondo yo gusudira amashanyarazi,Hagati yumwanya wo gusudirakugera ku ntera ishimishije mu gusudira ubuziranenge no gukora neza binyuze muri tekinoroji ya inverter. Iyi ngingo isobanura kuri gahunda ihame ryakazi hamwe nibyiza bya tekinike yimashini yo gusudira ikoresheje imashini yo gusudira uhereye ku buryo bwo guhindura ingufu, kugenzura uburyo bwo gusudira, hamwe ningaruka za termodinamike.
1. Ibikorwa Byibanze
Imikorere ya mashini yo gusudira yumwanya wo hagati ushingiye kumurongo wo guhindura ingufu za "AC → DC → Medium Frequency AC → Welding," ikubiyemo intambwe zingenzi zikurikira:
- Kwinjiza Imbaraga no Gukosora
Igikoresho cyahujwe na bitatu - icyiciro 380V amashanyarazi ya AC itanga. Imbaraga za AC zihindurwamo imbaraga za DC zinyuze mumashanyarazi yuzuye -. Iki cyiciro gikoresha tekinoroji ya thyristor, ituma uhindura inguni yicyiciro cyinjiza kugirango ugere kuri 0 - 100% mbere yo kugenzura, kugabanya ingaruka za gride.
- Guhinduranya no Kuzamura inshuro
Imbaraga za DC zikosowe zitunganywa na moderi yo guhinduranya IGBT (Irembo rya Bipolar Transistor), ikora umuvuduko mwinshi - wihuta kuri 1 - 4 kHz kugirango ubyare ingufu {{6} Kurugero, moderi ya 200kVA yikimenyetso runaka igera kumikorere ya inversion ya 98%, hamwe no gutakaza ingufu kimwe cya gatatu cyicyuma gihinduranya ingufu za gakondo.
- Hejuru - Guhindura inshuro Intambwe - Hasi
Hagati ya - yumurongo wa AC imbaraga zinyura mumashanyarazi arenga - hamwe na nanocrystalline alloy core, bigabanya ingufu ziva kuri 600V zikagera kuri 5 - 20V mugihe wongereye imbaraga zo gusudira - ubukana bwurwego rwa 5.000-30.000A. Ubu buryo bukoresha ibintu byinshi biranga kugabanya umuvuduko wa 60% naho uburemere bwa 50%.
- DC Ibisohoka
Umuzunguruko wa kabiri urimo gukosorwa kabiri binyuze mumatsinda yihuta - diode yo gukira, isohora ingufu za DC hamwe na coefficient ya ripple iri munsi ya 5%. Umuyoboro wo gusudira wa DC wirinda kwivanga kwa electromagnetiki isanzwe mu mashini gakondo yo gusudira AC kandi ikanemeza ko nugget ihagaze neza mugihe cyo gusudira nka aluminiyumu hamwe nimpapuro za galvanis.
2. Igenzura rya Thermodynamic yuburyo bwo gusudira
Imashini yo gusudira hagati yumwanya mutokugera hejuru - gusudira ubuziranenge binyuze mu gucunga neza ubushyuhe:
- Menyesha amabwiriza yo kurwanya
Electrode ikoresha 200 - 600kgf yumuvuduko kugirango ikureho ibice bya oxyde yo hejuru kumurimo wakazi, bigabanye guhangana na 50-200μΩ. Umuvuduko ukabije wumuvuduko wimashini yo gusudira ikurikirana mugihe gikwiye, ukemeza ko ihindagurika ryurwanya rigenzurwa muri ± 3%.
- Gukwirakwiza Waveform ya none
Hagati - tekinoroji yo guhinduranya irashobora gusohora ibintu bitandukanye, nka trapezoidal na pulsed waves. Iyo gusudira 0.5mm ibyuma bitagira umuyonga, uburyo bwinshi - pulse (urugero, 10kA gushyushya kuri 2ms bikurikirwa na 15kA nyamukuru yo gusudira kuri 5ms) birinda neza gutemba no kunoza ubwinshi bwa nugget.
- Uburyo bwo Kuringaniza Ubushyuhe
Yubatswe - muri sisitemu yo gukonjesha (ubushyuhe bwamazi dogere 25 dogere 2 dogere) itwara 70% yubushyuhe bwa electrode. Algorithm ya PID ihindura umuvuduko wamazi kugirango ubushyuhe bwa electrode butarenga dogere 150. Ikizamini cyakozwe kuva kumurongo utanga ibinyabiziga cyerekanye ko nyuma yo gusudira 500 ikurikiranye, ubushyuhe bwa electrode bwiyongereyeho dogere 82 gusa.
3. Itandukaniro rya tekiniki ugereranije na mashini gakondo yo gusudira Imashanyarazi
| Kugereranya | Umwanya wo Kuringaniza Umwanya wo Hagati | Imbaraga zumudozi |
|---|---|---|
| Gukoresha Inshuro | 1-4kHz | 50 / 60Hz |
| Umuvuduko wo Gusubiza | 0.5ms - urwego rwohindura | 20ms - urwego rwohindura |
| Imbaraga | Birarenze cyangwa bingana na 0.95 | 0.6-0.7 |
| Ubushobozi bwo gusudira Aluminium | Ubugari bwa 0.3-4mm | Max 1.5mm (ubuvuzi budasanzwe busabwa) |
| Ubuzima bwa Electrode | 80.000 - 120.000 byizunguruka (electrode ya chrome) |
30.000-50.000 cycle |
4. Ibisanzwe Byakoreshejwe
- Amashanyarazi mashya yimodoka.
- Multi - Gusudira Icyapa.
- Ibikoresho bya elegitoroniki: Ukoresheje 0.1ms - urwego rwa micro {2}
Umwanzuro
Imashini yo gusudira hagati yumwanya mutokugera ku busobanuro buhanitse hamwe ningufu zingirakamaro mugikorwa cyo gusudira binyuze mubikorwa bya tekinoroji yo guhinduranya, ibisohoka DC, no kugenzura ubwenge. Intego yibanze muguhindura amashanyarazi gakondo mumashanyarazi - imbaraga zumurongo no kugera kubushyuhe bwuzuye binyuze mumashanyarazi yihuse -. Hamwe nogukoresha ibikoresho bya gatatu - ibikoresho bya semiconductor (urugero, SiC), inshuro zikoreshwa mumashini yo gusudira yumwanya wo hagati uteganijwe kurenga 10kHz mugihe kizaza, bikarushaho guca inzitizi za tekiniki mugusudira ultra - ibikoresho bito hamwe nibyuma bidasa. Ku nganda zikora zikurikirana ubuziranenge bwo gusudira no gukora neza, gusobanukirwa byimbitse ihame ryakazi ryimashini zogusudira ziciriritse ni urufunguzo rwo kunoza imikorere no kuzamura ibicuruzwa.
