Kini awọn okunfa akọkọ ti o ni ipa ipa alurinmorin ti elekiturodu?

Awọn paramita alurinmorin ti alurinmorin aaki elekiturodu ni akọkọ pẹlu iwọn ila opin elekiturodu, lọwọlọwọ alurinmorin, foliteji arc, nọmba awọn fẹlẹfẹlẹ alurinmorin, iru orisun agbara ati polarity, ati bẹbẹ lọ.

1. Asayan ti elekiturodu opin

Yiyan ti elekiturodu iwọn ila opin o kun da lori awọn okunfa bi sisanra ti awọn weldment, awọn iru ti isẹpo, awọn ipo ti awọn weld ati awọn ipele ti alurinmorin.Lori ayika ile ti ko ni ipa lori didara alurinmorin, lati le mu ilọsiwaju iṣẹ ṣiṣe ṣiṣẹ, ni gbogbogbo ṣọ lati yan elekiturodu iwọn ila opin nla kan.

Fun awọn ẹya alurinmorin pẹlu sisanra nla, elekiturodu iwọn ila opin ti o tobi ju yẹ ki o lo.Fun alurinmorin alapin, iwọn ila opin ti elekiturodu ti a lo le tobi;fun alurinmorin inaro, iwọn ila opin ti elekiturodu ti a lo ko ju 5 mm lọ;fun alurinmorin petele ati alurinmorin loke, iwọn ila opin ti elekiturodu ti a lo ni gbogbogbo ko ju 4 mm lọ.Ni ọran ti alurinmorin ọpọ-Layer pẹlu awọn grooves ti o jọra, lati yago fun iṣẹlẹ ti awọn abawọn ilaluja ti ko pe, elekiturodu iwọn ila opin 3.2 mm yẹ ki o lo fun ipele akọkọ ti weld.Labẹ awọn ipo deede, iwọn ila opin elekiturodu le yan ni ibamu si sisanra ti weldment (bi a ti ṣe akojọ si ni TQ-1 Table).

2. Asayan ti alurinmorin lọwọlọwọ

Iwọn ti lọwọlọwọ alurinmorin ni ipa nla lori didara alurinmorin ati iṣelọpọ.Ti lọwọlọwọ ba kere ju, arc naa jẹ riru, ati pe o rọrun lati fa awọn abawọn bii ifisi slag ati ilaluja ti ko pe, ati pe iṣelọpọ jẹ kekere;ti lọwọlọwọ ba tobi ju, awọn abawọn bii abẹ ati sisun-nipasẹ ṣee ṣe lati ṣẹlẹ, ati pe spatter pọ si.

Nitorina, nigba alurinmorin pẹlu elekiturodu aaki alurinmorin, awọn alurinmorin lọwọlọwọ yẹ ki o wa yẹ.Awọn iwọn ti awọn alurinmorin lọwọlọwọ wa ni o kun nipasẹ awọn okunfa bi elekiturodu iru, elekiturodu opin, weldment sisanra, isẹpo iru, weld aaye ipo ati alurinmorin ipele, laarin eyi ti awọn julọ pataki ifosiwewe ni elekiturodu opin ati ki o weld aaye aaye.Nigbati o ba nlo awọn amọna irin igbekalẹ gbogbogbo, ibatan laarin lọwọlọwọ alurinmorin ati iwọn ila opin elekiturodu le jẹ yiyan nipasẹ agbekalẹ agbara: I = kd

Ni awọn agbekalẹ, Mo duro lọwọlọwọ alurinmorin (A);duro fun iwọn ila opin elekiturodu (mm);

k duro olùsọdipúpọ ti o ni ibatan si iwọn ila opin ti elekiturodu (wo TQ-2 Tabili fun yiyan).

Ni afikun, awọn aaye ipo ti awọn weld ti o yatọ si, ati awọn titobi ti awọn alurinmorin lọwọlọwọ jẹ tun yatọ.Gbogbo, awọn ti isiyi ni inaro alurinmorin yẹ ki o wa 15% ~ 20% kekere ju ti ni alapin alurinmorin;ti isiyi ti petele alurinmorin ati lori oke alurinmorin ni 10% ~ 15% kekere ju ti o ni alapin alurinmorin.Awọn alurinmorin sisanra ni o tobi, ati awọn oke ni iye to ti isiyi ti wa ni igba ya.

Awọn amọna irin alloy pẹlu awọn eroja alloying diẹ sii ni gbogbogbo ni resistance itanna ti o ga julọ, olùsọdipúpọ igbona igbona nla, lọwọlọwọ giga lakoko alurinmorin, ati elekiturodu jẹ ifaragba si pupa, nfa bora lati ṣubu ni kutukutu, ni ipa lori didara alurinmorin, ati awọn eroja alloying ti jona. a pupo, ki alurinmorin Awọn ti isiyi ti wa ni dinku accordingly.

3. Asayan ti aaki foliteji

Foliteji arc jẹ ipinnu nipasẹ ipari aaki.Ti aaki ba gun, foliteji arc ga;ti aaki ba kuru, foliteji arc jẹ kekere.Ninu ilana alurinmorin, ti aaki ba gun ju, arc yoo jo riru, spatter yoo pọ si, ilaluja yoo dinku, ati afẹfẹ ita yoo ni irọrun yabo eniyan, ti o fa awọn abawọn bii awọn pores.Nitorinaa, ipari arc ni a nilo lati kere ju tabi dogba si iwọn ila opin ti elekiturodu, iyẹn ni, alurinmorin arc kukuru.Nigba lilo ohun acid elekiturodu fun alurinmorin, ni ibere lati preheat awọn apakan lati wa ni welded tabi din awọn iwọn otutu ti didà pool, ma aaki ti wa ni nà die-die fun alurinmorin, ki-npe ni gun aaki alurinmorin.

4. Awọn asayan ti awọn nọmba ti alurinmorin fẹlẹfẹlẹ

Alurinmorin olona-Layer ti wa ni igba ti a lo ni aaki alurinmorin ti alabọde ati ki o nipọn farahan.Awọn fẹlẹfẹlẹ diẹ sii ni anfani lati ṣe ilọsiwaju ṣiṣu ati lile ti weld, ni pataki fun awọn igun tẹ tutu.Sibẹsibẹ, o jẹ dandan lati ṣe idiwọ awọn ipa ipalara ti igbona apapọ ati faagun agbegbe agbegbe ti o ni ipa lori ooru.Ni afikun, awọn ilosoke ninu awọn nọmba ti fẹlẹfẹlẹ duro lati mu awọn abuku ti awọn weldment.Nitorinaa, o gbọdọ pinnu nipasẹ akiyesi okeerẹ.

5. Aṣayan iru ipese agbara ati polarity

Ipese agbara DC ni aaki iduroṣinṣin, spatter kekere ati didara alurinmorin to dara.O ti wa ni gbogbo lo fun alurinmorin pataki alurinmorin ẹya tabi nipọn farahan pẹlu tobi rigidity ẹya.

Ni awọn igba miiran, o yẹ ki o kọkọ ronu nipa lilo ẹrọ alurinmorin AC, nitori ẹrọ alurinmorin AC ni ọna ti o rọrun, idiyele kekere, ati rọrun lati lo ati ṣetọju ju ẹrọ alurinmorin DC kan.Yiyan ti polarity da lori iseda ti elekiturodu ati awọn abuda ti alurinmorin.Awọn iwọn otutu ti anode ni aaki jẹ ti o ga ju awọn iwọn otutu ti awọn cathode, ati ki o yatọ polarities ti wa ni lo lati weld orisirisi weldments.

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