Ọla kọpa – Aluminom Welding Spatter na Black Weld na-akpata

A na-eji nkwonkwo ọla kọpa-aluminom mee ihe na sistemụ nchekwa ike, ụgbọ ala eletrik, ngwugwu batrị, na ihe nkesa ike. Ọla kọpa na-enye ezigbo ọkụ eletrik, ebe aluminom na-enye ịdị arọ dị ala na uru bara uru. Nchikota nke ihe abụọ a aghọwo ihe ngwọta ọkọlọtọ na basbar batrị, taabụ, na njikọ nchekwa ike.

Igwe na-agbado ọkụ Capacitora na-ejikarị maka njikọta ọla kọpa-aluminom n'ihi na ha nwere ike ibunye oke ugbu a n'ime obere oge, na-ebute ikpo ọkụ na mpaghara na obere okpomọkụ - mpaghara metụtara. N'agbanyeghị uru ndị a, ọtụtụ ndị na-emepụta ihe ka na-enwe nsogbu ndị dị ka spatter gabigara ókè, elu weld agba ojii, na àgwà weld na-ekwekọghị ekwekọ.

Nsogbu ndị a ọ bụghị naanị na-emetụta ọdịdị ngwaahịa mana ọ nwekwara ike ibelata conductivity eletrik, mee ka ike arụ ọrụ ghara ịda mbà, ma mebie ntụkwasị obi ogologo oge{{0}. N'ọtụtụ ebe mmepụta ihe n'ezie, ntụpọ ndị dị otú ahụ adịghị adịkarị n'ihi otu ihe kpatara ya. Kama nke ahụ, ha na-ebutekarị site na ngwakọta nke paramita ịgbado ọkụ, ọnọdụ ihe onwunwe, ịrụ ọrụ electrode, ndakọrịta akụrụngwa, na gburugburu ebe ọrụ.

Akụkụ ndị na-esonụ na-enyocha isi ihe ise na-ebute oke spatter na weld discolorationọla kọpa-aluminom ịgbado ọkụma nye ndụmọdụ bara uru nke nwere ike itinye aka ozugbo na gburugburu mmepụta.

Na ọla kọpa-aluminom ịgbado ọkụ, njikwa ike bụ otu n'ime ihe ndị kasị dị oké egwu na-emetụta ma spatter guzobe na weld discoloration. Ọla kọpa nwere ụkpụrụ ikuku dị elu karịa aluminom, ebe aluminom nwere ebe mgbaze dị ntakịrị (ihe dị ka ogo 660). Ọ bụrụ na achịkwaghị ntinye ike nke ọma, ikpo ọkụ nke mpaghara nwere ike ime ngwa ngwa, na-ebute nnukwu spatter na oxidation.

1.Excessive ichupu ike ma ọ bụ ugbu a

Mgbe ike mwepu ma ọ bụ ọnụ ọgụgụ kachasị elu nke welder mwepu capacitor dị elu nke ukwuu, mpaghara weld ahụ na-ebili ngwa ngwa. Aluminom na-agbaze ngwa ngwa karịa ọla kọpa, ebe ọla kọpa n'otu oge na-agbasa okpomọkụ n'ime ebe ndị gbara ya gburugburu. Enweghị ahaghị nhata a na-emepụta ọdọ mmiri a wụrụ awụ na-adịghị akwụsi ike, na-eme ka a na-achụpụ ígwè a wụrụ awụ n'okpuru nrụgide, nke na-ebute mkpọsa a na-ahụ anya.

N'otu oge ahụ, okpomọkụ dị elu na-eme ka mmeghachi omume oxidation dịkwuo elu na interface ọla kọpa-aluminom, na-eduga na agba ọchịchịrị ma ọ bụ ojii nke elu weld.

A na-egosi nso nso a maka mkpokọta ọla kọpa-aluminom n'okpuru:

Na mmepụta, ọ bụ ihe amamihe dị na ya ịmalite site na obere ume ike ma jiri nwayọọ nwayọọ mụbaa site na ịgbado ọkụ ule kama ime mgbanwe dị ukwuu n'otu nzọụkwụ.

2.Oge ịgbapụta oke

Ọ bụ ezie na ịgbado ọkụ capacitor na-agụnyekarị ogologo oge weld dị mkpụmkpụ, oge ịgbatị oge na-ezighi ezi ka nwere ike iduga mkpokọta okpomọkụ. Mgbe interface weld na-anọ na okpomọkụ dị elu ruo ogologo oge, mpaghara a wụrụ awụ na-agbasa nke ukwuu na ikpo ọkụ nwere ike ime.

Ọnọdụ a na-abawanye ohere nke ịmepụta spatter ma na-eme ka oxidation dịkwuo elu, na-ebute elu weld gbara ọchịchịrị.

N'ọtụtụ ngwa ọla kọpa-aluminom, ansoro ogologo oge dị elu-ugbu a, mkpụmkpụ{1}a na-ahọrọ ya n'ihi na ọ na-emepụta nugget weld kwụsiri ike ma na-ebelata ntinye ọkụ na-adịghị mkpa.

3.Uneven Energy mmepụta ma ọ bụ Abnormal Waveforms

Ọ bụrụ na mmepụta ọkụ na-esiwanye ike n'ihi ịka nká capacitor ma ọ bụ mmebi sistemu njikwa, ụdị ebili mmiri dị ugbu a nwere ike ịgbanwe n'oge ịgbado ọkụ. Ọgba aghara a na-eduga na nkesa okpomọkụ na-enweghị isi n'ofe mpaghara weld.

N'ihi nke a, mpaghara ụfọdụ nwere ike ịnweta ngwakọta ezughị oke ebe ndị ọzọ na-ekpo ọkụ, na-akpata ma spatter na agba weld na-ekwekọghị ekwekọ.

Na gburugburu mmepụta olu dị elu{{0}, mbelata ikike capacitor gafere ihe dịka 10% nwere ike imetụta ịdị n'otu weld. Ya mere, a na-atụ aro ka a na-enyocha arụmọrụ capacitor mgbe niile na nkwụsi ike nke ebili mmiri.

N'ọtụtụ ọnọdụ mmepụta, ntụpọ weld anaghị akpata oke akụrụngwa kama site na nkwadebe elu adịghị mma. N'elu ọla kọpa na aluminom na-etolite n'ụdị oxide mgbe ekpughere ya na ikuku, ma ọ bụrụ na ewepụghị akwa ndị a nke ọma, ịgbado ọkụ kwụsiri ike na-esi ike ọbụlagodi na akụrụngwa dị elu.

1.Mwepụ ezughị ezu nke Oxide Layers

Ọla kọpa na aluminom na-emepụta ihe nkiri oxide ngwa ngwa na ikuku. Aluminom oxide, akpan akpan, nwere agbaze ebe mkpokọta 2050 ogo , nke bụ budata elu karịa nke aluminum n'onwe ya.

N'oge ịgbado ọkụ, oyi akwa oxide anaghị agbaze ngwa ngwa kama ọ na-egbochi erute ugbu a. Nguzogide a na-ebute ịgba mgbakasị mpaghara, nke na-ebute spatter ma na-enye aka na weld n'elu ịgba ọchịchịrị.

A na-atụkarị aro ka ụzọ ihicha igwe dị ka polishing abrasive ma ọ bụ igwe anaghị agba nchara{0}}. Oge dị n'etiti ihicha na ịgbado ọkụ kwesịrị ịbụ oke n'ihe na-erughị awa anọ iji belata re-oxidation.

2.Residual Mmanụ, Uzuzu, ma ọ bụ Contaminants

N'oge a na-arụ ọrụ, nchekwa, ma ọ bụ njikwa, ọla kọpa na aluminom na-ebufekarị mmiri mmiri, mmanụ mmanu, ma ọ bụ ihe mmetọ ikuku. Ọ bụrụ na ihe ndị a dị n'elu, ha nwere ike ọkụ ma ọ bụ carbonize n'oge ịgbado ọkụ.

Usoro a nwere ike iwepụta ihe fọdụrụ ojii na pores gas, na-eduga n'ịchọpụta ihe na-ahụ anya na mbelata ikike eletrik.

A na-atụ aro iji mmanya na-egbu egbu ma ọ bụ acetone ihicha tupu ịgbado ọkụ iji hụ na ọnọdụ elu na-agbanwe agbanwe.

3.Edoghị mma elu Roughness

Ọdịiche dị n'elu na-arụ ọrụ dị mkpa n'ịhụ na kọntaktị eletrik kwụsiri ike. Ebe ndị na-esighị ike na-enwekarị ọnyà oxide na ihe ndị na-emerụ emerụ, ebe elu dị larịị nke ukwuu nwere ike ibelata mpaghara kọntaktị dị irè.

Ọnọdụ abụọ a nwere ike ibute nkesa na-ezighi ezi ugbu a yana ikpo oke ọkụ mpaghara.

N'ọtụtụ ọla kọpa-aluminom ngwa ịgbado ọkụ, a elu roughness nso nkeRa 0.8-1.6 μma na-ewere na o kwesịrị ekwesị.

Usoro electrode na-arụ ọrụ abụọ na ịgbado ọkụ site na-eduzi ugbu a na itinye ike n'ọrụ. Ngbanwe ọ bụla na ọnọdụ electrode nwere ike imetụta nkwụsi ike weld.

1.Ihe na-adịghị ekwe omume Electrode ma ọ bụ oke iyi

Nhọrọ ihe elektrọd na-ezighi ezi ma ọ bụ iji ogologo oge na-enweghị mmezi nwere ike ibute nrụrụ electrode ma ọ bụ nrụrụ. Mgbanwe ndị a na-agbanwe nkesa njupụta ugbu a ma nwee ike ibute ikpo oke ọkụ mpaghara.

Ngwa elektrọd a na-ahụkarị gụnyere:

Ekwesịrị ka a na-enyocha elektrọd ọ bụla3000-5000 weld okirikiri, dabere na mmepụta olu.

2.Ezughi oke ma ọ bụ na-adịghị mma Electrode Force

Mgbe ike electrode ezughi oke, obere oghere nwere ike ịdị n'etiti ndị na-arụ ọrụ. N'oge a na-apụ apụ, oghere ndị a nwere ike ime ka arịlịka, na-eduga n'ichepụta spatter siri ike.

N'otu oge ahụ, kọntaktị na-adịghị mma na-abawanye nguzogide mpaghara, nke na-eme ka ikpo ọkụ dịkwuo elu ma na-akwalite mgbanwe weld.

Maka ọtụtụ ngwa ọla kọpa-aluminom, ike electrode na-adaba n'ime oke nke200–600 N, dabere na ọkpụrụkpụ ihe.

3.Poor Electrode jụrụ ma ọ bụ n'elu mmetọ

Ọ bụrụ na sistemụ jụrụ oyi anaghị echekwa njikwa okpomọkụ zuru oke, okpomọkụ electrode na-abawanye nke nta nke nta. Ọnọdụ a na-abawanye ohere nke ịrapara na nrachi ígwè na elu electrode.

N'oge weld ndị na-esote, ihe ndị a nwere ike ịgba ọkụ wee mepụta nkwụnye carbon, na-atụnye ụtụ na agba agba agba.

Ọnọdụ jụrụ oyi akwadoro gụnyere:

• Mmiri oyi oyi: 20-30 degrees
• Ọnụego mmiri jụrụ oyi: Karịrị ma ọ bụ nhata 4 L / min

Ọbụlagodi mgbe edoziziri paramita nke ọma, ntụpọ weld ka nwere ike ime ma ọ bụrụ na imepụta akụrụngwa adabaghị n'ihe achọrọ ngwa.

1.Ezigbo Electrode Contact Area or udi

Ọ bụrụ na geometry electrode adabaghị n'ichepụta workpiece, nkesa ugbu a na-aghọ enweghị isi. Mpaghara kọntaktị buru ibu na-ebelata njupụta dị ugbu a, ebe oke obere kọntaktị na-abawanye ohere nke ikpo oke ọkụ mpaghara.

Nhazi electrode kwesịrị ekwesị kwesịrị ịdabere na ọkpụrụkpụ ihe yana nha weld chọrọ.

2.Enweghị Enyemaka Gas Shielding

N'ime ngwa chọrọ ogo elu elu, ikpughe ikuku oxygen n'oge ịgbado ọkụ nwere ike ime ka mmeghachi omume oxidation dịkwuo elu.

Nnyocha na-egosi na iji argon na-echebe gas nwere ike ibelata weld oxidation site na ihe dịka30–50%, na-ebute ọdịdị dị mma na nkwụsi ike.

3.Equipment Aging or Component Failure

Ka oge na-aga, ihe ndị dị ka capacitors, modul njikwa, na sistemu jụrụ oyi nwere ike imebi. Nke a na-emebi emebi na-ebelata nkwụsi ike nke sistemu niile.

Akụrụngwa na-arụ ọrụ makaAfọ 3-5kwesịrị ileba anya n'usoro iji nyochaa arụmọrụ.

Nkọwa ọrụ dị ka obere obere nwekwara ike imetụta ịdịmma weld nke ukwuu.

1. Ogbenye Workpiece Nhazi ma ọ bụ Gaps

Ọ bụrụ na akụkụ ọla kọpa na aluminom adabaghị nke ọma, ịgba ọkụ eletrik nwere ike ime n'oge a na-agbapụta ya, na-ebute oke nfe na ikpo ọkụ mpaghara.

Ịhụ na ọ dabara nke ọma{0}} tupu ịgbado ọkụ dị mkpa.

2. Ọnọdụ okpomọkụ na-adịghị mma ma ọ bụ iru mmiri

Ebe dị elu iru mmiri na-akwalite mgbasa mmiri n'elu ihe onwunwe, na-eme ka oxidation dịkwuo elu.

Ọnọdụ gburugburu ebe obibi akwadoro gụnyere:

• Okpomọkụ: 15-30 degrees
• iru mmiri: 40-70%

3.Enweghị mmezi Electrode na-aga n'ihu

Na gburugburu mmepụta ihe na-aga n'ihu, ịghara ijikwa electrodes nwere ike jiri nwayọọ nwayọọ na-eweda ọrụ ịgbado ọkụ.

A na-atụ aro usoro nleba anya oge niile, ihicha kwa ụbọchị, na ndochi ihe ndị na-eyi eyi kwa oge.

Mmechi

Ibelata spatter na igbochi weld discoloration na ọla kọpa-aluminom ịgbado ọkụ na-achọ usoro a haziri ahazi kama mgbanwe ndị dịpụrụ adịpụ. Nsonaazụ ịgbado ọkụ kwụsiri ike na-adabere na parampat ike kwesịrị ekwesị, nkwadebe elu kwesịrị ekwesị, arụmọrụ electrode a pụrụ ịdabere na ya, nhazi akụrụngwa dabara adaba, yana ọnọdụ arụ ọrụ a na-achịkwa.

Na gburugburu n'ichepụta ihe, njikwa usoro na-agbanwe agbanwe yana nhazi oge niile na-eme ka ogo weld dịkwuo mma ma na-ebelata mgbanwe mmepụta. Ọzọkwa, ịhọrọ akụrụngwa nwere njikwa ike ziri ezi, sistemu jụrụ oyi na-arụ ọrụ nke ọma, yana arụmọrụ igwe kwụsiri ike na-arụ ọrụ dị mkpa n'inweta nkwonkwo ọla kọpa-aluminom kwesịrị ntụkwasị obi.

Maka ụlọ ọrụ dịka nchekwa ike, nrụpụta batrị, na ụgbọ ala eletrik, nkwụsi ike weld abụghị naanị ihe gbasara ọdịdị kama ọ bụkwa ihe dị mkpa na-emetụta arụmọrụ eletrik yana nchekwa ogologo oge{{0}. Nkwalite usoro na-aga n'ihu na omume mmezi ọzụzụ ka dị mkpa iji nweta ma nrụpụta dị elu yana ịdị mma ngwaahịa a pụrụ ịdabere na ya.

Kpọtụrụ ugbu a