Porosity bụ oghere a kpụrụ mgbe afụ dị na ọdọ mmiri a wụrụ awụ na-agbanarị n'oge ịgbado ọkụ n'oge ịgbado ọkụ. Mgbe ịgbado ọkụ na J507 alkaline electrode, e nwere ọtụtụ n'ime nitrogen pores, hydrogen pores na CO pores. Ọnọdụ ịgbado ọkụ dị larịị nwere ọtụtụ pores karịa ọnọdụ ndị ọzọ; enwere okpukpu ala karịa ndochi na ikpuchi elu; e nwere ogologo arc ịgbado ọkụ karịa obere arc ịgbado ọkụ; enwere ịgbado ọkụ arc na-akwụsịtụ karịa ka ịgbado ọkụ na-aga n'ihu; na enwere ọtụtụ mmalite arc, mmechi arc na ebe nkwonkwo karịa ịgbado ọkụ. Enwere ọtụtụ ọnọdụ ndị ọzọ ịkwa akwa. Ịdị adị nke pores ga-eme ka ọ bụghị nanị na-ebelata njupụta nke weld ma mee ka akụkụ dị iche iche dị irè nke weld dị irè, ma na-ebelata ike, plasticity na ike nke weld. Dị ka e ji mara droplet nyefe nke J507 ịgbado ọkụ mkpara, anyị na-ahọrọ ndị ịgbado ọkụ isi iyi, kwesịrị ekwesị ịgbado ọkụ ugbu a, ezi uche na-amalite na mmechi, obere arc ọrụ, linear mkpara njem na akụkụ ndị ọzọ na-achịkwa, na-enweta ezi mma mmesi obi ike na ịgbado ọkụ mmepụta. .
1. Nhazi nke stomata
Igwe a wụrụ awụ na-agbaze nnukwu gas na oke okpomọkụ. Ka okpomọkụ na-adaba, ikuku ndị a na-eji nwayọọ nwayọọ na-esi na weld pụọ n'ụdị afụ. Gas nke na-enweghị oge ịgbapụ na-anọgide na weld wee mepụta pores. Gasị ndị na-etolite pores na-agụnyekarị hydrogen na carbon monoxide. Site na nkesa nke stomata, e nwere otu stomata, stomata na-aga n'ihu, na nnukwu stomata; site na ebe stomata, ha nwere ike kewaa n'ime stomata dị n'èzí na stomata dị n'ime; site na udi, e nwere pinholes, gburugburu stomata, na warara stomata (na stomata bụ warara-worm ekara) , nke na-aga n'ihu gburugburu pores), yinye-dị ka na mmanụ aṅụ pores, wdg N'ihi na ugbu a, ọ bụ ihe na-ahụkarị maka J507 electrodes iji mepụta ntụpọ pore n'oge ịgbado ọkụ. Ya mere, na-ewere ịgbado ọkụ nke obere carbon ígwè na J507 electrode dị ka ihe atụ, ụfọdụ mkparịta ụka na-mere na mmekọrịta dị n'etiti ihe na-akpata nke pore ntụpọ na ịgbado ọkụ usoro.
2.Njirimara nke J507 ịgbado ọkụ mkpanaka droplet nyefe
J507 mkpanaka ịgbado ọkụ bụ obere-hydrogen ịgbado ọkụ mkpanaka na elu alkalinity. Enwere ike iji mkpanaka ịgbado ọkụ a mgbe igwe ịgbado ọkụ DC na-atụgharị polarity. Ya mere, n'agbanyeghị ụdị igwe ịgbado ọkụ DC a na-eji, ntụgharị droplet sitere na mpaghara anode gaa na mpaghara cathode. N'ozuzu akwụkwọ ntuziaka arc welding, okpomọkụ nke mpaghara cathode dị ntakịrị ala karịa okpomọkụ nke mpaghara anode. Ya mere, n'agbanyeghị ụdị mgbanwe ọ bụ, okpomọkụ ga-ebelata mgbe ụmụ irighiri mmiri na-erute na mpaghara cathode, na-eme ka nchịkọta nke ụmụ irighiri mmiri nke ụdị electrode a na-atụgharị n'ime ọdọ mmiri a wụrụ awụ, ya bụ, a na-emepụta ụdị mgbanwe nke mpempe akwụkwọ. . Otú ọ dị, n'ihi na akwụkwọ ntuziaka arc ịgbado ọkụ bụ mmadụ na-akpata: dị ka proficiency nke welder, size nke ugbu a na voltaji, wdg, size nke ụmụ irighiri mmiri na-erughị eru, na size nke a wụrụ awụ ọdọ mmiri kpụrụ bụkwa ihe na-erughị eru. . Ya mere, ntụpọ ndị dị ka pores na-etolite n'okpuru mmetụta nke ihe mpụga na nke dị n'ime. N'otu oge ahụ, ihe mkpuchi electrode alkaline nwere nnukwu fluorite, nke na-emebi ions fluorine na ikike ionization dị elu n'okpuru ọrụ nke arc, na-eme ka nkwụsi ike nke arc dịkwuo njọ ma na-eme ka nnyefe droplet na-akwụghị ụgwọ n'oge ịgbado ọkụ. ihe. Ya mere, iji dozie nsogbu porosity nke J507 electrode akwụkwọ ntuziaka arc ịgbado ọkụ, na mgbakwunye na ihicha electrode na ihicha uzo, anyị ga-amalitekwa na nkà na ụzụ jikoro iji hụ na nkwụsi ike nke arc droplet nyefe.
Ngwá ọrụ ịgbado ọkụ Xinfa nwere njirimara dị elu na ọnụ ala dị ala. Maka nkọwa, biko gaa na:Ndị na-emepụta ịgbado ọkụ na ịkpụ - China Welding & Cutting Factory & Suppliers (xinfatools.com)
3. Họrọ isi iyi ike ịgbado ọkụ iji hụ na arc kwụsiri ike
Ebe ọ bụ na mkpuchi electrode J507 nwere fluoride nwere ikike ionization dị elu, nke na-akpata enweghị ike na gas arc, ọ dị mkpa ịhọrọ isi iyi ịgbado ọkụ kwesịrị ekwesị. A na-ekewa isi mmalite ịgbado ọkụ DC nke anyị na-ejikarị ụzọ abụọ: igwe ịgbado ọkụ rotary DC na igwe na-emezi silicon rectifier DC igwe ịgbado ọkụ. Ọ bụ ezie na ha mpụga e ji mara akụkụ na-niile na-agbada àgwà, n'ihi na rotary DC arc ịgbado ọkụ igwe na-enweta nzube nke rectification site wụnye nhọrọ commutating okporo osisi, ya mmepụta ugbu a waveform swings na a mgbe udi, nke ga-abụ a macroscopic onu. Enyere aha ugbu a, microscopically, mmepụta ugbu a na-agbanwe na obere njupụta, ọkachasị mgbe mgbanwe nke ụmụ irighiri mmiri, na-eme ka njupụta swing na-abawanye. Igwe ịgbado ọkụ DC agbaziri silicon na-adabere na akụrụngwa silicon maka ndozi na nzacha. Ọ bụ ezie na mmepụta ugbu a nwere ọnụ ọgụgụ kasị elu na ndagwurugwu, ọ na-adịkarị mma, ma ọ bụ na e nwere ntakịrị ihe na-atụgharị na usoro ụfọdụ, n'ihi ya enwere ike ịtụle ya mgbe niile. Ya mere, ọ na-enwechaghị mmetụta site na ngbanwe nke ntanaka, na mgbanwe mgbanwe ugbu a na-akpata site na ntupu mmiri adịghị nnukwu. N'ọrụ ịgbado ọkụ, e kwubiri na silicon rectifier igwe ịgbado ọkụ nwere obere ohere nke pores karịa rotary DC arc ịgbado igwe igwe. Mgbe nyochachara nsonaazụ ule ahụ, a kwenyere na mgbe ị na-eji elektrọn J507 maka ịgbado ọkụ, a ga-ahọrọ igwe ịgbado ọkụ siri ike nke silicon siri ike na-agbado ọkụ, nke nwere ike hụ na nkwụsi ike arc ma zere mmebi nke ntụpọ pore.
4. Họrọ ihe kwesịrị ekwesị ịgbado ọkụ ugbu a
N'ihi na J507 electrode ịgbado ọkụ, electrode nwekwara nnukwu ego nke alloy ihe na weld isi na mgbakwunye na mkpuchi iji welie ike nke weld nkwonkwo na-ewepụ ohere nke pore ntụpọ. N'ihi iji nnukwu ịgbado ọkụ ugbu a, ọdọ mmiri a wụrụ awụ na-emiwanye emi, mmeghachi omume ọla na-esiwanye ike, a na-erekwa ihe ndị dị na alloy ọkụ nke ukwuu. N'ihi na nke ugbu a bụ oke ibu, na-eguzogide okpomọkụ nke ịgbado ọkụ isi ga-doro anya na-amụba sharply, na electrode ga-acha uhie uhie, na-eme ka organic okwu na electrode mkpuchi decompose akaghi aka na-etolite pores; ebe nke ugbu a dị ntakịrị. Ọsọ kristal nke ọdọ mmiri a wụrụ awụ dị oke ngwa ngwa, na gas na ọdọ mmiri a wụrụ awụ enweghị oge ịgbapụ, na-akpata pores. Tụkwasị na nke ahụ, a na-eji DC reverse polarity, na okpomọkụ nke ebe cathode dị ntakịrị. Ọ bụrụgodị na atom hydrogen emepụtara n'oge mmeghachi omume ime ihe ike na-agbaze n'ime ọdọ mmiri a wụrụ awụ, ihe alloy enweghị ike dochie ha ngwa ngwa. Ọbụlagodi na gas hydrogen na-esi na weld ahụ efepụ ngwa ngwa, ọdọ mmiri ahụ gbazere na-ekpo ọkụ nke ukwuu wee mee ka ọ dị jụụ ngwa ngwa, na-eme ka ụmụ irighiri ihe ndị na-emepụta hydrogen na-eme ka ha sie ike na weld ọdọ mmiri a wụrụ awụ wee mepụta ntụpọ pore. Ya mere, ọ dị mkpa iji tụlee ihe kwesịrị ekwesị ịgbado ọkụ ugbu a. Mkpara ịgbado ọkụ nke hydrogen dị ala n'ozuzu nwere usoro dị ntakịrị ntakịrị ugbu a nke ihe dịka 10 ruo 20% karịa mkpanaka ịgbado ọkụ acid nke otu nkọwapụta. Na omume mmepụta, maka obere eriri mmiri na-agbado ọkụ, square nke dayameta nke eriri ịgbado ọkụ na-amụba site na iri nwere ike iji dị ka ihe ntụnye aka ugbu a. Dị ka ihe atụ, na Ф3.2mm electrode nwere ike ịtọ na 90 ~ 100A, na Ф4.0mm electrode nwere ike ịtọ na 160 ~ 170A dị ka ihe ntụaka ugbu a, nke nwere ike iji dị ka ndabere maka ịhọrọ usoro parameters site nnwale. Nke a nwere ike ibelata ọkụ na-ere ọkụ nke ihe alloy ma zere ohere nke pores.
5. Ezi uche na-amalite na mmechi
J507 electrode welding nkwonkwo na-enwekarị ike ịmepụta pores karịa akụkụ ndị ọzọ. Nke a bụ n'ihi na okpomọkụ nke nkwonkwo na-adịkarị ntakịrị ala karịa akụkụ ndị ọzọ n'oge ịgbado ọkụ. N'ihi na ngbanwe nke eriri ịgbado ọkụ ọhụrụ emewo ka ikpo ọkụ na-ekpo ọkụ ruo oge ụfọdụ na njedebe arc mbụ, a pụkwara inwe mmebi mpaghara na njedebe nke mkpanaka ọhụrụ nke ịgbado ọkụ, na-eme ka pores dị ukwuu na nkwonkwo. Iji dozie ntụpọ pore kpatara nke a, na mgbakwunye na ọrụ mbụ Na mgbakwunye na ịwụnye efere arc-amalite dị mkpa na njedebe mmalite, na nkwonkwo ọ bụla dị n'etiti, jiri nwayọọ kpoo njedebe nke electrode ọhụrụ ọ bụla na arc. -mmalite efere ịmalite arc iji wepụ nchara na njedebe. Na nkwonkwo ọ bụla dị n'etiti, a ghaghị iji usoro nke arc dị elu mee ihe, ya bụ, mgbe a kwụsịrị arc ahụ 10 ruo 20 mm n'ihu weld ma kwụsie ike, a na-eweghachi ya azụ na njedebe arc nke oghere. nkwonkwo nke mere na mbụ arc mmechi ebe nwere ike na-ekpo ọkụ na mpaghara ruo mgbe gbazee agbaze. Mgbe ịmechara, belata arc ahụ wee fegharịa ya ntakịrị elu na ala 1-2 ugboro ka ọ na-agbado nke ọma. Mgbe a na-emechi arc, a ga-edobe arc ahụ ka ọ dị mkpụmkpụ dị ka o kwere mee iji chebe ọdọ mmiri a wụrụ awụ ka ọ ghara ijuputa oghere arc. Jiri ọkụ ọkụ ma ọ bụ na-atụgharị azụ na azụ ugboro 2-3 iji mejupụta oghere arc iji kpochapụ oghere ndị a na-emepụta na arc mmechi.
6. Mkpirisi arụ ọrụ arc na mmegharị ahịrị
N'ozuzu, J507 mkpara ịgbado ọkụ na-emesi ike iji obere arc ọrụ. Ebumnuche nke arụ ọrụ arc dị mkpirikpi bụ iji chebe ọdọ mmiri ngwọta ka mmiri mmiri ngwọta na ọnọdụ na-ekpo ọkụ na-ekpo ọkụ ghara ịwakpo ikuku n'èzí ma mepụta pores. Ma n'ọnọdụ dị aṅaa ka a ga-ejigide arc dị mkpirikpi, anyị chere na ọ dabere na mkpanaka ịgbado ọkụ nke nkọwa dị iche iche. Na-emekarị obere arc na-ezo aka n'ebe dị anya ebe a na-achịkwa ogologo arc na 2/3 nke dayameta nke mkpanaka ịgbado ọkụ. N'ihi na anya dị ntakịrị, ọ bụghị naanị ọdọ mmiri ngwọta enweghị ike ịhụ nke ọma, mana ọ na-esikwa ike ịrụ ọrụ ma nwee ike ime ka obere sekit na arc gbajie. Ọbụghị oke ma ọ bụ dị ala nwere ike nweta ebumnuche nke ichebe ọdọ mmiri ngwọta. Ọ bụ ihe amamihe dị na ya ibufe eriri n'ahịrị kwụ ọtọ mgbe ị na-ebufe ibe. Ịgbagharị azụ na azụ nke ukwuu ga-eme ka nchebe na-ezighị ezi nke ọdọ mmiri ngwọta. Maka ọkpụrụkpụ buru ibu (na-ezo aka na ≥16mm), enwere ike iji oghere U-meghee ma ọ bụ okpukpu abụọ mee ihe iji dozie nsogbu ahụ. N'oge ịgbado ọkụ mkpuchi, enwere ike iji ịgbado ọkụ na-agafe ọtụtụ ụzọ iji belata oke nfe. A na-anabata usoro ndị a dị n'elu n'ịmepụta ịgbado ọkụ, nke na-abụghị naanị na-eme ka ịdị mma dị n'ime ahụ pụta ìhè kamakwa na-eme ka bead weld dị larịị ma dị mma.
Mgbe ị na-arụ ọrụ electrodes J507 maka ịgbado ọkụ, na mgbakwunye na usoro usoro ndị a dị n'elu iji gbochie pores nwere ike ime, a pụghị ileghara ụfọdụ usoro ihe a chọrọ anya. Dị ka ihe atụ: ihicha mkpara ịgbado ọkụ iji wepụ mmiri na mmanụ, ikpebi na nhazi uzo, na kwesịrị ekwesị grounding ọnọdụ iji gbochie arc deflection na-eme ka pores, wdg Naanị site ịchịkwa usoro usoro dabeere na àgwà nke ngwaahịa, anyị ga-abụ. nwee ike belata nke ọma ma zere ntụpọ pore.
Oge nzipu: Nov-01-2023
