Welding inzira yakakosha mukugadzira simbi inosanganisa zvidimbu zviviri zvesimbi kuita imwe yakasimba chimiro. Simbi yakabatiswa isimbi yakavharwa nedandemutande rezinc, iro rinopa dziviriro yakawedzerwa kubva kune ngura uye ngura. Nekudaro, welding galvanized simbi kune simbi kunopa mamwe akasarudzika matambudziko nekuda kwezvimiro zvejasi. Muchinyorwa chino, tichaongorora kana zvichikwanisika kupinza simbi yemarara kuita simbi, matambudziko aungasangana nawo, uye nzira dzakanakisa dzekuwana weld yakasimba uye yakasimba.
Kunyangwe iwe uri kushanda pachirongwa chekuvaka, kugadzira maindasitiri, kana mapurojekiti eDIY, kunzwisisa mabatirwo esimbi yemarara kwakakosha kuti uve nechokwadi chekuvimbika uye kuchengetedzeka kwemawelds ako.
Chii chinonzi Galvanized Steel?
Usati wanyura mune welding, zvakakosha kuti unzwisise kuti chii galvanized simbi iri uye nei ichizvibata zvakasiyana nesimbi yenguva dzose kana zvasvika pakunama.
Simbi yakagadziridzwa inogadzirwa nekuputira kabhoni simbi ine layer ye zinc. Iyi galvanizing maitiro anoitwa kuchengetedza simbi kubva ku ngura uye ngura, kunyanya munzvimbo dzekunze kana nzvimbo dzine hunyoro. Iyo zinc layer inoshanda sechidziviriro chinodzivirira, ichidzivirira simbi kubva kune oxidizing uye kuwedzera hupenyu hwayo.
Nekudaro, kuvepo kwe zinc kunogona kukonzera nyaya panguva yewelding. Zinc ine nzvimbo yakaderera yekunyungudika pane simbi, uye kana iyo galvanized coating ichidziiswa newelding process, inogona kunyungudika uye kugadzira hutsi hunokuvadza. Pamusoro pezvo, zinc inogona kukanganisa kunaka kweiyo weld kana isina kubatwa nemazvo.
Unogona Weld Galvanized Simbi kuSimbi?
Hongu, zvinogoneka kupinza galvanized steel to simbi. Nekudaro, iyo nzira inoda kutarisirwa kwakanyanya uye kugadzirira nekuda kwekuvapo kweiyo zinc coating. Matambudziko makuru ndeaya:
Zinc Vaporization : Kana iwe ukashongedza simbi yakabatiswa, iyo zinc coating inopera nekuda kwekupisa kunobva mukupisa. Izvi zvinogadzira utsi hune muchetura, hunogona kuva nengozi kana ukafemerwa. Kufemesa nemhepo kwakakodzera uye matanho ekuchengetedza akakosha kuti usafeme utsi uhu.
Weld Kusvibiswa : Iyo zinc yakapfava inogona kusanganiswa nesimbi yakanyungudutswa mudziva re weld, zvichitungamira kune inogona kusvibiswa. Izvi zvinogona kukanganisa kunaka kweiyo weld uye kuita kuti ive isina simba, zvichitungamira kune zvimiro zvemukati muchigadzirwa chakapedzwa.
Yakashata Weld Hunhu : Zinc inogona kukonzera porosity, mamiriro apo maburi madiki anoumba mu weld bead, achinetesa weld. Kuvapo kwezingi kunogonawo kutungamirira kukuputika kana brittle weld, kuderedza simba rayo rose.
Matambudziko muWelding Galvanized Simbi kune Simbi
Zvino zvatava kunzwisisa kuti welding galvanized steel to simbi zvinogoneka, ngatikurukurei matambudziko chaiwo ane chekuita nerudzi urwu rwewelding:
1. Utsi uye Muchetura
Sezvambotaurwa, chinonyanya kunetsa kana welding galvanized simbi kugadzirwa kwehutsi hunokachidza. Kana zinc ichipisa panguva yewelding, inoburitsa zinc oxide vapors, izvo zvinokuvadza hutano hwevanhu. Kugara kwenguva refu kune utsi uhu kunogona kutungamirira kune fivha yesimbi, chimiro chinoratidzwa nezviratidzo zvakaita sedzihwa senge kutonhora, fivha, uye kusvotwa. Nechikonzero ichi, zvakakosha kuve nechokwadi chekufefetedza kwakaringana munzvimbo yewelding.
Kuti uderedze njodzi yekufema utsi hwezinc, gara wakapfeka chidziviriro chakagadzirirwa kugadzira simbi uye ona kuti nzvimbo yekushandira ine mhepo yakanaka. Welding munzvimbo yakavhurika kana kushandisa exhaust system inogona kuderedza zvakanyanya njodzi.
2. Pre-Welding Kugadzirira
Kuti udzivise nyaya dzinokonzerwa neiyo zinc coating, mamwe matanho ekugadzirira anodiwa usati wabatisa simbi yesimbi kusimbi:
Bvisa Zinc Coating : Imwe yenzira dzakanakisisa dzekudzikisa matambudziko ndeyekubvisa zinc coating kubva munzvimbo iyo weld ichaitwa. Izvi zvinogona kuitwa uchishandisa waya bhurasho, vhiri rekukuya, kana kemikari mhinduro dzakagadzirirwa kubvisa zinc kubva musimbi. Kubvisa coating kunodzivirira zinc kubva kumhepo uye kusvibisa weld.
Chenesa Simbi : Ita shuwa kuti nzvimbo dzesimbi dzakachena uye hadzina chero girizi, mafuta, kana marara. Kucheneswa kwakakodzera kunovimbisa kuti welding arc inogona kusanganisa zvakanaka zvinhu pasina kukanganiswa kubva kune zvinosvibisa.
3. Post-Welding Nyaya
Kunyangwe mushure mekubudirira kupinza simbi kune simbi, panogona kuve nemamwe matambudziko ekugadzirisa:
Weak Welds : Hunhu hweweld hunogona kukanganisa nekuda kwezinc yemukati, kunyanya kana isina kubviswa isati yaiswa welding. Mushure mekugadzira, zvakakosha kuti utarise ma welds kune chero zviratidzo zvekushaya simba kana kutsemuka.
Corrosion of Welded Area : Nepo mamwe galvanized simbi akadzivirirwa kubva ku ngura ne zinc coating, simbi ichangobva kufumurwa munzvimbo yakakwenenzverwa inoita ngura kana ikasabatwa zvakanaka. Izvo zvakakosha kuti uise jira risingadziviriri kune nzvimbo yakashongedzwa kuti uchengetedze kuvimbika kwechimiro.
Maitiro ekushongedza Simbi Yakagadzirwa neSimbi
Kana iwe wakagadzirira kupinza simbi yesimbi kuita simbi, tevera aya akanakisa maitiro ekudzikisa matambudziko uye kuve nechokwadi chesimba, rakasimba weld:
1. Sarudza Right Welding Process
Nzira dzakanyatsokodzera dzekutungidza simbi iMIG welding (Metal Inert Gas) uye TIG welding (Tungsten Inert Gas). Aya maitiro anokodzera zvirinani kune dzakatetepa-gauge simbi senge galvanized simbi. Nzira mbiri idzi dzinobvumira kukwenenzvera uye kuderedza njodzi yekupisa kana kupisa-kuburikidza.
MIG Welding : Iyi nzira inoshandisa tambo inoramba ichidyiswa uye inowanzo shandiswa kukurumidza welding. MIG welding yakanakira zvinhu zvakakora uye inopa kutonga kukuru pamusoro pekupisa kwekuisa.
TIG Welding : Iyi nzira inoshandisa tungsten electrode kugadzira yakachena, chaiyo weld. TIG welding inononoka asi inopa kudzora kwakanakisa pamusoro peiyo weld, ichiita kuti ive yakanakira maapplication ayo anoda kunyatsojeka.
2. Shandisa Yakakodzera Ventilation uye Chengetedza Gear
Sezvambotaurwa, welding galvanized simbi inobudisa muchetura utsi. Gara uine chokwadi chekuti uri kushanda munzvimbo ine mhepo inofefetera zvakanaka, pamwe ine fume extraction system. Pfeka midziyo yekudzivirira yakafanira (PPE), inosanganisira ngowani yemoto, magirovhosi, uye chekufemerera. Aya matanho anozobatsira kuderedza njodzi yekusangana neutsi hunokuvadza.
3. Bvisa Zinc Coating
Kuti uwane mhedzisiro yakanakisa, bvisa galvanized coating kubva munzvimbo ichaitwa weld. Izvi zvinogona kuitwa uchishandisa waya bhurashi, abrasive maturusi, kana kemikari yekubvisa mhinduro. Nekubvisa jasi, unoderedza njodzi yekusvibiswa uye unova nechokwadi chekuti simbi iri pasi pezingi inoburitswa kune yakasimba, yakachena weld.
4. Gadzirisa Welding Parameters
Paunenge uchipinza simbi yakabatiswa, ngwarira maparamita ako emagetsi, akadai sevoltage, amperage, uye kumhanya. Kupisa kwakanyanya kunogona kuita kuti zinc inyunguduke uye kugadzira weld isina kugadzikana. Tanga nezvigadziriso zvakaderera uye gadzirisa sezvinodiwa kuti uwane yakatsetseka, yakachena weld.
5. Post-Welding Cleanup uye Dziviriro
Mushure mewelding, zvakakosha kuchenesa nzvimbo yakasungwa kuti ubvise chero zvakasara kana oxidation inogona kunge yakaumbwa panguva yekuita. Kuisa jira risingadziviriri kune nzvimbo yakashongedzwa kunobatsira kuidzivirira kubva kune ngura, kuve nechokwadi chekugara kwenguva refu kweiyo welded chimiro.
Mhedziso
Mukupedzisa, welding galvanized simbi kune simbi zvinogoneka, asi zvinoda kuwedzera kugadzirira uye kutarisisa kune zvakadzama nekuda kweiyo yakasarudzika zvimiro zvejakoni. Nekubvisa iyo zinc coating, uchishandisa iyo chaiyo welding nzira, uye nekutevera kuchengetedza mapuroteni, unogona kuwana yakachena, yakasimba weld. Kunyangwe iwe uri kushanda pamaindasitiri ekushandisa, mapurojekiti ekuvaka, kana kuvandudzwa kwemba, kunzwisisa mabatirwo emarata ane galvanized kwakakosha kuti uve nechokwadi chekubudirira uye hupenyu hurefu hwepurojekiti yako.
Kana iwe uchitsvaga zvemhando yepamusoro simbi uye zvimwe zvigadzirwa zvesimbi zvepurojekiti yako inotevera, Shandong Sino Steel Co., Ltd. inopa zvepamusoro-notch zvinhu uye mhinduro kuzadzisa zvese zvaunoda zvesimbi. Bata nesu nhasi kuti udzidze zvakawanda nezve zvigadzirwa nemasevhisi edu.
FAQ
Mubvunzo: Chii chinoitika kana ndikasabvisa galvanized coating before welding?
A: Kana iyo zinc coating ikasabviswa isati yatungirwa, inogona kupfava panguva yewelding, ichiburitsa huturu hwehupfu uye kukonzera kusvibiswa muweld. Izvi zvinogona kutungamirira kune isina simba, brittle welds.
Mubvunzo: Ndinogona kushandisa chero nzira yewelding kupinza simbi yakashongedzwa?
A: MIG neTIG welding ndiyo nzira dzakanakisa dzekubatisa simbi yegalvanized nekuda kwekuita kwayo uye kutonga pamusoro pekupisa kwekuisa. Stick welding inogona kushandiswa zvakare asi haina kunyanya kuwanda kune galvanized simbi.
Mubvunzo: Ndinobvisa sei zinc coating ndisati ndatutira?
A: Iyo zinc yekuvhara inogona kubviswa uchishandisa waya bhurashi, vhiri rekukuya, kana kemikari yekubvisa mhinduro. Izvi zvakakosha kuti uve nechokwadi chesimba rakasimba, rakachena weld.
Mubvunzo: Ndingadzivirira sei ma welds angu mushure mekuisa simbi yakabatiswa?
A: Mushure mekugadzirisa, zvakakosha kuchenesa nzvimbo yakasungirirwa uye kuisa chigadziko chinodzivirira kusvibiswa kuti chidzivirire kubva kune ngura uye kuve nechokwadi chekugara kwenguva refu kwechimiro.
