Views: 0 Mutsari: Muhleri wa sayiti Ku kandziyisa nkarhi: 2022-01-12 Masungulo: Ndhawu
Ku buluka ka magnetic bias hi nkarhi wa arc welding swivangiwa hiku hangalaka lokunga ringaniki ka milayeni ya magnetic field ku rhendzela arc, leswi endlaka leswaku arc yi hambuka eka welding axis. Ku humelela ka xiendlakalo lexi swi endla leswaku ku hisiwa ka arc ku nga tshamisekangi, nsirhelelo wa gasi yo sirhelela a hi wunene, naswona ku cinca ka mathonsi a ku tshamisekanga, leswi endlaka leswaku ku va na swihoxo swo welda swo fana na ku vumbiwa ka weld loku nga riki kahle, ku tsemiwa ehansi, ku nghena loku nga helelangiki, ku pfumaleka ka timitsu kumbe interlayer ku hlangana, leswi swi khumbaka hi ku olova eka welding. Sweswi tindlela tin’wana na magoza yo herisa kumbe ku hunguta arc magnetic bias blowing swa nghenisiwa hi ndlela leyi landzelaka:
1. Ringeta ku tirhisa AC welding machine, small current, short arc welding na tindlela tin’wana to langutana na xiendlakalo lexi.
2. Cinca xiyimo xa waya wa misava.
(1) Hlanganisa waya wa misava yo welda (waya lowu bohaka) exikarhi ka weld.
(2) Hlanganisa tintambhu ta misava eka makumu hamambirhi ya weld.
(3) Endla leswaku waya wa le hansi wu va ekusuhi swinene ni xiyimo xa ku welda.
. Weld makumu yan’wana ya nomu wa phayiphi ku vona mbuyelo wofana na, xikongomelo iku khansela matimba ya magnetic lawa ya humesiwaka hi magnetic field.
4. Loko ntlawa wu ringanisiwile, ndlela ya multi-point solid welding yi tirhisiwa eka tack welding, naswona ti nozzles timbirhi ti vekiwa eka xiyimo, kutani ku endliwa welding ya ntolovelo ya electrode arc welding. Kumbe bridging method positioning, swi nga tlhela swi hoxa xandla eka degaussing.
5. Swi nga tekiwa tanihi ku tirhisa . Electromagnetic control arc stabilization system ya ku lulamisa leyi tumbuluxiweke hi ku tiyimela hi . Hangao Tech (Seko Machinery) leyi kumeke patent ya vutumbuluxi ya . Ku endlela ku antswisa vukorhokeri bya layini ya vuhumelerisi na ku kuma khwalithi ya kahle ya weld, Arc Welding Arc Stabilizer leyi tumbuluxiweke hi khamphani ya hina, leswaku yi ta tlhantlha swiphiqo leswi nga laha henhla, yi engetela nsimu ya electromagnetic ya longitudinal ya vukulu lebyi lulamisiwaka exikarhi ka arc, naswona yi tiyisisa arc exikarhi hi matimba ya electromagnetic. Kumbe u susumeta emahlweni, hi ku tiya ka electromagnetic, arc a yi nge swing endzhaku kumbe eximatsini na le xineneni, xiphiqo xa undercut na 'hump' a xi nge humeleli. Hikokwalaho, vuhumelerisi bya kahle bya antswisiwa naswona khwalithi ya tiyisisiwa. Ku tlakuka ka rivilo ra 20-30% switiyisisiwile eka vuhumelerisi bya xiviri. Ku endlela ku pfumelelana na ti welding currents to hambana hambana na rivilo ra vuhumelerisi, matimba ya electromagnetic yanga lulamisiwa kuva ya fambelana na ti welding currents to hambana hambana na rivilo.
6. Eka ti butt welds letingana swilaveko swale hansi, oxyacetylene high temperature demagnetization method yinga tirhisiwa eka matlhelo hamambirhi.
7. Kambela welding core ya electrode hi yoxe, naswona eccentricity ayi nge vi yikulu hi nkarhi wa vumaki, handle ka sweswo kutava na ku buluka ka eccentric kufana na magnetic eccentric blowing.
8. Loko ku buluka ka arc ku humelela hi nkarhi wa ku welda ka electrode, angle ya electrode yi nga lulamisiwa hi ndlela leyi faneleke, leswaku electrode yi va na mboyamelo eka tlhelo ra ku buluka, naswona ku leha ka arc ku pfuxetiwa, leswi tirhaka naswona swi tirhaka eka ku buluka loku nga riki kukulu ngopfu.
9. Loko ku buluka ka xiphemu ku humelela hi nkarhi wa ku welda etlhelo ka weldment, arc strike plate na lead-out plate swinga lulamisiwa eka makumu hamambirhi ya weldment, kutani swi susiwa endzhaku ka ku welda, leswinga tlhelaka swi tlanga xiave eka ku hunguta ku buluka ka xiphemu.
10. Susa swilo leswi nga kotekaka swa magnetic field leswi rhendzeleke weld.
11. Eka swiyimo leswikulu, tirhisa switirhisiwa swo hlawuleka swa degaussing eka degauss.