Isingeniso
Embonini yokucubungula nokukhiqiza insimbi, iI-MFDC (Medium Frequency Direct Current) isishiseli sendawoiyithuluzi elibalulekile lokuhlanganisa izingxenye zensimbi ngenxa yokusebenza kahle kwayo nokusebenza ngokunemba kwe-welding. Njengengxenye eyinhloko ye-spot welder, ukusebenza nekhwalithi ye-electrode kuthinta ngokuqondile imiphumela yokushisela nokusebenza kahle kokukhiqiza. Ngakho, yiziphi izidingo ezibalulekileI-MFDC spot welderama-electrode? Lesi sihloko sizonikeza{0}}ukuhlola okujulile okuvela kubukhulu obuningi.
- Ukukhetha Okubalulekile Nokuqina
Okokuqala, ukukhetha kwezinto ezibonakalayo ze-electrode kubalulekile. Njengoba i-electrode ingaphansi kwamazinga okushisa aphezulu, ukucindezela okukhulu, nokuguguleka kwe-arc njalo phakathi nenqubo yokushisela, impahla kufanele ibe nokuhamba kahle kukagesi, indawo ephezulu yokuncibilika, nokuzinza okuhle kakhulu kokushisa. Izinto ezivamile ze-electrode zihlanganisa ama-alloys ethusi ne-chromium zirconium yethusi. Lezi zinto azigcini nje ngokudlulisela ngempumelelo i-welding current kodwa futhi zigcina impilo ende yesevisi ngaphansi kwezimo zokusebenza ezinzima.
- Ukunemba Kobukhulu kanye Nokwakheka Komumo
Ukunemba kobukhulu be-electrode kuthinta ngqo ikhwalithi yejoyinti elishiselwe. Ama-Electrodes weMFDC spot welderskufanele icutshungulwe ngokuqinile ngokwezidingo zokuklama ukuze kuqinisekiswe ukunemba kwemingcele efana nobubanzi, ubude, kanye ne-taper. Ngesikhathi esifanayo, idizayini yomumo ye-electrode kufanele ithuthukiswe ngokusekelwe ezidingweni zokushisela, njengokwamukela i-engeli ye-taper efanele ukuze kuthuthukiswe ukusatshalaliswa kwamanje nokunciphisa amaphutha afana ne-spatter yokushisela nama-craters.
- I-Electric Conductivity kanye ne-Thermal Conductivity
Ukuhamba kahle kukagesi kungenye yezidingo eziyisisekelo zama-electrode. Ama-electrodes aphezulu kakhulu aqinisekisa ukuthi i-welding current idluliselwa ngokushesha futhi ngokulinganayo endaweni yokushisela, ngaleyo ndlela ithuthukise ukusebenza kahle kwe-welding kanye nekhwalithi. Ukwengeza, ama-electrode kufanele abe ne-conductivity enhle yokushisa ukuze achithe ukushisa okukhiqizwa ngesikhathi senqubo yokushisela ngesikhathi esifanele, ukuvimbela ukushisa ngokweqile, ukuguqulwa, noma ukulimala.
- Gqoka I-Resistance kanye Nokumelana Nokugqwala
Ngesikhathi sokusebenza kokushisela isikhathi eside, indawo ye-electrode ingaphansi kokuguguleka kwe-arc kanye nomthelela wamaconsi ensimbi, ngakho-ke kufanele ibe nokungagugi okuphezulu. Ngesikhathi esifanayo, njengoba imvelo yokushisela ingase iqukathe amagesi alimazayo noma uketshezi, i-electrode kufanele futhi ibe nokuphikiswa okuthile kokugqwala ukuze kuqinisekiswe ukusebenza okuzinzile ngaphansi kwezimo ezinzima.
- Ukushintsha kalula kanye Nokugcinwa
Ukuthuthukisa ukusebenza kahle kokukhiqiza nokunciphisa izindleko zokunakekela, ukuklanywa kweI-MFDC spot welderAma-electrode kufanele enze kube lula ukushintshwa nokugcinwa. Lokhu kubandakanya ukwamukela izindlela zokuxhuma ezijwayelekile, ukuhlinzeka ngamathuluzi okuqaqa anengqondo, kanye nokunikeza imihlahlandlela enemininingwane yokulungisa. Ngaphezu kwalokho, umjikelezo wokushintsha ama-electrode kufanele usethwe ngokunengqondo ngokusekelwe ezimweni zangempela zohlelo lokusebenza ukuze kuqinisekiswe ikhwalithi yokushisela ezinzile futhi kwandiswe ukusebenza kahle kokukhiqiza.
Kafushane, ama-electrodes e-MFDC we-welder adinga ukuhlangabezana nezidingo eziningi, okuhlanganisa ukuqina kwempahla, ukunemba kobukhulu, ukuqhutshwa kahle, ukumelana nokuguga nokugqwala, kanye nokushintshwa kalula nokunakekelwa. Njengochwepheshe bezokumaketha nokukhuthaza, kufanele siwaqonde ngokujulile lawa maphuzu ezobuchwepheshe futhi sigcizelele ukubaluleka kwekhwalithi ye-electrode yemiphumela yokushisela ngesikhathi sokuphromotha, ukusiza amakhasimende ukuthi akhethe izixazululo zokushisela ezifaneleka kakhulu nezisebenza kahle.
