Lapho ushisela ama-alloys e-aluminium, izinketho zakuqala ngokuvamile zihlanganisa ukulungiswa kwesigaba sesibiliimishini yokushisela amabalakanye nemishini yokushisela indawo yokugcina amandla. Le mishini ikhethwa ngoba ama-alloys e-aluminium ane-conductivity ephezulu kagesi kanye ne-thermal conductivity.
Imishini evamile yokushisela indawo ye-AC ngokuvamile ayisebenzi ekushisiseni indawo yokushisela ibe yindawo encibilikayo noma yepulasitiki ukuze yakhe i-weld nugget. Ngaphezu kwalokho, izindawo ze-aluminium zijwayele ukwenza ifilimu ye-oxide. Iphuzu lokuncibilika le-aluminium oxide liphakeme kakhulu (cishe amadigri angu-2000) uma liqhathaniswa nendawo yokuncibilika ye-aluminium engu-660 degrees. Ngakho-ke, ukuphula ngempumelelo ungqimba lwe-oxide nokushisisa i-weld nugget kuba kubalulekile ekukhetheni umshini wokushisela indawo ye-aluminium alloy.
Ngokuya ngokoMthetho ka-Joule Q=I²Rt, ngenxa yokuguquguquka kukagesi okuphezulu kanye nokuthungwa okuthambile kwama-alloys e-aluminium, imishini yokushisela indawo idinga ukuba nokukhiphayo okukhulu kwamanje, ukusebenza kahle kokushisa okuphezulu, kanye nengcindezi ephansi uma kuqhathaniswa. Ngokungafani nokucaciswa okujwayelekile okuthambile, ukushiselwa kwe-aluminium alloy spot akukwazi ukusebenzisa izikhathi zokushisela ezinde kodwa kudinga ubude besikhathi obufushane obunamandla aphezulu.
Ngokwethulwa kwemishini yokushisela i-medium frequency inverter DC spot, izici zayo zokulungiswa kwamagagasi agcwele kanye nokuphuma okuqondile kwamanje kuthuthukise kakhulu ukusebenza kahle kokushisa kanye nomthelela wokungena ngesikhathi sokushisela. Lokhu kuphambene nokushiyeka kokulungiswa kwe-semi-wave emishinini yokulungisa yesibili yezigaba ezintathu kanye nesikhathi sokukhishwa kwemishini yokugcina amandla. Selokhu kwavela imishini yokushisela i-DC spot welding ye-frequency ephakathi, isiphenduke inketho ekhethwayo yokushisela ama-alloys e-aluminium.
Ake ngikutshele, ngenxa yokulinganisa kwawo kwamandla ezigaba ezintathu, ukuphuma okuqondile kwamanje, kanye nesikhathi sokushisela esilawulekayo, umshini wokushisela we-DC spot welding we-frequency ophakathi uyinketho ekhethwayo yokushisela ama-alloys e-aluminium.
Suzhou Agera Automation Equipment Co., Ltd. is a manufacturer specializing in welding equipment, focusing on the development and sales of efficient and energy-saving resistance welding machines, automated welding equipment, and industry-specific custom welding equipment. Anjia is dedicated to improving welding quality, efficiency, and reducing welding costs. If you are interested in our medium frequency spot welding machine, please contact us：leo@agerawelder.com
Isikhathi sokuthumela: Apr-30-2024
