ʻOkoʻa ma waena o Submerged Arc Welding a High Frequency Weld

ʻO ka hoʻoheheʻe ʻana i loko o ke arc he hana hoʻoheheʻe ʻia ma lalo o ke ʻano hoʻoheheʻe flux layer.Welding arc ma waena o ka uea a me ka weldment wela wela o ka arc a me arc kuʻihao uea pau kokoke i ke kumu metala a me ka solder hehee, e hoomau i ka hanai ana i ka uea, a hele aku ma kekahi trajectory, he arc weld pool solidified metala e weld i ka hehee. hoʻopaʻa ʻia ka solder i loko o ka pūpū e uhi ana i ka ʻili o ka weld slag, slag o ka wai hoʻoheheʻe a me ka weld metala no ka pale ʻana i ka arcing a me ka loko e ka hoʻokomo ʻana o ka ea o waho.

ʻO ka kuʻihao kuʻi ʻana i loko o ka pahu, uea, uea a me ka mea hoʻoneʻe hoʻoneʻe ke hana ʻia ia hana e ka mīkini, ʻike ʻia ʻo ia ʻo submerged arc welding.Loaʻa iā SAW nā mea maikaʻi: ① kiʻekiʻe kiʻekiʻe o ka mechanization, no ka welders e koi i nā pae mākaukau haʻahaʻa;② wiliwili i kēia manawa, hiki ke hoʻemi ʻia nā weldments groove, kiʻekiʻe kuʻihao pono;③ hiki ke hoʻokaʻawale ʻia mai ka hoʻoheheʻe ʻana i ka metala i hoʻoheheʻe ʻia me ka ea, maikaʻi ka hopena pale, maikaʻi ke kiʻekiʻe weld;④ uhi ʻia me ka radiation arc, ʻoi aku ka maikaʻi o ka hana.ʻO ka hemahema ʻo ia wale nō i ka wiliwili kūlana paʻa, nā mea hana a me nā mea hana e koi ana.

ʻO ka hoʻoheheʻe kiʻekiʻe a hiki i ke alapine kiʻekiʻe o ka hoʻomehana ʻana i kēia manawa o ka mea hana, a laila hoʻopili ʻia nā hui kuʻi puʻe (e nānā i ke kiʻi).Hoʻopili ʻia kahi ʻano alapine kiʻekiʻe ma ka ʻili o kahi conductor a kahe ma ke ala o ka inductance liʻiliʻi ma luna o ka loina, e hoʻopaʻa ʻia ke ʻano o kēia manawa i ka hoʻomehana ʻana o ka ʻili o ka mea hana e welded, ua hiki ke kūlana thermoplastic, a i ʻole ʻāpana ʻāpana, extruding. ʻo ka mea hoʻoheheʻe ʻia ma luna o ka mea hana a me ke kaomi ʻana i ka oxide metala, ua hana ʻia me nā hui welded.Kiekie-frequency wiliwili alapine maʻamau o 60 a 500 kHz.ʻO ke kuʻi alapine kiʻekiʻe ka wiliwili kiʻekiʻe kiʻekiʻe a me ʻelua kiʻekiʻe-frequency induction welding.

① ʻO ke kuʻekuʻe kiʻekiʻe kiʻekiʻe: ka hoʻopili ʻana me ka huila a ma ke ʻano he sub-electrode kiʻekiʻe-frequency au i loko o ka mea hana, kūpono no ka hoʻomau longitudinal seam welded paipu a me ka spiral lap seam welding, boiler tube a me ka fin heat exchanger spiral welded fin, waho anawaena Hiki i ka paipu ke 1200 mm a me ka mānoanoa o ka pā o 16 mm, ventral beam welding electrode mānoanoa 9.5 mm, kiʻekiʻe huahana.
② kiʻekiʻe-frequency induction kuʻihao: hiki ke welded i ke anawaena o waho o 9 mm a me 1 mm mānoanoa pā o ka workpiece e ka induction hoʻoheheʻe coil.Hoʻohana maʻamau i ka liʻiliʻi anawaena longitudinal pipe seam kuʻi a me ke keleawe hiki ke hoʻohana ʻia i ka weld girth, akā ʻoi aku ka nui o ka hoʻohana ʻana i ka mana ma mua o ke kuʻekuʻe kūʻē kiʻekiʻe.ʻO nā palena nui e pili ana i ka maikaʻi o ka welding kiʻekiʻe ka mana pinepine, ka mana, ka mea hana e hoʻokumu ana i ke kihi, ka wikiwiki o ka welding a me ke kaomi mai ka squeeze, ka electrode (a i ʻole induction coil) a me nā rollers squeeze.ʻO ka lako mana alapine nui, ka mea hana hana a me ka mīkini extrusion.Paʻa kiʻekiʻe-frequency wiliwili maikaʻi, kiʻekiʻe huahana a me ka haʻahaʻa kumu kūʻai.No ka laina hana ʻakomi kiʻekiʻe, ka hana ʻana o nā ʻano hana kiʻekiʻe slit tube.


Ka manawa hoʻouna: ʻAukake-02-2023