1. Misunderstand of welding workpiece
Pahū koke ka ikehu kani ultrasonic, pono e hoʻokumu ʻia ka laina kuʻi i nā kiko a i ʻole nā laina a ʻo ka mamao o ka hoʻouna ʻana e kūlike me ke ʻano kuʻihao ultrasonic. Manaʻo kekahi poʻe ʻoiai ʻo ia ka mea plastik, ʻaʻohe mea pehea e hiki ke welded maikaʻi ʻia ka ʻili hui, he ʻike hewa kēia. Ke hana ʻia ka ikehu koke, ʻoi aku ka nui o ka ʻāpana hui, ʻoi aku ka paʻakikī o ka hoʻopuehu ʻana o ka ikehu, ʻoi aku ka maikaʻi o ka hopena kuʻi, a hiki ʻole ke kuʻi ʻana. Hoʻouna ʻia nā hawewe kani kani i ka longitudinally, ua like ka nalowale o ka ikehu me ka mamao, a pono e hoʻomalu ʻia ka lōʻihi i loko o 7.5 cm. Pono e hoʻomaluʻia ka laina kuʻi ma waena o 0.3-0.8mm e like me ke kūlana maikaʻi loa, aʻaʻole e emi iho ka mānoanoa o ka pā o ka mea hana ma lalo o 2mm, iʻole e hiki ke hoʻopili maikaʻiʻia, no nā huahana e pono ai ka wai.
2. Misunderstand of workpiece material
ʻO nā mīkini hoʻoheheʻe kani kani i nā koi i nā mea o nā mea hana welded. ʻAʻole hiki ke wili ʻia nā mea a pau. Manaʻo kekahi poʻe hiki ke welded kekahi mea. He kuhihewa nui keia. Hiki ke wili maikaʻi ʻia kekahi mau mea like ʻole, a hiki ke wili ʻia kekahi. ʻAʻole kūpono kekahi. ʻO ka helu hoʻoheheʻe o ka mea like like, a hiki ke welded ma ke kumu. Akā, inā ʻoi aku ka nui o ka helu heheʻe o ka mea hana welded ma mua o 350 degere, ʻaʻole kūpono ia no ka welding ultrasonic. Ma muli o ka hoʻoheheʻe ʻana o ka ultrasound i nā molekala o ka mea hana i ka manawa koke, aia ke kumu o ka hoʻokolokolo i loko o 1-3. Inā maikaʻi ʻole ke kuʻi ʻana, pono ʻoe e koho i nā kaʻina hana wili ʻē aʻe, e like me ka pā wela, ka hoʻoheheʻe milo, ka haʻalulu a me ka friction. ʻO ka mea maʻamau, ʻo ka mea ABS ka mea maʻalahi loa e weld ma muli o kona wahi heheʻe haʻahaʻa a me ka paʻakikī. ʻO ka ʻokoʻa, ʻo ka nylon ka mea paʻakikī loa e wili.
3, Nā hewa i ke koho ultrasonic
ʻEhia ka nui o ka mana e hoʻohana ai, ka pinepine oscillation, a me ka laulā amplitude e noʻonoʻo ʻia e like me ka mea o ka mea hana, ka ʻāpana o ka uea kuʻi, inā he mau mea uila i loko o ka mea hana, a inā he airtight. ʻO ka moʻoʻōlelo ʻo ka nui o ka mana, ʻoi aku ka maikaʻi. He kuhi hewa nō hoʻi kēia. Inā ʻaʻole ʻoe ʻike nui e pili ana i ka ultrasound. ʻOi aku ka maikaʻi e nīnau i ka ʻenekinia a me nā limahana loea o kahi mea kanu hana ultrasonic maʻamau. Inā hiki, ʻoi aku ka maikaʻi e kamaʻilio me ka mea hana ma ka pūnaewele, a mai hoʻolohe makapō i ka hoʻopunipuni ʻana o kekahi mau limahana kūʻai ultrasound. I kēia manawa, ʻoi aku ka paʻakikī o nā ʻoihana e hana ana i nā lako pili, ʻo ka hapa nui o ia mau hale hana ʻohana, e kope paʻa i ke kaapuni, a me he mea lā e maopopo ana i ke kumu hana. He hemahema ko ka mea i kopeia. ʻO kekahi, ʻaʻole hiki ke hōʻoiaʻiʻo ʻia ka maikaʻi o nā mea maka i kūʻai ʻia, a ʻaʻole ʻike ʻia ka ʻenehana koʻikoʻi o ke kaʻina hana lua. Hoʻohana pinepine nā mea hana i ka paʻa ʻole i ka wā waena a me ka mana kiʻekiʻe, a haʻahaʻa ka helu hōʻoia huahana. I kekahi manawa ua poino ka lako. E like me ka mea hoʻololi mana o ka transducer, ʻaʻole hiki ke ana ʻia nā ʻāpana o nā mea magnetic i hoʻohana ʻia, magnetic saturation magnetic flux density (Bs), magnetic induction intensity (Bm), effective magnetic permeability (Ue), koena magnetic flux density (Br), coercivity (A / M) etc. No laila, e kūʻai i ka ultrasound, ʻoi aku ka maikaʻi e hoʻomaopopo mua i ke kūlana o ka ʻoihana. Ma kēia ala wale nō e hiki ai ke hoʻemi ʻia nā pilikia pono ʻole i ka wā e hiki mai ana.
4, misunderstanding o ka ultrasonic output mana
ʻO ka mana hoʻopuka o ka hawewe kani ultrasonic e like me ke anawaena a me ka mānoanoa o ka piezoelectric ceramic sheet, ka mea, a me ke kaʻina hana. Hoʻohālikelike ʻia ka transducer a hoʻohālikelike ʻia ka mana kiʻekiʻe. He hana paʻakikī ke ana ʻana i ka ikehu puka. ʻAʻole ia ʻo ka nui o ka transducer, ʻoi aku ka nui o nā paipu mana i hoʻohana ʻia i ke kaapuni, ʻoi aku ka nui o ka ikehu puka. Pono ʻo ia i kahi mea ana amplitude paʻakikī e ana pono i kona amplitude. Hoʻopili ʻia me ka hoʻopunipuni ʻana o nā limahana kūʻai aku, hāʻawi ia i nā mea kūʻai aku i ka ʻike hewa ʻole i ka nui o ka ikehu uila i hoʻopau ʻia ʻaʻole e hōʻike i ka nui o ka mana ultrasonic puka. Inā haʻahaʻa ka ikehu longitudinal i hana ʻia a nui ka hoʻohana ʻana i kēia manawa, hiki iā ia ke wehewehe wale i ka pono o nā mea hana, me ka ʻole o ka mana. E ʻōlelo.
5. Misunderstanding in welding principle
He nui ka poʻe i hana i ka hoʻoheheʻe ultrasonic no nā makahiki he nui ke kuhi hewa ʻole e pili ana i ka lawe ʻana i ka ikehu ultrasonic. Manaʻo ʻia ʻo ke kuʻi ʻana o nā hawewe kani ma ka ʻili hoʻopili he kuhihewa maoli. ʻO ka ʻoiaʻiʻo kuʻihewa kumu ʻo ia ma hope o ka hoʻololi ʻana o ka transducer i ka ikehu uila i ka ikehu mechanical, hele ʻo ia ma ka mea hana. Ke hele ka hawewe kani ma ka hui o ka mea hana, nui ke kū'ē acoustic i loko o ke āpau, a nui loa ka ikehu wela. Hiki mua ka mahana i ka helu heheʻe o ka mea hana, a laila Me kekahi kaomi, ua welded ka seam, a ʻaʻole e welded nā ʻāpana ʻē aʻe o ka mea hana ma muli o ka haʻahaʻa haʻahaʻa acoustic a me ka haʻahaʻa haʻahaʻa. Ua like ka loina me ke kanawai o Ohm.
6, Misunderstand of welding structure
ʻO nā ʻano like ʻole o ka ultrasonic molds (Horn), ʻo ke ʻano o ka mea hana e hoʻoholo ai i ke ʻano o ka mold, akā pono e helu pono ʻia ka nui a me ka radian o kēlā me kēia ʻāpana. Manaʻo hewa kekahi poʻe he poloka metala wale nō. Inā kūpono paha ka hoʻolālā ʻana a ʻaʻole pili pono i ka pono, ka lōʻihi o ke ola, ka helu o ka hoʻomaʻamaʻa ʻana o ka huahana, a hoʻopau pololei i ka mīkini hana i nā hihia koʻikoʻi. ʻO ka mea o ka mold he magnesium aluminika 7075, a hoʻohana kekahi poʻe i nā mea haʻahaʻa e hōʻemi i nā kumukūʻai. Loaʻa i nā mea hana mold maʻamau ka hoʻonohonoho ʻana i nā kaʻina nānā koʻikoʻi no nā mea e hiki mai ana, a ua hana ʻia nā ʻāpana i hana ʻia ma hope o ka simulation polokalamu kamepiula a me ka hōʻoia. Paʻa ka maikaʻi. ʻAʻole hiki ke hana ʻia kēia mau kaʻina hana e nā papa hana maʻamau. Me ka ʻole o ka hoʻolālā kūpono, ʻaʻole e loaʻa nā pilikia i ka hopena i ka wā e wili ai i nā mea hana liʻiliʻi. E loaʻa nā pōʻino like ʻole ke hoʻohana ʻia ka mana kiʻekiʻe. I nā hihia koʻikoʻi, e hōʻino pololei i nā mea
