ʻO ka mua, hana ʻia nā māwae welding a me nā pores.
ʻO ka wai i hoʻopaʻa ʻia e ke koʻokoʻo welding e lilo i kinoea ma lalo o ka hana o ka wela arc welding, e hoʻoheheʻe ana i ka hydrogen, ka hopena i ka hoʻokumu ʻana i nā māwae a me nā pores.He ʻoiaʻiʻo kēia no nā electrodes alkaline.Hoʻopaʻa ʻia ke koʻokoʻo kuʻi me kahi ʻeke plastik polyethylene i ka wā i hoʻopaʻa ʻia ai, a ʻaʻole hiki ke hōʻoiaʻiʻo i ka hoʻomaʻamaʻa piha lōʻihi.
ʻO ka lua, He haʻahaʻa nā ʻano kuhikuhi o nā waiwai mechanical.
Tianqiao wiliwili
ʻO kahi ala maʻalahi e nānā i ke kūlana pulu o ke koʻokoʻo welding ma ka pūnaewele:
(1) E nānā i ka hōʻailona o ke koʻokoʻo wili.Inā pōʻino ka ʻeke, pono e hoʻopaʻa koʻikoʻi ke koʻokoʻo welding i ka makū.
(2) E kau i kekahi mau lāʻau wiliwili i loko o kou mau lima a ʻōwili iā lākou, a nalowale ka leo metala maʻemaʻe o nā lāʻau wili ma hope o ka lawe ʻana i ka wai.
(3) E lawe i ke koʻokoʻo kuʻi a kūlou iki ma 10-15 degere.Inā loaʻa ka leo māhā i ka wā e kulou ai, ʻo ia hoʻi, ua maloʻo ke koʻokoʻo kuʻi.
(4) E lawe i ke koʻokoʻo wiliwili i ka honua a nānā i kona ikaika bounce.ʻOi aku ka maikaʻi o ka paʻa ʻana o ke koʻokoʻo maloʻo a ʻoi aku ke kiʻekiʻe.
(5) Hoʻohui i ka electrode i ke kaapuni welding a me ka pōkole pōkole no kekahi mau kekona.Inā ʻike ʻia ka mahu wai ma ka ʻili o ka uhi, he electrode maloʻo ʻole ia.
(6) E lawe i kahi koʻokoʻo wili no ka hoʻāʻo ʻana pololei.Inā he koʻokoʻo hoʻoheheʻe wai, e poha a hāʻule paha ka uhi i loko o nā poloka i ka wā o ke kaʻina hana kuʻi, a hoʻohua hou i ka mahu wai.
(7) E nānā i ka ʻili o ka hopena o ke kumu wili e ʻike inā he ʻōpala;Hiki iā ʻoe ke kīkēkē i ka uhi ʻana a nānā pololei inā ua ʻōpala ke kumu wili.
(8) E nānā i ka wā o ka hana kuʻi ʻana, e loaʻa i ke kaʻina hana o ka electrode damp nā hoʻololi aʻe:
●Ma ka waiwai like o kēia manawa, ʻoi aʻe ka ikaika o ka puhi ʻana i ke arc a piʻi ka hohonu o ke komo ʻana;
● Hoʻonui ka nui o nā ʻōpala a nui aʻe nā ʻāpana;
● No nā electrodes acid, ʻilihune ka uhi ʻana o ka slag, a ʻilihune ke ʻano weld;
● No ka haʻahaʻa-hydrogen type electrodes, he nui nā puka liʻiliʻi ma ka ʻili o loko o ka slag (ka ʻaoʻao e pili ana me ka weld).
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Ka manawa hoʻouna: Jul-01-2021