ʻO nā ʻano hana hoʻoheheʻe like ʻole o ke kinoea shielded welding
1. kuʻi ʻana i luna
He mea koʻikoʻi ke kūlana o ka lama kuʻihao i ka wā e kuʻi pololei ai, a ʻo ka lama kuʻi e pili pono i ka mea hana. I ka wā wili laina pololei, he convex ka weld bead, a ʻilihune a maʻalahi hoʻi ke ʻoki ʻia ke ʻano o ka weld bead.
Inā makemake ʻia kahi wāwae wili nui, pono e hoʻohana ʻia ke ʻano koʻi puʻupuʻu e neʻe wikiwiki i waenakonu o ka peʻa weld a noho liʻiliʻi ma nā ʻaoʻao ʻelua e pale i ka undercut. Eia nō naʻe, pono e mālama ʻia ʻaʻole e hoʻohana i kahi kowali crescent curved downwardly.
2. kuʻi kuʻi ʻana i lalo
Nā kumu o ka porosity i ke kinoea pale pale kuʻi
- kinoea pale kino
1. ʻAʻole maikaʻi ka maikaʻi o ke kinoea i loko o ka pahu kinoea, a ʻaʻole i ʻoi aku ka maʻemaʻe ma mua o 98%. Loaʻa iā ia nā kinoea ʻino e like me ka nitrogen, ka mea e hoʻoulu ai i nā pores ma hope o ke kuʻi ʻana.
2. ʻAʻole paʻa ka paipu kinoea mai ka pahu kinoea a i ka lama kuʻi, a lawe ʻia ka ea e hana i nā pores.
3. Hoʻoulu ka ʻea i ka stomata
a. Hoʻopilikia ka makani i loko o ke kaiapuni waho i ka ea pale a puni ka wai hoʻoheheʻe
b. Ke kahe kinoea haʻahaʻa a i ʻole ka splatter e pani ana i ka nozzle
c. ʻOi aku ka nui o ke kihi o ka lama wiliwili a i ʻole ka mamao loa o ka lama kuʻi mai ka mea hana
d. Ua pōʻino ke apo alakaʻi ceramic shunt kinoea o ka nozzle lama a ʻaʻole i wehe ʻia a pani ʻia
4. Welding machine control air valve wehe lag, pani koke, a i ole ma ka ilihune pili intermittently
- Nā hemahema i ka uwea wiliwili a me ka metala kumu pono'ī
- Nā palena wiliwili kūpono ʻole
- Manaʻo hoʻonā
Ka manawa hoʻouna: Nov-01-2022