Pehea e ʻike ai i ka maikaʻi o ka welding ma nā mīkini welding butt?

ʻO ka hōʻoia ʻana i ka maikaʻi o ka welding ka mea nui i nā mīkini wili puʻupuʻu e hōʻoia i ka pono a me ka hilinaʻi o nā hui welded. Pono nā ala ʻike kūpono no ka ʻike ʻana i nā hemahema a me nā haʻihaʻi e hiki ke hoʻololi i ka hana weld. Ke ʻimi nei kēia ʻatikala i nā ʻenehana i hoʻohana ʻia no ka ʻike ʻana i ka maikaʻi o ka welding i nā mīkini welding butt, e hōʻike ana i ko lākou koʻikoʻi i ka mālama ʻana i nā kūlana kiʻekiʻe o ka pono weld.

1. Nānā Kiʻi: ʻO ka nānā ʻike ʻana ke ala maʻalahi loa a me ke ala mua e ʻike ai i ka maikaʻi wili. Nānā maikaʻi nā mea wiliwili a me nā mea nānā i ke ʻano o ka weld bead, e ʻimi ana i nā hemahema ʻike ʻia e like me nā māwae, porosity, hoʻohui piha ʻole, a i ʻole nā ​​hewa i ka ʻaoʻao o ka bead.
2. Penetrant Testing (PT): Penetrant testing is a non-destructive testing (NDT) method e pili ana i ka hoʻopili ʻana i ka wai penetrant i ka weld surface. Ma hope o kahi manawa e noho ai, hoʻoneʻe ʻia ka penetrant keu, a hoʻohana ʻia kahi mea hoʻomohala e huki i kahi penetrant i paʻa i nā hemahema o ka ʻili. Hiki i kēia ʻano hana ke ʻike i nā māwae ili maikaʻi a me nā hemahema i ʻike ʻole ʻia e ka maka.
3. ʻO ka hoʻāʻo ʻana i ka mākēneki mākēneki (MT): ʻO ka hoʻāʻo ʻana i ka ʻāpana mākēneki kekahi ʻano hana NDT i hoʻohana ʻia no ka ʻike ʻana i nā hemahema o ka ʻili a me ka ʻili. Hoʻopili ʻia ka ʻili weld, a ua hoʻohana ʻia nā ʻāpana magnetic. Ke loaʻa nā hemahema, hōʻiliʻili nā ʻāpana magnetic a hana i nā hōʻailona ʻike ʻia, e ʻae ana i nā mea nānā ke nānā i ka maikaʻi o ka weld.
4. Ultrasonic Testing (UT): Ultrasonic testing is a volumetric NDT method e hoʻohana ana i nā hawewe kani kiʻekiʻe e nānā i nā welds. Hoʻouna ʻia nā hawewe kani ultrasonic i loko o ka weld, a ʻo nā hemahema o loko a i ʻole nā ​​​​discontinuities e hōʻike i nā nalu i kahi mea hoʻokipa. He mea maikaʻi kēia ʻano no ka ʻike ʻana i nā hemahema o loko a me ka loiloi ʻana i ke kani weld.
5. Ho'āʻo Radiographic (RT): ʻO ka hoʻāʻo radiographic e pili ana i ka hele ʻana i nā kukui X a i ʻole nā ​​​​kukui gamma ma o ka weld a me ka hoʻopaʻa ʻana i ka radiation i hoʻouna ʻia ma ke kiʻiʻoniʻoni a i ʻole nā ​​​​mea ʻike kikohoʻe. Hiki i kēia ʻano ke ʻike i nā hemahema o loko e like me nā voids, inclusions, a me ka nele o ka hui ʻana, e hāʻawi ana i ka ʻike kikoʻī e pili ana i ke ʻano o loko o ka weld.
6. ʻO ka hoʻāʻo ʻana: ʻo ka hoʻāʻo ʻana i ka tensile e pili ana i ka hoʻokomo ʻana i kahi laʻana weld i kahi ikaika tensile i hoʻomalu ʻia a hiki i ka haki ʻana. Kōkua kēia hoʻāʻo i ka loiloi ʻana i nā waiwai mechanical o ka weld, e like me ka ikaika tensile hope a me ka elongation, a hāʻawi i nā ʻike i ka ikaika holoʻokoʻa o ka weld a me ka hana.
7. Ka Ho'āʻo Bend: Hoʻohana ʻia ka hoʻāʻo ʻana e loiloi i ka ductility a me ke kani o nā welds. Hoʻopili ʻia kahi ʻāpana o ka weld i kahi radius kikoʻī e ʻike ai inā ʻike ʻia nā māwae a i ʻole nā ​​hemahema ma ka ʻili o waho. He mea pono kēia ho'āʻo no ka ʻike ʻana i nā hemahema o nā welds i ʻike ʻole ʻia mai ka nānā ʻana.

I ka hopena, he mea koʻikoʻi ka ʻike ʻana i ka maikaʻi o ka welding i nā mīkini welding butt no ka hōʻoia ʻana i nā hui welded hilinaʻi a kiʻekiʻe. Hāʻawi ka nānā ʻana i kahi loiloi mua, ʻoiai nā ʻano hana hoʻāʻo ʻole luku e like me PT, MT, UT, a me RT e hāʻawi i nā ʻike hohonu hou aku i ka pono weld. Hāʻawi ka hoʻāʻo tensile a me ka hoʻāʻo ʻana i ka ʻike waiwai e pili ana i nā waiwai mechanical a me ka ductility o ka weld. Ma ka hoʻohana ʻana i kēia mau ʻenehana ʻike, hiki i nā mea hana welding a me nā mea nānā ke hoʻopaʻa i nā kūlana koʻikoʻi, ʻike i nā hemahema, a hoʻoholo i ka hoʻoholo ʻana e hoʻoponopono i nā pilikia, e hōʻoiaʻiʻo ana i ka hana wiliwili kūpaʻa a hilinaʻi i nā noi like ʻole.