ʻO ka Welding Loss Phenmother o ka Aluminium Shell Die Casting Puna
ʻO ka Welding Loss Phenmother o ka Aluminium Shell Die Casting Puna
He mea nui ka punahelu no ka hana nui ma ka ʻoihana o kēia ao. ʻO ka maʻamau, ʻo nā mea i hoʻohana ʻia no ka hoʻolei make ʻana he aluminika, magnesium, zinc, a me nā mea ʻē aʻe, a ʻoi aku ma mua o 80% nā pūpū alumini make. Ma kahi o 80% o ka alumini alloy shell die-casting e hoʻohana ʻia i ka ʻoihana kaʻa. No laila, hoʻohuli nā ʻenehana ʻenehana o ka ʻoihana kaʻa i ka hana a me ka hopena o nā hopena make. |
I nā makahiki i hala aku nei, me ka hoʻomohala ʻana o ka ʻoihana kaʻa o koʻu ʻāina, ua hoʻonui iki ʻia ke koi no ka hoʻoiho make aluminika-magnesium no nā kaʻa. No laila, e noʻonoʻo ana i ka pālākiō nui, haʻahaʻa, a me ka hana pono ʻana o ka hana make ʻana o ke oka, ʻoiai e hoʻopōkole ana i ka manawa mālama o ka popopo, ka hoʻomohala ʻana a me ka hoʻolauna ʻana o ka wela hou e like me nā mea puna, ka optimization o ka hanana a me ka hana o ka punahelu mea ma o ka hoʻoponopono wela, a me ka hoʻolōʻihi ʻia o ke ola o ka popopo ma ka lāʻau maʻamau ua laha ākea Aia nā mea i ka ke make hana.
ʻO ka manawa hoʻopihapiha o ka lua he 0.1 mau a ʻoi iki paha, a ʻo ka wikiwiki o ke kinikini e hele ana ma ka puka e pili ana iā 40-60m / s, a hiki kekahi i 200m / s. ʻO ka ikaika compressive i ka wā paʻa paʻa mea maʻa mau ma 40 a 120 MPa. Ke make ka hoʻolei ʻana o ka iwi ʻāpana aluminika, e piʻi aʻe ka mahana o ka hana o ka punahelu make i 500 ~ 600. Ke hana nei i nā ʻāpana iwi ʻāpana aluminika liʻiliʻi, ʻo ka manawa o ka hoʻoiho make-casting-solidification ma kahi o 3 ~ 6s, a ʻo nā ʻāpana shell alloy alumini nui ma lalo o 90s.
I ka hoʻomaka o kēlā me kēia pōʻai make-casting, pono e hoʻomehana wikiwiki ʻia ka lua moʻa e ka hoʻoheheʻe wela kiʻekiʻe, a hoʻoulu ʻia ka pilikia wela compressive ma ka pae hana; ma hope o ka hoʻolei make ʻana, kāpīpī ʻia ka lubricant i loko o ka punahelu no ke kinai ʻana, no laila e hoʻoulu ʻia ke koʻikoʻi koʻikoʻi ma ka ʻili. Ma lalo o ka hana o kēia alternating thermal stress, hoʻomāhuahua ka luhi wela i nā papaha o ka punahelu. Me ka hoʻonui ʻana o ka nui o nā pōʻai make ʻana, hoʻomohala wikiwiki nā micro-crack, a hoʻonui ʻia kekahi mau māhele centripetal e hana i mau māwae. ʻO ka hoʻomaʻemaʻe a me ka popopo o ka lua mould e ke gula i hoʻopili ʻia i ka manawa like e pili ana i nā māwae e hōʻino hou i ka ʻilikai o ka puna, a i ka hopena e alakaʻi i nā māwae a me nā ʻōpala o ka puna.
loulou i kēia ʻatikala: ʻO ka Welding Loss Phenmother o ka Aluminium Shell Die Casting Puna
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