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He aha ke ʻano o ka pololei e hiki ke hoʻokō ʻia e nā ʻāpana huli CNC?

Holoi ka mea hana a neʻe ka mea hoʻohuli i ka laina pololei a i ʻole ka pihi ma ka mokulele. Hoʻohana maʻamau ka hoʻohuli ʻana i ka lathe e hana i ka ʻili cylindrical i loko a me waho, ka maka hope, ka ʻili conical, ka ʻili a me ka pae o ka mea hana.
Ka pololei noʻāpana huli ʻo CNCʻO IT8 ~ IT7 maʻamau, a ʻo ka roughness ʻili he 1.6 ~ 0.8μm.
1) Hoʻohana ʻia ka hohonu ʻoki nui a me ka hānai nui e hoʻomaikaʻi i ka hoʻololi ʻana me ka ʻole o ka hoʻohaʻahaʻa ʻana i ka wikiwiki o ka ʻoki ʻana, akā hiki i ka pololei machining ke hiki i IT11 wale nō a ʻo ka ʻili o ka ʻili he Rα20 ~ 10μm.
2) Hoʻohana ʻia ka wikiwiki kiʻekiʻe a me ka meaʻai liʻiliʻi a me ka ʻoki ʻana i ka hohonu no ka semi-finishing a me ka hoʻopau ʻana, me ka pololei o ka mīkini a hiki i IT10 ~ IT7 a me ka roughness ʻili o Rα10 ~ 0.16μm.
3) Kiʻekiʻe-wikiwikipololei CNC huli ʻāpanaʻO nā ʻāpana metala nonferrous me nā mea hana hoʻohuli daimana me ka wili maikaʻi ʻana i nā lathes precision kiʻekiʻe hiki ke hoʻokō i ka pololei machining o IT7 ~ IT5 a me ka roughness ʻili o Rα0.04 ~ 0.01μm.Kapa ʻia kēia ʻano huli ʻana he "mirror turnning".