Aia kekahi mau ʻano laulā o nā mea hana wili hope a me ke alo, e like me ka ʻoki waena a me ka ʻoki ʻole waena (inā hiki i ka wili ke lawe i nā ʻoki plunging); a me ka hoʻokaʻawale ʻana e ka helu o nā ʻohe; e ke kihi helix; e ka mea; a e ka mea uhi. Hiki ke puʻunaue hou ʻia kēlā me kēia ʻano e ka hoʻohana kikoʻī a me ke ʻano kūikawā.
ʻO kahi kihi helix kaulana loa, ʻoi aku hoʻi no ka ʻoki ʻana i nā mea metala, he 30°. No ka hoʻopau ʻananā wili hopena, he mea maʻamau ke ʻike ʻana i ka ʻōwili paʻa, me nā kihi helix 45° a i ʻole 60°.Nā wili hopena ʻohe pololei(helix angle 0°) i hoʻohana ʻia i nā noi kūikawā, e like me nā plastics wili a i ʻole nā composites o epoxy a me ke aniani. Ua hoʻohana pū ʻia nā wili hopena flute pololei no ka ʻoki ʻana i ka metala ma mua o ka hana ʻia ʻana o ka wili hopena flute helical e Carl A. Bergstrom o Weldon Tool Company i ka makahiki 1918.
Aia nā wili hopena me ka helix flute loli a i ʻole ke kihi helix pseudo-random, a me nā geometries flute discontinuous, e kōkua i ka wāwahi ʻana i nā mea i nā ʻāpana liʻiliʻi i ka wā e ʻoki ana (hoʻomaikaʻi i ka hoʻoneʻe ʻana o nā chip a me ka hōʻemi ʻana i ka pilikia o ka jamming) a hōʻemi i ka hoʻopili ʻana o ka mea hana ma nā ʻoki nui. Hoʻokomo pū kekahi mau hoʻolālā hou i nā hiʻohiʻona liʻiliʻi e like me ke kihi chamfer a me ka chipbreaker. ʻOiai ʻoi aku ke kumukūʻai, ma muli o ka hoʻolālā paʻakikī a me ke kaʻina hana, ʻo ia hoʻinā wili hopenahiki ke lōʻihi ma muli o ka emi ʻana o ke komo ʻana a hoʻomaikaʻi i ka huahana i lokomīkini wikiwiki kiʻekiʻenā noi (HSM).
Ke lilo nei i mea maʻamau no nā wili paʻa paʻa kuʻuna e pani ʻia e nā wili i hoʻokomo ʻia me ke kumukūʻai kūpono.nā mea hana ʻoki(ʻoiai ʻoi aku ke kumukūʻai i ka wā mua, e hōʻemi ana i nā manawa hoʻololi mea hana a ʻae i ka hoʻololi maʻalahi ʻana i nā ʻaoʻao ʻoki i ʻaʻahu ʻia a haki paha ma mua o ka mea hana holoʻokoʻa).
Kūʻai ʻia nā wili hope ma nā anawaena ʻelua o ka imperial a me ka metric shank a me ke anawaena ʻoki. Ma ʻAmelika Hui Pū ʻIa, loaʻa koke ka metric, akā hoʻohana wale ʻia ia ma kekahi mau hale hana mīkini a ʻaʻole ma nā mea ʻē aʻe; ma Kanada, ma muli o ka kokoke ʻana o ka ʻāina i ʻAmelika Hui Pū ʻIa, ʻoiaʻiʻo nō hoʻi. Ma ʻAsia a me ʻEulopa, he maʻamau nā anawaena metric.
Ka manawa hoʻouna: ʻAukake-04-2022
