He aha nā mea hana nui no ka mīkini?

ʻO ka mea mua, hiki ke hoʻokaʻawale ʻia ka mea hana i ʻelima mau ʻāpana e like me ke ʻano o ka papa hana hana.

1. ʻO ka mīkini ʻana i nā ʻano mea hana ma waho, me nā mea hana hoʻohuli, nā pahi hoʻolālā, nā mea ʻoki wili, nā broach ma waho a me ka faila;

2. Nā mea hana hole, me ka drill, reaming drill, boring cutter, reamer and internal surface broach, etc.;

3. Mea paahana hana milo, me ka paipu, make, oki po'o oki milo, mea paahana hoohuli a me ka mea wili milo;

4. Nā mea hana hoʻoheheʻe ʻana, e like me ka hob, ka mea ʻoki ʻokiʻoki, ka ʻoki ʻoki ʻoki, ka mea hoʻoheheʻe bevel gear, etc.;

5. ʻO nā mea hana ʻoki ʻoki, e komo pū ana me ka ʻili pōʻai pōʻai, ʻike band, ʻike kakaka, ʻoki ʻoki a me nā mea ʻoki wili wili, a me nā mea ʻē aʻe.

ʻO ka lua, e like me ke ʻano o ka ʻoki ʻana a me ke ʻano o ka lau e pili ana, hiki ke hoʻokaʻawale ʻia ka mea hana i ʻekolu mau ʻāpana:

1. Nā mea hana maʻamau, e like me nā mea hana hoʻohuli, nā mea hana hoʻolālā, nā mea hana wili (koe naʻe ka hana ʻana i nā mea hoʻohuli, ka hana ʻana i nā mea hana hoʻolālā a me ka hana ʻana i nā mea hana wili), nā mea hana ʻoluʻolu, nā puʻupuʻu, nā reaming drills, reamers and saws, etc.;

2. Mea hana hana, ka ʻoki ʻoki o kēia ʻano mea hana like a kokoke paha i ke ʻano like me ka ʻāpana o ka mea hana i hana ʻia, e like me ka hana ʻana i ka mea hoʻohuli, hana ʻana i ka mea hana hoʻolālā, hana ʻana i ka mea ʻoki milling, broach, taper reamer a nā mea hana hana milo like ʻole;

3. ʻO ka mea hana hoʻomohala e hoʻohana i ke ʻano hoʻomohala e hoʻoponopono i ka ʻili niho o ka mea hana a i ʻole nā ​​​​mea hana like, e like me ka hob, ka mea hana mea hana, ka pahi kahiki, ka mea hoʻolālā bevel a me ka mea ʻoki milling bevel.

ʻO ke kolu, hoʻokaʻawale ʻia nā mea paahana i nā ʻāpana aʻe: ke kila kiʻekiʻe, ka carbide cemented, cermet, ceramics, polycrystalline cubic boron nitride a me polycrystalline diamond.