Nsonsonoe a ɛda nhwene nketewa ne nhwene ntam no da adi titiriw wɔ nneɛma a edidi so yi mu:
1. Nkyerɛase ne Mfiase
Nhwene nketewa yɛ abɔde mu ahwehwɛ bi, nsu pa mu ahwehwɛ a enni nhwiren anaasɛ nhwiren ketewaa bi na ɛwɔ mu. Wɔtoo wɔn din esiane wɔn kɛse ketewa (a ɛtaa nnu mm 6) ne wɔn nsusuwii a ɛte sɛ aburow aba nti. Nhwehwɛ, wɔ nteaseɛ a ɛtrɛ mu no, ka nkyene nsuo ne nsuo pa mu nhweneɛ nyinaa ho, a wɔayɛ no abɔdeɛ mu na wɔayɛ no amammerɛ, na ɛwɔ akɛseɛ ahodoɔ, a nhwehwɛ a wɔtaa yɛ kurukuruwa, ɛbɛn-kurukuruwa, ne ne nsɛsoɔ a ɛntene ka ho.
2. Nsusuwii ne Ne Kɛse
Nhwene nketewa dodow no ara yɛ oval anaa oblate, na ne nsusuwii nyɛ pɛpɛɛpɛ kɛse, na mpɛn pii no ne kɛse fi 1 kosi 6mm. Nhwehwɛ a ɛyɛ mpapahwekwa titiriw yɛ kurukuruwa a edi mũ (te sɛ nkokoaa nhwehwɛ) na ɛtaa yɛ kɛse sen 6mm. Nkyene nsuo ahwehwɛ agye din titire sɛ ɛyɛ kurukuruwa, na nhweneɛ bi a ɛkorɔn-a ne kɛseɛ boro 10mm.
3. Kuadwuma Kyinhyia ne Aba
Nhwene nketewa yɛ nketewa wɔ ne kɛse mu, wɔn dua bere tiaa (mfe 1-2), na ɛsow aba kɛse, na akutu biako na ɛma nhwene du du pii. Nhwene a ɛyɛ mpapahwekwa (titiriw nkyene nsu mu nhwene) wɔ kuayɛ kyinhyia tenten (mfe 4-6), asiane kɛse wom, na nnɔbae sua. Sɛ nhwɛso no, ɛsɛ sɛ wɔde nsa paw nkokoaa nhwene ma ɛne ne kɛse ne kurukuruwa hyia, na ɛma wɔbɔ ka kɛse.
4. Botae ne Nea Wɔde Di Dwuma
Mini pearls yɛ nea ne bo yɛ den kakra, ɛfata sɛ wɔhyɛ da biara da na wɔde hyehyɛ mu, na ɛtaa yɛ nea ɛyɛ ahomegye na ɛyɛ nea aba so. Nhwiren a wɔtaa de di dwuma (te sɛ nhwene a wɔde yɛ nkokoaa ne nkyene nsu mu nhwehwɛ) bo yɛ den esiane sɛ ɛyɛ kurukuruwa na ɛhyerɛn kɛse, ne sɛnea ɛho yɛ na nti. Wɔtaa de di dwuma wɔ agude a ɛkorɔn-end nhyehyɛe mu.
5. Nneɛma a Wɔde Di Dwuma ne Nneɛma a Ɛyɛ Paara
Esiane sɛ wɔn kɛse sua nti, mini pearls hwehwɛ sɛ wɔyɛ drilling precision a ɛkorɔn yiye bere a wɔreyɛ ho adwuma (ɛsɛ sɛ wɔhwɛ mfomso so wɔ 0.01mm mu), na ɛde scrap rate a ɛkorɔn ba. Ɛnyɛ den koraa sɛ wɔbɛyɛ nhwene a wɔtaa de di dwuma, nanso ɛhwehwɛ sɛ wɔde gyinapɛn ahorow a emu yɛ den ma sɛnea ɛhyerɛn, ɛyɛ kurukuruwa, ne sintɔ ahorow.
