
2026-02-25
I ka honua o ka hana pololei, ka haʻahaʻa wiliwili lawe pinepine ia. Eia naʻe, ma ke ʻano he mea e holo ana i kahi hale hana e hana ana i nā mea ʻoki kiʻekiʻe ma Dezhou Drillstar, ʻike wau wiliwili ʻo ia ke koa kaulana ʻole o ka hale hana. Inā ʻoe he mea hoʻolaha waihona waihona ma Chicago a i ʻole he mīkini i loko o kahi mea kanu aerospace ʻenehana kiʻekiʻe, e hoʻomaopopo i ka wili ʻokoʻa He mea koʻikoʻi nā geometries a me nā mea. ʻO ka hewa ʻano o ka drill bit hiki ke hōʻino i kahi mea hana, hōʻino i ka wiliwili mīkini, a hoʻopau wale i ka manawa waiwai.
Hoʻolālā ʻia kēia alakaʻi e hoʻokele i ka ʻāina paʻakikī o ʻano drill bit. Eʻimi mākou i nā mea a pau mai ka wili maʻamau wiliwili i kūikawā ʻoki ʻoki ʻoki. E kūkākūkā kākou mea like ole, mai ka paina palupalu a i ke kila paakiki, a kokua ia oe e hoomaopopo i ke kumu a ʻāpana hoʻoheheʻe cobalt ʻoi aku ka maikaʻi o ke kumukūʻai ma mua o kahi maʻamau HSS drill bit. Ma ka hopena, e ʻike pono ʻoe pehea e hana ai koho i ka wiliwili pono no kēlā me kēia noi, e hōʻoia ana i ka pono a me ka pololei i kēlā me kēia wiliwili hana.
Ke noʻonoʻo ka hapa nui o ka poʻe a wiliwili, ke kiʻi nei lākou i ka wili drill bit. ʻO kēia mau mea ʻO nā bit drill ka mea maʻamau ʻano i loaʻa i loko o kēlā me kēia pahu hāmeʻa, mai kahi mea nona ka hale a i kahi ʻoihana bit set. A wili wiliwili ʻike ʻia e kona mau ʻōheʻe spiral, e holo ana i ka lōʻihi o ka drill bit. He mea pono keia mau ohe; hāpai lākou i nā ʻōpala a me nā ʻōpala mai loko mai o ka lua e like me ka wiliwili wili.
ʻO nā ʻāpana drill wili hana ʻia mai ke kila kiʻekiʻe (HSS). ʻO ka HSS drill bit he maʻalahi a he kumu kūʻai. Eia naʻe, ʻaʻole nā wili a pau ua like nā drill bits. Ka huina o ka kiko bit drill mea pili. ʻO kahi kiko 118-degere maʻamau ka mea maikaʻi no ka lāʻau a me nā metala palupalu, ʻoiai ua hoʻolālā ʻia kahi wahi hoʻokaʻawale 135-degere ʻoi aku ka maikaʻi. wili i ka metala me ka "hele ʻole" a i ʻole ka paheʻe ʻana ma luna o ka ʻili. Mālama kēia i ka pono e wili i ka lua hookele ma mua o ka mea nui wiliwili hana.
No nā noi ʻoihana, neʻe pinepine mākou ma mua o ka HSS maʻamau. Hoʻohana mākou koʻokoʻo carbide paʻa e hana i ka hana kiʻekiʻe wili wiliwili. He carbide wiliwili hāʻawi i ka rigidity kiʻekiʻe a me ka pale wela, hiki iā ʻoe ke wiliwili wikiwiki a lōʻihi. Hoʻolālā ʻia nā bit drill me nā geometries kūikawā no nā mea kiko'ī. Inā ʻoe e hoʻohana ana i kahi wili maʻamau bit ma luna o ke kila paʻakikī a ua puhi, ke hoʻohana nei ʻoe i ka hewa ʻano bit.

Inā ʻoe e hoʻāʻo wiliwili i loko o ka pā pōhaku me ka metala maʻamau wiliwili, e hoʻopau ʻoe i ka bit i kekona. ʻO kēia kahi o ka bit drill masonry hele mai i ka pāʻani. A bit drill masonry hoʻolālā ʻokoʻa. Hōʻike maʻamau ʻo ia i kahi ʻaoʻao carbide ākea me ke ʻano pua i hoʻopaʻa ʻia ma ke kumu kila. ʻO kēia he ʻoki ʻana i ka bit drill mea hana ma ka pulverizing i ka mea ma mua o ka ʻoki ʻana.
Nā ʻāpana pōhaku ʻaneʻane hoʻohana mau ʻia me hammer drills. ʻO ka wiliwili Hāʻawi ka mīkini i kahi hana kuʻi wikiwiki (percussion) i ka wā e wili ai. Hāmama kēia i ka piko o ka carbide i loko o ka pōhaku a i ʻole ke kaʻa, a nahā ia, aʻo nā ʻohe e wehe i ka lepo. Ina oe e hoʻohana i ka wili pōhaku i ka rotary maʻamau wiliwili me ka ʻole o ka hāmare, e lohi loa ka holomua.
Ma Drillstar, maopopo iā mākou he mea koʻikoʻi ka maikaʻi brazing o ka piko carbide. Inā hāʻule ka paʻa, hemo ka piko, a me ka wiliwili mea ole. wili ʻokoʻa hoʻohana nā mea hana i nā māka like ʻole o ka carbide. No ka hana oihana, a bit drill masonry pono e pale i ka wela a me ka hopena. Inā pono ʻoe lua lua no nā heleuma a i ʻole ke kahawai holo ma ka pā, ka bit drill masonry ʻo ia wale nō iki e hoʻohana.
Ua ho'āʻo paha ʻoe wili i ka lau metala me ka wili nui wiliwili? Hopu pinepine ia i ka metala, wili i ka pepa me ka weliweli, a i ʻole waiho i kahi lua ʻino. ʻO ka hoʻonā ka ʻanuʻu ʻuʻuku. ʻO nā ʻāpana drill step e like me ka cone me nā alapiʻi i hoʻopaʻa ʻia i ka ʻaoʻao. ʻO kēia mau mea He ʻano cone ko nā bit drill profile hiki iā ʻoe ke wiliwili nā puka o nā ʻano nui me ka bit hoʻokahi.
ʻO nā ʻāpana drill step he poe noonoo pono. Hiki iā ʻoe ke hoʻomaka i kahi puka a laila kaomi i ka wiliwili hohonu e hoʻonui i ka nui "step" aʻe. He maikaʻi lākou no ka hana uila ma kahi āu e pono ai wiliwili knockouts ma nā panela. ʻO kekahi o nā pōmaikaʻi nui ʻo ia ka hoʻopau ʻana i ka lua i ko lākou ʻoki ʻana. E like me ka wiliwili hele i ka ʻanuʻu aʻe, hoʻololi ka hoʻololi ʻokiʻoki i ka lihi o ka nui o ka lua mua.
ʻO kēia mau mea hana ʻia nā ʻāpana mai HSS a i ʻole Cobalt. Ma muli o ka hoʻokomo ʻana i nā mea he nui, he mea hopohopo ke kūkulu ʻana i ka wela. He mea koʻikoʻi ka hoʻohana ʻana i ka wai ʻoki i ka wā ʻoe wili i ka metala me kahi kapuai wiliwili. ʻO lākou ʻae iā ʻoe e wili maʻemaʻe, poepoe puka i loko o nā mea lahilahi kahi e wili ai wiliwili e haehae i ka metala.

ʻOiai hiki iā ʻoe ke hoʻohana i kahi wili wiliwili ma luna o ka lāʻau, kikoʻī wili laau hāʻawi i kahi hoʻopau maʻemaʻe. ʻO ka bit Brad Point ka mea maʻamau. ʻAʻole like me ka piko kihi o kahi metala wiliwili, He koʻi waena ko kahi Brad Point. ʻO ʻoe hoʻonoho i ka bit pololei kahi āu e makemake ai i ka lua, a me ka spur heleuma i ka wiliwili ma mua o ke komo ʻana o nā ʻoki. Kāohi kēia i ka wiliwili mai ka auwana a oki i ka poai maemae.
No na lua hohonu, auger drill bits ʻo ia ka maʻamau. He auger drill bit loaʻa i ka piko wili ma mua loa. Ke hoʻomaka ʻoe i ka wiliwili, huki keia wili i ka bit iloko o ka laau. ʻAʻole pono ʻoe e hoʻoikaika ikaika; ka wiliwili hana i ka hana. ʻO kēia mau mea hiki no hoi i na bits Loaʻa i nā ʻohe ākea a hohonu e hoʻomaʻemaʻe i ka nui o nā ʻāpana i hana ʻia i kou wā wili hohonu i ka laau kaumaha.
Nā ʻāpana wili no ka lāʻau ua hoʻolālā ʻia e ʻoki maʻemaʻe i nā wili lāʻau. Inā ʻoe e hoʻohana i ka metala ʻūlū wiliwili, uhae ia i ke kaula, e waiho ana i ka puka komo a puka waho. Auger drill bits a me nā bits Brad Point e hōʻoia i ka "hōʻeha komo" o ka wiliwili ʻoʻoleʻa a ʻoihana.
I kekahi manawa pono ʻoe wili lua ʻo ia ka nui o ke anawaena akā ʻaʻole pono ka hohonu. ʻO nā ʻāpana drill spade, i ʻike ʻia ʻo nā ʻāpana drill flat, ʻo ia nā koho waiwai. A ʻōpana ʻōpae he ʻāpana kila pālahalaha me kahi kiko waena a me nā ʻēheu ʻoki ʻelua. He wikiwiki a hoʻopaʻapaʻa lākou. Hoʻolei lākou i nā ʻāpana he nui a kūpono no ka hana ʻino, e like me ka wili ʻana i nā studs no ka wili. Eia naʻe, ʻo ka puka puka mai a ʻōpana ʻōpae hiki ke mamala.
No ka hana lāʻau maikaʻi, ʻo ia hoʻi ka hana ʻana i ke keʻena, Forstner drill bits ʻo nā koho maikaʻi loa. A Forstner drill bit alakaʻi ʻia e ka rim, ʻaʻole ke kiko waena wale nō. ʻAe kēia iā ʻoe e wiliwili ʻāwili lua a i ʻole wiliwili ma kahi kihi. ʻO ka mea nui loa, Forstner drill bits waiho i kahi puka palahalaha loa. He mea nui kēia no ka hoʻokomo ʻana i nā ʻeke keʻena kaila ʻEulopa.
ʻOiai nā ʻōpala hoʻoheheʻe spade e pili ana i ka wikiwiki, Forstner drill bits e pili ana i ka pololei. Hoʻohana maʻamau ʻoe i nā bits Forstner i loko mīkini paʻi wili e hoomalu pono i ka hohonu a me ke kihi. Hāʻawi lākou i ka hakakā nui, pēlā ʻoe pinepine pono e huki i ka bit hoʻi e hoʻoluʻu a hoʻomaʻemaʻe i nā ʻāpana i ka wā o ka wiliwili kaʻina hana.
ʻO ka ʻeli ʻana i loko o ke aniani a i ʻole ka tile keramika he mea weliweli no a mea hoʻomaka. Hoʻokahi neʻe hewa a haki ka mea hana. He kūlana bit drill masonry he hoʻomāinoino loa. Pono ʻoe i kahi loea puka aniani a i ʻole kile drill bit.
ʻO ka hoʻolālā maʻamau ʻo ka maka ihe kile drill bit. Ua like ia me kahi ʻōpae liʻiliʻi i hana ʻia me ka carbide. Hoʻopau ʻo ia i ka mea ma mua o ka ʻoki ʻana. No ka porcelain paʻakikī a i ʻole aniani mānoanoa, a drill tile daimana koi ʻia. ʻO kēia mau mea nā bits drill lepo daimana ʻoihana i hoʻokomo ʻia ma ka piko. Hoʻopili lākou i ka mea.
I ka hoʻohana ʻana i kahi puka aniani, He enemi ka wela. Pono ʻoe e hoʻohana i ka wai e mālama ai bit a maalili ke aniani. Inā wela loa ke aniani, pohā ia mai ka ha'alulu wela. Eia kekahi, ʻo ka wikiwiki haʻahaʻa ke kī. Kiʻekiʻe-wikiwiki wiliwili e puhi wale ka rotation i ka bit. Ua kūpono nā ʻāpana drill me ka maʻamau wiliwili chucks, akā pono ka ʻenehana i ke ahonui. ʻO ʻoe hoʻonoho i ka bit, e hoʻopili i ke kaomi māmā, a na ke daimana e hana.
I ka hui ʻana, makemake pinepine ʻoe i ke poʻo wili e noho paʻa a ma lalo paha o ka ʻili o ka lāʻau. Countersink drill bits ua hoʻolālā ʻia e hana i ʻelua mau hana i ka manawa hoʻokahi: lākou e wili i ka lua hookele no ka wiliwili a hana i kahi hoʻokuʻu conical no ke poʻo wili. Mālama kēia i ka holo pololei ʻana o ka wili a ʻaʻole e wāwahi i ka lāʻau.
A wili countersink ʻo ka mea maʻamau ka wili maʻamau wiliwili i loko o kahi ʻokiʻoki conical. Hiki iā ʻoe ke hoʻololi i ka hohonu o ka wiliwili e hoʻohālikelike i ka lōʻihi o ka wili.
Inā makemake ʻoe e hūnā pono i ka wili, e hoʻohana ʻoe i a wili ʻoki ʻoki. A wili ʻoki ʻoki ʻaʻole e wili i ka lua; ʻoki ʻo ia i kahi pahu lāʻau liʻiliʻi (a plug) mai kahi ʻāpana lāʻau. Hoʻopili ʻoe i kēia plug i loko o ka lua ma luna o ke poʻo wili. Ke kūlike ka ʻai, ʻike ʻole ʻia ka wili. Countersink drill bits a ʻo nā mea ʻoki plug he mau hoaaloha maikaʻi loa ia i ka hana ʻana i nā lako.
Ke makemake ʻoe i puka ʻoi aku ka nui ma mua o hoʻokahi ʻīniha a ʻelua paha - e ʻōlelo, no ka laka puka a i ʻole ka puka maloʻo - he wili maʻamau wiliwili a i ʻole he ʻōpae wiliwili he mea hiki ole. E komo i ka wili lua. A wili lua ʻO ke ʻano ʻenehana he ʻili ʻili i hoʻopaʻa ʻia i kahi pailaka waena wiliwili.
ʻO ka pilote wiliwili heleuma i ka pahi, a oki ke apo i ke anapuni. No ka mea, ke ʻoki wale nei ʻoe i ka ʻaoʻao a ʻaʻole e hoʻohuli i ka leo holoʻokoʻa o nā mea i loko o nā ʻāpana, a wili lua hiki ke ʻoki i nā puka nui loa me ka mana haʻahaʻa. Eia naʻe, i ka manawa āu wili laau a i ʻole metala, waiho ʻia ʻoe me kahi "core" paʻa a i ʻole ke plug i loko o ke kīʻaha o ka ʻike. ʻO ʻoe pono e huki i ka bit i waho a wehe i kēia kumu.
wili lua hiki mai nā bits i nā mea like ʻole. He mea maikaʻi nā ʻili lua bi-metal no ka metala a me ka lāʻau me nā kui. Hoʻohana ʻia nā ʻili lua i kālai ʻia ʻo Carbide no ka fiberglass a me nā mea abrasive. He ʻāpana koʻikoʻi lākou o kēlā me kēia hoʻonohonoho ʻia ʻo drill bit no ka poe aelike nui.
ʻO ka ʻano o ka drill bit He mea koʻikoʻi ka geometry, akā ʻo ka mea i ka bit hana ʻia he like koʻikoʻi. Ma keʻano he mea hana, hana mākou me ʻO nā Superalloy i hana ʻia ma muli o Nickel a me nā mea paʻakikī ʻē aʻe, no laila ʻike mākou ʻaʻole e ʻoki ʻia ke kila maʻamau.
I kou manawa wili i ka metala, hoopau ka wela i ka huhu o ka drill bit. Mālama ka Cobalt a me ka carbide i ko lākou paʻakikī i nā wela kiʻekiʻe, ʻo ia ke kumu wiliwili no ka metala ma nā ʻoihana ʻoihana ʻaʻole ka HSS maʻamau.

Ke hele nei i loko o kahi hale kūʻai lako, e ʻike ʻoe i ka lālani ma hope o ka lālani wili bit sets. Pehea ʻoe e koho ai? A hoʻonohonoho ʻia ʻo drill bit he hoʻokomo kālā.
ʻO ka wiliwili he mea paahana pau ole, aka, ina oe e hoopili ia me ka pololei drill bit. Eia kahi recap wikiwiki e hōʻoia e hopu mau ʻoe i ka bit drill akau:
Inā ʻoe e ʻimi nei ʻO nā wili karbida no ka mīkini CNC a i ʻole pono e kau i kahi kiʻi kiʻi, hoʻomaopopo ʻano drill bit hāʻawi iā ʻoe i ka hana akamai. ʻO ka wiliwili ʻo ka ʻenekini wale nō; ka ʻO ka bit he mea hana ʻoki ʻo ia ka hana maoli. E mālama me ka mahalo, e koho naʻauao, a pololei kou mau lua, maʻemaʻe, a ʻoiaʻiʻo i kēlā me kēia manawa.