JD25A Pohaku Pahu Pohaku DTH Hammer

ʻO ka "DTH" ka pōkole o "Down The Hole"".

ʻO kahi pahu hoʻoheheʻe rotation, ka mea hoʻoheheʻe ea a me ka "DTH drill string" ka mea pono no ka DTH drilling aʻo ka "DTH drill".

string” i hana mau ia me DTH drill rods, DTH hammer a me DTH bits.Ma ke ʻano he mea nui, hana ka hāmare DTH ma ke ʻano he hana o ka hoʻohuli ʻana i ke kaomi ea i ka ikehu hopena, me ka hoʻololi ʻana i ka ikehu hopena a me ka ikaika rotation i nā bits DTH.

ʻO ka hāmare DTH he mea ia o nā mea hana hoʻoheheʻe DTH a no ka mea hana o nā mea hana wili DTH.Hoʻokaʻawale ʻia ka hāmare DTH i ka hammer haʻahaʻa haʻahaʻa DTH hammer, hammer hammer DTH hammer a me DTH hammer kiʻekiʻe.，ka mea i hoʻohana ʻia no ka hoʻoheheʻe ʻana i ka lua a me ka hana ʻana i ka wai punawai, mine drilling etc..

Hammer DTH Paʻi Ea Kiʻekiʻe (me ka valve wāwae)

He ʻano valveless high air pressure DTH hammer me ka valve foot.

Maikaʻi ka paʻa, ʻaʻohe wai a me nā ʻokiʻoki i komo i ka hāmare i loko o ka wai aia ka wili.