Tej yam yuav laum qeeb mentshis thiab tej yam yuav relies rau lub chaw ua hauj lwm. Ib feem heev me ntsis, tab sis 40,000 zaug ib feeb zaus yeej tsim ib tug quab yuam nruam. Yuav siv tau rau tej pob zeb los ua vaj tse. Tej yam yuav laum, laum chucks pob qhov rooj, tes xwb fais laum thiab percussion lij nrog adjustable ua ob yam. Tab sis rau tej yam yuav laum yog iav los rau ntawm tus ncej beating sib kom paub tej yam kev siv, tiamsis tej yam yuav yog npaum li cas tsawg rauj. Nws yuav tsis haum rau drilling reinforced yooj yim to taub.
Drilling feem: feem laum, feem mechanism muaj yam fangs thiab pob cas ob tug. Pob-yam tej yam yuav laum phaj
, Kho, pob thiab lwm lub Cheebtsam. Daim hlau uas tau tsav cob cog rua ntawm ib threaded ntxaiv, thiab los nrog ib tug 12 npas steel fixing pins tsau rau lub chassis, thiab nrog rau 4 steel npas, nyob ib puag ncig thrust, 12 npas steel dov ib daim hlau 4, carbide tho yam tej yam lus tsa suab, hauv nkig khoom xws li cib, thaiv, qhob laum. Ntsia thawv tawm ntawm cov nyiaj siv ua haujlwm, taag disc nrog disc teb tsis tau tej yam, siv rau kev fais laum.
