1. Txheeb xyuas tus nqi pub noj mov: feem ntau pub zaub mov raws li kev paub. Los ntawm cov lej hais txog ntawm kev xav, nws feem ntau yog 0.08-0.12mm / kiv puag ncig, lossis 0.6-1.0mm / sec. Tus nqi pub noj yog qhov tseem ceeb thaum drilling, thiab nws txawv. Tus nqi noj tuaj yeem ua cov ntawv sib txawv ntawm cov hlau, thiab cov hlau sib txawv yuav hloov lub nti tshem tawm kev ua haujlwm
2. Txoj Haujlwm: Txaug ua qhov chaw taw tes rau hauv qhov chaw nruab nrab ntawm qhov chaw yuav tsum raug khawb lossis kos cim" hla" kab nrog ib rab koob txhuas kom paub meej qhov tseeb ntawm qhov chaw drilling. Nco ntsoov tias thaum siv lub nruab nrab chisel mus ntaus qhov chaw tus taw tes, thov nco ntsoov tias lub chisel nruab nrab yog txiav mus rau sab npoo ntawm qhov chaw ua haujlwm, kom tsis txhob cuam tshuam rau lub paug tawm ntawm lub txiav qhov tseem ceeb.
3. Pib kev sib tsoo: thov kho qhov ceev uas tsim nyog, paub tseeb tias hauv qab ntawm qhov sib nqus ntawm cov laum yog huv ua ntej pib, pib tig rau lub hauv paus kev sib nqus thiab tom qab ntawd lub cev muaj zog hloov. Lub cev muaj zog khiav thiab lub coolant hloov yog muab. Thaum lub laum ntsis nphav lub phaj steel, pub qeeb. , Tom qab tho li 1-2 hli, pub rau ntawm qhov nrawm.
4. Xaus kev tsoo: Xaus lub cev muaj zog thiab tos kom tus ntxaiv kom tsis txhob tig, siv tus hlau txuas txhawm rau tshem tawm cov ntawv hlau rau ntawm lub cev laum, thiab tom qab ntawd ua haujlwm txuas ntxiv.