Drill Rock Air-Laki gumantung ing udhara sing kompres kanggo nyetir piston kanggo mbales. Sajrone stroke, piston nyerang buntut shank, lan sajrone stroke bali, piston nggawa alat pengeboran kanggo muter kanggo nggayuh rock crush lan pengeboran. The use of full hydraulic drilling rigs to replace air-leg rock drills is an inevitable trend in the development of coal mine rock tunneling. Nanging, saiki luwih saka 90% saka terowongan rock utamane didorong dening pengeboran rock-oir. Drill Rock Air-Laki yaiku tangan, semi-mekanisasi (mekanisasi kanthi manual, peralatan kanthi manual, peralatan pindah manual) produk kanthi jumlah sing akeh lan sudhut. Operasi lan pangopènan kasebut trep, lan regane kurang.
Wektu Pos: Apr-12-2021
