Model YT28 Air-leg Rock Drill

Instruction

The rock drill is a kind of high efficiency air leg rock drill machinery. It is mainly used for diging into mine laneway and blasting holes in all drilling works. It is indispensably importance machine tool in metallurgy, coal, railway, traffic, water conservancy construction and national defence stone project.

It is suitable for drilling and blasting under various of rocks at any direction angles. Blast hole dia is 34-42mm,drill hole depth is 5 m This machine may match with Model FT160BD short air leg or Model FT160BC long air leg.

This machine has transparent surface of FY200B oil reservoir, easy to observe the oil lever, adjust oil quantity, ensure the well lubricated.

Specification

Weight                                                                  ≈ 26 kg

Length                                                                  661mm

Cylinder dia                                                               80mm

Piston stroke                                                               60mm

Air pressure                                                          0.4- 0.63MPa

Impact frequencey                                                        ≥ 37       Hz

Air consumption                                                           ≤81L/S

Air pipe (inner dia )                                                          25mm

Water pipe (inner dia )                                                         13mm

Drill bit dia                                                             34-42mm

Shank dimensions(hex*length)                                       22*108+1mm