GENGLI MACHINERY

Rock Drill series

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YT-28

Air-leg rock drill

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  • High working efficiency
  • Low air consumption, low noise pollution, superior performance, sturdy and durable,easy maintenance,high reliability.
  • Fast punching speed
  • High efficiency, low noise, light weight, good economic effect and fast drilling speed.
  • Good performance
  • Suitable for large-scale mines, neutral mines and tunnel drilling.
  • Quality air legs
  • It can be used for wet drilling operations on medium-hard or hard rocks, and can also be installed on a trolley or support.
YT-28 Product parameter

Cylinder diameter

80mm

Piston stroke

60mm

Impact energy

≥70(0.63Mpa)

Impact frequency of drilling

≥37(0.63Mpa)

Drilling speed

≥(0.63Mpa)

Air consumption

≤81.6(0.63Mpa)

Air pipe inner diameter

25mm

Water pipe inner diameter  

13(10)mm

Working pressure

0.63Mpa

Applicable hole diameter

34-45mm

Maximum hole depth

5m

Air consumption/per meter

10.2×103L/m

Drill rod tail size

H22×108

Working temperature

-30°~+50°

Machine weight

27.8kg

Dimension

L670×W240×H210mm

Genuine Accessories


Drill bit

R32 threaded drill bit

Button bit φ 28 - 43mm

Cross bit φ32 - 65mm

Cross bit φ32 - 65mm


Hexagonal Hollow Drill Rod

YT-27 Air-leg rock drill
Weight 27kg
Cylinder dia Φ80
Piston stroke 60mm
Working pressure 0.4~0.63 (Mpa)
Impact energy 75.5 J
Impact frequency ≥36.7 Hz
Air consumption 80L/s
Working water pressure 0.3 Mpa
Air pipe inner dia φ25 mm
Rock drill hole depth 5m
Shank size H22×108±1mm
Water pipe inner dia φ13 mm
Rock drill hole dia φ34~φ45mm
YT-29 Air-leg rock drill more details
Weight 26.5kg
Cylinder dia φ82
Piston stroke 60mm
Working pressure 0.4~0.63 (Mpa)
Impact energy 70 J
Impact frequency ≥37 Hz
Air consumption 65L/s
Working water pressure 0.3 Mpa
Air pipe inner dia φ25 mm
Rock drill hole depth 5m
Shank size H22×108±1mm
Water pipe inner dia φ13 mm
Rock drill hole dia φ34~φ45mm

Scope of application

Air-leg rock drills are widely used in rock tunneling and various rock drilling operations to drill blast holes. It is an important machine tool in stone works such as mines, railways, transportation, and water conservancy construction.

Easy to use

Low noise

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