1.Introduction of YT27 air leg rock drill

YT27 air leg rock drill is a new type high-efficiency rock drilling machine. It is mainly used for rock drilling in mine roadway excavation. It is also a rock drilling tool widely used in railway, water conservancy and national defense stone works, and FY250 type oiler and The FT160A (or FT160B) air leg is used for wet rock drilling of medium hard and hard rock, drilling horizontal and inclined blastholes, and removing the air leg for installation on a trolley.

2.Parameters of YT27 air leg rock drill

Weight 27 kg

Dimensions 668*248*202 mm

Bore diameter 80 mm

Piston stroke 60 mm

Impact energy ≥75.5 j

Impact frequency ≥36.7（0.63mpa）

≥39（0.5mpa） hz

Air consumption ≤83.3（0.63mpa）

≤57（0.5mpa） l/s

Working pressure 0.5-0.63 mpa

Working water pressure 0.3 mpa

Air pipe inner diameter 25 mm

Water pipe inner diameter 13 mm

Drilling diameter 34-45 mm

Maximum drilling depth 5 m

Shank size 22*108 mm

FY250 type oiler

Weight 1.2 kg

Oil content 0.25 l

FT160A type air leg

Leg length 1668 mm

Advancement 1338 mm

Cylinder inner diameter 65 mm

Weight 17 kg

Shandong Master Machinery Group specializes in supplying pneumatic rock drill，the main models are: QCZ-1, QCZ-2, Y6, Y8, Y10, Y24, Y26, YO18, Y19A, Y20LY, 7665, 7655, YT23, YT24, YT27, YT28, YT29A ,YSP45 .