YO20 Rock Drills

YO20 rock drills are suitable for drilling primarily vertical tilting blast holes below the drilling level of medium-hard rock; they can drill blast holes in different directions at different angles after being equipped with FT-100 air leg. Holes with diameter of Φ36~42mm are drilled to the appropriate depth of 1.5~2m and the maximum depth of 5m.

Technical Parameters of YO20 Rock Drills

Model

YO20

Weight

20.5

kg

Length

561

mm

Cylinder diameter

63

mm

Stroke

55

mm

Tracheal diameter

19

mm

Pipe diameter

8

mm

Stalk borer

22×108

mm

Aperture

φ30-φ42

mm

Working pressure

0.4-0.5

Mpa

Air consumption

≤33

L/Sec

Impact energy

≥26

J

Impact frequency

≥33

HZ

Maximum hole depth

5

m

Size

608×312×205

mm

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