YT27 air leg rock drill Jack Hammer

size

668X248X202

mm

Cylinder diameter

80

mm

Piston stroke

60

mm

Working air pressure

0.40~0.63

Mpa

Working water pressure

0.3

Mpa

Operating temperature

-30-50

℃

Tracheal inner diameter

25

mm

Inside diameter of water pipe

13

mm

Bit tail size

H22X108

mm

Suitable hole diameter

34~42

mm

Suitable for maximum 

hole depth

5

m

Acceptance pressure

0.63

0.5

0.4

Mpa

Impact energy

≥70

≥64

≥48

J

Drilling shock frequency

≥40

≥39

≥37

Hz

Gas consumption in drilling

≤85

≤57

≤50

L/s

torque

≥19

≥16

≥13

Nm

Rotational speed

≥300

≥300

≥280

r/min

noise

≤127

≤126

≤125

dBA

Drilling rate

≥480

≥400

≥300

mm/min

cleanliness

≤850

mm

FY250 oiler

weight

1.2

kg

Oil capacity

0.25

L

Air leg

FT160 A

FT160 B

FT160 C

length

1668

1428

1820

mm

Advance stroke

1338

1098

1490

mm

Cylinder bore

65

65

65

mm

weight

17

15

18

mm