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YT28 air leg rock drill

YT28 air leg rock drill

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Product description

1.Introduction of YT28 air leg rock drill

YT28 air leg rock drill is a high efficiency rock drilling machine. It is widely used in rock tunneling and drilling blastholes in various rock drilling operations. It is an important machine in stone works such as mining, railway, transportation and water conservancy construction.
YT28 air leg rock drill is used in a wide range of applications. It is suitable for drilling horizontal and inclined blastholes on medium-hard or hard (f=8~18) rocks, and can also drill the boltholes of the top plate vertically upwards. The diameter of the blast hole is generally 32-42 mm, and the effective economic drilling depth can reach 5 meters. This machine can be used with the FT160BD short air leg or FT160BC long air leg according to the section size of the roadway. It can also be installed on the drill or drill stand.
YT28 air leg rock drill is equipped with FY200B oiler with transparent casing, which is convenient for observing oil surface and adjusting oil quantity to ensure good lubrication.

2.Parameters of YT28 air leg rock drill  

Weight

26

kg

Length

661

mm

Bore diameter

80

mm

Piston stroke

60

mm

Working pressure

0.4-0.63

mpa

 

Impact frequency

≥36(0.63mpa)
≥35(0.5mpa)
≥28(0.4mpa)

hz

 

Air consumption

≤82(0.63mpa)
≤58(0.5mpa)
≤52(0.4mpa)

l/s

 

Impact energy

≥70(0.63mpa)
≥63(0.5mpa)
≥44(0.4mpa)

j

 

Torque

≥23(0.63mpa)
≥19(0.5mpa)
≥15(0.4mpa)

n·m

 

Number of revolutions

≥300(0.63mpa)
≥260(0.5mpa)
≥250(0.4mpa)

r/min

 

Punching speed

≥470(0.63mpa)
≥400(0.5mpa)
≥250(0.4mpa)

mm/min

Air pipe inner diameter

25

mm

Water pipe inner diameter

13

mm

Water pressure

0.3

mpa

Drilling diameter

34-45

mm

Maximum drilling depth

5

m

Operating temperature

﹣30-45

Shank size

H22*108

mm

FY200B type oiler

Weight

1.02

kg

Oil content

200

ml

FT160BC gas leg

Weight

16.9

kg

Length

1800

mm

Advancement

1365

mm

Cylinder inner diameter

65

mm

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,YGZ-90.

 

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