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YT28 Pneumatic Rock Drilling Machine With Air Leg

Advantages of hand-held / Air-leg Jack Hammer Rock drill:
a: Reasonable design
b: Convinient operation
c: Fast drilling velocity
d: Engery-saving
e: High Efficient
f: Long service life of parts
g: Parts highly interchangeable and reliable performance etc

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  • Product Details

Description of YT28 Pneumatic rock drilling machine:

The YT28 rock drill machine is a kind of high efficiency air leg rock drill machinery.
It is mainly used for blasting holes and other drilling works in a quarries, railway
Construction, water conservancy construction and defence project facility.
It is suitable for drilling and blasting under various of rocks at any direction angles.
Blast hole dia is 34-42mm, drill hole depth is 5 m.
This machine may match with Model FT160BD short air leg or Model FT160BC long air leg.
This machine has transparent surface of FY200B oil reservoir to regulate oil.

Features of YT28 Pneumatic rock drilling machine:

· Fit for wet drilling in medium-hard or hard rock.
· Grouped control mechanism, quick to start up, with "air on, water on, air off, water off" mechanism, convenient to handle
 . Easy to maintain and repair
· Energy-saving and efficient, long service life of parts, parts highly interchangeable and reliable performance.

YT28 pneumatic rock drilling machine

Main parts of YT28 pneumatic rock drilling machine:

YT28 Pneumatic rock drilling machine blob.png


Parameters of YT28 Pneumatic rock drilling machine:

YT28 pneumatic rock drilling machine

Fitting and removing the tool

Before fitting the working tool 

1.Check that the tool shank is of the correct size and length for the chuck used. 

2.The shank must be clean and the tool must be in good condition. 

3.The suitable quenching hardness of the shank is HRC48-53. Harder end face will cause piston damaged and breakage of the end face of the piston. If the shank face is too soft, it will be easily deformed by the piston, which will result in difficulty in removing the working tool. 

3.Shank end face shall be flat and perpendicular to the axis. 

4.Remove sharp edges from the shank's end face. Rough shank surface will cause premature piston failure. 

5.Inspect the bits: Dull bits will slow down the drilling speed and overstrain the drill mechanism. When changing bits make sure that the new bit is the correct size to follow your previous bore. 

6.Before drilling check that the flushing hole in the working tool is not blocked.


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