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Pneumatic Hand Held Rock Drill

Pneumatic hand held rock drill is suitable for most drilling applications in medium to hard rock.
Pneumatic hand held rock drill is equipped with a polyurethane cover that can reduce noise by up to 50 percent.
With its long stroke the Puma has good penetration rate. And the quality rifle bar rotation mechanism can handle the load.
These all-rounders can be used in a wide range of applications. They have a robust riflebar rotation, long stroke length and high penetration rates.

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  • Product Details

Introduction of pneumatic hand held rock drill:

pneumatic hand held rock drill model YT28 is mainly used for drilling, secondary blasting and other work in mines, railway and water conservancy projects. It is designed for both dry and wet rock drilling on hard and medium hard rock, vertically downwards or inclined blast hole. For wet drilling, the water pipe nut must be replaced with the air pipe nut and the water pipe. The rock drill can be equipped with pusher leg

Rock Drill Jack Hammer3.jpg

Safety instructions of pneumatic hand held rock drill:

To reduce the risk of serious injury or death to yourself or others, carefully read through this instruction booklet before putting the rock drill to use. Always follow the instructions given in this manual. h Always wear a safety helmet, impact resistant eye protection with side protection and ear protectors with CE mark during drilling. Any local regulations that exist must also be observed. h When drilling in certain minerals, there is a risk of spark generation. Before starting work, check that the machine is approved (in accordance with local regulations) for work under such conditions. h Always take great care when using the machine. The drill steel is subjected to heavy loading and can break, with a risk of injury to personnel. h Check that the hoses used are of the right quality, and that all hose connections are in good condition and properly tightened. h Before starting work on any of the systems, make sure that the air and water systems are un-pressurized. h Make sure that there are no concealed wires or other sources of electricity. Never drill near any electric wires or other sources of electricity. h Exposure to crystalline silica (sometimes called 'silica dust') as a result of drilling in rock may cause silicosis, cancer or death. To reduce silica exposure, use water flushing. h A compressed air hose that comes loose can lash around and cause personal injury or death. Check that the compressed air connections are not damaged and that they are properly attached.


Starting the rock drill 

  1. Open the main valve for compressed air.

 2. Align the rock drill so that the drill steel touches the desired collaring point. 

 3. Move the throttle lever forward a little, which will start water flushing (if water is connected), percussion and rotation. 

 4. Collar the hole with reduced feed force. 

 5. Move the throttle lever fully forward once the drill steel has gained a secure footing in the rock.


Note! Do not bend the drill steel as this will increase wear of the shank bushing and piston. Furthermore, it can also affect drilling efficiency and increase the risk of drill steel breakage. 


Stopping the rock drill Pull the throttle lever backwards, which will stop percussion, rotation and flushing water. Checking the lubrication The chuck and drill steel shank must always be covered by a film of oil.




Parameters of YT28 Pneumatic rock drilling machine with air leg :

Machine weight

26

kg

Captain

661

mm

Cylinder diameter

80

mm

Piston stroke

60

mm

Working pressure

0.5-0.6

mpa

Impact frequency

≥34 ≥37

hz

Gas consumption

≤55 ≤81

l/min

Tracheal diameter

25

mm

Water pipe diameter

13

mm-

Drilling head diameter

34-42

mm

Drill tail size (hexagonal × length)

 22×108±1

mm

YT28 pusher leg rock drill supporting FT160BD type air leg (short gas leg) Technical parameters::

Air leg length

1400

mm

Advance the journey

965

mm

Cylinder bore

65

mm

Quality

≈14.4

kg

FT160BC type air leg (long air leg)



Air leg length

1800

mm

Advance the journey

1365

mm

Cylinder bore

65

mm

quality

≈16.9

kg

FY200B-FY200C-type oiler oiler

200 

ml

quality

1.02

kg

Pneumatic rock drilling machine with air leg

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Pneumatic rock drilling machine with air leg

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