Yt27 Jack Hammer Yt28 Pneumatic Portable Drilling Machine Hand Held Rock Drill Jack Hammer with Air Leg

Product Description

Product Features And Technical Specifications

Features

1,The YT27 air leg rock drill has the features of strong function of blowing and cleaning the gun hole and high torque of turning to braze
2,In addition to the advantages of the YT27 air-legged rock drill, it also adopts the flange control valve to produce gas and other functions.
3,The YT27 air-legged rock drills are most suitable for rock drilling in large mines and roadway projects.
4,With air-water linkage, air-leg quick return, air pressure adjustment, and other mechanisms.
5,Control handles are concentrated around the handle, the mechanism is novel and easy to operate
6,The sound-deadening cover can effectively reduce noise and change the direction of exhaust at will, improving the working conditions on-site.

Railway, tunnel, highway, metallurgy, coal mine, water conservancy and hydropower construction projects.

Technical Specifications

Model:	Yt27
N.W.:	27kg
Length:	668mm
Bit Head Size:	R22×108mm
Air Consumption:	≤80 L/S
Percussive Frequency:	≥36.7 Hz
Impact Energy:	≥75.5 J
Boreholes Diameter:	34-45mm
Piston Diameter:	80mm
Piston Stroke:	60mm
Working Air Pressure:	0.63 Mpa
Working Water Pressure:	0.3 Mpa
Drilled Holes Depth:	2m-5m

Product Decomposition Diagram

Rock Drills Before Use

Precautions For Use

1,Check the integrity and rotation of all parts (including rock drill, bracket, or rock drill cart) before drilling, fill necessary lubricant, and check whether the wind and waterways are smooth and whether the connection joints are firm.

2,Knock on the roof near the working face, i.e. check whether there are live rocks and loose rocks on the roof and second gang near the working face, and make necessary treatment.

3, the working surface of the flat shell hole location, is to be pounded flat in advance before allowing rock drilling, to prevent slippage or shell hole displacement.

4. It is strictly forbidden to drill dry eyes, and we should insist on wet rock drilling, turn on the water first and then the wind when operating, and turn off the wind and then the water when stopping drilling. When opening the hole, run at low speed first, and then drill at full speed after drilling to a certain depth.

5,No gloves are allowed to be worn by the drillers when drilling.

6,When using the air leg to drill the hole, pay attention to the standing posture and position, never rely on the body to pressurize, let alone stand in front of the rock drill under the work brazing rod, to prevent injury from broken brazing.

7,If abnormal sound and abnormal water discharge are found in rock drilling, stop the machine for inspection and find out the reason and eliminate it before continuing to drill.

8,When withdrawing from the rock drill or replacing the brazing rod, the rock drill can run slowly and pay attention to the position of the rock drill braze.

Application Image

Usage Scenarios

SHENLI

YT27 air-legged rock drill is a heavy-duty air-legged rock drill with high efficiency low consumption, especially suitable for use in the construction of railroads, highways, hydropower, etc.

YT27 

It is also a replacement product for gold, coal and other mining roadway ingress and various rock drilling operations.

Air Leg Rock Drill

It is suitable for drilling and blasting under various of rocks and any direction angles.Blast hole dia is 34-42mm, drill hole depth is 5m.

Packaging Image