Powerful Hydraulic Rock Drill

Powerful Hydraulic Rock Drill :, 1.easy to use, 2.factory directly sell, 3.high effciency - details see: https://www.machineto.com/powerful-hydraulic-rock-drill-10318604

Place of Origin:Fujian China (Mainland)	Brand Name:DSL	Model Number:YYT28 Hydraulic Rock Drill	Condition:New
After-sales Service Provided:No overseas service provided	Model:YYT28 Hydraulic Rock Drill	Weight:28kg	Length:600mm
Shank:22*108	Water flushing:Yes	Air flushing:Yes	Piston stroke:24mm
Piston dia:30mm	Oil flow:32-35L/min	Impact energy:55-65J

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YYT28 Hydraulic Rock Drill

The YYT28 is made for general excavations,quarrying and bolting with hexagonal shank rods with a shank size of 108mm(41/2”)*22mm(7/8”).

The YYT28 can use water flushing or air flushing.

YYT28 is a hydraulic rock drill to drill diameter 32mm(1 1/4”) to 50mm(2”) hole.

Specifications

shank

Water
flushing

Air
flushing

Weight
kg

Length
Overall
mm

Piston
Stroke
mm

Piston Dia
mm

Oil flow
L/ min

22×108

√

600

32-35

Hydraulic
Pressure
Mpa

Impact
Energy
J

Impact
Frequency
J

Torque
Nm

Spin
Speed
r/min

Drilling
Hole dia
mm

WaterPressure
Mpa

15-17.5

55-65

55-60

50-55

250-300

φ32-46

0.1-0.3

Powerful drilling
The powerful combination of percussion and rotation originates in a very efficient impact structure .
YYT29 is also equipped with a powerful flushing mechanism which enables efficient removal of cuttings during drill deep holes.

High durability
The external parts have a sturdy design, and the internal parts, subjected to severe working conditions, which are either heat-treated or chromium plated. And all components are precisely finished as well. The drill internal parts all work in the hydraulic oil assures trouble-free and economical operation.

Easy and safe operation
Perfection of balance and convenient portability have been main concern in the design of YYT29.The hydraulic leg patent design makes the drill can be used for long periods due to the minimum recoil. The patent brake-chuck assures the broken rod will not hurt drillman and the drill rig will not fall when the bit shank is broken. YYT29 guarantees dependable and efficient drilling with a minimum of operator fatigue.

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