PD420L hydraulic rock drill

PD420L hydraulic rock drill

Application: Medium and deep hole mining rig

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Description

TECHNICAL DATA  ( METRIC) PD420L
Nominal power class kw 23
Optimal maximum hole diameter mm 76
Drilling depth m 40
Impact energy J 420
Percussion pressure bar 200
Percussion oil-flow  L/min 105
Rotation motors cc/r 200
Rotation motors brand DANFOSS
Oil inlet rotation pressure bar 200
Flow L/min 75
Max.Rotation speed rpm 175
Max.Torque N.M 1340
shank size T45、T51
Lubrication  Air-oil mist
Air lubrication pressure bar 2.5-3.5
Lubrication air flow L/S 6
Flushing AIR/WATER
Flushing water flow L/min 70
Flushing air pressure bar 10
Center height mm 84
Weight kg 190
Accumulator nitrogen charging pressure bar 100
Buffer accumulator nitrogen charging pressure bar 25-35

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