500A type full-hydraulic crawler well drill rig
Technical Parameter
Model：500A
Max. drill depth：400m
Drill diameter：110-450mm
Working air pressure：1.05-3.45Mpa
Air consumption：16-85 m³/min
Drill rod length：3m
Drill rod diameter：89mm；108mm; 114mm;140mm;
Reverse drill rod：108mm；127mm（Optional）
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Axial pressure： 5t
Lifting force： 20t
Slow lifting speed：4.2m/min
Slow feed speed：5.2m/min
Fast lifting speed：30m/min
Fast feed speed：37m/min
Rotation torque：8500Nm；4250Nm
Rotation speed：0-90r/min；0-180r/min
High landing leg travel distance：1400mm（Optional）
Penetration rate：10-25m/h（Down hole drilling with hammer）
Travel speed：2.5Km/h
Grade ability：21°
Weight：11.5 t
Whole dimension：6.5×2.1×2.8m
Application formation： Unconsolidated layer or bedding rock
Application: Water well or Piliing engineering
Drill method： Mud or downhole hammer drilling
Hammer： Intermediate or high air pressure series
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