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FEATURES:
·New hydraulic technology, with low air consumption rotary torque
·Compact structure, the smallest turning radius of only 2.8m
·Easy operation and maintenance
TECHNICAL SPECIFICATION
MODEL |
DR7-100YA2
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DR7-110Y
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DR7-138Y
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DR7-140Y
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DR7-200
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Total Weight (kg)
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2800
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3300
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3800
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4800
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8000
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Drilling Diameter (mm)
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90---130
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90-130
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90-130
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115-140
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127-254
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Dimension (mm)
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4100*2030*2020
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5200*2060*2020
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5200*2030*2300
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5270*1950*2300
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5800*2040*3200
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Drilling Depth (m)
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30
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30
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Horizontal 40m
Vertical 30m
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60
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213
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Travelling Speed (km/h)
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2.0
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2.0
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2.0
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2.5
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2.5
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Once Promotion Distance (mm)
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2000
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3000
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3000
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3000
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3000
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Gradeability (°)
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30
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25
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30
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30
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25
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Working Pressure (Mpa)
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0.7-1.4
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0.7-1.6
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0.7-1.6
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1.05-2.46
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1.05-2.46
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Chassis Ground Clearance (mm)
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260
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260
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260
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260
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260
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Air Consumption (m³/min)
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7--15
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10-15
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10-15
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10-20
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16-30
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Skid Pitch (up and down total) (°)
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100
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100
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95
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100
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100
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Rated Power (kW)
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33
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33
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45
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56
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56
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Sliding Tilt Swing (°)
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Left 35, right 10
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Left 35, right 10
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Left38, right 31
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Left & right 70
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Left & right 70
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Rock Hardness
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F=6-20
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F=6-20
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F=6-20
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F=6-20
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F=6-20
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Carriage Compensation (mm)
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900
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900
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900
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900
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900
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Impact Frequency (r/min）
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840
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950-1500
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950-1500
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950-1500
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950-1500
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