REL Drilling Solutions

C650 D Built for maximum performance

c650D - Rotary Hole Drills

The REL C650 D Rotary Blast Hole drills are designed to drill clean holes of 6 1/4 inch (159mm) to 9 inches (229mm) diameter to a maximum depth of 120 ft (36.5m) using 30 ft (9m) long rods and 160 ft (48m) using 87.6 ft (26.7m) long rods. Our Blast Hole is available in three customized variants designed to deliver the required diameter hole based on your mining needs.

The Mast is electrically welded and made of square and rectangular steel tube mast of robust construction to withstand adverse drilling conditions

  • The C650 D Blast Hole Drills is available with 9 meter and 13 meter single pass mast options.
  • The Mast is electrically welded square and made of rectangular steel tube mast of robust construction to withstand adverse drilling conditions
  • Cabin of the REL C650 D provides maximum comfort, usability conforming to the regulatory standards.
  • The layout of the C650 D Drill is designed for better serviceability with easy access to all daily check zones and regular change interval components
  • Small in size big on performance – The C650 D Series drills commands with the smallest footprint in its class providing it with better Spacing burden ratios and making it easier to manoeuvre in tight corners
  • Its maximum height of 4.4 meters makes it easy for transportation along with the mast
  • The REL C650 D is available with three Autonomous Package
    • Basic One touch
    • Fully Autonomous
    • Remotely Operated Fully Autonomous Packages
Parameters Unit ROTARY DTH
Recommended hole-diameter inch 6-1/4 to 9 5 to 6-3/4
mm 159 to 229 127 to 171
Drill rod / tube diameter inch 5 to 7 4 to 5
mm 127 to 178 101 to 127
Single pass (Standard) feet (m) 30 (9)
Single pass (Optional) feet (m) 42.6 (13)
Multi pass capacity feet (m) 150 (45) /87.6 (26.7) 150 (45)
Drill pipe length feet (m) 30 (9)
Storage capacity 3 Pod / 4 Pod 4 Pod
Rotation Torque lbf.in 55000-78000 53100
Nm 6200-8800 6000
Rotation Speed rpm 0 to 150 0 to 90
Feed force lbf 40000-50000 30000
kN 178-222 133
Hoist force lbf 22000-28000 20000
kN 98-125 89
Normal Feed rate ft/min 15-22 22
m/min 4.5-6.7 6.7
Normal Hoist Rate ft/min 25-40 40
m/min 7.6-12.1 12.2
Fast Feed rate ft/min 65-90 65
m/min 19.8-27.4 19.8
Fast Hoist Rate ft/min 110-130 105
m/min 33.5-39.6 32
Engine type Model CAT C15 (Tier 3) CAT C15 (Tier 3)
Engine output power HP 440 / 540 HP @ 1800 rpm 540 HP @ 1800 rpm
kW 328 / 403 kW @ 1800 rpm 403 kW @ 1800 rpm
Compressor capacity cfm x psi 750 x 100 / 1000 x 100 1000/900 x 350
m3/min x bar 21.2 x 6.9 / 28.3 x 6.9 28.3/25.5 x 24.1
Opearator cabin FOPS Certified, AC & Heater
Tramming speed mph 0.9 / 2.2
kmph 1.5 / 3.5

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