In-the-hole drills


Joy CMM2

  Hole diameter 89 to 165 mm
  Hole length Up 50 m
  Hole length Down 183 m
  Rod diameter 73 to 165 mm
  Rod length 1.82 m
  Operating weight 7,031 kg
  Maximum pulldown/pullback 8,165 kg
  Maximum torque at stall 4.339 Nm
  Gradeability 36.4% 20 degrees

Key dimensions
  Total length: tower up 4.68 m
  Total length: tower down 4.10 m
  Operating width 1.278 m
  Height: tower down 2.56 m
  Tower raise height 0.58 m
  Mast radius 1.54 m
  Forward tilt maximum 15 degrees-18 degrees
  Tram height 1.99 m
Joy SR-360

  Hole diameter 89 to 165 mm
  Hole length 229 m
  Rod diameter 73 to 165 mm
  Standard rod length 1,830 mm
  Standard feed force 8,181 kt
  Dry weight 9,299 kg
  Electrical (3-phase 600V/60Hz) 30 kW
  Drive head Two-speed dual motor
  Feed: gimbal-mounted compound cylinder 162 cm2
  Low range speed 35 rpm
  High speed range 70 rpm