RCD(Reverse Circulation Drilling Machine)

Special features

SAMBO CMC's RCD machines(SPD150~750) are large bored pile equipment of soil foundation job sites as bridges, buildings and subways and used for the vertical excavation work by means of the installed power swivel with rotary bits based on hydraulic system.

- It brings the rapid enhancement of working efficiency according to speedy drilling capacity without noise,vibration and is not influenced by a variety of soil
- Capacity if the vertical drilling work is over 60meters deep hole drilling and almost not influenced by any working enviorments

- Special treatment

  • Normalizing the whole master leader and Whole Slide Box collar after welding finished in order to relieve the internal welding stress, And maintain equipment a long lifetime, even prevent deformity of equipment.
  • Machining the holes on the Footing of the Master Leader and Base Frame by Boring Machining tool, It might maintain assembly tolerance and keep a long lifetime of Master Leader and Base Frame.
  • Machining the holes on the slide box collar by boring machining tool after normalizing. It might keep assembly tolerance and keep lifetime of Slide Box.

Model / Size SPD150 SPD200 SPD250 SPD300 SPD330 SPD400 SPD500 SPD750
A(Width of machine 4,919 5,294 6,494 6,494 6,794 7,250 8,980 9,229
B(Length of machine 4,503 5,270 6,505 6,505 6,505 9,150 12,200 12,137
C(Height of machine 9,025 9,025 9,672 9,672 9,702 10,800 14,400 11,115
D(Clamping diameter 1,500 2,000 2,500 3,000 3,300 4,000 5,000 7,500
H1(Height of mast 6,590 6,590 6,727 6,727 6,757 8,400 11,200 8,220
H2(Height of base frame 2,435 2,435 2,945 2,945 2,945 3,200 3,590 2,895