Engineering Drilling Rig (GM-20A)

Payment Terms: L/C, T/T
Engineering Drilling Rig (GM-20A)

Product Description

GM-20A Engineering drilling rig, a light weight big-hole engineering drill, is im0proved and designed based on GM-20 drill. The new type drill unites the tower and machine body.

This type of drill integrates the drill's advantages of the type's turn plates, the power heads and the main shaft drills. The drill has such advantages as high drilling efficiency and precision, powerful torque, wider ranges of speed and smaller coefficient of oversize of hole. It can drill in the ways of forcing feed or reducing bit load drilling by hydraulic system. Oil cylinders of the drill can raise or pull down the tower safely and quickly, move and fit the hole position conveniently. After moving the machine, the bit of two meter diameter can be directly lifted or run in. Height of the tower is ten and five meters, which can directly pull down the steel cages. The assistant hoist's capacity is strong. The drill is equipped with step device as to fitting the hole position conveniently. The control handlebars are collected so easy to operating. The drill can be used in the drilling technologies of normal or reverse circulation in the quaternary period gravel or hand rock ground. The drill can be mainly used for big-hole grouting pole holes drilling of high building, port and bridge.
Drilling capacity   Drilling diameter   2.0m
  Drilling depth   80m
  Speed   Positive   10.4, 19, 31, 49.3, 76.5r/min
  Negative   11.8r/min
  Max. torque   40kN. m
  Max. pressuring force   100kN
  Max. lifting force   120kN
  Feeding stroke   400mm
  Main hoist capacity(single rope)   45kN
  Assistant hoist capacity(single rope)   30kN
  Effective height of drill frame   10.5m
  Specified load of drill frame   180kN
  Power   45kW
  Dimensions(L× W× H)   5760× 3000× 11000 mm
  Weight(with power unit)   12500 kg

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