Hole Opener/HDD reamer bit's introduction
Rock reamer suitable for large rigs trenchless pipe laying large diameter trenchless construction, suitable for a variety of rock formations, reaming diameter range up Φ300-2200mm
Wheel body and the body connection reliable, easy disassembly, does not require large-scale special hydraulic equipment, artificial wrench can be convenient to replace the wheel body.
The same body can be reused, you can also install different specifications of the wheel, under normal circumstances can be replaced four different size of the wheel body, which can be carried out with a body of four sizes aperture hole construction, greatly saving construction costs
Horizontal Directional Drilling hole openers are also known as HDD reamers which used to enlarge the pilot hole in Horizontal Directional Drilling (HDD).HDD is used in trenching and excavating is notpractical. This drilling technology allows for a steerable trench-less way to underground.
There are three stages:
a.The first stage is to drill a small diameter pilot hole.
b.The second stage is to enlarge the hole with a larger diameter cutting tool called an HDD Reamers, Rock Reamer or Hole Opener.
c.The third stage is inserting the casing pipe or other product into the enlarged hole.