During Conexpo in Las Vegas Comacchio presented new capabilities of its CH 450 rig.
The multipurpose design of the Comacchio CH 450 has been enhanced to adapt to a larger range of drilling technologies, including micropile rotary drilling with single head and double head system.
The CH 450 MP presented at Conexpo featured a double head system developed by Comacchio offering up to 106 kNm torque on the lower rotary head and 24 kNm on the upper drill head, allowing for high penetration rates and improved productivity even in the most difficult ground conditions. The clamping arrangement allows for the installation of micropiles that range from 120 to 620 mm diameter. The use of the Comacchio patented casing extractor offers additional extraction force to speed up casing removal. For easier and safe operation the rig is equipped with the Comacchio radio control system for tramming and drilling functions. Due to the flexible design the Comacchio CH 450 can adapt to all most common drilling methods including Kelly drilling, continuous flight auger drilling, full displacement drilling and soil mixing, as well as single head/double head micropile rotary and rotary-percussive drilling.