Model Number: HF-42T crawler machine-#2301 Brand Name: HF Key Specifications/Special Features: HF-42Thydraulic core drilling rig, for geological exploration in copper minesApplication scope1.HF-42T is a kind of core drill driven with Tungaloy-carbide-tipped bit and diamond-bit, small diameter.2. It is mainly suitable for exploration of metal or non-metal solid mineral ore bed.3.It is widely applied in the field of geology, metallurgy, coal mine, hydrological and engineering drilling.4.It can also be used in the fields of superficial-zone petroleum and natural gas mining, mine workings ventilation and water discharge tunnel drilling as well as foundation pile construction in large diameter.

Main characteristics:

1.The drill tower is pyramid-mast type.
2.The tower has its own crown block convenient for ground installation.
3.The tower can be adjusted in clockwise direction for drilling inclined holes.

4.The adjustment is convenient for making and wide in adjusting range. It is suitable for drilling large-angle hole.

5.With eight rotary speeds and reasonable ranges of speed (please see the list of spindle speed). Max torque 3200N·M (while with lower rotary speed of spindle).

6.With large spindle I.D. 93mm (3.66 inch), the rig is driven by hydraulic double cylinders with much longer stroke up to 600mm (23.62 inch). The rig is suitable for various drilling technologies to improve drilling efficiency.