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HCZ series Percussion Drilling Rig is the very important drilling equipment in foundation construction for pile and borehole. It can be used for various geological conditions, especially to pebble bed and soil, rock stratum. This kind of percussion drilling rig is very popular in the market currently. The percussion drilling rig uses the crank-link mechanism to change the powers gyration motion into alternating motion through the wire rope to drive the hammer bit to do up-and-down motion. With the impact effect of the wire rope, the hammer will free fall to break the soil, sand, pebble or rock into pieces and then use the slag tube or mud pump to clean the slag out from the hole.
Product features: 1. Strong lifting load. 2. Large drilling diameter, from 300mm to 3000mm. 3. Hammer drill & high efficiency. 4. Deeper drilling depth, till to 300m (when diameter is 400-600mm) 5. Convenience installation and maintenance. 6. Long service life.
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