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摘要

The CM 785 surface drill rig is designed to handle 5-meter pipes and can reach a total depth of 129 ft, with holes up to 6.5 ft in dia. The rotary head is able to supply 4,500 Ib ft of torque, while the variable airflow can deliver a volume of up to 862 cu ft per minute at 350 psi. It has a cylinder-driven aluminum feed system with a single-piece breakout table for easy maintenance. The superstructure has a ground clearance of 17 in. and full-length rock guards for drilling in rough terrain. Atlas Copco; 720-235-2325; www.atlascopco.com