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Features of dth blast hole drilling rig: 1. down the hole drilling tools widely used in mines,transportations,defense,water conservancy,rock engineer,especiaaly rugged terrain. 3. Rotator reducer with high torque ensure operating reliable in the case of strong vibrations or heavy duty. 5.
Down the hole drill rig can drill holes in rocks above medium hard (f ≥ 8). Therefore, down the hole drilling machine equipment is suitable for large diameter blast hole drilling in small and medium-sized mines. Road construction, water conservancy and rock engineering. And drilling anchor hole in slope support, tunnel support and foundation pit support.
GD100 quarry blasting small portable borehole drilling machines is a convenient compact electric down-the-hole (DTH) drill, it is widely used in small and medium-sized mines and blasthole drilling operations in national defense, water conservancy, road construction and stone works. It is an ideal tool for stratified mining and medium-deep hole
TAIYE628-DTH is a hydraulic rig specially designed by TAIYE for customers who require low price, widely used for drilling blasting hole in metallurgical, mining, building materials, railway, hydropower construction, national defense construction, earth and rock, and other open-air engineering and underwater drilling, blasting and reef blasting projects.
Alibaba offers 1,504 small blasting drilling rig products. A wide variety of small blasting drilling rig options are available to you, such as local service location, key
blasting hole drilling rig from Shandong Longye Machinary Co., Ltd.. Search High Quality blasting hole drilling rig Manufacturing and Exporting supplier on Alibaba.
China Kg520 Down The Hole Rock Blasting Drilling Rig for Open Mining, Find details about China Rock Drilling Rig, Rock Blasting Machine from Kg520 Down The Hole Rock Blasting Drilling Rig for Open Mining Beijing Jincheng Mining Technology Co., Ltd.
Alibaba offers 1,832 open mining blasting hole drilling rig products. A wide variety of open mining blasting hole drilling rig options are available to you, such as local service location, key selling points, and applicable industries.
Drilling with drifters and electrohydraulic rigs is called longhole drilling. In small-scale surface mining including small quarries, jackhammers are in common use but in larger quarries and open pits, various types of mechanised rigs are employed. They drill holes of up to 350mm diameter and lengths up to 60m. Blasting in a mine generally occurs in two phases, primary blasting and secondary blasting.