The usual components of drilling are: drill bit, drill collar, drill pipe, stabilizer, special joint and square drill pipe. The basic function of drill string is:
At the end of 2017, the Xicheng high-speed railway passing through the Qinling and Daba mountainous areas was completed, marking that the high-speed railway in the western region of China has been con
Check the integrity and rotation of various components (including rock drills, supports or rock drilling rigs) before drilling.
Water well drilling rig is a convenient, efficient and multifunctional rock drilling equipment.
At present, our oilers are made of plastic and filled with lubricant. Before drilling, we must turn on the oiler switch, the operation is relatively complicated.
The B87 Pneumatic Pavement Breaker is a kind of high efficiency air leg rock drill machinery.
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Executive Editor: Linda Zhang