In the 2nd century BC, China has used manpower and used bamboo bow elastic force to make the cone drill bit impact the ground to drill. Later, it was used in rural China for a long time. It was not...
Working principle
Rock drills work according to the principle of impact crushing. During operation, the piston undergoes high-frequency reciprocating motion, continuously impacting the drill tail...
Mining is an industry that has historically been crucial for global economic development. From precious metals and minerals to coal and construction materials, mining yields essential commodities...
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Hebei Xianghe Shenli Pneumatic Machinery Co., Ltd. was established in 2005 with a total investment of 50 million yuan and more than 60 employees. It is a pneumat...
The air-leg rock drill relies on compressed air to drive the piston to reciprocate. During the stroke, the piston strikes the shank tail, and during the return stroke, the piston drives the drill t...
On the morning of August 23, the State Council Information Office held a press conference. Minister of Commerce Wang Wentao, Vice Minister and Deputy Representative of International Trade Negotiati...