The hydraulic system is the "power heart" of a second-hand rotary drilling rig, and its performance directly affects the drilling efficiency and operation safety of the equipment. The hydraulic system of second-hand equipment is prone to malfunction due to wear and tear from previous use and aging o Read More

After obtaining a second-hand rotary drilling rig, initial maintenance is a crucial step to avoid hidden faults and extend the equipment's lifespan. Many second-hand devices have problems such as aging components and accumulation of impurities due to storage or idleness. Through scientific initial m Read More

The guide sleeve is a key component of the rotary drilling rig's drill pipe system. Although it may seem insignificant, it has a significant impact on construction accuracy and equipment lifespan. For second-hand equipment, accurately judging the condition of the guide sleeve is an important step to Read More

Among the numerous components of second-hand rotary drilling RIGS, the hydraulic oil filter element may seem insignificant, but it is the "invisible guardian" that ensures the normal operation of the equipment. Although it is a vulnerable part, it directly affects the lifespan and performance of the Read More

The drill bit is the "tooth" of the rotary drilling rig that directly contacts the stratum. Its type selection is closely related to the operation efficiency and the quality of hole formation. Understanding the types of drill bits and key points for second-hand selection can help you control costs w Read More