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 main pump of a rotary drilling rig, as a core component of second-hand equipment, its performance directly affects the overall operational efficiency of the machine. The following is a popular science introduction from the key aspects of the main pump to help you understand its performance judgm 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 engine is the "heart" of a second-hand rotary drilling rig, and its operating conditions directly determine the power performance and usage cost of the equipment. Mastering the three-step method of "listening, observing and measuring" can help you quickly determine the true condition of the engi Read More

In the trading of second-hand rotary drilling RIGS, "hours" are often used as a reference to measure equipment wear and tear, but some merchants may tamper with the data. Learning to distinguish its authenticity is the key to avoiding falling into a trap.1. Compare equipment wear: If the hour displa Read More