When purchasing a second-hand rotary drilling rig, it is necessary to carefully identify the condition of the equipment to avoid increasing the subsequent usage cost due to hidden problems. The following are the key points that need to be focused on when making a purchase:1. Equipment source and pro Read More

In the field of construction machinery, second-hand rotary drilling RIGS have shown a much higher market popularity in recent years than new ones. This phenomenon is the result of the combined effect of multiple factors such as cost control and market demand. The following analyzes the core reasons Read More

The vertical accuracy of rotary drilling RIGS in pile driving directly affects the quality of pile foundation engineering. Excessive deviation can lead to insufficient bearing capacity or structural hazards. The following six key links from construction preparation to process control introduce pract Read More

Overheating of the hydraulic system of a rotary drilling rig is a common problem during construction. If the cause is not promptly identified, it may affect the performance of the equipment or even lead to malfunctions. The following analyzes the main causes of fever from six aspects:1.Poor quality Read More

Small rotary drilling RIGS need to flexibly adjust their construction methods under different geological conditions to ensure the efficiency and quality of hole formation. For the common stratum characteristics, the following differentiated construction strategies can be adopted:1. Clay/silty clay s Read More