In the trading of second-hand rotary drilling RIGS, "accident machines" often hide many hidden dangers, posing huge risks to subsequent use. Mastering effective troubleshooting techniques for fault history can help buyers avoid traps and purchase reliable equipment.1. Check the fuselage structure. F Read More

Although second-hand rotary drilling RIGS are second-hand equipment, their working principle is the same as that of new machines. Relying on the coordination of mechanical transmission and hydraulic power, they efficiently complete the foundation construction process from drilling to pile formation. Read More

There are numerous models of second-hand rotary drilling RIGS, and different models correspond to different construction requirements. Choosing the right model can significantly enhance efficiency, while choosing the wrong one may lead to resource waste. The following is an analysis of model differe Read More

To determine the "age" of a second-hand rotary drilling rig, it is not only necessary to look at the factory time, but also to combine the actual usage marks. Accurately identifying the service life can help you avoid severely aged equipment. The following six methods can be used as references:1. Ch Read More

As the "underground vanguard" in engineering construction, the performance of rotary drilling RIGS directly affects the construction efficiency and cost. Many people are torn between second-hand equipment and new ones when making a purchase. The difference between the two is far more than just the p Read More