The foundation of high-rise buildings needs to bear huge vertical loads, and has extremely high requirements for the depth, diameter and quality of the drilled holes. The model matching degree and accessory compatibility of second-hand rotary drilling RIGS directly determine the efficiency and safet Read More

Bridge construction has strict requirements for the accuracy, depth and stability of drilling. The drill pipe and drill bit of second-hand rotary drilling RIGS, as core working components, directly affect the quality of hole formation and construction safety. The following six key perspectives are p Read More

The maintenance cost of second-hand rotary drilling RIGS directly affects the cost-effectiveness of equipment usage. The expense is influenced by the age of the equipment, usage frequency, and maintenance standards, mainly covering aspects such as consumable replacement, component inspection, and pr Read More

The electrical system of a second-hand rotary drilling rig is the "nerve center" of the equipment's operation, responsible for controlling power, operation and monitoring functions. Aging of the lines, loose joints or failure of protection can easily cause short circuits, signal interruptions and ot Read More

The low-temperature environment in winter has a significant impact on the performance and lifespan of second-hand rotary drilling RIGS. If not properly maintained, problems such as difficult startup and component freezing damage may occur. Proper anti-freezing and start-up protection not only reduce Read More