Views: 0 Author: Site Editor Publish Time: 2026-02-25 Origin: Site
As a core pile-driving equipment in infrastructure engineering, the auger drill is widely used in projects such as high-rise buildings and bridges due to its advantages of efficient hole-making and environmental friendliness and convenience. For beginners, when purchasing, there is no need to blindly pursue high-end configurations. By accurately grasping core parameters and avoiding common pitfalls, one can select equipment that meets the needs with high cost-performance, thus avoiding delays and losses in later stages.
### Three Core Parameters Beginners Must Understand (Concise Edition)
Core parameters directly determine the equipment's adaptability and construction efficiency. Beginners only need to focus on three key points without getting bogged down in complicated data. First is torque, which serves as the drill's 'core power' and directly determines the drilling capability. For conventional soil layers such as soft soil and sand, a model with 160-200kN·m torque is sufficient; for hard rock and ultra-deep piles, a model with over 300kN·m torque is required. It is important to note to avoid torque overstatement by manufacturers, and priority should be given to brands with transparent parameters.
Secondly, the drill rod and hole-forming capacity. Drill rods are divided into friction-type drill rods and mechanical-locking drill rods. For medium and shallow piles (＜50m), friction-type drill rods are chosen for their convenient assembly and disassembly; for deep piles (＞60m) or hard formations, mechanical-locking drill rods are selected for their stronger torque transmission. The hole-forming capacity needs to match the engineering requirements. For conventional residential and municipal projects, a maximum drilling diameter of 1.8-2.5m and a drilling depth of less than 80m are sufficient; for large-scale projects such as bridges, the specifications can be appropriately upgraded.
Finally, the power system and chassis. The power system should prioritize diesel engines with National IV or higher emission standards, which offer better energy efficiency and environmental performance. Electric models can also be chosen according to the needs of urban engineering projects. The chassis should preferably be tracked, as it has a small ground pressure and flexible mobility, adapting to complex construction sites. Stability directly affects the accuracy of hole formation.
###2、 4 major pitfalls that beginners must avoid when choosing
Trap 1: Blindly pursuing "high configuration". Novices are prone to the misconception that "higher configuration is better", but in reality, the configuration needs to match the engineering scenario. For example, small municipal projects do not need to choose ultra deep drilling or hard rock specialized models. Excess configuration will only increase procurement costs and maintenance burden in the later stage. The key is to select according to demand.
Trap 2: Neglecting the quality of core components. Some manufacturers, in order to lower prices, use inferior core components such as drill rods and hydraulic parts, which can lead to problems such as drill rod wear and hydraulic leakage in the later stage, resulting in wasted work and money. When making a purchase, it is important to pay attention to the material of the core components and prioritize the use of self-developed core components or models from well-known brands.
Trap 3: Trusting low prices and neglecting after-sales service. Low priced equipment often suffers from problems such as parameter mislabeling and cutting corners, and more importantly, there is no guarantee of after-sales service. If the equipment malfunctions, it cannot be repaired in a timely manner, which will seriously affect the construction progress. Priority should be given to brands with good reputation and well-established after-sales service outlets, and the warranty period and repair response time should be clearly defined.
Trap 4: Skip the testing phase. Novices tend to place orders directly when making purchases, ignoring on-site machine testing and unable to intuitively judge the stability, ease of operation, and drilling efficiency of the equipment. When testing the machine, focus on testing torque output, verticality control, and smooth operation to avoid buying equipment with "good paper parameters but poor actual performance".
###3、 Summary of novice purchasing
Novices choosing rotary drilling rigs should focus on "adaptation" rather than "high-end": first clarify the geological conditions, pile diameter, and depth requirements of their own project, and then match the core parameters such as torque and drill pipe accordingly; Avoid the low price trap and prioritize brands with transparent parameters, reliable core components, and comprehensive after-sales service. If necessary, conduct on-site testing. Keeping the above points in mind can effectively reduce the risk of purchasing, truly adapt the equipment to construction needs, improve construction efficiency, and control operating costs.
