三一重工SR405R-WK旋挖钻具有以下优点：1. 强大的动力系统：配备了功率高、动力强的发动机，可以提供稳定的动力输出，确保钻机的高效工作。2. 超强的钻进能力：钻机具有较大的钻进力和钻进扭矩，能够应对各种地质条件下的钻孔作业，钻孔效率高。3. 稳定的工作平台：钻机采用了稳固的底盘设计，具有较高的稳定性和平衡性，确保在不同地形条件下的稳定工作。4. 智能化控制系统：钻机配备了先进的智能控制系统，实现了自动化操作和远程监控，操作简单方便，提高工作效率。5. 多功能性设计：钻机具有多种工作模式选择，可以适应不同的施工需求，包括旋挖、钻插桩、大直径钻孔等。6. 质量可靠性高：钻机采用高质量的材料和先进的制造工艺，具有较高的可靠性和耐久性，能够在恶劣工况下稳定运行。

Sany SR405R-WK rotary drilling rig has the following advantages:1. Powerful power system: equipped with a high power and strong engine, it can provide stable power output to ensure the efficient work of the drilling rig.2. Superior drilling capacity: the drilling rig has a large drilling force and drilling torque, which is able to cope with drilling operations under various geological conditions with high drilling efficiency.3. Stable working platform: The drilling rig adopts a solid chassis design with high stability and balance, ensuring stable work under different terrain conditions.4. Intelligent control system: the drilling rig is equipped with an advanced intelligent control system, realizing automated operation and remote monitoring, which is simple and convenient to operate and improves the working efficiency.5. Versatile design: the drilling rig has a wide range of working modes to choose from, which can be adapted to different construction needs, including rotary excavation, drilling insertion piles, drilling and drilling of piles, and drilling of piles. Including rotary excavation, drilling and inserting piles, large diameter drilling, etc. 6. High quality and reliability: the drilling rig adopts high-quality materials and advanced manufacturing technology, which has high reliability and durability, and is able to operate stably under poor working conditions.