Under the limitation of rockets carrying capacity, the rated torque and power offered by drilling rigs, Therefore, the optimizations of auger driller’s structure size and drilling parameters are necessary to realize deep lunar coring drilling under qualified condition.
Study results indicate that the bit inner diameter is determined by target sampling mass and the density of drilling objects.
Outer diameters of the bit and the helical blades are determined by the required power and torque for auger driller’srestart from its state buried