The CI-CMC-HG method utilizes a high-torque inverter motor with twice the torque of the regular auger motor, to upgrade driving capability and make application possible in gravel ground with N value exceeding 50.


The CI-CMC-HG method utilizes a high-torque inverter motor with twice the torque of the regular auger motor, to upgrade driving capability and make application possible in gravel ground with N value exceeding 50.