Special type drilling rig Special type drilling rig includes fast moving drilling rig, super single drilling rigcluster well pad drilling rig, heli-portable drilling rig.
NEMA 8micro stepper motorStep Angle 0.9°/1.8°(0.6°/1.2°)Step Angle Ettor 5% Temperature rise 80°C Max Service Environment Temperature -20°C~+50°CService Environment Humidity <85%RH Insulation Resistance 100MΩ Min 500VDCInsulation Dielectric Strength 600V