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SR220C rotary table drilling rig
SR220C rotary table drilling rig

SR220C rotary table drilling rig 1.5-level anti-vibration technology 2.The special lubricating system

SR220C rotary table drilling rig


1  5-level anti-vibration technology absorbs drilling vibrational frequency all- directionally to guarantee high stability;2  The special lubricating system makes sure that it can work in hightemperature environment. Rotary drive is available in three drillingmodes---standard, low speed and big torque or high speed and small torque; spin-off is optional;3  The removable key of rotary drive and symmetry structure design double its service life;4  The main winch has highlights of touch-bottom protection, priority control and fast line speed;5  Crowd cylinder has two operation modes---normal lifting and fast lifting to improve push efficiency;6  Mast features automatic erecting, lying and vertical adjustment to ensure the accuracy requirements in construction;7  Balance control system of the whole machine is available.

Max.drilling dia.800mm
Max.extraction force400kN
Max.output torque150 kN·m
Main winch max.line pull(1st layer)150 kN

SR220C rotary table drilling rig

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