SR 200C Rotary Drilling Rig SR 200C Rotary Drilling Rig ·Machine with Max. Drilling depth of 60 m and Max. hole diameter of 1800mm could satisfy most engineering construction requirements. ·The air intercooling diesel motor (Isuzu Japan) gains such advantages as low-noise, less vibration, high-efficiency, environment-friendly and energy-saving, waste discharge meets the standard of Stage II&Tier2. ·Based on embedded system with core of work mechanism controller and perfect CAN-BUS technique, It takes full charge of overall machine monitoring. ·Chassis adopts expansion track structure and low gravitational center，counterweight backward design, which provide excellent stability of drilling rig. ·Parallelogram amplitude variation mechanism is adopted to ensure correct positioning of drill as well as mast perpendicularity. Thereby more dependable drill working is implemented. ·Key parts such as Oil Pump, Hydraulic Motor, Reductor, Hydraulic valve series, Oil Pipe and Joints are introduced in well-known brand to assure high reliability of system. ·A variety of assistance devices such as diaphragm wall grab can be fixed to extend the function of the rig.. Item Unit SR200C Max. output torque kN.m 200 Drilling speed rpm 7～30 Max. push kN 150 Max. pull kN 200 Stroke of crowd system mm 4300 Mast sidewards ° ±3 Mast forwards ° 5 Max work gradients ° 5 Security angle ° 　 Engine manufacturer 　 Isuzu Japan Main winch pull（1st layer） kN 200 kN(44960lbf) Main winch rope diameter mm 28 Main winch pull speed m/min 72 Auxiliary winch pull（1st layer） kN 76 Auxiliary winch rope diameter mm 20 Auxiliary winch pull speed m/min 79 Max. drilling depth m 60 Max. drilling diameter mm 1800 Working width mm 4000 Transport width mm 3000 Transport height mm 3400 Working height mm 19550 Width of crawler mm 700 Traction power kN 360 Standard Kelly bar 　 ZG22M513Ⅱ（Φ440） Kelly bar available 　 ZG22M513（Φ440） 　 ZG22J413（Φ440） Max.total weight t 60

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