Rotary Drilling Rig  CD856 Series rotary drilling rig is the product of joint cooperation by Shanghai PengPu Machine Building Plant Co. Ltd. And Zhengzhou Chuandao Machinery Co., Ltd. Based on the deep-in studies of the all kinds of rotary drilling rigs and plenty experiment and pratice on them, CD856 possesses the characters of light weight, flexible, pratcial, easy to use and maintain, which make several rewards be won by CD856 from National Science and Technology and the First national technology. Parameter Type CD856 CD856A Drilling diameter mm 600-1600 600-1600 Max.drilling depth mm 56 56 Overall Dimensions Working data mm 16950*3200*6720 17500*3200*6720 Transport data mm 13350*3200*3200 14200*3200*3350 Opearating Weight of total machine kg 38000 39000 Engine Model 　 Cummins 6BT5.9 Cummins 6BT5.9 Rated power kw/rpm 108/2100 108/2100 Type 　 Turbocharged ,direct-injection Turbocharged ,direct-injection Rotary Drive Max.torque kn.m 80 80 Rotation speed  r/min 0-22 0-22 Crowd cylinder Max.push kn 120 120 Max.lift kn 80 80 Max.stroke m 2 2 Main winch Max.line pull kn 120 120 Max.line speed m/min 70 70 Rope diameter mm 24 24 Auxillary winch Max.line pull km 60 60 Max.line speed m/min 50 50 Rope diameter mm 16 16 Hydraulic system Type of hydraulic pump 　 2 plunger variable flowpump + 2 gear pump 2 plunger variable flowpump + 2 gear pump Method of power adjustment 　 Gross power adjustment + Negative flow control  Gross power adjustment + Negative flow control  Main safety valve adjusted pressure 　 300Bar 300Bar Travel axial piston motor 　 2 Varialbe flow axial piston motor 2 Varialbe flow axial piston motor Motor for swing 　 2 Fixed flow axial pistion motor 2 Fixed flow axial pistion motor Chassis Max.travelling speed km/h 3 3 Max.grade ability 40% 40% Min.ground clearance mm 430 430 Width of track shoes mm 800 800 Mast Inclination 　 　 Free adjustment forwards/backwards Free adjustment forwards/backwards Copyright 1999-2007 SHANGHAI PENGPU Limited. All rights reserved Powered by DIYTrade.com  Build your FREE website !