used mini micro tunneling tunnel boring machine sale price KDJ-200
used mini micro tunneling tunnel boring machine sale price KDJ-200
1. Equipment Show:
2. Technical Specification:
Drilling method | Drilling with diamond bit or PDC bit, air DTH |
Drilling depth in theory | 200m(50 drill rod, final hole dia.65);160m(60 drill rod, final hole dia. 91); 120m (73 drill rod, final hole dia.115) |
Drill rod size | 50,60,73 drill rod;length 1200 mm(including coupling) |
Stroke of top-head | 1400 mm |
Feed/feed back speed of top-head | 0~0.168 / 0~0.344 m/s |
Power unit in standard | YD180L-8/4 electric motor(11kW 750 r/min;17kW 1500 r/ min) |
Output torque of top-head | forward:1376;840;507;366;287;404;315;221N·m reverse:1450;906N·m |
Rotation speed of top-head | forward 76;152;204;257;366;401;514;732r/min reverse 64;129r/min |
Rated pressure | 12MPa |
Dimension | 1900×1510×2580 mm(vertical) ;2555×1510×1110 mm(horizontal) |
Angle range | 0°~360° (when drilling vertically, electric motor must be turn reversely, oil pump And top-head need to turn in opposite direction |
weight | whole drill rig:1200kg(excluding power unit) |
3. Application and Feature:
mainly used for drainage, support and penetration-proof in tunnel for hydro-power station, highway, railway and coal mining, also in treatment disaster of dangerous rock and hillside and water well drilling as well, It is mainly suitable for drilling hard rock with diamond and PDC bit, and DTH drilling as well.
1. Mast with top-head, top-head driven by mechanical transmission;
2. Hydraulic cylinder make the top-head feed or feed back. Long feed stroke, drilling reliably;
3. The angle range of mast is adjusted by oil cylinder, good detachability, easy to maintain.
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