Product Name: Dfj-2W50 Double Boom Used Coal Mine Tunnel Boring Drilling Machine Model NO.: DFJ-2W50 Drilling Way: Rotary Bit Type: Diamond Bit Drill Hole Depth: 3405/4625mm Drill Hole Diameter: 36~102mm Motor: Electric Condition: New Certification: SGS Weight: 19000kgs Warranty: 1 Year Drill Boom: Double Adaptable Section(Bxh): 3.5X3.5~8.87X6mm Hydraulic Oil Tank: 300L Drilling Speed: 0.8~2m/Min Drill Rod Length: 3700-Standard/4920mm Jack Drill Model: Hc50 (Standard)/Hc109(Option) Trademark: DEFY Transport Package: Strandard Packing Specification: 12440x1990x2960/2260 Origin: China Henan Product Description DFJ-2W50 Double Boom used coal mine tunnel boring drilling machineDFJ-2W50 Double Boom used coal mine tunnel boring drilling machine is specially designed for underground mining, metallurgy, water electricity, railways, highways, tunnels, culverts narrow mine roadway excavation blasting holes and drill holes.Strature Features1. The work mechanism adopts full hydraulic pressure drive, drilling speed can reach 0.8~2 m/min.2. The engine provides walking power.3. The fuselage is small, compact structure, low center of gravity, flexible, stable work, etc.4. Jumbo drill is not only to improve working safety and also reduce the working strength of laborer and improve work efficiency.ParametersMain ParametersDimension(LxWxH) mm12440x1990x2960/2260Adaptable section(bxh) mm3.5X3.5~8.87X6Borehole diameter mmφ36-φ102Drill rod length mm3700-standard/4920Borehole depth mm3405/4625Drilling speed m/min0.8-2Motor KW2X55Hydraulic oil tank L300Weight kg19000Drill boomJack drill modelHC50 (standard)/HC109(option)Rise and fall20/46Arm swing±55Tilt angle90Stroke mm1350ChassisDiesel engine power HP/KW80/58Turn angle±41Tyre12.0XR20Rear axle swinging Angle±7Approach angle17Min.turning radius mInner >3.5/ outter>6.5Walking speed km/h12Min. ground clearance mm280Brake≤15Fuel tank capcity L60Air supply systemFlow L/min300Working air pressure Mpa0.2~0.8MPaWater supply systemFlow L/min100Working water pressure Mpa0.8~0.8 MPaElectrical systemMotor power KW119Supply voltage V380/660Motor rotation speed r/min1470Do you have interest in ourDFJ-2W50 Double Boom used coal mine tunnel boring drilling machine,if yes, please let me know. Iwill try my best to help you. Hope we can establish relationship with you.Best wishes.Mia ZhangMobile: +86-15238355712