Product Name: Hydraulic Leg Drill Yyt28, Electric Drive Hydraulic Rock Drill Model NO.: YYT28 Type: Electric Drive Hydraulic Pump Drilling Way: Impactor Bit Type: Taper Drill Bit Drill Hole Depth: <10m Drill Hole Diameter: >300mm Condition: New Certification: CE, ISO 9001:2000 Trademark: GoldenMoral Transport Package: Sea Specification: 1.4*2.6*1.1M Origin: China HS Code: 84671900 Product Description YYT28 hydraulic leg drill:its powerful percussion and rotation, low-power, low noise, long life, obvious advantages and so on, is widely used in rock excavation project. YY26 hydraulic rock drill absorb advanced technologies at home and abroad, it also has the unique advantages in the following:(1) The three main functions automatic Control (patent): percussion,rotation,push synchronization. Improve double footage speed, lower more than half power consumption.(2) Through-hole oil motor (patent): no need for mechanical transmission, small size, long life, and great torque.(3) Cooling-water system (patent): all-round cooling machine, blow slag cleanly.(4) Flexible hydraulic legs (patent): single drill leg's energy ; reduce the probability of stick the rod, benefit a smooth operation.(5) Brake-chuck (patent): ensure the drillman safety when the rod tail breaken, the structure lightweight, action flexibility.(6) The pressure lubricating oil chuck bushing (patent): chuck bushing and seclude bushing lubricate directly, reliable and convenient.(7) Complete specifications: a power station with multis-rig, flexible portfolio.Powerful drillingHigh durabilityEasy and safe operationPerfect leg-drill balancePerformance equal to air flushingSpecificationsshankWaterflushingAirflushingWeightkgLengthOverallmmPistonStrokemmPistonDiammOilflowL/ min22×108√√26600243032-35HydraulicPressureMpaImpactEnergyJImpactFrequencyJTorqueNmSpinSpeedr/minDrillingHole diammWaterPressureMpa15-17.555-6555-6050-55250-300φ32-460.1-0.3support legWeightkgLengthmmLengthmm(extended)Feed lengthmmFeed cylinder Diamm12.514002600111047