The YT28 Air-Leg Rock Drill is designed with modern rock drilling technology. Compared with similar products, it features high efficiency, low noise, light weight, and excellent cost-effectiveness. Proven in long-term mining operations, the YT28 is known for superior performance, reliable operation, and easy maintenance, making it a popular and highly efficient rock drilling equipment among users.
This manual introduces the performance, working principle, operation, and maintenance precautions of the YT28, helping users understand and use the machine correctly to achieve its optimal performance.
If you encounter any issues with the structure, performance, or quality of the machine during use, please provide your feedback so we can better serve you.
Product Compliance Standards:
JB/T1674-1994 "Air-Leg Rock Drills"
MT/903-2002 "General Technical Conditions for Pneumatic Rock Drills for Coal Mines"
Specification: YT28
Machine Weight: ≈26 kg
Machine Length: 661 mm
Cylinder Diameter: 80 mm
Piston Stroke: 60 mm
Working Pressure: 0.4 / 0.5 / 0.63 MPa
Impact Frequency: ≥28 / ≥35 / ≥36 Hz
Air Consumption: ≤52 / ≤58 / ≤82 L/s
Impact Energy: ≥44 / ≥63 / ≥70 J
Torque: ≥15 / ≥19 / ≥23 N·m
Rotation Speed: ≥250 / ≥260 / ≥300 RPM
Drilling Speed: ≥250 / ≥400 / ≥470 mm/min
Noise Level: ≤124 / ≤125 / ≤127 dB(A)
Average Drilling Length Before First Failure: ≥400 m
Drilling Depth Without Disassembly: ≥300 m
Air Hose Inner Diameter: 25 mm
Water Hose Inner Diameter: 13 mm
Drill Bit Diameter: Φ34~42 mm
Shank Adapter Size: 22×108+1 mm
FT160BD Air Leg (Short Type)
Air Leg Length: 1400 mm
Feed Stroke: 965 mm
Cylinder Inner Diameter: 65 mm
Weight: ≈14.4 kg
FT160BC Air Leg (Long Type)
Air Leg Length: 1800 mm
Feed Stroke: 1365 mm
Cylinder Inner Diameter: 65 mm
Weight: ≈16.9 kg
FY200B or FY200C Oiler
Oil Capacity: 200 ml
Weight: 1.02 kg