YSP45 Stoper Drill
●Heavy-Duty Durable Material: Core components undergo stringent heat treatment processes to ensure no deformation occurs in harsh environments.
●60°-90° Precise Operation: Specifically designed for upward angle drilling, making it an ideal choice for raise boring, stope drilling, and anchor bolt installation.
●Exceptional Thrust Control: Equipped with a high-sensitivity air-leg control valve to provide stable propulsion force and reduce drill bit wear.
●Two-Way Lubrication System: Comes standard with an FY500 oil feeder, ensuring full lubrication for internal pistons and rotating components during high-intensity operation.
●Lan Wisdom Quality Assurance: Backed by 50 years of rock drill manufacturing experience, every YSP45 unit undergoes a 100% full-load factory test.
Introduction:
The YSP45 Stoper Drill is a high-performance, pneumatic upward rock drill designed for demanding underground mining conditions. At Lan Wisdom, we understand the harsh realities of underground mining, which is why the YSP45 was engineered with a specific focus on fatigue resistance and high wear durability.This equipment operates on a pneumatic reciprocating principle, where a piston impacts the drill steel to break rock . Its integrated design, which combines the air leg with the main body, allows the operator to easily perform raise driving and stope drilling operations at angles between 60° and 90° . The core components are constructed from high-grade materials treated with vacuum quenching processes, enabling the YSP45 to maintain a stable penetration rate even when facing hard rock with a hardness of f=8-18.Choosing the Lan Wisdom YSP45 means opting for lower operating costs and enhanced safety for underground operations.
YSP45 Stoper Drill Specifications ：
|
Weight |
kg |
45 |
||
|
Length |
mm |
1500 |
||
|
Bore × Stroke |
mm |
95×47 |
||
|
Air pressure |
MPa |
0.4 |
0.5 |
0.63 |
|
Impact frequency |
Hz |
≥36 |
≥42 |
≥45 |
|
Air consumption* |
L/s |
≤92 |
≤100 |
≤113 |
|
Impact Energy |
J |
≥52 |
≥68 |
≥75 |
|
Rotation Torque |
N·m |
≥12 |
≥18 |
≥32 |
|
Rod Rotation Speed |
rpm |
≥230 |
≥350 |
≥375 |
|
Drilling Speed |
mm/min |
≥300 |
≥410 |
≥500 |
|
Noise |
dB(Lw) |
≤132 |
||
|
Mean Meters Before First Failure |
m |
≥250 |
||
|
Non-disassembly Drilling Depth |
m |
≥200 |
||
|
Drilling depth |
m |
6 |
||
|
Air hose size |
mm |
Φ25 |
||
|
Water hose size |
mm |
Φ13 |
||
|
Propelling Stroke |
mm |
720 |
||
|
Bore dia. |
mm |
Φ 34~Φ 42 |
||
|
Shank size(Hex.×L) |
mm |
22*108±1 |
||
FY500 Line Oiler Specifications
|
Capacity |
ml |
500 |
|
Weight |
kg |
2.5 |
Product feature and application
Features ：
Superior Structural Integrity: Core components of the YSP45 are manufactured using a special quenched forged steel process and undergo precision machining. This material selection ensures components maintain precise fit and prevents gas leaks or bursting caused by metal fatigue, even under peak air pressure of 0.63 MPa.
Precise Thrust Control System: The air leg is crafted from seamless steel tubes through precision grinding. Paired with a high-sensitivity pressure regulating valve, it allows operators to finely adjust the thrust based on rock hardness, ensuring the drill bit remains in the optimal cutting position.
Application：
The YSP45 Stoper Drill is a robust and efficient pneumatic rock drill specifically designed for vertical or inclined upward drilling operations. Its primary application areas include:
• Metal and Nonmetal Mining: Used for raise driving and production stoping.
• Tunnel and Transportation Engineering: Used for rock bolt reinforcement and drainage hole drilling in tunnel arches.
• National Defense and Civil Air Defense Engineering: Suitable for upward-inclined drilling of protective piles and reinforcement works.
• Quarries: Used for overhead drilling in large rock masses to meet blasting requirements.
Production details
Exhaust Muffling System: Incorporates an optimized exhaust flow path design that effectively reduces high-frequency noise exposure for the operator while maintaining power output.
Precision-Ground Piston: The piston is precision-ground to IT6-IT7 tolerance grades, minimizing internal air leakage and improving compressed air utilization efficiency.
Rear Cover Control: Features a centralized operating handle that integrates start-up, shutdown, and air-leg lifting functions, allowing one-handed control.
Why choose us
Three Core Reasons to Choose the YSP45 Stoper Drill
1.Rigorous Quality Control: Each unit undergoes seismic damping tests, metallurgical composition analysis, and an 8-hour continuous simulated load operation to ensure durability and performance under demanding conditions.
2.Worry-Free Delivery: Backed by an annual production capacity of 120,000 units, Lan Wisdom guarantees readily available stock for standard models and can adjust production schedules within 72 hours to meet specific customer requirements .
3.Professional Technical Support: We provide more than just equipment; our support includes comprehensive underground troubleshooting consultation and tailored drilling solutions to maximize operational efficiency.
YSP45 Stoper Drill Section Drawing
FAQ
Q: What are the reasons for the reduced rock drilling speed of the YSP45 Stoper Drill?
A: 1. Low Working Air Pressure
(1) Check if the air pipeline exceeds the rated load. If overloaded, reduce the number of machines operating simultaneously or other air-consuming operations. Ensure working air pressure remains above 0.4 MPa.
(2) Eliminate pipeline leaks and check if the air path diameter or valve switch specifications are too small.
(3) The air delivery hose should not exceed 25 meters in total length.
2. Excessive Thrust of the Air Leg
Turn the pressure regulating valve clockwise to reduce thrust.
3. Poor Lubrication
(1) Check if the oiler lacks oil.
(2) Replace lubricating oil promptly if it is too thin, too thick, or contaminated, following specified standards.
(3) If the oiler's small holes are clogged, clean them and blow air through all oil passages.
4. Insufficient Thrust of the Air Leg, Inflexible Extension/Retraction, Machine Jumping Backwards
(1) Turn the pressure regulating valve counterclockwise to increase thrust. Replace the expansion ring if worn.
(2) Check for loose connections or air leaks between the air leg and the machine, and inspect the handle vent valve for leaks.
(3) Check if seals inside the air leg are loose due to vibration or worn out.
(4) Remove debris inside the air leg.
(5) Check for blockages in the pressure valve's holes or grooves, and assess if the flange is too worn to regulate pressure effectively.
5. Wear of Main Parts
(1) If the cylinder and piston mating surfaces are scratched, polish them with an oilstone.
(2) Replace the air distribution valve if worn.
(3) Replace main parts (piston, spiral rod, spiral nut, ratchet pawl, drive nut, shank adapter, etc.) if they exceed wear limits.
6. Water Backflow at Machine Head, "Hammer Washing" Phenomenon Disrupting Lubrication
(1) Replace the water needle immediately if broken.
(2) Replace the drill steel if its center hole is blocked or too small.
(3) Ensure the water needle hole diameter does not exceed 3 mm to prevent water pressure loss.
(4) If water pressure exceeds air pressure, allowing water to enter the machine, take steps to reduce water pressure promptly.
(5) If the water injection system fails, allowing air-water mixture into the machine, repair it immediately.
(6) If blow cleaning fails due to a blocked air needle or mispositioned rubber gasket, repair it immediately.
7. Ice Formation on Silencer Cover
Remove ice buildup inside the cover and at the exhaust outlet.
8. Substandard Drill Steel Quality
(1) If the drill steel shank length does not meet requirements (excessive deviation), use qualified drill steel.
(2) Straighten severely bent drill steel.
Q: What are the reasons and solutions for the poor starting of the YSP45 stoper rock drill?
A: Lubricating oil is too thick or excessive
Appropriately adjust the concentration and dosage of the lubricating oil.
Valve and valve sleeve are severely worn
Replace the worn parts.
Water backflow at the machine head
Refer to Issue 1 to identify the cause and eliminate it promptly.
Excessive thrust of the air leg
Adjust the pressure regulator valve to reduce the thrust of the air leg.
Q: What are the causes of the air-water linkage failure in the YSP45 Stoper Drill and how to resolve it?
A: Excessive water pressure
Measures should be taken to reduce the water pressure.
Blockage of air and water passage holes
The small holes should be drilled through.
Corrosion of parts inside the water injection valve body
Clean and remove rust.
Wear at the end of the water injection valve
Replace the part.
Damage to air-tight and water-tight sealing rings
Replace the parts.
Q: What are the causes of the water needle breakage in the YSP45 Stoper Drill and how to fix it?
A: Piston small end mushrooming, shank center hole misaligned
Replace with new piston and drill steel, or repair.
Excessive clearance between shank and shank sleeve
Replace the shank sleeve if the across-flats dimension of its hexagon is worn down to 25 mm. Otherwise, it is not only easy to break the water needle but also likely to damage the piston and drill steel.
Water needle too long
Correct the length of the water needle.
Shank central hole too shallow
It should be manufactured according to the shank production drawing.
Q: What are the causes of severe drill rod breakage in the YSP45 Stoper Drill and how to resolve it?
A: Excessive pipeline air pressure
Take pressure reduction measures.
Bent drill rod
Straighten the drill rod.
Heat treatment cracks on the shank
Improve the shank manufacturing process.
Transition fillet of the shank boss is too small
Manufacture the shank according to the drawing requirements.
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