Essential Equipment for Blast Hole Drilling Operations
Industrial Status & Blast Hole Drilling Ecosystem
The Global Commercial Landscape for Blast Hole Drilling
In contemporary mining engineering, tunnel excavation, and quarrying operations, blast hole drilling stands as the primary kinetic gateway to controlled rock fragmentation. The global transition toward deeper underground mineral extraction—driven by rising demands for critical energy transition metals such as copper, nickel, lithium, and gold—demands drilling equipment that combines mobility, mechanical resilience, and extreme energy efficiency.
The YT27 Rock Drill For Blast Hole Drilling represents the pinnacle of air-leg pneumatic drilling technology. Engineered specifically for medium to hard rock formations (protodyakonov hardness scale f=8 to 18), the YT27 pneumatic rock drill addresses key operational challenges: minimizing compressed air consumption, reducing downtime through modular component design, and delivering unmatched penetration rates across horizontal, inclined, and vertical blast hole vectors.
High-Impact Mechanical Dynamics
The YT27 air-leg rock drill operates via a precision-balanced valveless or strong-valve air distribution system that transforms compressed air energy into intense percussive kinetic impact paired with robust rotation torque. Featuring a high percussive frequency (≥36 Hz / 2160 impacts per minute), the YT27 drives taper bit heads into solid basalt, granite, or iron ore formations with minimal energy dissipation. Its high stroke energy ensures fast micro-fracturing ahead of the drill bit, preventing bit binding and maximizing penetration velocity.
Advanced Flushing & Dust Control
Blast hole accuracy and drill steel longevity depend directly on immediate cutting removal. The YT27 incorporates a centralized strong water-flushing mechanism synchronized with its air supply valve. By forcing high-pressure water through the hollow drill steel directly to the cutting face, pulverized rock particles are instantly converted into slurry and expelled. This prevents double-crushing of cuttings, significantly extends bit lifespan, and maintains compliance with modern subterranean health and safety standards by suppressing harmful silica dust.
Deep-Dive Application Scenarios in Blast Hole Drilling
The operational versatility of the YT27 Rock Drill enables seamless deployment across diverse geological conditions and heavy industrial job sites:
- Underground Drift Development & Bench Stoping: Perfect for drilling blast patterns in narrow-vein underground stopes where massive mechanised drill jumbos cannot maneuver. Paired with FT160A or FT160B pneumatic air-legs, operators achieve exact hole parallelism and variable height reaching.
- Tunneling & Hydropower Civil Engineering: Essential for perimeter contour drilling (smooth blasting), face advance holes, and invert excavation in highway, railway, and hydroelectric diversion tunnels.
- Open-Pit Quarrying & Secondary Rock Fracturing: Used for primary blast hole arrays on quarry benches as well as toe-hole drilling to clear bench bottoms and eliminate uneven rock toes prior to primary bench blasts.
- Slope Stabilization & Anchoring: Deployed on high, steep rock cuts for drilling deep rock bolt anchor holes, enabling safer infrastructure construction along mountainous transport corridors.
Company Profile
SHENLI is a leading supplier of superior pneumatic tools for the construction, mining and industrial markets. Since 2005, the Shenley brand has been synonymous with quality and innovation.
For over a decade, the SHENLI brand has represented performance, innovation and quality in the pneumatic tool industry. The SHENLI product line now offers a complete line of pneumatic tools, a wholly owned factory, pneumatic tools and a full line of accessories. With superior product performance, as well as superior product and reliability, competitive pricing for factory direct sellers, exceptionally ergonomically designed tools and quality warranty terms, Shenley has become an industry leader. We take every customer's problem seriously so that we can solve our common problems, and choosing Shenley is just the beginning for you. SHENLI will provide reliable service and support through every step of the process from product consultation to final delivery.
Company Mission & Vision
Striving to be a world-class supplier of rock drill
Adhering to the development experience of pneumatic tools for many years, Shenli takes "customer first, service first" as the spirit of enterprise, and "strive to become the world's first-class rock drill provider" as the vision, constantly innovate technology, strive for perfection, and open up a broader market for customers.
Corporate Culture
- More attentive: Work together, keep improving
- More Focused: With sincerity, you can achieve anything.
- More thoughtful: Customer first, service first
- Dare to innovate: Keeping up with the times and forging ahead
Factory Tour & Advanced Production
Raw materials: All materials are sourced from domestic and international well-known suppliers, and the quality is free from any flaws.
Processing: We have all precision machining production lines, including high-precision CNC lathes, and multi-axis CNC milling machines. Machine tools are from well-known brands, and online quality assurance is performed at every step.
Heat treatment: All heat treatment activities are carried out in a sealed quench furnace with facilities including but not limited to carburizing, nitriding, volume quenching, annealing, and tempering.
Grind: We have world-class grinding equipment that is capable of maintaining dimensions to within 3 microns. The grinding line includes state-of-the-art equipment including universal CNC grinding machines, cylindrical CNC grinding machines with process gauges, CNC internal diameter grinding machines, and universal CNC grinding machines.
Surface treatment: We offer a range of surface treatment options painting and other processes. These processes increase the service life of the tools and provide them with an appearance that meets the customer's requirements.
Assembly & Commissioning: Assembly and testing are carried out by our dedicated team on custom-built assembly platforms and test machines. Each assembled rock drill is tested for torque, BPM, and air consumption. After successful testing, each machine receives a test certificate to ensure its quality.
Quality Control & Certifications
Strict Quality Standards
- Customer satisfaction is achieved through the provision of 'zero defect' products and timely delivery.
- Ensuring an orderly programme.
- Increased production efficiency through the latest technology and equipment.
- The company provides regular training to its employees in accordance with the defined objectives, training needs and requirements.
Shenli is ISO 9001:2015 certified. We strive to constantly monitor and improve our processes to ensure the highest quality products. Experienced quality inspectors use a variety of precision instruments and special gauges to test the dimensional and functional performance of all components. Regular internal and external quality audits are carried out to continuously improve quality.
CE certification is a mandatory conformity mark for certain products sold within the European Economic Area (EEA). CE stands for "Conformité Européenne" which translates to "European Conformity." The CE mark certifies that a product has met EU consumer safety, health or environmental requirements. CE certification also allows manufacturers to freely circulate their products within the EEA. ISO 9001:2015 is an international quality management system (QMS) standard that outlines requirements for a quality management system. The standard is designed to help organizations ensure they meet customer and regulatory requirements. Our factory has been ISO 9001:2015 certified since 2015, and all of our products are CE certified. This ensures that our products meet high standards of quality and safety, and that they can be freely circulated within the EU. CE certification and ISO 9001:2015 certification are just two of the ways we ensure that our products are of the highest quality.
Global Client Cooperation & Project Cases
Dutch Clients — Custom Order for 500 Blast Hole Drilling Units
The Dutch customer came to our factory and was satisfied with the production equipment, raw materials as well as advanced processes that we have in place. The client then signed a custom order for 500 units after being shown all of these great things about what is possible here at this facility! They hope long-term cooperation can occur between both parties moving forward since they are happy overall from their visit today.
U.S. Customers — Strategic Strategic Partnership for Mining Equipment
The American customer visits our factory and has an in-depth negotiation to reach a long-term cooperation relationship for ongoing infrastructure and mining blast hole drilling tool distribution across North America.
Japanese Customers — Precision Joint Design & Engineering Synergy
The Japanese customer was very satisfied with the factory equipment and production process. He also proposed that they work together on design, which would give them an edge over their competitors who do not have this partnership!
India Customers — Long-Term Mining Procurement & Assembly Line Audit
We are delighted that Indian customers have visited our factory to learn more about ISO 9001 certification, which opens up new opportunities for us to collaborate. We explained in detail which parts go to which products, and how many different assembly lines there are, and we all understood. He is looking forward to working with us. This is our first cooperation, and we still maintain a cooperative relationship.
Featured Pneumatic Breaker: TS11 Series
TS11 Pneumatic Breaker Light Duty Pneumatic Breaker Mining Jack Hammer for Quarry Rock Breaking
Short Description: SHENLI TS11 pneumatic pick is a professional light duty pneumatic breaker with application range similar to TCD20. Designed mainly for mining and quarry rock breaking this jack hammer delivers stable performance and lower operation costs with complete spare parts support and flexible packaging options.
We solve the core overseas customer concern of spare parts shortage and delayed replacement. We provide full set original accessories for this pneumatic breaker including chisels pistons valve assemblies return springs sealing rings and positioning pins. All wearing parts are sufficiently stocked all year round. All accessories adopt unified standard specifications with strong universality and interchangeability. Customers can purchase single parts or complete wearing part sets without minimum order limit for accessories. Fast independent accessory delivery ensures quick on site equipment maintenance and avoids construction shutdown losses.
Working Application Scenarios
1. Municipal Road Maintenance Works: Used for breaking damaged asphalt roads, cracked concrete pavement, old road curbs and road base residues. It is the main tool for daily road rush repair and road renovation projects, fast breaking and high efficiency.
2. Building Renovation & Demolition Works: Suitable for indoor and outdoor partial demolition of old buildings, breaking concrete walls, floor slabs and building foundations. Flexible operation in narrow spaces where large machinery cannot work.
3. Open-pit Mining & Quarry Works: Used for trimming rock faces, breaking loose ore blocks, cleaning piled rock waste and secondary crushing of large rocks, ensuring smooth mining operation.
4. Tunnel & Civil Engineering Works: Auxiliary breaking and trimming inside the tunnel, removing protruding rock bodies and construction waste to keep tunnel surfaces flat.
Main Parameters of Air Pick & Drilling Products
| Parameter / Model Name | tca-7 | tcd-20 | ts11 | tpb-40 | tpb-60 | tpb-90 |
|---|---|---|---|---|---|---|
| Piston diameter | 35mm | 42.85mm | 38mm | 44mm | 57.15mm | 66.67mm |
| Piston stroke | 120mm | 60mm | 135mm | 146mm | 100mm | 152mm |
| Percussive frequency | 1250 B.P.M | 2000 B.P.M | 1630 B.P.M | 1050 B.P.M | 1400 B.P.M | 1400 B.P.M |
| N.W (Weight) | 7.2kg | 10kg | 10.1kg | 18kg | 30kg | 42kg |
| Overall Length | 465MM | 520MM | 600MM | 660MM | 645MM | 723MM |
| Air consumption | 1.0 m³/min | 1.1 m³/min | 19 L/S | 1.6 m³/min | 2.0 m³/min | 2.2 m³/min |
| Tracheal diameter | 19mm | 19mm | Inlet 12mm | 19mm | 19mm | 19mm |
| Bit head size | R26*80 | R26*80 | R22*82.5 | R25*108 | R32*152 | R32*152 |
Complete Mining & Blast Hole Drilling Product Line
