Featured Tunneling & Excavation Drilling Equipment
Engineering Strategic Reliability in Mine Tunneling Operations
Advanced Tribology & Wear Mitigation
Subterranean rock drilling subjects pistons, rifle bars, and rotation chucks to dynamic mechanical shock, friction heat, and abrasive dust slurries. Precision heat treatment and micro-alloyed metallurgy protect critical dimensional tolerances and prevent cyclic stress fatigue.
Pneumatic Dynamics & Air Efficiency
Modern mine tunnel projects operate deep underground where compressor energy costs represent substantial operational expenditures. Streamlined air distribution valves and tight clearance bushings ensure maximum dynamic percussive energy transfer with zero unmetered pressure drops.
Zero-Downtime Inventory Architecture
Unplanned drill stoppages freeze tunneling cycles, delaying blasting schedules and mucking routines. Maintaining modular, interchangeable spare assemblies guarantees same-shift turnaround times, eliminating the catastrophic financial ripple effects of tunnel standstill.
The Operational Imperative of Premium Rock Drill Spare Parts in Tunnel Engineering
Civil tunnel construction and underground mining extraction projects represent some of the most unforgiving mechanical environments on earth. Whether excavating hydro-power access galleries, municipal transit bores, or deep-vein gold and copper drifts, the rock drill serves as the tip of the spear. The operational rhythm of the entire excavation cycle—drill, blast, ventilate, muck, and support—hinges entirely on the continuous uptime of drilling machinery. Within this intense operational dynamic, the reliability of rock drill spare parts for mine tunnel projects directly dictates overall advance rates, shift productivity, and operational cost per meter.
In high-intensity underground tunneling, pneumatic rock drills and breakers operate at impact frequencies exceeding 1,200 to 2,000 beats per minute. Each strike sends intense shockwaves through pistons, striking bars, driver chucks, pawls, and drill bits. Components produced without strict dimensional accuracy or sub-surface heat-treating rapidly experience micro-fractures, thread galling, and cylinder scuffing. When inferior aftermarket parts fail prematurely downhole, the financial losses extend far beyond the price of the metal; they manifest as stalled mining crews, idle haulage equipment, and lost contract completion milestones.
Global Market Evolution and Technological Trends in Drill Spare Parts
The underground excavation sector is experiencing fundamental shifts driven by digitalization, mechanization, and demanding safety regulations. Modern mine operators are replacing unpredictable consumable sourcing with certified original equipment-grade components built to withstand extreme compressive strengths of quartzite, granite, and basalt. Key industry trends currently transforming spare parts manufacturing include:
1. Controlled Atmospheric Heat Treating: Leading manufacturers now deploy multi-stage carburizing, carbonitriding, and sub-zero cryogenic quenching. This ensures an ultra-hard wear shell (up to 60-62 HRC) paired with an elastic, shock-absorbing internal ductile core capable of enduring millions of percussive cycles without spalling.
2. Sub-Micron Precision CNC Machining: Tightening machining tolerances down to 3 microns eliminates air bypass in cylinder chambers and valve boxes, yielding higher drilling speeds at lower cubic-meter air volumes, significantly slashing compressor diesel and electrical consumption.
3. Universal Modular Standardization: Mining contractors operate diverse machinery fleets across multiple tunnel headings. Standardizing wear parts—such as pistons, rotation chucks, valve chests, water needles, and rifle nuts—allows simplified mine site warehousing, cross-model interchangeability, and reduced inventory carrying costs.
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 & 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
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.
Factory Tour & Precision Manufacturing Workflow
Premium Raw Materials
All structural steels and alloy billets are sourced exclusively from top-tier domestic and international metallurgical suppliers, ensuring zero structural defects and pure composition.
Precision Multi-Axis Machining
Advanced CNC machining centers, precision lathes, and multi-axis milling units produce highly intricate spare parts with real-time online inspection verifying each process step.
Sealed Quench Heat Treatment
Atmosphere-controlled quench furnaces handle specialized carburizing, nitriding, volume quenching, annealing, and precise tempering to build exceptional toughness.
Sub-3-Micron Grinding Lines
Universal, cylindrical, and internal CNC grinding machinery holding ultra-precise dimensions within 3 microns, ensuring smooth movement and airtight hydraulic/pneumatic interfaces.
Anti-Corrosive Surface Finishes
Electro-chemical passivations, phosphating, and specialized protective industrial coatings maximize resistance against subterranean acid-water rust and harsh humidity.
Rigorous Commissioning & Bench Testing
Every rock drill assembly undergoes automated dyno-testing for percussive torque, blow frequency (BPM), and CFM air efficiency before obtaining certified factory release.
Strict Quality Control & Zero-Defect Protocols
1. Customer satisfaction: Consistently achieved through the provision of 'zero defect' precision products and timely delivery schedules.
2. Traceable program architecture: Ensuring an orderly, auditable manufacturing programme from metallurgical ingot to final drill packaging.
3. Modernized efficiency: Continuously increased production efficiency through the adoption of the latest inspection technology and robotic machining equipment.
4. Continuous qualification: Regular professional skills upgrading provided to technical staff in accordance with stringent ISO quality standards.
Worldwide Compliance, ISO 9001:2015 & CE Marking
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.
Proven Partnership & Worldwide Project Cases
Dutch Clients: 500-Unit Custom Order
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: Long-Term Distribution Alliance
The American customer visits our factory and has an in-depth negotiation to reach a long-term cooperation relationship. Rigorous testing protocols and high-wear metallurgical performance solidified trust for continued commercial distribution across North American excavation ventures.
Japanese Customers: Collaborative Design Engineering
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! Engineering synergy now focuses on high-precision pneumatic tolerances.
India Customers: ISO Audit & Multi-Line Supply Agreement
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.
TS11 Pneumatic Breaker Light Duty Pneumatic Breaker Mining Jack Hammer for Quarry Rock Breaking
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.
Main Parameters of Air Pick & Breaker 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 |
| Net Weight (N.W) | 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 |
Looking for Customized Spare Parts or Bulk Tooling?
Connect with our technical engineers for tailored hardness ratings, customized shank geometry, and direct factory pricing within 30 seconds.
Deep Working Application Scenarios in Subterranean Infrastructure
1. Tunnel Face Heading & Trimming
During drill-and-blast headings, auxiliary pneumatic breakers clear overbreak, scale loose hanging walls, level the invert, and trim peripheral perimeters before shotcrete and arch installation.
2. Deep-Level Underground Mining
Essential for cross-cut preparation, secondary breaking of oversized muck at draw-points, ore-pass chute clearing, and slot drilling where oversized mechanized jumbo rigs cannot maneuver.
3. Heavy Foundation & Civil Demolition
Widely deployed in bridge caisson demolition, underground metro shaft sinking, reinforcement removal, and breaking cracked concrete slabs or asphalt roadbeds during rapid municipal revamps.
Heavy Industrial Rock Drilling & Mining Machinery
