3115316500 , 3115 3165 00 EXTRACTOR PISTON ATLAS COPCO

(OEM precision hydraulic piston engineered for Atlas Copco rock drill systems , distributed globally by 3GEN Export with 5-day delivery)

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Overview

The 3115316500 , 3115 3165 00 EXTRACTOR PISTON ATLAS COPCO is a critical motion-transfer component designed for use in Atlas Copco hydraulic rock drills. This piston is responsible for converting hydraulic energy into linear mechanical motion during extraction and retraction cycles, ensuring smooth operation and consistent force delivery under high-pressure drilling conditions.

Manufactured from high-grade, wear-resistant alloy steel and precision-finished to OEM tolerances, the extractor piston maintains tight clearances and exceptional strength even under the extreme impact, vibration, and temperature fluctuations typical of underground and surface drilling environments.

Supplied by 3GEN Export, this extractor piston is built to deliver dependable performance in mining, quarrying, and tunneling applications worldwide , backed by 3GEN’s commitment to OEM-level quality and global logistics efficiency.

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Function and Role in the Rock Drill Assembly

Within an Atlas Copco drifter, the extractor piston performs a vital role: it translates the hydraulic energy generated by the system into mechanical motion used to drive, retract, or stabilize moving parts of the drill mechanism.

Its main responsibilities include:

• Hydraulic Force Conversion: Converts pressurized oil into controlled linear motion, enabling consistent extraction force across cycles.

• Energy Transfer and Balance: Helps stabilize return movements and prevents hydraulic shock loads from damaging seals or housings.

• Pressure Regulation Support: Works in tandem with sealing systems to maintain internal chamber pressure and prevent fluid bypass.

• Vibration Damping: The piston’s robust mass helps absorb secondary impact loads, reducing vibration transmission to surrounding parts.

Together, these functions enhance drilling precision, protect internal components from premature wear, and ensure the drifter maintains efficient, repeatable impact cycles.

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Design and Material Characteristics

Every 3115316500 , 3115 3165 00 EXTRACTOR PISTON ATLAS COPCO is engineered with meticulous attention to metallurgical quality and dimensional precision:

• Material: High-tensile chromium-molybdenum steel (hardened and tempered).

• Surface Finish: Precision ground and polished to reduce friction and prevent galling.

• Heat Treatment: Induction-hardened exterior surface for wear resistance, with a ductile core to absorb impact.

• Dimensional Tolerance: Machined to within ±0.01 mm for perfect concentricity and oil-film stability.

• Seating Geometry: Optimized for hydraulic sealing rings to ensure zero internal leakage and consistent pressure retention.

• Dual-Coating Zones:

  • Lower section treated with anti-corrosive surface coating.

  • Middle body section micro-shot-peened for enhanced fatigue life.

These attributes enable the extractor piston to maintain operational stability through thousands of high-pressure cycles without dimensional deformation.

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Technical Specifications

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Compatibility

This piston design is compatible with several Atlas Copco rock drills and drifters in the COP and ROC series, such as:

• COP 1638 / 1838 / 1840 / 1850 HD / 2238 / 2560 HD

• ROC D7 / D9 / Boomer 282 / Simba M6 series

• FlexiROC T40 and T45 rigs

Each of these drifters relies on precision-fit pistons for stable extraction performance. The 3115316500 / 3115 3165 00 EXTRACTOR PISTON ATLAS COPCO matches OEM specifications for these models, ensuring a perfect fit without modification.

If required, 3GEN Export provides expert cross-reference support to confirm compatibility with your specific rig configuration.

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Engineering Advantages

1. Superior Hydraulic Efficiency
   The micro-polished surface maintains optimal oil film thickness, minimizing internal friction and heat buildup.

2. Extended Component Life
   The hardened outer shell resists abrasion from contaminants within the hydraulic system, while the core maintains ductility to absorb shock loads.

3. Precision Motion Control
   Tight dimensional tolerances allow for smooth, consistent linear motion , eliminating jerky responses and ensuring accurate feed control.

4. Leak-Proof Design
   Custom-machined sealing grooves guarantee perfect interface with OEM seal kits, preventing oil leakage even under cyclic pressure peaks.

5. Reduced Maintenance Downtime
   Engineered to exceed OEM lifecycle targets, this piston minimizes service interruptions and replacement frequency.

6. Corrosion Resistance
   The dual-layer coating system provides protection against oxidation, moisture, and drilling fluid corrosion in both humid and arid environments.

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Performance in the Field

Operators using Atlas Copco COP-series drills report notable improvements in operational smoothness and durability after replacing worn or substandard pistons with the 3115316500 , 3115 3165 00 EXTRACTOR PISTON ATLAS COPCO from 3GEN Export.

Key observed results include:

• Smoother extraction cycles with lower hydraulic noise.

• Reduced oil temperature during continuous operation.

• Consistent percussion and retraction speed even after long shifts.

• Fewer internal leaks and seal replacements.

By maintaining internal balance and preventing hydraulic pulsation, this extractor piston protects the front housing, piston liner, and valve plate from premature fatigue , resulting in significant maintenance savings over time.

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Installation and Maintenance

Installation Steps:

1. Clean all mating surfaces before assembly to remove hydraulic oil residue or debris.

2. Lubricate seals lightly with clean mineral oil or approved hydraulic fluid.

3. Align piston orientation according to service manual markings (if present).

4. Torque housing bolts evenly to OEM-specified values to ensure correct alignment and prevent scoring.

5. Bleed air from the hydraulic system after installation to maintain pressure consistency.

Maintenance Guidelines:

• Inspect after every 500 operating hours for scoring, discoloration, or pitting.

• Replace seals during every major service cycle.

• Avoid dry-running the drill , hydraulic fluid acts as both lubricant and coolant.

• Flush the system periodically to remove abrasive contaminants.

With these procedures, the 3115316500 , 3115 3165 00 EXTRACTOR PISTON ATLAS COPCO can operate flawlessly for thousands of hours.

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Applications

• Mining and quarry drilling rigs

• Tunneling and underground excavation

• Construction anchoring and bolting systems

• High-frequency percussion units in rock bolters and long-hole drills

Anywhere precision hydraulic motion is required under heavy loads, this extractor piston ensures stable, efficient performance.

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Why Choose 3GEN Export

• OEM-grade assurance: Each piston is manufactured under ISO-certified production standards.

• Global logistics reach: Fast, secure delivery to over 80 countries within 5 business days.

• Technical expertise: 3GEN Export specialists provide personalized support and cross-reference validation.

• Complete inventory: From extractors and bushings to seals, couplings, and guides , all Atlas Copco spares are available from a single source.

• Proven reliability: Thousands of rock-drill operators worldwide trust 3GEN Export for consistent, factory-level quality.

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Summary

The 3115316500 , 3115 3165 00 EXTRACTOR PISTON ATLAS COPCO represents precision engineering at its finest , a compact, high-strength hydraulic component that sustains performance under relentless drilling conditions.

Built from premium alloy steel and machined to micron-level accuracy, it provides superior hydraulic stability, minimizes downtime, and safeguards your drifter from internal wear.

When sourced from 3GEN Export, this piston delivers OEM-level dependability, backed by fast international shipping and expert support , ensuring that your Atlas Copco equipment continues to perform efficiently and profitably.

  Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.