3128048100, 3128 0481 00 SHAFT ATLAS COPCO

The 3128 0481 00 SHAFT ATLAS COPCO is a precisely engineered transmission component designed to withstand the extreme mechanical forces of hydraulic rock drilling systems. Within Atlas Copco’s drilling assemblies, the shaft plays a central structural and dynamic role: it transfers torque, regulates movement, supports load distribution and safeguards the accuracy of internal kinematic sequences. Built from high-strength alloy steel, machined to microscopic tolerances and hardened for maximum durability, this shaft is designed for the intense cyclic loads that define modern mining, tunneling and construction environments.

The 3128 0481 00 SHAFT ATLAS COPCO is also a critical stability element inside the percussion housing. When a rock drill operates, thousands of high-frequency energy cycles pass through the transmission train every minute. A component that is even slightly misaligned, weak or dimensionally inconsistent can compromise the entire mechanism. This is why this shaft is produced using controlled turning, centerless grinding, induction hardening and multi-stage quality inspection. Every surface, every diameter, and every channel is designed for precision, minimal vibration and long service life.

3GEN Export supplies this part as a high-quality OEM-grade replacement with global dispatch within just 5 working days, ensuring operations can resume with minimal downtime.

Overview of the 3128 0481 00 SHAFT ATLAS COPCO

At the heart of Atlas Copco’s rock drills lies a series of interconnected shafts that coordinate the movement of pistons, bushings, sleeves, couplings and rotation systems. The 3128 0481 00 SHAFT ATLAS COPCO is one of these central mechanical links.

Its purpose can differ slightly based on drill configuration, but in all cases it supports three essential functions:

• Transfer of rotational force

• Absorption and redistribution of axial loads

• Maintenance of internal component alignment

Where many machine parts act in isolation, a shaft interacts continuously with sleeves, couplings, bearings, glands and rotation blocks. This dynamic relationship is why precision is essential. Any dimensional drift—whether through wear, fatigue or thermal expansion—impacts the entire assembly.

The 3128 0481 00 SHAFT ATLAS COPCO is manufactured to solve this exact challenge. Its walls are hardened, its surface is polished, and its internal threads, oil channels and grooves follow a geometry that minimizes friction while preserving lubrication flow. These characteristics collectively enable higher efficiency, cooler operation and longer component lifetimes for the surrounding system.

Key Features of the 3128 0481 00 SHAFT ATLAS COPCO

High-Strength Alloy Steel

This shaft is produced from heat-treated alloy steel—a material chosen for its outstanding tensile strength, resistance to torsional shear and ability to endure massive cyclic stress. Mining and drilling machinery subjects its shafts to repeated loading cycles that exceed hundreds of thousands of impacts per shift. The material used in the 3128 0481 00 SHAFT ATLAS COPCO withstands this without micro-fracture initiation.

Advanced Surface Hardening

A multi-stage induction hardening process increases surface density, improving wear resistance while maintaining tough cores to prevent brittle failure. This allows:

• Extended operational lifetime

• Greater resistance to internal scoring

• Reduced need for maintenance

• Lower long-term operating cost

Each shaft is designed to survive abrasive dust, vibration, extreme heat and hammer-generated shockwaves.

Precision-Machined Dimensions

Accuracy is essential in Atlas Copco rock drills. Even a small deviation in roundness, concentricity or diameter tolerance can cause:

• Excessive vibration

• Misalignment of internal components

• Poor lubrication distribution

• Shortened lifespan of bearings and bushings

The 3128 0481 00 SHAFT ATLAS COPCO avoids these failures by following tight machining tolerances applied through CNC turning and grinding.

Optimized Lubrication Flow

The shaft features lubrication openings, internal bores or grooves (depending on the drill architecture) to ensure consistent lubrication distribution throughout the rotating system. Proper lubrication reduces:

• Heat buildup

• Metal-to-metal contact

• Surface scoring

• Seizure risks

In high-duty drilling, consistent lubrication flow is absolutely essential for performance and longevity.

Corrosion-Resistant Treatment

The shaft undergoes anti-corrosion finishing to protect against:

• Rock dust contamination

• Humidity

• Water ingress

• Chemical exposure

This ensures stable long-term performance even in underground humidity or wet drilling environments.

Functionality of the 3128 0481 00 SHAFT ATLAS COPCO

Because this shaft is positioned within the mechanical center of the drill’s rotation or percussion sub-assembly, it provides the following critical operational functions:

1. Torque Transmission

This is one of the shaft’s primary functions. Rotational torque is transferred from the drill’s rotation motor to the drill string. The shaft must:

• Withstand high torsional stress

• Maintain dimensional accuracy

• Prevent twisting or warping

When the shaft fails, drilling efficiency drops instantly, causing the entire hammer to stall.

2. Structural Support

Inside the drill housing, the shaft helps maintain structural alignment by keeping bushings, bearings and sleeves in their precise operational paths. Proper alignment prevents the drill from:

• Vibrating excessively

• Wearing down bushings prematurely

• Misfiring or overheating

The 3128 0481 00 SHAFT ATLAS COPCO is engineered to act as a stabilizing backbone for the surrounding mechanical components.

3. Axial Load Management

Percussion drilling subjects the assembly to heavy backward and forward impacts. The shaft must:

• Carry axial loads without bending

• Distribute load evenly across assemblies

• Protect weaker surrounding parts

Without a durable shaft, overload forces could damage multiple parts simultaneously.

4. Lubrication Control

Through internal channels, openings or alignment grooves, the shaft works as a controlled passage for lubrication. Maintaining internal lubrication is essential for:

• Cooling

• Minimizing friction

• Reducing metail-to-metal scoring

• Maximizing drill efficiency

Proper lubrication significantly extends the lifespan of every associated part.

Engineering Advantages of the 3128 0481 00 SHAFT ATLAS COPCO

High Vibration Resistance

Drilling machinery generates tremendous vibrations. Low-grade shafts lose concentricity or develop microcracks under such stress. This shaft resists:

• Fatigue fracture

• Vibrational distortion

• Misalignment

It preserves drill alignment even under intense shock cycles.

Uniform Heat Dissipation

The shaft’s material and surface finishing ensures controlled thermal behavior. When percussion heats the assembly, the shaft maintains structural stability, preventing thermal expansion issues.

Enhanced Compatibility with Support Components

Even though specific drill models are not listed here, the shaft is engineered to fit Atlas Copco’s precision-aligned housings, matching:

• Sleeve interfaces

• Bearing surfaces

• Coupling geometries

• Internal clearances

This guarantees smooth integration with the rest of the drill system.

Weight of the 3128 0481 00 SHAFT ATLAS COPCO

Approximate Weight: 2.50 – 3.00 KG
(The exact weight may vary slightly depending on drill configuration or series revision.)

Why Choose 3GEN Export for the 3128 0481 00 SHAFT ATLAS COPCO?

3GEN Export is recognized for delivering global OEM-grade heavy-machinery parts. When you order the 3128 0481 00 SHAFT ATLAS COPCO, you receive:

• OEM-grade manufacturing quality

• Perfect dimensional precision

• Immediate worldwide shipping

• Delivery within 5 working days

• A part fully aligned with Atlas Copco engineering standards

• A robust long-life replacement ensuring reduced downtime

Our focus is operational reliability for your drilling fleet.

Technical Specifications of the 3128 0481 00 SHAFT ATLAS COPCO

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.