Details
Detailed Description
EPIROC - BOLTEC 235H
Ref No. Part No. Description
1 3128306181 HOLDER
2 3128306180 HOLDER
4 0147148303 SCREW. HEX HEAD
8 0147147803 SCREW. HEX HEAD
10 3128301559 CYLIND.BRACKET
11 3128227301 LOCK WASHER
12 3128231289 SHAFT
13 0147132303 SCREW. HEX HEAD
14 0147140103 SCREW. HEX HEAD
3128306180 EPIROC BOLTEC 235H rock drill rigs parts 3128 3061 80 holder sets Atlas Copco hammer
3128 3061 80 HOLDER ATLAS COPCO
Introduction to the 3128306180 HOLDER ATLAS COPCO
The 3128306180 HOLDER ATLAS COPCO (also written as 3128 3061 80 HOLDER ATLAS COPCO) is one of the most essential structural components in a rock drill assembly. It is designed to secure lining elements, ensure the correct alignment of wear parts, stabilize the drilling head, and maintain the overall precision required for high-performance drilling operations. In Atlas Copco hydraulic drifter systems, even the smallest deviations in positioning can create vibration, reduce penetration efficiency, and accelerate wear on expensive internal components. That is why this holder exists , to maintain stability, balance, and accuracy.
This holder is engineered to support extreme operating loads, abrasive dust environments, high-impact drilling shocks, and continuous long-cycle operation. Built with durable reinforced alloy combined with a precision-fitted rubber element, the 3128306180 HOLDER ATLAS COPCO plays a vital role in extending the lifespan of liners, stabilizers, wear pads, and internal sliding components.
As with every Atlas Copco rock drill spare part, this component demands exceptional dimensional accuracy. Misalignment by even tenths of a millimeter can lead to premature wear of the guide system. Therefore, operators, service technicians, fleet managers, and maintenance planners depend on high-grade replacement holders that preserve the mechanical integrity of the rock drill.
we supply the 3128306180 HOLDER ATLAS COPCO as an OEM-quality component, manufactured in compliance with international machining, heat-treatment, and hardness standards. We ship worldwide in just 5 working days, ensuring operational continuity for mining, tunneling, construction, quarrying, and long-hole drilling projects.
What the 3128306180 HOLDER ATLAS COPCO Does
The main purpose of the 3128306180 HOLDER ATLAS COPCO is to maintain proper positioning of the sliding pieces and protective pads inside the rock drill. These internal wear components must remain perfectly aligned for the drifter to achieve:
Accurate percussion
Stable torque transfer
Consistent rod alignment
Reduced vibration
Lower friction
Longer wear part lifecycle
Minimized rod deviation
In modern hydraulic drifters, where impact energy and rotation speeds are high, maintaining form stability is essential. This holder prevents lateral shifting and ensures secure seating, even under extreme hydraulic pressure changes.
In addition to stability, the holder absorbs part of the shock transmitted during hammering cycles. Its combination of lightweight aluminum structural body and high-strength rubber inserts allows it to absorb vibration without deforming permanently. This is critical for extending the operational life of mating surfaces.
The engineering behind this part is deliberate: it must be lightweight enough not to add stress to the assembly, but strong enough to resist warping during intense drilling.
Technical Features of the 3128306180 HOLDER ATLAS COPCO
Precision Machined Alloy Body
The body is machined from a high-strength industrial-grade aluminum alloy. This alloy is chosen for:
High impact resistance
Lightweight engineering
Anti-corrosion performance
Structural stability
Heat dissipation efficiency
The smooth finish and CNC-machined geometry ensure perfect fitment, preventing vibration, rattling, or misalignment.
High-Durability Rubber Interface
One side of the 3128 3061 80 HOLDER ATLAS COPCO incorporates a reinforced rubber pad. This rubber layer allows the holder to maintain frictional grip, absorb shock, and reduce wear on adjacent components. It is chemically resistant to:
Drilling dust
Hydraulic oil mist
Water spray
Grease compounds
Abrasive particles
The rubber is bonded through industrial-grade vulcanization, meaning it will not detach or degrade prematurely.
Optimized Weight Distribution
The unique design of the 3128306180 HOLDER ensures:
Even load transfer
Minimum flexing
Low vibration resonance
Structural reinforcement where it matters
These features collectively improve drifter performance and reduce maintenance frequency.
Industrial Surface Treatment
To protect the aluminum alloy body, the part undergoes post-machining surface treatment that enhances corrosion resistance, reduces oxidation, and ensures a longer operational life. This is especially important in mining environments where moisture and acidity levels fluctuate.
Material Composition
Primary Body: CNC-machined aluminum alloy
Interface Layer: Industrial reinforced vulcanized rubber
Anchoring Points: Hardened steel retaining pins
Finish: Anti-corrosive treatment and machining seal
This combination provides the perfect ratio of flexibility, strength, and vibration absorption.
Performance Benefits of the 3128306180 HOLDER ATLAS COPCO
1. Improved Drilling Stability
The holder ensures sliding pieces remain in their correct positions, keeping the rod aligned and the drifter stable throughout operation.
2. Reduced Wear on Expensive Components
Misalignment can cause exponential wear. The holder minimizes:
Guide bushing wear
Sliding plate friction
Drift rod deflection
Seal damage
Vibration-induced cracking
3. Higher Drilling Efficiency
Better alignment means:
Faster penetration
More accurate drilling
Lower fuel consumption
Fewer interruptions for maintenance
4. Lower Vibration & Operator Fatigue
The combined aluminum-rubber structure absorbs vibration, improving machine behavior and operator comfort.
5. Extended Rock Drill Lifespan
Every component supported by the holder experiences less stress, reducing failure rates across the entire drifter assembly.
Compatible ATLAS COPCO Models
The 3128306180 HOLDER ATLAS COPCO is used in various hydraulic drifters and rock drill systems, including (but not limited to):
COP 1838
COP 1838HD
COP 1838ME
COP 1838HE
COP 1838 series variants
Additional tunnel and jumbo drill systems utilizing the 1838 drifter platform
Weight of the 3128306180 HOLDER ATLAS COPCO
Estimated Weight: 3.80 KG ± 5%
(If you want the exact weight, we can verify using factory documentation.)
Installation Guidelines
Pre-Installation Checks
Clean the internal drifter housing
Inspect all sliding pieces
Verify rubber pad alignment
Ensure no deformation in the housing
Installation Steps
Position the 3128306180 HOLDER into its mounting slot.
Ensure the rubber side rests firmly against the sliding element.
Insert retaining pins or locking elements.
Tighten according to torque specifications.
Manually rotate the rod to ensure free movement.
Installation should be completed by qualified maintenance technicians familiar with Atlas Copco hydraulic drifters.
Maintenance Recommendations
Clean during every service interval
Inspect rubber integrity
Replace if cracks, warping, or detachment is visible
Always replace in pairs to maintain symmetry
Avoid contact with acidic cleaning solutions
Proper maintenance greatly extends the lifespan of other internal wear parts.
