3128209301 / 3128 3037 03 STOP WEDGE ATLAS COPCO (3128303703)

The 3128 3037 03 STOP WEDGE ATLAS COPCO (also searched as 3128303703 and written as 3128 3037 03) is a compact but high-impact wear-and-support component used on Atlas Copco underground drilling equipment. Even though it looks simple, this part is designed to take repeated mechanical loading, absorb shocks, reduce vibration, and protect surrounding assemblies from metal-to-metal contact during operation. In real drilling conditions—where the feed system cycles constantly and the machine sees continuous vibration—this “small” part becomes one of the quiet heroes that keeps alignment stable and reduces premature wear.

In many spare-part catalogues and workshops, the 3128 3037 03 STOP WEDGE ATLAS COPCO may also be referred to with alternative terms such as a stop block, buffer, dowel/stop, or rubber mounting depending on the machine layout and the local naming convention. The images you provided show a robust, puck-like component with a metal face plate and mounting holes—typical of a stop/buffer element intended to control movement, cushion impacts, and stabilize assemblies under load.

As 3GEN Export, we supply this part as an OEM supplier solution—built for dependable fit and performance—and we deliver worldwide in 5 working days, helping maintenance teams reduce downtime and keep drilling schedules on track.

What the 3128 3037 03 STOP WEDGE ATLAS COPCO Does in the Machine

The job of the 3128 3037 03 STOP WEDGE ATLAS COPCO is to manage energy and motion at the point where mechanical travel must be limited or controlled. On drilling rigs and feeds, parts move with force: booms swing, feeds extend and retract, and hydraulic systems apply constant pressure. Without a proper stop/buffer element, that energy transfers directly into metal structures, fasteners, brackets, and pins—creating fatigue cracks, loosened bolts, misalignment, and noisy operation.

The 3128 3037 03 STOP WEDGE ATLAS COPCO is commonly used to:

• Limit travel at a defined endpoint (a controlled “stop” position)

• Absorb impact loads when a moving assembly reaches its stop

• Reduce vibration transfer into the feed/boom structure

• Protect structural parts from repeated shock damage

• Improve consistency in positioning and reduce backlash in stop points

Because it absorbs force repeatedly, the 3128 3037 03 STOP WEDGE ATLAS COPCO is treated as a wear/maintenance item in many service plans—especially in high-cycle operations.

Identifying the Part Correctly (Search Variations That Matter)

To help your customers find the product through different search habits, it’s important to present the part number in multiple formats:

• 3128303703

• 3128 3037 03

• 3128 3037 03 STOP WEDGE ATLAS COPCO

• “Stop wedge Atlas Copco 3128 3037 03”

• “3128303703 stop wedge”

On your product page, keep the main keyword as 3128 3037 03 STOP WEDGE ATLAS COPCO, but include the alternate number format 3128303703 naturally in the first sections and in the specifications area. This improves indexing and helps the product surface in both Google and AI-driven search results.

Where This Part Is Used: Compatible Atlas Copco Models

Based on online spare-parts listings, the 3128 3037 03 STOP WEDGE ATLAS COPCO (3128303703) is associated with multiple Atlas Copco underground drilling machines and related feed systems. Commonly listed compatible equipment includes:

• Atlas Copco Boomer 281

• Atlas Copco Boomer 282

• Atlas Copco Boomer K111

• Atlas Copco Boomer S1D

• Atlas Copco Boomer T1D

• Atlas Copco Simba H1354

• Feed systems: BMH 2000 / BMHT 2000

Important note for accuracy: Atlas Copco equipment branding has evolved over time, and many parts are used across multiple configurations. Always confirm by the machine serial number, parts manual, or the position reference in the diagram before ordering—especially if the rig has been modified or upgraded.

Construction and Design: Why It Looks Like a “Rubber + Steel” Unit

The images show a part with a durable outer body and a rigid face plate with multiple mounting holes. This style is typical for an engineered stop/buffer component. The 3128 3037 03 STOP WEDGE ATLAS COPCO is designed to combine:

• Elastic damping (shock absorption) to soften impacts

• Dimensional stability so the stop point remains repeatable

• Secure mounting so it doesn’t shift under vibration or torque

• Resistance to harsh environments like dust, moisture, and oil mist

In drilling operations, the stop point is hit repeatedly. A properly manufactured 3128 3037 03 STOP WEDGE ATLAS COPCO should maintain its form, resist tearing or cracking, and keep its mounting integrity so it can do its job consistently.

Signs of Wear and When to Replace the 3128 3037 03 STOP WEDGE ATLAS COPCO

Because the 3128 3037 03 STOP WEDGE ATLAS COPCO absorbs force, it gradually degrades. Replacement timing depends on operating hours, rock hardness, vibration exposure, and how frequently the stop point is contacted. Typical signs it’s time to replace include:

1) Visible deformation or compression set

If the body looks “flattened,” permanently compressed, or no longer returns to shape, it’s not absorbing energy properly.

2) Cracks, splits, or delamination

Surface cracking, edge tearing, or separation between the elastic body and the face plate usually indicates the part is at end of life.

3) Increased vibration or noise

If operators report new banging, rattling, or harsh contact at the end of travel, the 3128 3037 03 STOP WEDGE ATLAS COPCO may have lost damping capability.

4) Misalignment at stop positions

If the boom/feed/stop point now feels inconsistent, the stop element may be compressed unevenly or worn out.

Proactive replacement of the 3128 3037 03 STOP WEDGE ATLAS COPCO often saves money by preventing secondary damage to brackets, fasteners, pins, and structural mounting surfaces.

Performance Benefits in Real Drilling Conditions

Using a correctly spec’d 3128 3037 03 STOP WEDGE ATLAS COPCO delivers measurable operational benefits:

Reduced structural fatigue

Every impact that gets absorbed by the stop element is energy not transferred into the frame or feed assembly.

Better machine “feel” and control

Operators notice smoother end-stops and less harsh rebound, which improves positioning.

Less loosening of nearby fasteners

Vibration and shock are common causes of bolt loosening. This part helps reduce that effect.

Longer life for adjacent components

A worn or missing stop element can cause repeated metal impacts, quickly damaging mounts, brackets, and pins.

Installation Guide for 3128 3037 03 STOP WEDGE ATLAS COPCO

Below is a practical, workshop-style installation approach. Exact steps can vary by rig layout, but the logic remains consistent.

Tools typically needed

• Torque wrench

• Correct socket/bit set for the mounting hardware

• Cleaning solvent and lint-free wipes

• Thread-locking compound (if specified by the service manual)

• Inspection light and straightedge

Step-by-step installation

Step 1: Secure the machine safely

Lock out hydraulics where required, secure moving assemblies, and follow site safety procedures.

Step 2: Remove the old stop element

Unbolt the existing stop/buffer unit and inspect the mounting surfaces for damage.

Step 3: Clean and inspect the mounting area

Remove dirt, oil residue, and debris. Check for:

• Ovalized holes

• Cracked brackets

• Bent mount plates

• Damaged threads

If the mount surface is not flat and stable, the new 3128 3037 03 STOP WEDGE ATLAS COPCO may wear prematurely.

Step 4: Test-fit the new part

Before final tightening, place the 3128 3037 03 STOP WEDGE ATLAS COPCO into position and confirm:

• Hole alignment

• Proper seating

• No interference with nearby components

Step 5: Torque hardware to specification

Tighten bolts evenly in a cross pattern if applicable. Uneven torque can twist the unit and cause early failure.

Step 6: Functional check

Cycle the mechanism slowly (where safe) to ensure the stop point engages smoothly and predictably.

Common Mistakes That Shorten Service Life

Avoid these issues to extend the working life of the 3128 3037 03 STOP WEDGE ATLAS COPCO:

• Over-torquing bolts and crushing the part body

• Installing onto dirty/uneven surfaces

• Reusing damaged fasteners or worn washers

• Ignoring bracket cracks or bent mount plates

• Running with a worn stop element until metal-to-metal impact occurs

A correct install is not only about bolting it on—it’s about ensuring the stop system is healthy as a whole.

Technical Notes and Practical Specifications (Field-Oriented)

Because different catalogs present this part under different naming conventions, the most reliable identifiers are the part numbers and the function. Here are safe, field-relevant specifications you can list on the product page without risking misleading dimensional claims:

Part numbers

• 3128303703

• 3128 3037 03

Product naming

• 3128 3037 03 STOP WEDGE ATLAS COPCO

• Also referenced in some listings as a stop/buffer/dowel style element

Typical application zone

• Boomer rigs and feed-related assemblies where travel needs a damped stop point

Mounting

• Multi-bolt mounting pattern (as visible in the images), designed for secure seating and repeatable alignment.

If you have a customer asking for exact dimensions (OD, height, hole spacing), the best practice is to request:

• Machine model + serial number

• Exploded diagram reference or location

• Measurements from the removed part

This eliminates mismatch risk.

Weight (KG)

For 3128 3037 03 STOP WEDGE ATLAS COPCO (3128303703), many public listings focus on compatibility rather than published net weight. I could not find a consistent manufacturer-published weight value in accessible online catalog pages during this lookup.

Based on the part’s compact rubber/steel stop-mount style shown in your images, a practical handling estimate is:

• Estimated weight: ~0.25–0.45 kg (typical range)

If you want, share a diameter and height measurement (or a photo next to a ruler), and I can tighten this estimate more confidently for your product page without guessing.

Why Buy from 3GEN Export

When downtime costs money, sourcing matters. With 3GEN Export:

• You get an OEM supplier solution built for fit, damping performance, and durability

• You receive fast, export-ready support for cross-border orders

• We deliver worldwide in 5 working days, helping you keep rigs productive

• You can bundle multiple Atlas Copco spare parts in one shipment to simplify logistics

If your customer provides the machine model and serial number, you can also support cross-checking to confirm the 3128 3037 03 STOP WEDGE ATLAS COPCO is the correct selection for their configuration.

Quick Buyer Checklist (Use This on the Product Page)

Before ordering the 3128 3037 03 STOP WEDGE ATLAS COPCO, confirm:

• Part number format matches: 3128303703 / 3128 3037 03

• Machine model matches compatibility list (Boomer/Simba/feed system)

• The mounting pattern matches the removed part

• The stop location and function match (damped end-stop / buffer point)

Compatible Models Summary (Copy-Ready)

The 3128 3037 03 STOP WEDGE ATLAS COPCO (3128303703) is listed for equipment including:

• Boomer 281

• Boomer 282

• Boomer K111

• Boomer S1D

• Boomer T1D

• Simba H1354

• Feed BMH 2000 / BMHT 2000

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.