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2310035434
Epiroc
2310035434
Hello, Mine Owners and Maintenance Chiefs! I am the supplier who specializes in solving problems like "track drifting," "chain throwing," "track chewing," and "screeching noise while walking." Today, I’m recommending a "bulky component that decides if your equipment can walk or not"—the Heavy-Duty Cast Steel Idler Assembly with Bracket for Construction Machinery.
Anyone in mining or construction knows the undercarriage is the toughest part of the machine. The ground is full of rocks, slag, and sharp edges—tires can't handle it; only these steel tracks can. The idler is the "guide" for this chain. Many cheap idlers on the market look like wheels but are made of ordinary cast iron or welded plate. Under the impact of large rocks or steep slopes, the rim cracks or the shaft snaps, causing immediate track derailment and stranding the machine halfway up a mountain. Our idler assembly is specifically engineered for excavators and drill rigs that work brutally hard. It doesn't just rotate; it withstands crushing blows, resists wear, and guides the track true. Choose us to equip your equipment with a "sea-fixing needle," allowing it to walk steadily on mud, gravel, and cliffs without throwing a chain!
High-Strength Cast Steel Body: Hard and Unbreakable:
The idler is the component that clashes directly with the ground.
Material: The wheel body and bracket are made of high-strength cast steel. This isn't ordinary cast iron; it offers excellent toughness and high tensile strength. No matter how much you crush it with boulders or rub it on hard rock, it will only lose paint—never cracking the rim or snapping the bracket.
Process: Integrally cast for structural stability. The bracket and wheel body are one unit (or rigidly connected with high-strength bolts), distributing stress evenly without welded weak points.
Spray-Paint Finish: Ignores Wind, Rain, and Mud:
The undercarriage lives in mud and chemical baths.
Surface: Finished with spray-paint treatment. This coating has extreme adhesion, resisting wear and impacts. In mine pits full of acidic mud and emulsions, it won't rust for years. It keeps the internal lubrication cavity protected, ensuring zero leaks.
Precise Guidance, Strong Tensioning: No Derailment:
Throwing a track is a nightmare.
Rim: The rim is precision-machined with a perfect arc that fits the track links exactly. Guidance is accurate, preventing the track from binding or twisting.
Tensioning: Working with the tensioning cylinder, it effectively absorbs impact loads during travel. When crossing pits or climbing steps, the impact force is dissipated, protecting the main frame and travel motor. It prevents premature wear and breakage caused by loose or overly tight tracks.
Internal Precision: Smooth Rotation:
Bushing: Internally equipped with high-wear-resistant bushings and premium lubricating oil. Rotation is smooth, with minimal resistance and no overheating.
Sealing: Dual oil seal design locks in grease and locks out mud and water. Ensures internal cleanliness and zero dry running.
Parameter | Specification |
|---|---|
Product Name | Idler Assembly with Bracket / Tensioner Pulley |
Core Material | High-Strength Cast Steel |
Surface Treatment | Spray-Paint (Anti-Corrosion) |
Key Properties | High Wear Resistance, Impact Resistant, Precise Guidance, Anti-Derailment |
Compatible Models | Excavators, Drill Rigs, Dozers, Crawler Cranes |
Mining: Walking on the pit floor full of sharp ore, enduring high-intensity crushing and impact.
Earthmoving: Operating on hard rock foundations, where the idler must resist strong lateral forces.
Tunneling: Maintaining track tension on muddy tunnel floors to prevent slippage.
Equipment Refurbishment: Major undercarriage overhauls for older equipment to improve walking stability.
Full Range, Ready to Ship: Regardless of your excavator or drill rig size, we have the corresponding ready-made idler assembly. Just provide your equipment model or track pitch, and we ship immediately.
Hard Enough, No Derailment: We guarantee our idler rims are hard and accurately shaped. After installation, the track walks straight without drifting. If it still throws a chain, return it!
Value for Money: We don't sell the cheapest, because they are likely sheet metal welded and unreliable. We sell the most durable. Do the math: using our idler means no fractures for a year, saving you towing and downtime costs that far exceed the price.
A Quick Tip for the Mechanics:
Brothers, replacing an idler is physically demanding and technical work.
Release Tension. Before disassembling, use a wrench to release all the grease from the tensioning cylinder. Otherwise, the spring force can crush your fingers.
Inspect Surroundings. While replacing the idler, take the chance to check if the carrier rollers and bottom rollers are leaking oil. Since you're already torn down, replace them together to avoid stranding again later.
Align the Pin. During installation, ensure the pin holes on the bracket align perfectly with the main frame holes. Don't force it or pound recklessly; align it gently, and it will tap right in.
Adjust Tension. After installation, grease the cylinder to adjust to the proper sag (usually 3-5 cm). Too tight wastes fuel and wears the chain; too loose throws the chain. Work safely and go home in one piece!
