Parallel Idler Product Introduction

I. Parallel Idler

As an indispensable "support backbone" of belt conveyors, parallel idlers directly address the core pain points of traditional idlers under harsh conditions such as long distances, heavy loads, and corrosive environments. These pain points include easy wear, jamming, and corrosion, leading to system misalignment, low efficiency, and frequent maintenance. Through triple technological optimization of "stable support, wear-resistant and corrosion-resistant, and low-resistance and energy-saving," parallel idlers provide a stable, durable, and economical core support solution for conveying systems.

II. Four Core Advantages

Ultimate Stability and No Misalignment: The concentricity error between the roller body and the spindle is ≤0.3mm. High-precision bearing components ensure smooth rotation, suitable for long-distance conveying of over 100 meters, effectively preventing belt misalignment and material spillage.

Wear-resistant, corrosion-resistant, and long-lasting: Available in various materials including natural rubber (50% improved wear resistance), polyurethane/nitrile rubber (resistant to acids, alkalis, and oils, pH 2-12), and cast rubber (anti-derivative); hot-dip galvanized mandrel (GB/T13912 Grade A), overall lifespan exceeding 80,000 hours.

Low resistance, energy saving, and cost reduction: Rotational resistance is reduced by 40% compared to national standards; optimized roller surface process reduces friction, lowering drive power requirements by 30%-40%; annual maintenance costs are reduced by over 50%.

Easy installation and maintenance: Adopts a standardized design with detachable bearing seats, allowing for installation or disassembly by a single person. Compatible with general conveyors, especially suitable for production line maintenance without shutdown.

III. Product Specifications

IV. Usage Scenarios

Imagine a 100-meter main tunnel in a mine: the conveyor belt, fully loaded with heavy ore, groanes in the darkness. Traditional idlers, under the combined effects of dust and moisture, begin to malfunction and become uneven, causing the heavy conveyor belt to slowly drift to one side, as if drunk. Ore begins to slip from the edges, crashing to the ground with a loud thud, forcing workers to frequently stop the machine and painstakingly adjust and replace the rusted and jammed idlers in narrow, dangerous tunnels.

Now, switch to a conveyor line fully equipped with optimized parallel idlers. From the initial installation stage, you and your team will appreciate its user-friendly design—standardized interfaces and removable bearing housings allow for easy single-person installation of rows. When the conveyor starts, you'll find it runs exceptionally smoothly and quietly. Each set of idlers maintains a high concentricity of ≤0.3mm with the spindle, and with carefully selected bearings, provides absolutely uniform support. When the belt is under load, the optimized spacing effectively controls sag, keeping the material steadily centered. Passing through chemical industrial zones, nitrile rubber rollers remain intact amidst acidic and alkaline fumes; at port terminals, hot-dip galvanized mandrels defy salt spray corrosion. The most direct impact is: electricity bills have decreased (power demand reduced by 30%-40%), maintenance personnel are less frequently seen near the conveyor line (annual maintenance costs reduced by over 50%), and this "backbone" itself is promised to operate continuously for over 80,000 hours. The workshop director, during daily inspections, sees a continuous, stable, and spill-free conveyor line.

V. Social Proof

Precisely Identifying Industry Pain Points: The product's core positioning as a "key component of belt conveyors" is clearly stated from the outset, focusing on solving the pain points of traditional idlers: "easy wear, easy jamming, and short lifespan," resulting in a clear value proposition.

Quantifiable and Verifiable Core Performance Data:

Precision and Lifespan: Concentricity error ≤0.3mm; Overall service life exceeding 80,000 hours.

Energy Saving and Consumption Reduction: Rotational resistance is reduced by 40% compared to national standards; drive power requirements are reduced by 30%-40%; annual maintenance costs are reduced by over 50%.

Abrasion Resistance: The abrasion resistance of the natural rubber roller body is 50% higher than that of ordinary idler rollers.

Authoritative Standards and Rigorous Testing:

Rust Prevention Standard: The mandrel's hot-dip galvanizing treatment meets GB/T13912-2002 Hot-Dip Galvanizing Grade A.

Sealing Test: The double-sealed structure passed 100,000 rotation tests without leakage, verifying its protective reliability.

Process Control: The vulcanization temperature is precisely controlled at 150℃±3℃, and the surface roughness Ra≤1.6μm, demonstrating the rigor of manufacturing.

Comprehensive Material Compatibility and Industry Coverage: Offers a complete material matrix from natural rubber, polyurethane, and nitrile rubber to cast rubber, addressing diverse needs such as wear resistance, acid and alkali resistance, and anti-delamination. Application scenarios clearly cover four core industries: mining, ports, building materials and chemicals, and food processing, demonstrating its broad adaptability and successful experience.

VI. Comparative Advantages

Operating Stability and Anti-deviation Capability

Optimized Parallel Idler Rollers: Through extreme concentricity control of ≤0.3mm and optimized spacing, they provide uniform and stable support, effectively preventing belt deviation and material spillage during long-distance conveying (over 100 meters), providing active stabilizing support.

Ordinary or Low-Precision Idler Rollers: Large concentricity tolerances easily lead to radial runout and vibration during operation, a major cause of conveyor belt instability and accelerated deviation, especially requiring frequent corrections during long-distance conveying.

Wear Resistance, Corrosion Resistance, and Environmental Adaptability

This optimized parallel idler roller offers a systematic material solution: wear-resistant cast rubber for heavy-duty mining, acid and alkali resistant rubber and plastic for chemical corrosion, and rust-proof hot-dip galvanized mandrel for humid port environments. The hot-dip galvanized Class A treatment of the mandrel systematically solves the corrosion problem, resulting in an overall lifespan exceeding 80,000 hours.

Idler rollers made of a single material or with insufficient rust prevention have significant shortcomings under complex operating conditions: insufficient wear resistance in mining, susceptibility to corrosion in chemical environments, rapid rusting in humid port environments, short overall lifespan, and frequent replacement.

Comprehensive Operating Costs and Energy Saving Contribution

This optimized parallel idler roller achieves direct energy savings through low-friction bearings (reducing rotational resistance by 40%) and optimized roller surface to reduce energy consumption (reducing drive power by 30%-40%). Simultaneously, the long lifespan (over 80,000 hours) and low-maintenance design (reducing annual maintenance costs by over 50%) result in extremely low overall operating costs.

Traditional high-resistance, short-life idlers: High operating resistance directly leads to high energy consumption; short lifespan requires frequent replacement; poor sealing results in a large maintenance workload. Their total life-cycle cost (electricity + spare parts + labor maintenance) often far exceeds the initial purchase cost.

VII. FAQ

Q: In which part of a conveyor are parallel idlers mainly used?

A: Parallel idlers are standard support components in the carrying section (upper branch) and return section (lower branch) of belt conveyors. They are mainly used to support the conveyor belt and the materials on (or below) it, ensuring smooth operation of the conveyor belt. They are a fundamental core component forming the conveyor's framework.

Q: What specific advantages do your idlers have in terms of wear resistance/corrosion resistance? A: We offer differentiated material solutions: 1. Extreme Wear Resistance: Using natural rubber (Shore hardness 75°-80°), wear resistance is 50% higher than ordinary idler rollers; or cast rubber roller bodies, preventing delamination and suitable for heavy impacts. 2. Excellent Corrosion Resistance: For chemical and metallurgical applications, we offer polyurethane or nitrile rubber roller bodies, which can operate stably in corrosive environments with pH values ​​of 2-12. 3. Rust Prevention: All spindles are made of 45# steel hot-dip galvanized, with a rust prevention level meeting national standard A.

Q: It claims to reduce energy consumption, how exactly is this achieved? What are the results?

A: Energy saving is achieved through two core designs: 1. Reduced Rotational Resistance: Using low-friction bearings and special lubricating grease, the rotational resistance of a single idler roller is reduced by 40% compared to the national standard. 2. Optimized Surface Friction: Optimizing the roller surface process reduces sliding friction with the conveyor belt. The actual overall effect can reduce the power requirement of the conveyor drive motor by 30%-40%, directly saving electricity costs.

Q: Is installation and maintenance convenient?

A: Very convenient. 1. Installation: Adopting a standardized design with detachable bearing housings, it matches universal conveyor interfaces, requiring no equipment modification and can be completed by a single person using simple tools. 2. Maintenance: Thanks to the double sealing of "skeleton oil seal + labyrinth groove" (IP65 protection, leak-free after 100,000 rotations) and long-life design, daily maintenance workload is greatly reduced, and annual operation and maintenance costs can be reduced by more than 50%.