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40 Coated Wheel Disc

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Lightweight PCB and FPC panels need grip without harsh contact. The 40 Coated Wheel Disc uses an elastic rubber/PU outer layer to quiet conveyor vibration, prevent slip, and protect board surfaces during fast transfer and crossover movement.

Core Advantages: Elastic rubber/PU coating, high-strength core, shock damping, strong traction, and low-noise conveyance.

Selection Recommendations: Choose the suitable Shore hardness, coating thickness, material formula, and shaft fit based on board weight, conveyor torque, and chemical exposure.

Applications: PCB, FPC, and LCD conveyor chains, flippers, positioning systems, crossover stations, plating lines, rinsing stations, and chemical cleaning equipment.

Stable Operation Guarantee: Helps reduce board chatter, micro-scratches, drive vibration, bearing wear, and frequent tension adjustment in high-speed conveyor systems.

Product Details

1. Problem-Solution Intro

Silence the Vibration and Secure the Grip.
Conveying lightweight or thin-core PCBs requires a delicate balance between traction and surface protection. Standard rigid rollers often cause board slippage, noise, and micro-scratches during high-speed transitions. The 40 Coated Wheel Disc solves this by combining a high-strength core with an elastic, high-traction outer layer. This design absorbs mechanical energy, effectively dampening line vibration while providing the necessary friction to prevent misalignment. For equipment maintenance supervisors, this is the solution to erratic board movement and high-frequency noise profiles in critical transport and crossover zones.

2. The “Why This Material” Section

Engineered for Elasticity and Grip

  • Shock Dampening: The elastomer coating acts as a mechanical buffer, preventing the transmission of gear vibration to the board surface.
  • Superior Traction: Engineered surface friction ensures zero slippage, keeping the board in perfect registration even during rapid acceleration or deceleration.
  • Acoustic Management: High-density rubber materials effectively neutralize noise resonance generated by conveyor chains and drive mechanisms.

3. Customization Capability

Designed for Specific Load Profiles

  • Hardness Calibration: Variable Shore hardness options available to match the weight of the board and the specific torque of the conveyor drive.
  • Layer Thickness: Customized coating thickness to fine-tune the clamping force and contact area of the wheel disc.
  • Chemical Compatibility: Specialized rubber formulations (EPDM, NBR, or PU) tailored for chemical resistance against process-specific developer or etchant chemistry.

4. Main Application Industries

These coated wheel discs are engineered for the demanding environments of PCB, FPC, and LCD wet-processing machinery. They excel in high-speed conveyor chain assemblies, flipping mechanisms, and automated positioning systems where both precision and vibration control are required. In wet processes such as plating lines, rinsing stations, and chemical cleaning, these wheels maintain consistent grip on wet substrates without risking damage. They are fundamental in mitigating the vibration that leads to conveyor belt wear and mechanical fatigue, ensuring that the entire line operates with minimized noise and maximized transit accuracy.

5. Main Application Scenarios

In high-throughput PCB conveyor systems, the 40 Coated Wheel Disc is the critical link between the drive train and the panel. By providing a soft, consistent contact patch, these discs eliminate the “chatter” often associated with hard plastic wheels. The result is a dramatic increase in board positioning accuracy, which is vital for maintaining the registration required in high-density interconnect (HDI) PCB production. Maintenance teams benefit from a significantly reduced need to tension drive systems, as the inherent grip of the coating maintains stability even with variable panel loads.

Beyond stability, these discs perform exceptionally well in automated flip and crossover stations. The elastic coating manages the physical impact during mechanical transitions, protecting fragile FPC edges from bruising or cracking. In terms of ROI, the use of coated discs reduces the vibration-induced wear on bearing assemblies and shaft interfaces. This leads to a longer mean time between failures (MTBF) for the entire conveyor assembly, directly impacting the bottom line for both the manufacturer and the end-user equipment operator.

6. Technical Specification Table

Parameter Industrial Specification
Model Number 40 Coated Wheel Disc
Material High-strength core, Rubber/PU outer
Function Anti-slip, Shock-absorbent, Quiet
Point of Use Conveyor chains, Flippers, Positioners

Product Video

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