Confirm Core Conveyor Parameters
- Match the chain pitch to the conveyor’s sprocket: The 820 series has a fixed 38.1 mm pitch, so ensure the conveyor’s sprockets are designed for this pitch to avoid jamming.
- Check the conveyor length and speed: The 820 chain’s maximum conveying distance is typically 12 meters; for longer distances, verify the manufacturer’s load-bearing limits. Speed should not exceed 90 m/min (lubricated) or 60 m/min (dry) to prevent excessive wear.
Choose Based on Load Requirements
- Calculate the total conveying load: Include the weight of the conveyed items, the chain’s own weight, and any friction resistance. The 820 chain’s standard working load is 2250N; select reinforced versions if the load exceeds this limit.
- Consider dynamic loads: If the conveyor starts/stops frequently or handles heavy impacts, opt for chains with thicker slats or high-strength pin materials (e.g., 304 stainless steel).
Select Slat Material and Width
- Slat material:
- POM (polyoxymethylene) is suitable for general scenarios (-40°C to 90°C, low friction).
- NGE or PP is better for chemical-resistant needs (e.g., conveying corrosive materials like cleaning agents).
- FDA-certified materials are mandatory for food/beverage applications to meet hygiene standards.
- Slat width: Match the width of the conveyed items (e.g., 63.5 mm for small bottles, 152.4 mm for large containers). Common widths include 63.5 mm (K250), 82.6 mm (K325), 101.6 mm (K400), and 152.4 mm (K600).
Adapt to Working Environment
- Temperature: Avoid using standard POM chains above 90°C; choose high-temperature resistant materials (e.g., PE) for high-heat environments.
- Hygiene needs: For food/pharmaceutical industries, select chains with smooth, crevice-free slats to prevent dirt buildup and ease cleaning.
- Corrosion factors: In wet or chemical-exposed environments (e.g., washdown areas), use stainless steel pins or fully plastic chains to resist rust.
Verify Installation and Compatibility
- Ensure the chain’s connection method (e.g., snap links, pin connections) matches the conveyor’s assembly requirements.
- Check compatibility with accessories: Confirm the chain works with the conveyor’s guides, tensioners, and sprockets to avoid operational issues.
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